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Hitachi ZAXIS 250LC-7 Operator's Manual
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Hitachi ZAXIS 250LC-7 Operator's Manual

Hitachi ZAXIS 250LC-7 Operator's Manual

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URL:http://www.hcme.com
PRINTED IN THE NETHERLANDS 2020, 04
PART NO.
ENMDFY-ENSL1-1
Operator's Manual
250LC(N)-7
Type HE15LD
Type HE18LD
300LC(N)-7
Type HE15LD
Type HE18LD
350LC(N)-7
Type HE15LD
Type HE18LD
Type HE20LD
Type HE22
Super Long Front
Serial No.
ZX250-7 Class
70001 and up
ZX300-7 Class
80001 and up
ZX350-7 Class
90001 and up

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Summary of Contents for Hitachi ZAXIS 250LC-7

  • Page 1 PART NO. ENMDFY-ENSL1-1 Operator's Manual 250LC(N)-7 Type HE15LD Type HE18LD 300LC(N)-7 Type HE15LD Type HE18LD 350LC(N)-7 Type HE15LD Type HE18LD Type HE20LD Type HE22 URL:http://www.hcme.com Super Long Front Serial No. ZX250-7 Class 70001 and up ZX300-7 Class 80001 and up ZX350-7 Class 90001 and up PRINTED IN THE NETHERLANDS 2020, 04...
  • Page 2  In addition, when you are replacing consumable parts, refer to the list of consumable parts before ordering them. Also, always use Hitachi genuine parts. Using other than genuine parts will lead to serious accidents and/or system failure.  If you have any questions regarding the machine, provide the Model/type (model name) and the PIN (Product Identification Number) of your machine.
  • Page 3 IndeX Intended use sAFetY COMPOnents nAMe OPeRAtInG tHe MACHIne DISASSEMBLING • ASSEMBLING tRAnsPORtAtIOn MAIntenAnCe tROuBLesHOOtInG sPeCIFICAtIOns CAPACItIes IndeX ENMDFY-ENSL1-1...

  • Page 5: Table Of Contents

    CONTENTS INTENDED USE ..............1 Specifications ..................8-6 ZX300LC-7, 300LCN-7 ...............8-6 Intended Use ..................1 Working Ranges ZX300LC(N)-7 Super Long Front SAFETY ................S-1 Attachment (Type HE15LD) ...........8-7 Drive Machine Safely ..............S-1 Working Ranges ZX300LC(N)-7 Super Long Front Transport Safely ................S-2 Attachment (Type HE18LD) ...........8-8 Avoid Rapid Machine Operation..........S-3 Shoe Types and Applications ............8-9 Avoid Work Other than Specified ..........S-3...
  • Page 6 CONTENTS MEMO ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................

  • Page 7: Intended Use

    INTENDED USE Intended Use This machine is designed and intended to be used light to moderate excavating and slope finishing with bucket. Risk assessment related to the specific application and working conditions of the machine may require additional safety measures such as protective guards, safety glazing, filtration of cabin air, etc. to be installed, enabling the machine to be operated safely under the specific conditions.
  • Page 8 INTENDED USE MEMO ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................

  • Page 9: Safety

    SAFETY Drive Machine Safely Expand the arm from vertical position on the face of a slope  Before driving the machine, always confirm that the travel levers/pedals direction corresponds to the direction you wish to drive.  Be sure to detour around any obstructions. ...

  • Page 10: Transport Safely

    SAFETY Transport Safely  Take care the machine may turn over when loading or unloading the machine onto or off of a truck or trailer.  Observe the related regulations and rules for safe transportation.  Select an appropriate truck or trailer for the machine to 15 °...

