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Summary of Contents for Toro 74174
- Page 1 Form No. 3323–298 Z–Master Z153 with 52 Side Discharge Mower Model No. 74174–200000001 & Up Operator’s Manual...
- Page 2 The warning system in this manual identifies potential hazards and has special safety messages that All of us at Toro want you to be completely satisfied help you and others avoid personal injury, even death. with your new product, so feel free to contact your...
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Page 3: Table Of Contents
....Pushing the Machine by Hand ..Toro Mower Safety ....Side Discharge . - Page 4 Contents Wiring Diagram ..... Troubleshooting ......Warranty .
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Page 5: Safety
Safety Preparation This machine meets or exceeds CPSC blade safety requirements for rotary mowers and the Evaluate the terrain to determine what B71.4 1999 specifications of the American accessories and attachments are needed to National Standards Institute, in effect at time of properly and safely perform the job. - Page 6 Safety Operation Never carry passengers and keep pets and bystanders away. Never run an engine in an enclosed area. Slow down and use caution when making turns Only operate in good light, keeping away from and crossing roads and sidewalks. Stop blades if holes and hidden hazards.
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Page 7: Toro Mower Safety
Always look down and behind before The following list contains safety information and while backing. specific to Toro products or other safety information that you must know that is not included in the ANSI Be aware of the mower discharge direction and standards. - Page 8 Safety Before operating a machine with ROPS (roll When operating a machine with ROPS (roll over over protection) be certain the seat belts are protection) always use seat belt. attached to prevent the seat from pivoting Be certain that the seat belt can be released forward.
- Page 9 Safety Check brake operation frequently. Adjust and service as required. Battery acid is poisonous and can cause burns. Avoid contact with skin, eyes and clothing. Protect your face, eyes and clothing when working with a battery. Battery gases can explode. Keep cigarettes, sparks and flames away from battery.
- Page 10 Safety...
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Page 11: Slope Chart
Safety Slope Chart Read all safety instructions on pages 5–7. -
Page 13: Safety And Instruction Decals
Safety Safety and Instruction Decals Safety decals and instructions are easily visible to the operator and are located near any area of potential danger. Replace any decal that is damaged or lost. TOP OF CONSOLE UNDER SEAT (Part No. E513747) ON RIGHT SIDE OF HEIGHT OF ON LEFT SIDE OF ON TOP OF CONSOLE LEFT... - Page 14 Safety UNDER FOOTREST (Part No. 99–3924) ON FRAME NEAR MUFFLER (Part No. 65–2690) LOWER LEFT OF CONSOLE (Part No. 98–4387) ON TOP LEFT SIDE OF FRAME (Part No. E633818) ON CONTROL PANEL (Part No. 99–3942)
- Page 15 Safety 99–3943...
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Page 16: Gasoline And Oil
Gasoline and Oil Recommended Gasoline Use UNLEADED Regular Gasoline suitable for POTENTIAL HAZARD automotive use (85 pump octane minimum). Leaded In certain conditions gasoline is extremely regular gasoline may be used if unleaded regular is flammable and highly explosive. not available. WHAT CAN HAPPEN IMPORTANT: Never use methanol, gasoline A fire or explosion from gasoline can burn... -
Page 17: Using Stabilizer/Conditioner
Gasoline and Oil Filling the Fuel Tank Shut the engine off and set the parking brake. POTENTIAL HAZARD Gasoline is harmful or fatal if swallowed. Clean around each fuel tank cap and remove the Long–term eposure to vapors has caused cap. -
Page 18: Assembly
Install seat rod Locknut 5/16” Control lever–right Control lever–left Install motion control levers Bolt 3/8–1 x 1” (26 mm) Spring washer 3/8” Operator’s Manual Read before operating machine Engine Operator’s Manual Parts Catalog Registration card Fill out and return to Toro... -
Page 19: Install Drive Wheels
Assembly Install Drive Wheels Install Seat Retaining Rod Uncrate mower. Tilt seat up. Remove 5/16” (8mm) locknut from bolt attaching seat retaining rod to seat frame Remove wheel nuts from rear wheel hubs. (Fig. 2). Align holes. Mount drive wheels with the valve Remove retaining rod from seat and insert the stem to the outside of the traction unit. -
Page 20: Install Motion Control Levers
Assembly Install Motion Control Levers If the ends of the levers hit against each other, while in the drive position (Fig 4) (levers rotated in as far as possible) make adjustments by Remove the (4) 3/8–16 x 1” (26 mm) bolts and moving the levers outwards to the neutral lock (4) 3/8”... -
Page 21: Activate The Battery
Assembly Activate the Battery Remove filler caps from the battery. Slowly pour electrolyte into each cell until the electrolyte level is up to the lower part of the tube (Fig. 5). Bulk electrolyte with 1.260 specific gravity must be purchased from a local battery supply outlet. Remove the battery from the machine. -
Page 22: Install Battery
Assembly Install Battery Position battery in tray with terminal posts POTENTIAL HAZARD toward the engine (Fig. 7). Charging battery produces gasses. First, install the positive (red) battery cable to WHAT CAN HAPPEN positive (+) battery terminal. Battery gasses can explode. HOW TO AVOID THE HAZARD Then install negative battery cable and ground Keep cigarettes, sparks and flames away... -
