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Toro 74170 Operator's Manual
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Toro 74170 Operator's Manual

Toro 74170 Operator's Manual

Compact series with 44” sfs side discharge mower
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FORM NO. 3321–676 Rev B
Z–Master
Compact Series
Z147
with 44" SFS Side
Discharge Mower
Model No. 74170–990001 & Up
Operator's Manual
IMPORTANT: Read this manual carefully. It contains information about your
safety and the safety of others. Also become familiar with the controls and
their proper use before you operate the product.

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Summary of Contents for Toro 74170

  • Page 1 Compact Series Z147 with 44” SFS Side Discharge Mower Model No. 74170–990001 & Up Operator’s Manual IMPORTANT: Read this manual carefully. It contains information about your safety and the safety of others. Also become familiar with the controls and their proper use before you operate the product.
  • 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...

  • Page 3: Table Of Contents

    Contents Page Page Adjusting Height-of-Cut ....Safety ....... . . Adjusting Anti-Scalp Rollers .

  • Page 4: Safety

    Safety This machine meets or exceeds CPSC blade safety Safe Operating Practices requirements for rotary mowers and the B71.4 1990 specifications of the American This product is capable of amputating hands and feet National Standards Institute, in effect at time of and throwing objects.
  • Page 5 Safety General Operation 16. Use extra care when loading or unloading the machine onto a trailer or truck. Read, understand, and follow all instructions in 17. Do not touch equipment or attachment parts the operator’s manual and on the machine before which may be hot from operation.
  • Page 6 Safety Slope Operation Check carefully for overhead clearances (i.e. branches, doorways, electrical wires) before Slopes are a major factor related to loss-of-control driving under any objects and do not contact and tip-over accidents, which can result in severe them. injury or death. All slopes require extra caution. If DO NOT you cannot back up the slope or if you feel uneasy on it, do not mow it.
  • Page 7 Safety Children Keep nuts and bolts tight, especially the blade attachment bolts. Keep equipment in good Tragic accidents can occur if the operator is not alert condition. to the presence of children. Children are often Never tamper with safety devices. Check safety attracted to the machine and the mowing activity.

  • Page 8: Slope Chart

    Safety Slope Chart Read all safety instructions on pages 3–5.
  • Page 9 Safety...

  • Page 10: 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 11 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 12 Safety 99–3943...

  • Page 13: 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 14: Stabilizer/Conditioner

    Gasoline and Oil Stabilizer/Conditioner Filling the Fuel Tank Add the correct amount of gas stabilizer/conditioner Shut the engine off and set the parking brake. to the gas. Using a stabilizer/conditioner in the Clean around each fuel tank cap and remove the machine: cap.

  • Page 15: 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 16: 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 bolts or nuts from rear wheel (Fig. 2). hubs. Remove retaining rod from seat and insert the Align holes.

  • Page 17: Install Motion Control Levers

    Assembly Install Motion Control Levers 12. 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 18: 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 19: Install Battery

    Assembly Install Battery Position battery in tray with terminal posts POTENTIAL HAZARD toward the left hand side of mower (Fig. 7). Charging battery produces gasses. Slide the red terminal boot onto the positive WHAT CAN HAPPEN (red) battery cable. Battery gasses can explode. HOW TO AVOID THE HAZARD Install the positive (red) battery cable to positive Keep cigarettes, sparks and flames away...

  • Page 20: Hydraulic System

    Assembly Hydraulic System Check the Leveling of Mower Deck Checking the Hydraulic Fluid Check the level of the deck before machine is first put Check the hydraulic fluid level before engine is first into use. started. Refer to Mower Leveling and Compression Spring Fluid Type: Mobil 1 15W–50 synthetic motor oil.

  • Page 21: Operation

    Operation Think Safety First Controls Please carefully read all the safety instructions on Become familiar with all the controls (Fig. 1) before pages 2–10. 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 22: Parking Brake

    Operation Parking Brake Releasing the Parking Brake Push forward and down on the parking brake Always set the parking brake when you stop the lever to release the parking brake (Fig. 2). The machine or leave it unattended. parking brake is “DISENGAGED”. IMPORTANT: Do not park on slopes unless wheels are chocked or blocked.