  • Page 11: Avoid Rapid Machine Operation

    SAFETY Avoid Rapid Machine Operation Quick operation may cause the machine to tip over. Especially never attempt to do quick travel or boom lowering operation. SA-2344 Avoid Work Other than Specified This machine increases in weight of the counterweight and has dedicated hydraulic system to operate the super long front attachment.
  • Page 12 SAFETY SS-2285 SS3088571  Take extra care when removing the stay pin. If the pin of stay is removed, the stay will suddenly drop, your fingers may be pinched by the stay.  Sign indicates a hazard of being hit by the working device of the machine.
  • Page 13 SAFETY Visibility Map for Machine Model ZX250LC-7, ZX250LCN-7 with HE15LD Super Long Front Personal Hazard This machine complies with the essential health and safety requirements for visibility set out by Machinery Directive 2006/42/EC. The map shows the residual maskings (blind spots) observed by a seated operator (wearing the recommended seat restraint) in the cab using direct vision and the standard visual aids supplied with the machine.
  • Page 14 SAFETY Camera Camera visibility visibility Monitor display Surrounding Image + Image to Rear Camera visibility Mirror Mirror visibility visibility Visibility Map "Surrounding Image + Image to Rear" ENMDFY-ENSL1-VM-023 Camera visibility Monitor display Surrounding Image + Image to Right Side + Image to Rear Camera visibility Mirror Mirror...
  • Page 15 SAFETY Visibility Map for Machine Model ZX250LC-7, ZX250LCN-7 with HE18LD Super Long Front Personal Hazard This machine complies with the essential health and safety requirements for visibility set out by Machinery Directive 2006/42/EC. The map shows the residual maskings (blind spots) observed by a seated operator (wearing the recommended seat restraint) in the cab using direct vision and the standard visual aids supplied with the machine.
  • Page 16 SAFETY Camera Camera visibility visibility Monitor display Surrounding Image + Image to Rear Camera visibility Mirror Mirror visibility visibility Visibility Map "Surrounding Image + Image to Rear" ENMDFY-ENSL1-VM-008 Camera visibility Monitor display Surrounding Image + Image to Right Side + Image to Rear Camera visibility Mirror Mirror...
  • Page 17 SAFETY Visibility Map for Machine Model ZX300LC-7, ZX300LCN-7 with HE15LD Super Long Front Personal Hazard This machine complies with the essential health and safety requirements for visibility set out by Machinery Directive 2006/42/EC. The map shows the residual maskings (blind spots) observed by a seated operator (wearing the recommended seat restraint) in the cab using direct vision and the standard visual aids supplied with the machine.
  • Page 18 SAFETY Camera Camera visibility visibility Monitor display Surrounding Image + Image to Rear Camera visibility Mirror Mirror visibility visibility Visibility Map "Surrounding Image + Image to Rear" ENMDFY-ENSL1-VM-002 Camera visibility Monitor display Surrounding Image + Image to Right Side + Image to Rear Camera visibility Mirror Mirror...
  • Page 19 SAFETY Visibility Map for Machine Model ZX300LC-7, ZX300LCN-7 with HE18LD Super Long Front Personal Hazard This machine complies with the essential health and safety requirements for visibility set out by Machinery Directive 2006/42/EC. The map shows the residual maskings (blind spots) observed by a seated operator (wearing the recommended seat restraint) in the cab using direct vision and the standard visual aids supplied with the machine.
  • Page 20 SAFETY Camera Camera visibility visibility Monitor display Surrounding Image + Image to Rear Camera visibility Mirror Mirror visibility visibility Visibility Map "Surrounding Image + Image to Rear" ENMDFY-ENSL1-VM-005 Camera visibility Monitor display Surrounding Image + Image to Right Side + Image to Rear Camera visibility Mirror Mirror...
  • Page 21 SAFETY Visibility Map for Machine Model ZX350LC-7, ZX350LCN-7 with HE15LD Super Long Front Personal Hazard This machine complies with the essential health and safety requirements for visibility set out by Machinery Directive 2006/42/EC. The map shows the residual maskings (blind spots) observed by a seated operator (wearing the recommended seat restraint) in the cab using direct vision and the standard visual aids supplied with the machine.
  • Page 22 SAFETY Camera Camera visibility visibility Monitor display Surrounding Image + Image to Rear Camera visibility Mirror Mirror visibility visibility Visibility Map "Surrounding Image + Image to Rear" ENMDFY-ENSL1-VM-020 Camera visibility Monitor display Surrounding Image + Image to Right Side + Image to Rear Camera visibility Mirror Mirror...
  • Page 23 SAFETY Visibility Map for Machine Model ZX350LC-7, ZX350LCN-7 with HE18LD Super Long Front Personal Hazard This machine complies with the essential health and safety requirements for visibility set out by Machinery Directive 2006/42/EC. The map shows the residual maskings (blind spots) observed by a seated operator (wearing the recommended seat restraint) in the cab using direct vision and the standard visual aids supplied with the machine.
  • Page 24 SAFETY Camera Camera visibility visibility Monitor display Surrounding Image + Image to Rear Camera visibility Mirror Mirror visibility visibility Visibility Map "Surrounding Image + Image to Rear" ENMDFY-ENSL1-VM-011 Camera visibility Monitor display Surrounding Image + Image to Right Side + Image to Rear Camera visibility Mirror Mirror...
  • Page 25 SAFETY Visibility Map for Machine Model ZX350LC-7, ZX350LCN-7 with HE20LD Super Long Front Personal Hazard This machine complies with the essential health and safety requirements for visibility set out by Machinery Directive 2006/42/EC. The map shows the residual maskings (blind spots) observed by a seated operator (wearing the recommended seat restraint) in the cab using direct vision and the standard visual aids supplied with the machine.
  • Page 26 SAFETY Camera Camera visibility visibility Monitor display Surrounding Image + Image to Rear Camera visibility Mirror Mirror visibility visibility Visibility Map "Surrounding Image + Image to Rear" ENMDFY-ENSL1-VM-014 Camera visibility Monitor display Surrounding Image + Image to Right Side + Image to Rear Camera visibility Mirror Mirror...
  • Page 27 SAFETY Visibility Map for Machine Model ZX350LC-7, ZX350LCN-7 with HE22 Super Long Front Personal Hazard This machine complies with the essential health and safety requirements for visibility set out by Machinery Directive 2006/42/EC. The map shows the residual maskings (blind spots) observed by a seated operator (wearing the recommended seat restraint) in the cab using direct vision and the standard visual aids supplied with the machine.
  • Page 28 SAFETY Camera Camera visibility visibility Monitor display Surrounding Image + Image to Rear Camera visibility Mirror Mirror visibility visibility Visibility Map "Surrounding Image + Image to Rear" ENMDFY-ENSL1-VM-017 Camera visibility Monitor display Surrounding Image + Image to Right Side + Image to Rear Camera visibility Mirror Mirror...

  • Page 29: Components Name

    COMPONENTS NAME Components Name Super Long Front Attachment 1- Boom 2- Arm Cylinder 3- Arm 4- Stay 5- Bucket Cylinder MDCA-SL1-007 6- Bucket 7- Counterweight Super Long Front Attachment 8- Additional Counterweight...

  • Page 30: Additional Devices For The Super Long Front Attachment

    COMPONENTS NAME Additional Devices for the Super Long Front Attachment Pressure Reducing Valve NOTE: A typical model is shown in the figure. Some parts may differ depending on the model of the machine.