Page 23: Hydraulic System
Assembly Hydraulic System Checking the Hydraulic Fluid Check the hydraulic fluid level before engine is first started. Fluid Type: Mobil 1 15W–50 synthetic motor oil. IMPORTANT: Use only oil specified. Other fluids could cause system damage. Figure 8 Hydraulic System Oil Capacity: 2.1 qt. (2.0 l) 1. -
Page 24: Greasing The Bearings
Assembly Greasing the Bearings Check Engine Oil Level Make sure cutting unit spindles are full of grease Before you start the engine and use the machine, before engine is first started. check the oil level in the engine crankcase; refer to Checking Oil Level, page 41. -
Page 25: Operation
Operation Think Safety First Controls Please carefully read all the safety instructions on Become familiar with all the controls (Fig. 1) before pages 3–13. Knowing this information could help you start the engine and operate the machine. you, your family, pets or bystanders avoid injury. POTENTIAL HAZARD Loud sound can cause ear damage and loss of hearing. -
Page 26: Parking Brake
Operation Parking Brake Starting and Stopping the Engine Always set the parking brake when you stop the machine or leave it unattended. Starting IMPORTANT: Do not park on slopes unless Sit down on the seat and move the motion wheels are chocked or blocked. controls to neutral locked position. - Page 27 Operation Stopping Move the throttle lever to “SLOW” (Fig. 5). Move the PTO (power take off) to “OFF” (Fig. 3). Turn the ignition key to “OFF” (Fig. 6). Note: If the engine has been working hard or is hot, let it idle for a minute before m–4201 m–2719 turning the ignition key “OFF.”...
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Page 28: Operating The Power Take Off (Pto)
Operation Operating the Power Take Off The Safety Interlock System (PTO) Understanding the Safety Interlock System The power take off (PTO) switch engages and disengages power to the electric clutch. The safety interlock system is designed to prevent the engine from starting unless: Engaging the PTO You are sitting on the seat Release pressure on the traction control levers... -
Page 29: Testing The Safety Interlock System
Operation Testing the Safety Interlock Driving Forward or Backward System The throttle control regulates the engine speed as measured in rpm (revolutions per minute). Place the Test the safety interlock system before you use the throttle control in the “FAST” position for best machine each time. -
Page 30: Stopping The Machine
Operation POTENTIAL HAZARD Someone could move or attempt to operate the tractor while it is unattended. WHAT CAN HAPPEN Children or bystanders may be injured if m–2715 they use the tractor. Figure 8 HOW TO AVOID THE HAZARD 1. Motion control 3. -
Page 31: Fuel Tanks
Operation Fuel Tanks Adjusting Height-of-Cut The unit has two fuel tanks, located on the left and The height-of-cut is adjusted from 1-1/2” to 4-1/2” right sides. Each tank connects to the fuel shut off (38 to 114 mm) in 1/4” (6 mm) increments by valve in the control panel. -
Page 32: Adjusting Anti-Scalp Rollers
Operation Adjusting Anti-Scalp Rollers Center Rollers Disengage the power take off (PTO) and turn the Whenever you change the height-of-cut it is ignition key to “OFF”. Move controllers to recommended to adjust the height of the anti-scalp neutral locked position and apply parking brake. rollers. -
Page 33: Positioning The Seat
Operation Positioning the Seat Pushing the Machine by Hand The seat can move forward and backward. Position IMPORTANT: Always push the machine by the seat where you have the best control of the hand. Never tow the machine because machine and are most comfortable. hydraulic damage may occur. -
Page 34: Side Discharge
Operation Side Discharge Transporting Machines The mower has a hinged grass deflector that disperses Use a heavy–duty trailer or truck to transport the clippings to the side and down toward the turf. machine. Ensure that the trailer or truck has all necessary lighting and marking as required by law. -
Page 35: Loading Machines
Operation Loading Machines Use extreme caution when loading units on trailers or POTENTIAL HAZARD trucks. One full width ramp that is wide enough to Loading a unit on a trailer or truck extend beyond the rear tires is recommended instead increases the possibility of backward of individual ramps for each side of the unit. -
Page 36: Tips For Mowing Grass
If you cannot mow for an extended period, as necessary. If a blade is damaged or worn, replace it first mow at a high cutting height; then mow again immediately with a genuine TORO replacement two days later at a lower height setting. blade. -
Page 37: Maintenance
Maintenance Service Interval Chart Each Storage Service Operation Hours Hours Hours Hours Hours Service Hydraulic fluid–check level Initial Initial Oil—check level Oil—change* Initial Oil Filter–change (200 hours or every other oil change) Hydraulic filter–change Initial Safety System—check Chassis—grease* Linkage bushings—oil* Foam Air Cleaner—service* Paper Air Cleaner—service* Paper Air Cleaner—replace*... -
Page 38: Cutting Blades
File down any nicks and sharpen the blades as necessary. If a blade is damaged or worn, replace it immediately with a genuine TORO replacement blade. For convenient sharpening and replacement, you may want to keep extra blades on hand. - Page 39 Maintenance Inspecting the Blades Checking for Bent Blades Inspect the cutting edges (Fig 16). If the edges Stop the engine, set the parking brake, remove are not sharp or have nicks, remove and sharpen the key and disconnect the spark plug wire(s) the blades.