  • Page 23: Starting And Stopping The Engine

    Operation Starting and Stopping the Engine Starting Sit down on the seat and move the motion controls to neutral locked position. Set the parking brake; refer to Setting the m–4201 m–2719 Parking Brake, page 20. Figure 3 Figure 4 Move the PTO (power take off) to “OFF” 1.

  • Page 24: Operating The Power Take Off (Pto)

    Operation Stopping Operating the Power Take Off (PTO) Move the throttle lever to “SLOW” (Fig. 5). Move the PTO (power take off) to “OFF” The power take off (PTO) switch engages and (Fig. 3). disengages power to the electric clutch. Turn the ignition key to “OFF”...

  • Page 25: The Safety Interlock System

    Operation The Safety Interlock System Testing the Safety Interlock System Understanding the Safety Interlock System Test the safety interlock system before you use the machine each time. If the safety system does not The safety interlock system is designed to prevent the operate as described below, have an Authorized engine from starting unless: Service Dealer repair the safety system immediately.

  • Page 26: Driving Forward Or Backward

    Operation Driving Forward or Backward Backward Move levers to the center, un-locked position. The throttle control regulates the engine speed as measured in rpm (revolutions per minute). Place the To go backward, slowly pull the motion control throttle control in the “FAST” position for best levers rearward (Fig.

  • Page 27: Instruments

    Operation Instruments Fuel Tanks The unit has two fuel tanks, one located on the left Hour Meter side and one on the right side. Each tank connects to the fuel shut off valve in the control panel. From The hour meter records the number of hours the there a common fuel line leads to the engine (Fig.

  • Page 28: Adjusting Height-Of-Cut

    Operation Adjusting Height-of-Cut Adjusting Anti-Scalp Rollers The height-of-cut is adjusted from 1-1/2” to 4-1/2” Whenever you change the height-of-cut it is (38 to 114 mm) in 1/4” (6 mm) increments by recommended to adjust the height of the anti-scalp relocating clevis pin in different hole locations. rollers.

  • Page 29: Positioning The Seat

    Operation Center Rollers Positioning the Seat Disengage the power take off (PTO) and turn the The seat can move forward and backward. Position ignition key to “OFF”. Move controllers to the seat where you have the best control of the neutral locked position and apply parking brake.

  • Page 30: Pushing The Machine By Hand

    Operation Pushing the Machine by Hand Side Discharge IMPORTANT: Always push the machine by The mower has a hinged grass deflector that disperses hand. Never tow the machine because clippings to the side and down toward the turf. hydraulic damage may occur. To Push the Machine POTENTIAL HAZARD Disengage the power take off (PTO) and turn the...

  • Page 31: 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 32: Maintenance

    Maintenance Service Interval Chart Each Storage Service Operation Hours 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 33: 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 34 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 35 (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.

  • Page 36: Mower Leveling

    Maintenance Mower Leveling Note: When hardware is loose, deck will rotate the lift handle up out of position. Position mower on a flat surface. Stop the When hardware is loosened, remaining tension engine, set the parking brake, remove the key in the large support springs will tend to rotate the and disconnect the spark plug wire(s) from the deck lift handle up, out of the 1–1/2”...

  • Page 37: Greasing The Bearings

    Maintenance 12. Raise deck to 3 inch height of cut and measure Greasing the Bearings actual height from blade tips to ground. Height of cut for the front blade tips should be The cutting unit must be lubricated regularly. Refer to 3.00 .125 (76mm 3mm).

  • Page 38: Replacing The Grass Deflector

    Maintenance Replacing the Grass Deflector Tire Pressure Stop the engine, set the parking brake, remove Maintain the air pressure in the front and rear tires as the key and disconnect the spark plug wire(s) specified. Uneven tire pressure can cause uneven cut. from the spark plug(s).

  • Page 39: Replacing The Deck Belt

    Maintenance Replacing the Deck Belt Squealing when the belt is rotating, blades slipping POTENTIAL HAZARD when cutting grass, frayed belt edges, burn marks and Spring is under tension when installed. cracks are signs of a worn deck belt. Replace the deck WHAT CAN HAPPEN belt if any of these conditions are evident.