  • Page 31: Operating The Machine

    OPERATING THE MACHINE Increase in Counterweight WARNING: Warning: As the super long front attachment is heavier than the backhoe front attachment, additional counterweight is needed to secure machine stability. Operating the machine without additional counterweight may cause the machine turnover. Do not attempt to perform forced operation that gives strong impact on the machine, operation using free- fall of the front attachment and a sudden stop.

  • Page 32: Operating Backhoe (Super Long Front Attachment)

    OPERATING THE MACHINE Operating Backhoe (Super Long Front Attachment)  This machine is designed exclusively for light to moderate excavation work. Use the standard front attachment for general excavation work.  This machine is designed for the super long front attachment.

  • Page 33: Avoid One Side Operation

    OPERATING THE MACHINE Avoid one side operation If load is applied only on one side of wide bucket such as a slope-finishing bucket, the front attachment may be twisted WRONG and the parts may be damaged. Avoid using bucket other than specified ...
  • Page 34 OPERATING THE MACHINE MEMO ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................

  • Page 35: Disassembling • Assembling

    DISASSEMBLING • ASSEMBLING Precautions for Disassembling/Assembling 1. Secure a sufficient solid and level space for disassembling/assembling work. 2. Ensure that the ground is solid. Properly reinforce a soft ground, and ensure the machine is leveled by using a leveler. 3. Disassembly and assembly work is dangerous . Adequate preparation and tools are required for this work.
  • Page 36  After tightening the bolts with specified torque, mark the bolts to prevent miss tightening.  Use Hitachi genuine bolts. If the bolt length is too long or too short, it can not be tightened properly, causing serious accident.
  • Page 37 DISASSEMBLING • ASSEMBLING Precautions for Installation /Removal Front Attachment CAUTION: Remove counterweight if swinging without the boom. Failure to do so may result in machine turnover. 1. Perform disassembly/assembly on a firm, level surface. 2. Align the center of the front attachment with the crawler center.

  • Page 38: Preparation For Work

    Check if the O-ring to be installed in the joint is free from any damage and is seated correctly.  Tighten the hose connector with the specified torque. Refer to the "Operator's Manual for Hitachi Excavator" for tightening torque.  Securely put plugs into the separated hose and pipe ends so that dust does not enter the hydraulic system.

  • Page 39: Precautions For Slinging Work

    DISASSEMBLING • ASSEMBLING Precautions for Slinging Work 1. Determination of signs and commander Determine signs between operator and signal person. Allocate only one signal person for work. Multiple signal persons will confuse workers, causing accident. 2. Installing Protectors Install protectors before placing a wire rope on an object to prevent damage on wire rope and the object to be hoisted.

  • Page 40: Super Long Front Attachment Installation Procedure

    DISASSEMBLING • ASSEMBLING Super Long Front Attachment Installation Procedure Boom Installation WARNING:  NEVER insert your fingers into pin holes when aligning the pin holes.  Guard against injury from flying pieces of metal. Wear goggles or safety glasses, and safety equipment appropriate to the job.
  • Page 41 Installing hoses between the base machine and the boom 1. Release remaining pressure from the piping before installing hoses. Refer to the "Operator's Manual for Hitachi Excavator" for releasing remaining pressure. 2. Install arm cylinder hose (6) and bucket cylinder hose (7). Wrench size...
  • Page 42 DISASSEMBLING • ASSEMBLING Boom Cylinder Installation WARNING:  NEVER insert your fingers into pin holes when aligning the pin holes.  Guard against injury from flying pieces of metal. Wear goggles or safety glasses, and safety equipment appropriate to the job. ...
  • Page 43 DISASSEMBLING • ASSEMBLING 5. Install lubrication piping (16) to the rod side adapter on boom cylinder (10). (2 positions on left and right side) Wrench size : 19 mm Tightening torque : 30 N·m (3.0 kgf·m) 6. Lubricate rod side, bottom side and foot side of boom cylinders (10) (2 used).
  • Page 44 DISASSEMBLING • ASSEMBLING Counterweight Installation ZX250LC(N)-7 ZX300LC(N)-7 Counterweight: Model Type Counterweight HE15LD ZX250LC(N)-7 7750 kg HE18LD HE15LD ZX300LC(N)-7 7200 kg HE18LD 1. Lift the counterweight (17) by using a crane and install the counterweight on the frame. Install the washer (18). Temporally tighten the bolt (19) 2.
  • Page 45 DISASSEMBLING • ASSEMBLING Counterweight Installation ZX350LC(N)-7 Counterweight: Model Type Counterweight HE15LD HE18LD ZX350LC(N)-7 8870 kg HE20LD HE22 1. Lift the counterweight (17) by using a crane and install the counterweight on the frame. Install the washer (18). Temporally tighten the bolt (19) W1V7-02-02-002 2.