- Page 40 (Fig. 19). performance and continued safety conformance of the Repeat this procedure until the blade is balanced. machine, use genuine TORO replacement blades. Replacement blades made by other manufacturers may result in non-conformance with safety standards.
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Page 41: Air Cleaner
Maintenance Air Cleaner Carefully slide the foam element off the paper element (Fig. 22). Foam Element: Clean and re-oil after every 25 Unscrew the cover nut and remove the cover and operating hours. paper element (Fig. 22). Paper Element: Replace after every 100 operating hours. -
Page 42: Engine Oil
Maintenance Paper Element Engine Oil A. Lightly tap the element on a flat surface to Change oil: remove dust and dirt (Fig. 24). After the first 5 operating hours. B. Inspect the element for tears, an oily film, and damage to the rubber seal. After every 100 operating hours. - Page 43 Maintenance Checking Oil Level Changing/Draining Oil Park the machine on a level surface, disengage Start the engine and let it run five minutes. This the power take off (PTO) and turn the ignition warms the oil so it drains better. key to “OFF”...
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Page 44: Spark Plug
Maintenance Change Oil Filter Spark Plug Replace the oil filter every 200 hours or every other Check the spark plug(s) after every 200 operating oil change. hours. Make sure the air gap between the center and side electrodes is correct before installing the spark Note: Change oil filter more frequently when plug. -
Page 45: Fuel Filter
Maintenance Checking the Spark Plug Fuel Filter Look at the center of the spark plug(s) (Fig. 29). Replace the fuel filter after every 200 operating hours If you see light brown or gray on the insulator, or yearly, whichever occurs first. the engine is operating properly. -
Page 46: Fuel Tank
Maintenance Fuel Tank Pull the fuel line off fuel filter (Fig. 31). Open fuel shut-off valve for left and right tanks. Draining The Fuel Tank Allow gasoline to drain into a gas can or drain pan. (Fig. 31). Note: Now is the best time to install a new fuel filter because the fuel tank is POTENTIAL HAZARD empty. -
Page 47: Greasing And Lubrication
Maintenance Greasing and Lubrication Grease Front Castor Pivots Lubricate the front castor pivots once a year. Lubricate the machine when shown on the CHECK SERVICE REFERENCE AID decal (Fig. 32). Grease Remove hex plug and cap. Thread a grease zerk more frequently when operating conditions are into hole. -
Page 48: Hydraulic System
Maintenance Hydraulic System Checking the Hydraulic Fluid Check the hydraulic fluid level: Before engine is first started. After first 8 operating hours. After 25 operating hours. Fluid Type: Mobil 1 15W–50 synthetic motor oil. Figure 34 1. Cap 3. Fluid level-Full IMPORTANT: Use only oil specified. - Page 49 Maintenance Replacing the Hydraulic Filter Change the hydraulic filter: After the first 8 operating hours. After every 200 operating hours. Position machine on a level surface, stop the engine, and remove key from ignition switch. IMPORTANT: Do not substitute automotive m–1256 oil filter or severe hydraulic system damage Figure 36...
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Page 50: Tire Pressure
Maintenance Check Hydraulic Lines After every 100 operating hours, check hydraulic lines and hoses for leaks, loose fittings, kinked lines, loose mounting supports, wear, weather and chemical deterioration. Make necessary repairs before operating. m–1872 Figure 37 1. Valve stem POTENTIAL HAZARD Hydraulic fluid escaping under pressure can penetrate skin and cause injury. -
Page 51: Wheel Hub Slotted Nut
Maintenance Wheel Hub Slotted Nut Mower Leveling Check after every 500 operating hours. Position mower on a flat surface. Stop the engine, set the parking brake, remove the key The slotted nut needs to be torqued to 125 ft–lbs and disconnect the spark plug wire(s) from the (169.5 N m). - Page 52 Maintenance Note: When hardware is loose, deck will 12. Raise deck to 3 inch height of cut and measure rotate the lift handle up out of position. actual height from blade tips to ground. Height of cut for the front blade tips should be When hardware is loosened, remaining tension 3.00 .125 (76mm 3mm).