  • Page 40: Air Cleaner

    Maintenance Air Cleaner Carefully remove the foam element from the paper element (Fig. 29). Foam Element: Clean and re-oil after every 25 Unscrew the wing nut and remove the paper operating hours. element (Fig. 29). Paper Element: Clean after every 100 operating hours.

  • Page 41: Engine Oil

    Maintenance Paper Element Engine Oil A. Lightly tap the element on a flat surface to Change oil: remove dust and dirt (Fig. 31). After the first 8 operating hours. B. Inspect the element for tears, an oily film, and damage to the rubber seal. After every 100 operating hours.
  • Page 42 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”...

  • Page 43: 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 100 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 44: Greasing And Lubrication

    Maintenance Checking the Spark Plug Greasing and Lubrication Look at the center of the spark plug(s) (Fig. 36). Lubricate the machine when shown on the CHECK If you see light brown or gray on the insulator, SERVICE REFERENCE AID decal (Fig. 37). Grease the engine is operating properly.

  • Page 45: Cleaning The Cooling System

    Maintenance Grease Front Castor Pivots Lubricate the front castor pivots once a year. Remove hex plug and cap. Thread a grease zerk into hole. Pump grease into zerk until it oozes out around top beraring. Remove grease zerk in hole. Reinstall hex plug and cap.

  • Page 46: Fuel Filter

    Maintenance Fuel Filter Fuel Tank Draining The Fuel Tank Replace the fuel filter after every 200 operating hours or yearly, whichever occurs first. Replacing the Fuel Filter POTENTIAL HAZARD Never install a dirty filter if it is removed from the In certain conditions gasoline is extremely fuel line.

  • Page 47: Hydraulic System

    Maintenance Pull the fuel line off fuel filter (Fig. 40). Hydraulic System Open fuel shut-off valve for left and right tanks. Checking the Hydraulic Fluid Allow gasoline to drain into a gas can or drain pan. (Fig. 40). Check the hydraulic fluid level: Note: Now is the best time to install a new Before engine is first started.
  • Page 48 Maintenance POTENTIAL HAZARD Hydraulic fluid escaping under pressure can penetrate skin and cause injury. WHAT CAN HAPPEN Fluid accidentally injected into the skin must be surgically removed within a few hours by a doctor familiar with this form of injury or gangrene may result. m–4117 Figure 42 HOW TO AVOID THE HAZARD...
  • Page 49 Maintenance Start engine and let run for about two minutes to Check Hydraulic Lines purge air from the system. Stop the engine and After every 100 operating hours, check hydraulic check for leaks. If one or both wheels will not lines and hoses for leaks, loose fittings, kinked lines, drive, refer Bleeding Hydraulic System, page 47.

  • Page 50: Adjusting Motion Controls

    Maintenance Adjusting Motion Controls Apply slight rearward pressure on the motion control lever, turn the head of the adjustment bolt in the appropriate direction until lever is centered in neutral lock position (keeping Adjusting Handle Neutral rearward pressure on the lever will keep the pin If motion control levers do not align, or move easily at the end of the slot and allow the adjustment into the console notch, adjustment is required.
  • Page 51 Maintenance Adjusting Hydraulic Pump Neutral Note: Motion control lever must be in neutral while making any adjustments. Note: Adjust handle neutral first. That has to 15. Open throttle to fast. Make sure wheel remains be correct before the following stopped or slightly creeps in reverse, re-adjust if adjustment can be made.

  • Page 52: Replacing The Pump Drive Belt

    Maintenance Replacing the Pump Drive Belt Adjustment Parking Brake Check pump drive belt for wear after every 50 hours Check parking brake for proper adjustment. of operation. Disengage brake lever (lever down). Remove bolt from clutch strap and unplug clutch Measure the length of the spring.

  • Page 53: 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 54: 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 55: Wiring Diagram

    Maintenance Wiring Diagram...

  • Page 56: Cleaning And Storage

    Maintenance Cleaning and Storage For long-term storage (more than 90 days) add stabilizer/conditioner additive to fuel in the tank (1 oz. per gallon). Disengage the power take off (PTO), set the parking brake and turn the ignition key to “OFF” A.

  • Page 57: Troubleshooting

    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 58 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 59 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 60: Warranty

    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...

This manual is also suitable for:

Z147 z-master

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