  • Page 46: Additional Counterweight Installation Procedure

    DISASSEMBLING • ASSEMBLING Additional Counterweight Installation Procedure Lift up additional counterweight (2) by using a crane. Slowly lower it onto the mounting holes of counterweight (1). Apply lubrication oil onto bolts (3) (3 used on ZX300-7, 4 used on ZX350-7) and install them. Lower the counterweight and tighten bolts (3).
  • Page 47 DISASSEMBLING • ASSEMBLING Arm Installation WARNING:  NEVER insert your fingers into pin holes when aligning the pin holes.  Guard against injury from flying pieces of metal. Wear goggles or safety glasses, and safety equipment appropriate to the job. ...
  • Page 48 DISASSEMBLING • ASSEMBLING 5. Slowly lower arm (22) end onto the ground. Hoist the arm 6. Align the hole on arm (21) and hole on the arm cylinder cylinder by using by extending/retracting arm cylinder. Install shims and a crane. pin (24), and then install the retaining bolt.
  • Page 49 Installing hoses between the boom and arm 1. Release remaining pressure from the piping before installing hoses. Refer to the "Operator's Manual for Hitachi Excavator" for bleeding air. CAUTION: Do not release pressure from the hydraulic circuit of the boom and arm cylinders. Releasing pressure is dangerous as the boom and arm may fall down under its own weight.
  • Page 50 DISASSEMBLING • ASSEMBLING Connecting Lubrication Hose and Lubricate 1. Install lubrication hoses between the boom and arm. Boom lubrication At the end of the boom cylinder (a) hose: (2 positions on left and right side) Arm lubrication hose: At the bottom of the arm cylinder (b) Arm lubrication: At the top of the arm cylinder (c) Tightening Torque:...
  • Page 51 DISASSEMBLING • ASSEMBLING Bucket Installation O-Ring Shift 1. Clean the pins and pin bores. Apply sufficient grease to the pins and pin bores. 2. Place the new bucket in stable position as shown in the figure. 3. Fit the arm and alternate bucket. Be sure the bucket will not roll.

  • Page 52: Super Long Front Attachment Removal Procedure

    DISASSEMBLING • ASSEMBLING Super Long Front Attachment Removal Procedure Bucket Removal O-Ring Shift CAUTION: When driving the connecting pins in or out, guard against injury from flying pieces of metal or debris. Wear goggles or safety glasses, hard hat and face shield.
  • Page 53 Take care not to allow wire rope to slide on the cylinder. 4. Release remaining pressure from the piping of arm cylinder (21). Refer to the "Operator's Manual for Hitachi Excavator" for releasing pressure. 5. Remove pin (24) connecting arm cylinder (21) and arm (22).
  • Page 54 DISASSEMBLING • ASSEMBLING Arm Removal 1. Hoist arm (22) by using a crane. Model Type Arm Weight Pin Weight HE15LD 1780 kg ZX250LC(N)-7 38 kg HE18LD 1760 kg HE15LD 1950 kg ZX300LC(N)-7 43 kg 1.5 m HE18LD 1970 kg HE15LD 2060 kg M1T1-SL1-003 HE18LD...

  • Page 55: Additional Counterweight Removal Procedure

    DISASSEMBLING • ASSEMBLING Additional Counterweight Removal Procedure Attach a wire rope to the upper part of additional counterweight (2). Slightly lift the wire rope with a crane to remove wire slackness. Remove mounting bolts (3) (3 used in ZX300-7, 4 used in ZX350-7).
  • Page 56 DISASSEMBLING • ASSEMBLING Counterweight Removal ZX250LC(N)-7 ZX300LC(N)-7 Counterweight: Model Type Counterweight HE15LD ZX250LC(N)-7 7750 kg HE18LD HE15LD ZX300LC(N)-7 7200 kg HE18LD WARNING: When the front attachment is removed, also remove the counterweight. Otherwise, the machine has a risk of turnover. 1.
  • Page 57 DISASSEMBLING • ASSEMBLING Counterweight Removal ZX350LC(N)-7 Wire Rope Counterweight: Model Type Counterweight HE15LD HE18LD ZX350LC(N)-7 8870 kg HE20LD HE22 1. Attach wire ropes on the upper bracket of the counterweight. Slightly hoist the wire and remove the slackness of the wire. W1V7-02-02-002 2.
  • Page 58 1. Ensure that the boom end is placed on a wooden block. 2. Release remaining pressure from the piping of boom cylinder (10). Refer to the "Operator's Manual for Hitachi Excavator" for releasing pressure. MDCA-SL1-038 3. Remove lubrication piping (16) to the rod side adapter on boom cylinder (10).
  • Page 59 Removal of Hoses between the Machine and Boom 1. Release remaining pressure from the piping before removing hoses. Refer to the "Operator's Manual for Hitachi Excavator" for releasing pressure. 2. Remove arm hose (6) and bucket hose (7) between the base machine and the boom.
  • Page 60 DISASSEMBLING • ASSEMBLING Boom Removal 1. Remove mounting bolts (8 used) from tool box (26) and cover (27). Hoist tool box (26) and cover (27) by a crane. Place them in a stable position. 2. Remove bolt (2), spring washer (3), plate (4) and block (5) from the plate of boom foot pin.

  • Page 61: Transportation

    TRANSPORTATION Transporting by Road When transporting the machine on public roads, be sure to first understand and follow all local regulations. 1. When transporting using a trailer, check the width, height, length and weight of the trailer with the machine loaded.

  • Page 62: Loading/Unloading On A Trailer

    TRANSPORTATION Loading/Unloading on a Trailer Always load and unload the machine on a firm, level surface. WARNING: Be sure to use a loading dock or a ramp for loading/unloading. Ramp/Loading Dock: 1. Before loading, thoroughly clean the ramps, loading dock and flatbed. Dirty ramps, loading docks, and flatbeds with oil, mud, or ice on them are slippery and dangerous.
  • Page 63 TRANSPORTATION Transporting with Front Attachment (in the job site) WARNING: The stay (1) may fall when the pin is removed from the stay (1). CAUTION: The bucket may interfere in the stay (1) depending on the type of the bucket. Carefully select the bucket to be installed.
  • Page 64 TRANSPORTATION Loading/Unloading WARNING:  Always turn the auto-idle switch OFF and turn the power mode switch to (PWR) or (ECO) position when loading or unloading the machine. In the auto-idle mode, speed may automatically increase.  Always select the slow speed mode with the travel mode switch.