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Page 53: Adjusting Push Arms
Maintenance Adjusting Push Arms Throttle Lever Adjustment To adjust push arms, loosen jam nut and rotate The tension can be adjusted by adjusting the tightness ball joint counterclockwise, one turn at a time. of lever pivot bolt. Do this when needed. (Fig. -
Page 54: Clean Under Deck
Maintenance Clean Under Deck Replacing the Deck Belt Remove grass build up under deck daily. Squealing when the belt is rotating, blades slipping when cutting grass, frayed belt edges, burn marks and Position mower on a flat surface. Stop the cracks are signs of a worn deck belt. -
Page 55: Replacing The Pump Drive Belt
Maintenance Replacing the Pump Drive Belt Check pump drive belt for wear after every 50 hours POTENTIAL HAZARD of operation. Spring is under tension when installed. Remove deck belt first. See Replacing the Deck WHAT CAN HAPPEN Belt on page 52. Stored spring energy can cause personal injury. -
Page 56: Replacing The Grass Deflector
Maintenance Replacing the Grass Deflector Adjusting Motion Controls Stop the engine, set the parking brake, remove Adjusting Handle Neutral the key and disconnect the spark plug wire(s) from the spark plug(s). If motion control levers do not align, or move easily into the console notch, adjustment is required. - Page 57 Maintenance Apply slight rearward pressure on the motion Adjusting Hydraulic Pump Neutral control lever, turn the head of the adjustment Note: Adjust handle neutral first. That has to bolt in the appropriate direction until lever is be correct before the following centered in neutral lock position (keeping adjustment can be made.
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Page 58: Adjustment Parking Brake
Maintenance Loosen locknut at ball joint on pump control rod Adjustment Parking Brake (Fig. 49). Check parking brake for proper adjustment. Note: The front nut of each rod has left–hand threads. Disengage brake lever (lever down). Adjust pump rod length by rotating double nuts Measure the length of the spring. -
Page 59: Fuse
Maintenance Fuse Service Interval/Specification The electrical system is protected by fuses. It requires no maintenance: however, if a fuse blows check component/circuit for malfunction or short. Fuse: Main F1–20 amp, blade-type Alternator F2–20 amp, blade-type Raise the seat to gain access to fuse holder (Fig. -
Page 60: Battery
Maintenance Battery Adding Water to the Battery The best time to add distilled water to the battery is Check the electrolyte level in the battery every 25 just before you operate the machine. This lets the hours. Always keep the battery clean and fully water mix thoroughly with the electrolyte solution. -
Page 61: Waste Disposal
The tilt switch on this unit contains mercury, a Return the switch to your Toro dealer if it is faulty hazardous material. Mercury that is outside a sealed and is being replaced or if the unit containing the container vaporizes at room temperature. - Page 62 Maintenance Wiring Diagram...
- Page 63 Maintenance Cleaning and Storage A. Run engine to distribute conditioned fuel through the fuel system (5 minutes). Disengage the power take off (PTO), set the B. Stop engine, allow to cool and drain the parking brake and turn the ignition key to “OFF” fuel tank;...
- Page 64 Maintenance 16. Check and tighten all bolts, nuts and screws. Repair or replace any part that is damaged or defective. 17. Paint all scratched or bare metal surfaces. Paint is available from your Authorized Service Dealer. 18. Store the machine in a clean, dry garage or storage area.
- Page 65 Troubleshooting PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION Starter does not crank Blade control (PTO) is Move blade control (PTO) to ENGAGED. DISENGAGED. Parking brake is not on. Set parking brake. Operator is not seated. Sit on the seat. Battery is dead. Charge the battery.
- Page 66 Troubleshooting PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION Engine overheats. Engine load is excessive. Reduce ground speed. Oil level in crankcase is low. Add oil to crankcase. Cooling fins and air passages Remove obstruction from under engine blower housing cooling fins and air passages. are plugged.
- Page 67 Troubleshooting PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION Uneven cutting height. Blade(s) not sharp. Sharpen blade(s). Cutting blade(s) is/are bent. Install new cutting blade(s). Mower is not level. Level mower from side-to-side and front-to-rear. Gage wheel not set correctly. Adjust gage wheel height. Underside of mower is dirty.
- Page 68 What Is Covered By This Express Warranty? analysis of the defect in materials or workmanship or if you need a referral to a TORO ProLine Service Dealer, please feel free to The Toro Company promises to repair any TORO Product...