  • Page 65: Unloading

    TRANSPORTATION Unloading WARNING: The rear end of the flatbed where it meets the ramp is a sudden bump. Take care when traveling over it. 15 ° or less Drive the machine forward when unloading the machine. 1. Remove stay (1) when the front attachment is installed. M107-06-018 2.

  • Page 66: Dimensions And Weight For Transportation

    TRANSPORTATION Dimensions and Weight for Transportation 1. Base Machine Shoe Width Weight Model Width (mm) (mm) (mm) (kg) (mm) 3190 15600 HE15LD 3290 16000 ZX250LC-7 5210 3180 3390 16300 HE18LD 3490 16800 2990 15600 HE15LD 3090 15900 ZX250LCN-7 5210 3180 3190 16200 HE18LD 3290 16700...
  • Page 67 TRANSPORTATION 4. Counterweight Width Weight Model (mm) (mm) (mm) (kg) HE15LD ZX250LC(N)-7 1150 2840 7750 HE18LD HE15LD ZX300LC(N)-7 1170 2950 7200 HE18LD HE15LD HE18LD ZX350LC(N)-7 1260 2950 8870 HE20LD MDCA-SL1-025 HE22 5. Additional Counterweight Width Weight Model (mm) (mm) (mm) (kg) HE15LD ZX250LC(N)-7...

  • Page 68: Lifting Machine

    TRANSPORTATION Lifting Machine WARNING:  Make sure that you use lifting wire and other lifting tools that are not damaged or deteriorated and that have sufficient capacity required for the work.  Be sure to contact your authorized dealer for correct lifting procedure, and size and kinds of lifting wire ropes and lifting tools.

  • Page 69: Do Not Hoist Whole Machine

    TRANSPORTATION Do Not Hoist Whole Machine The machine capable of mounting super long front attachment. Has very long front, so it easily looses balance when the whole machine is hoisted. Never attempt to hoist the whole machine. Always hoist the machine after removing the super long front attachment and the counterweight.
  • Page 70 TRANSPORTATION MEMO ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................5-10...

  • Page 71: Maintenance

    IMPORTANT: Grease bucket and link pivots every day until break-in operation (50 hours) is complete. When a bucket which does not have clearance adjustment mechanism such as slope-finishing bucket, or a genuine Hitachi hoe bucket before EX-5 model, or an attachment other than genuine Hitachi bucket is used, grease two pins every 250 hours.

  • Page 72: Greasing

    MAINTENANCE A. Greasing Front Joint Pins --- every 500 hours 250 hours for only first time. Lubricate all fittings shown in the figure. M178-07-007  Boom Cylinder Bottom Side M157-07-156  Boom Foot M157-07-155...
  • Page 73 MAINTENANCE  Boom and Arm Joint Pin, Arm Cylinder Rod Pin and Bucket Cylinder Bottom Pin. SECTION G MDCAEU-SL1-002  Boom Cylinder Rod Pins and Arm Cylinder Bottom Pin. M157-07-155...

  • Page 74: Miscellaneous

    MAINTENANCE B. Miscellaneous Tightening and Retightening Torque of Nuts and Bolts --- every 250 hours (first time after 50 hours) Tighten to torque shown if any are loose. Bolts and nuts should be replaced with those of the same or higher grade. Check tightness after the first 50 hours then every 250 hours.
  • Page 75 MAINTENANCE 1. Counterweight mounting bolt W178-02-02-003 2. Additional counterweight mounting bolt MDCA-SL1-018...
  • Page 76 MAINTENANCE MEMO ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................

  • Page 77: Troubleshooting

    IMPORTANT: Never attempt to disassemble or modify the electrical/electronic components. Only the items that differ from those on the Hitachi hydraulic excavator are described in this section. Refer to the "Operator's Manual for Hitachi Hydraulic Excavator" for other inquiries than described in this section.
  • Page 78 TROUBLESHOOTING MEMO ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................

  • Page 79: Specifications

    SPECIFICATIONS Specifications ZX250LC-7, 250LCN-7 MDFY-12-005-1 ja Model ZX250LC-7 ZX250LCN-7 Type of Front-End Attachment – HE15LD HE18LD HE15LD HE18LD Bucket Capacity Heaped 0.66 0.40 0.59 0.40 Operating Weight 28700 28900 28700 28800 Engine – Isuzu 4HK1 140 kW/2000 min (ISO 14396) A: Overall Width (Excluding back mirrors) 3190 2990...

  • Page 80: Working Ranges Zx250Lc(N)-7 Super Long Front Attachment (Type He15Ld)

    SPECIFICATIONS Working Ranges ZX250LC(N)-7 Super Long Front Attachment (Type HE15LD) meter Ground line meter MDC1EU-SL1-001 A: Maximum Digging Reach (mm) 15070 B: Maximum Digging Reach (on ground) (mm) 14950 C: Minimum Level Crowding Distance (mm) 2110 D: Maximum Digging Depth (mm) 10870 E: Maximum Cutting Height...

  • Page 81: Working Ranges Zx250Lc(N)-7 Super Long Front Attachment (Type He18Ld)

    SPECIFICATIONS Working Ranges ZX250LC(N)-7 Super Long Front Attachment (Type HE18LD) meter Ground line meter MDC1EU-SL1-002 A: Maximum Digging Reach (mm) 18200 B: Maximum Digging Reach (on ground) (mm) 18100 C: Minimum Level Crowding Distance (mm) 2560 D: Maximum Digging Depth (mm) 12760 E: Maximum Cutting Height...

  • Page 82: Shoe Types And Applications

    SPECIFICATIONS Shoe Types and Applications ZX250LC-7 Type HE15LD HE18LD Grouser Shoe Grouser Shoe Shoe Width For Ordinary For Ordinary For Weak Footing For Weak Footing Application Ground Ground (Option) (Option) (Standard) (Standard) Operating Weight (kg) 28700 29100 29400 29900 28900 29200 29500 30000...

  • Page 83: Bucket Types And Applications

    The maximum allowable weight is determined by Hitachi standards. If the total load exceeds this value, it may cause machine turnover or damage on the front attachment. Select a bucket having capacity and weight with maximum allowable loading weight.

  • Page 84: Zx300Lc-7, 300Lcn-7

    SPECIFICATIONS Specifications ZX300LC-7, 300LCN-7 MDFY-12-002-1 ja Model ZX300LC-7 ZX300LCN-7 Type of Front-End Attachment – HE15LD HE18LD HE15LD HE18LD Bucket Capacity Heaped 0.70 0.40 0.60 0.40 Operating Weight 33100 33100 33000 32900 Engine – Isuzu 6HK1 197 kW/1900 min (ISO 14396) A: Overall Width (Excluding back mirrors) mm 3190 2990...

  • Page 85: Working Ranges Zx300Lc(N)-7 Super Long Front Attachment (Type He15Ld)

    SPECIFICATIONS Working Ranges ZX300LC(N)-7 Super Long Front Attachment (Type HE15LD) MDC1EU-SL1-003 A: Maximum Digging Reach (mm) 15750 B: Maximum Digging Reach (on ground) (mm) 15630 C: Minimum Level Crowding Distance (mm) 2110 D: Maximum Digging Depth (mm) 10620 E: Maximum Cutting Height (mm) 15450 F Maximum Dumping Height...

  • Page 86: Working Ranges Zx300Lc(N)-7 Super Long Front Attachment (Type He18Ld)

    SPECIFICATIONS Working Ranges ZX300LC(N)-7 Super Long Front Attachment (Type HE18LD) meter Ground line meter MDC1EU-SL1-004 A: Maximum Digging Reach (mm) 18180 B: Maximum Digging Reach (on ground) (mm) 18070 C: Minimum Level Crowding Distance (mm) 2550 D: Maximum Digging Depth (mm) 12550 E: Maximum Cutting Height...

  • Page 87: Shoe Types And Applications

    SPECIFICATIONS Shoe Types and Applications ZX300LC-7 Type HE15LD HE18LD Grouser Shoe Grouser Shoe Shoe Width For Ordinary For Ordinary For Weak Footing For Weak Footing Application Ground Ground (Option) (Option) (Standard) (Standard) Operating Weight (kg) 33100 33500 33900 34300 33100 33400 33800 34200...

  • Page 88: Bucket Types And Applications

    The maximum allowable weight is determined by Hitachi standards. If the total load exceeds this value, it may cause machine turnover or damage on the front attachment. Select a bucket having capacity and weight with maximum allowable loading weight.

  • Page 89: Zx350Lc-7, 350Lcn-7

    SPECIFICATIONS Specifications ZX350LC-7, 350LCN-7 MDFY-12-001-1 ja Model ZX350LC-7 ZX350LCN-7 Type of Front-End Attachment – HE15LD HE18LD HE20LD HE22 HE15LD HE18LD HE20LD HE22 Bucket Capacity Heaped 1.00 0.70 0.45 0.40 1.00 0.70 0.45 0.40 Operating Weight 38300 38400 38100 38100 38100 38200 37900 37900...

  • Page 90: Working Ranges Zx350Lc(N)-7 Super Long Front Attachment (Type He15Ld)

    SPECIFICATIONS Working Ranges ZX350LC(N)-7 Super Long Front Attachment (Type HE15LD) meter Ground line MDC1EU-SL1-005 meter A: Maximum Digging Reach (mm) 15960 B: Maximum Digging Reach (on ground) (mm) 15820 C: Minimum Level Crowding Distance (mm) 2370 D: Maximum Digging Depth (mm) 11400 E: Maximum Cutting Height...

  • Page 91: Working Ranges Zx350Lc(N)-7 Super Long Front Attachment (Type He18Ld)

    SPECIFICATIONS Working Ranges ZX350LC(N)-7 Super Long Front Attachment (Type HE18LD) meter Ground line meter MDC1EU-SL1-006 A : Maximum Digging Reach (mm) 18130 B : Maximum Digging Reach (on ground) (mm) 18020 C : Minimum Level Crowding Distance (mm) 3000 D : Maximum Digging Depth (mm) 13060 : Maximum Cutting Height...

  • Page 92: Working Ranges Zx350Lc(N)-7 Super Long Front Attachment (Type He20Ld)

    SPECIFICATIONS Working Ranges ZX350LC(N)-7 Super Long Front Attachment (Type HE20LD) meter Ground line meter MDC1EU-SL1-007 A : Maximum Digging Reach (mm) 20260 B : Maximum Digging Reach (on ground) (mm) 20150 C : Minimum Level Crowding Distance (mm) 3180 D : Maximum Digging Depth (mm) 14910 : Maximum Cutting Height...

  • Page 93: Working Ranges Zx350Lc(N)-7 Super Long Front Attachment (Type He22)

    SPECIFICATIONS Working Ranges ZX350LC(N)-7 Super Long Front Attachment (Type HE22) meter Ground line meter MDC1EU-SL1-008 A : Maximum Digging Reach (mm) 22070 B : Maximum Digging Reach (on ground) (mm) 21970 C : Minimum Level Crowding Distance (mm) 2410 D : Maximum Digging Depth (mm) 16430 : Maximum Cutting Height...

  • Page 94: Shoe Types And Applications

    SPECIFICATIONS Shoe Types and Applications ZX350LC-7 Type HE15LD HE18LD HE20LD HE22 Grouser Shoe Grouser Shoe Grouser Shoe Grouser Shoe Shoe Width 700 800 700 800 700 800 700 800 Ordinary For Weak Footing Ordinary For Weak Footing Ordinary For Weak Footing Ordinary For Weak Footing Application...

  • Page 95: Bucket Types And Applications

    The maximum allowable weight is determined by Hitachi standards. If the total load exceeds this value, it may cause machine turnover or damage on the front attachment. Select a bucket having capacity and weight with maximum allowable loading weight.
  • Page 96 SPECIFICATIONS Recommendation Capacity Width without Weight ZX350LC ZX350LCN heaped side cutters HE15LD HE18LD HE20LD HE22 HE15LD HE18LD HE20LD HE22 0.40 m 720 mm 340 kg ● ● ● ○ ● ● ● □ 0.45 m 800 mm 370 kg ● ●...

  • Page 97: Capacities

    CAPACITIES This section is divided into 2 sections, lifting capacities and machine capacities. The section regarding lifting capacities provides information on capacities when the machine is used for lifting applications. For general information regarding safety precautions during lifting operation, please read the information provided in the machine’s operator’s manual and follow local regulations and instructions.
  • Page 98 Lifting operation, as a completion of excavation/loading application, is permitted on the condition that the machine is equipped with the speci c (optional) safety features supplied by HITACHI Construction Machinery required for lifting applications. When using the machine for lifting applications strictly follow the local rules as well as the advises indicated below.
  • Page 99 CAPACITIES WARNING: Lifting devices (hooks, chains, etc) must be suitable, undamaged and not worn. Follow the local laws to check these devices. Do not lift objects fixed to the ground. Do not use the lifting device to tow, uproot or tear out. Sudden changes in load may cause instability and/or damage to the machine.
  • Page 100 CAPACITIES MEMO ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................

  • Page 101: Machine Capacities

    MACHINE CAPACITIES ZX250LC-7 HE15LD Super Long Front; 8.5m boom; 5.93m arm; 7.8t CW Units; 1000kg 4.5 m 7.5 m Conditions 12 m 2.23* 2.23* Boom: 8.5m 10.5 m 2.11* 2.11* Arm 5.93m 2.12* 2.12* counterweight: 7.5 m 2.23* 2.23* 7750kg 2.41* 2.41* 4.5 m...
  • Page 102 MACHINE CAPACITIES ZX250LCN-7 HE15LD Super Long Front, 8.5m boom, 5.93m arm, 7.8 t CW Units; 1000kg 4.5 m 7.5 m Conditions 12 m 2.23* 2.23* Boom: 8.5m 10.5 m 2.11* 2.11* Arm 5.93m 2.12* 2.12* counterweight: 7.5 m 2.23* 2.23* 7750kg 2.41* 2.41*...
  • Page 103 MACHINE CAPACITIES ZX250LC-7 HE18LD Super Long Front, 10.23m boom, 7.28m arm, 7.8 t CW Units; 1000kg 4.5 m 7.5 m 10.5 m Conditions Boom: 10.23m 15 m 1.58* 1.58* 13.5m 1.65* 1.65* Arm 7.28m 12 m counterweight: 10.5 m 1.62* 1.62* 7750kg 1.68*...
  • Page 104 MACHINE CAPACITIES ZX250LCN-7 HE18LD Super Long Front, 10.23m boom, 7.28m arm, 7.8t CW Units; 1000kg 4.5 m 7.5 m 10.5 m Conditions Boom: 10.23m 15 m 1.58* 1.58* 13.5m 1.65* 1.65* Arm 7.28m 12 m counterweight: 10.5 m 1.62* 1.62* 7750kg 1.68* 1.68*...
  • Page 105 MACHINE CAPACITIES ZX300LC-7 HE15LD Super Long Front, 8.7m boom, 6.1m arm, 7.2t CW, 0.6t ADD CW Units; 1000kg 4.5 m 7.5 m Conditions Boom: 8.7m 13.5 m Arm 6.1m 12 m 3.18* 3.18* 10.5 m 3.08* 3.08* Counterweight: 3.12* 3.12* 7200kg 7.5 m 3.26*...
  • Page 106 MACHINE CAPACITIES ZX300LCN-7 HE15LD Super Long Front, 8.7m boom, 6.1m arm, 7.2t CW, 0.6t ADD CW Units; 1000kg 4.5 m 7.5 m Conditions Boom: 8.7m 13.5 m 12 m 3.18* 3.18* Arm 6.1m 10.5 m 3.08* 3.08* Counterweight: 3.12* 3.12* 7200kg 7.5 m 3.26*...
  • Page 107 MACHINE CAPACITIES ZX300LC-7 HE18LD Super Long Font, 10.23 boom, 7.28 arm, 7.2t CW, 0.6t ADD CW Units; 1000kg 4.5 m 7.5 m 10.5 m Conditions Boom: 10.23m 15 m 1.56* 1.56* 13.5 m 2.24* 2.24* Arm 7.28m 12 m counterweight: 10.5 m 2.42* 2.42*...
  • Page 108 MACHINE CAPACITIES ZX300LCN-7 HE18LD Super Long Front, 10.23m boom, 7.28m arm, 7.2t CW, 0.6t ADD CW Units; 1000kg 4.5 m 7.5 m 10.5 m Conditions Boom: 10.23m 15 m 1.56* 1.56* 13.5 m 2.24* 2.24* Arm 7.28m 12 m counterweight: 10.5 m 2.42* 2.42*...
  • Page 109 MACHINE CAPACITIES ZX350LC-7 HE15LD Super Long Front, 9.0m boom, 6.0m arm, 8.9t CW, 1.4t ADD CW Units; 1000kg 4.5 m 7.5 m Conditions Boom: 9.0m 12 m 10.5 m Arm 6.0m Counterweight: 7.5 m 8870kg 4.87* 4.87* Additional 4.5 m 6.19* 6.19* 5.31*...
  • Page 110 MACHINE CAPACITIES ZX350LCN-7 HE15LD Super Long Front, 9.0m boom, 6.0m arm, 8.9t CW, 1.4t ADD CW Units; 1000kg 4.5 m 7.5 m Conditions Boom: 9.0m 12 m 10.5 m Arm 6.0m Counterweight: 7.5 m 8870kg 4.87* 4.87* Additional 4.5 m 6.19* 6.19* 5.31*...
  • Page 111 MACHINE CAPACITIES ZX350LC-7 HE18LD Super Long Front, 10.45m boom, 7.02m arm, 8.9t CW, 1.4t ADD CW Units; 1000kg 4.5 m 7.5 m 10.5 m Conditions 13.5 m Boom: 10.45m 12 m Arm 7.02m 10.5 m counterweight: 8870kg 7.5 m 3.69* 3.69* Additional 4.45*...
  • Page 112 MACHINE CAPACITIES ZX350LCN-7 HE18LD Super Long Front, 10.45m boom, 7.02m arm, 8.9t CW, 1.4t ADD CW Units; 1000kg 4.5 m 7.5 m 10.5 m Conditions 13.5 m Boom: 10.45m 12 m Arm 7.02m 10.5 m counterweight: 8870kg 7.5 m 3.69* 3.69* Additional 4.45*...
  • Page 113 MACHINE CAPACITIES ZX350LC-7 HE20LD Super Long Front, 11.80m boom, 8.20m arm, 8.9t CW, 1.1t ADD CW Units; 1000kg 4.5 m 7.5 m 10.5 m Conditions 15 m Boom: 11.80m 13.5 m Arm 8.20m 12 m counterweight: 10.5 m 8870kg Additional 7.5 m counterweight: 3.30*...
  • Page 114 MACHINE CAPACITIES ZX350LCN-7 HE20LD Super Long Front, 11.80m boom, 8.20m arm, 8.9t CW, 1.1t ADD CW Units; 1000kg 4.5 m 7.5 m 10.5 m Conditions 15 m Boom: 11.80m 13.5 m Arm 8.20m 12 m counterweight: 10.5 m 8870kg Additional 7.5 m counterweight: 3.30*...
  • Page 115 MACHINE CAPACITIES ZX350LC-7 HE22 Super Long Front, 12.30m boom, 9.45m arm, 8.9t CW, 1.1t ADD CW Units; 1000kg 4.5 m 7.5 m 10.5 m 12 m Conditions 16.5 m Boom: 12.3m 15 m Arm 9.45m 13.5 m Counterweight: 8870kg 12 m 10.5 m Additional counterweight:...
  • Page 116 MACHINE CAPACITIES ZX350LCN-7 HE22 Super Long Front, 12.30m boom, 9.45m arm, 8.9t CW, 1.1t ADD CW Units; 1000kg 4.5 m 7.5 m 10.5 m 12 m Conditions 16.5 m Boom: 12.3m 15 m Arm 9.45m 13.5 m Counterweight: 8870kg 12 m 10.5 m Additional counterweight:...

  • Page 117: Lifting Capacities

    LIFTING CAPACITIES 9-21...
  • Page 118 LIFTING CAPACITIES 9-22...
  • Page 119 LIFTING CAPACITIES 9-23...
  • Page 120 LIFTING CAPACITIES 9-24...
  • Page 121 LIFTING CAPACITIES 9-25...
  • Page 122 LIFTING CAPACITIES 9-26...
  • Page 123 LIFTING CAPACITIES 9-27...
  • Page 124 LIFTING CAPACITIES 9-28...

  • Page 125: Index

    INDEX Specifications ..............8-1, 8-6, 8-11 ZX250LC-7, 250LCN-7 ...............8-1 Additional Counterweight Installation Procedure ... 4-12 ZX300LC-7, 300LCN-7 ...............8-6 Additional Counterweight Removal Procedure ....4-21 ZX350LC-7, 350LCN-7 ............8-11 Additional Devices for the Super Long Front Super Long Front Attachment ...........1-1 Attachment .................1-2 Super Long Front Attachment Installation Procedure ..4-6 Avoid one side operation ............3-3...
  • Page 126 INDEX MEMO ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................10-2...
  • Page 127 Super Long Front Excavator ZX250LC(N)-7/ZX300LC(N)-7/ZX350LC(N)-7 Operator’s Manual (Original Instruction) Manual part number : ENMDFY-ENSL1-1 Hitachi Construction Machinery (Europe) NV Address : Souvereinstraat 16, NL 4903 RH Oosterhout NB, The Netherlands : http://www.hcme.com...

This manual is also suitable for:

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