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Summary of Contents for Toro 74180
- Page 1 FORM NO. 3321-439 Z–320 OUT FRONT Z Traction Unit Model No. 74180 – 891200 & 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...
- Page 2 Read this manual carefully to learn how to operate and maintain your product correctly. Reading this All of us at Toro want you to be completely satisfied manual will help you and others avoid personal injury with your new product, so feel free to contact your and damage to the product.
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Page 3: Table Of Contents
Contents Page Page Driving Forward or Backward ..Safety ....... . . Stopping the Machine . -
Page 4: Safety
Safety General Operation Improper use or maintenance by the operator or owner can result in injury. To reduce the potential Read, understand, and follow all instructions in for injury, comply with these safety instructions the operator’s manual and on the machine before and always pay attention to the safety alert starting. - Page 5 Safety 14. Do not operate the machine while under the Keep all movement on slopes slow and gradual. influence of alcohol or drugs. Do not make sudden changes in speed or direction. 15. Watch for traffic when operating near or crossing roadways.
- Page 6 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.
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Page 7: Slope Chart
Safety Slope Chart Read all safety instructions on pages 2–4. -
Page 8: 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. ON INSTRUMENT PANEL (Part No. 98–4357) BELOW FRONT OF SEAT (Part No. -
Page 9: Gasoline And Oil
Gasoline and Oil Recommended Gasoline Stabilizer/Conditioner Use UNLEADED Regular Gasoline suitable for Add the correct amount of gas stabilizer/conditioner automotive use (85 pump octane minimum). Leaded to the gas. Using a stabilizer/conditioner in the regular gasoline may be used if unleaded regular is machine: not available. -
Page 10: Assembly
Bolt 3/8”–16 x 1–5/8” (41.5 MM) Locknut 3/8”–16 Pivot pin assembly Install mower attachment Hairpin cotter Safety Booklet Read before operating machine Operator’s Manual Engine Operator’s Manual Parts Catalog For ordering parts Registration card Fill out and return to Toro... -
Page 11: Install Castor Wheel
Assembly Install Castor Wheel IMPORTANT: Be careful not to damage the long vent tube when removing the battery box. Remove locknut, washers and axle bolt from fork (Fig. 1). Jack up rear of unit until castor fork is clear of skid. -
Page 12: Install Battery
Assembly Install Battery Leave the covers off and connect a 3 to 4 amp battery charger to the battery posts (Fig. 3). Charge the battery at a rate of 4 amperes or less Fill battery with electrolyte and charge, refer to for 4 hours (12 volts). -
Page 13: Install Drive Shaft
Assembly Install Drive Shaft Remove Drive Shaft Install the drive shaft only when ready to attach a mower deck to the traction unit. Secure universal joint to gearbox shaft with (2) POTENTIAL HAZARD 3/8”–16 x 1-5/8” (41.5 mm) bolts and 3/8”–16 If the drive shaft is attached to the tractor locknuts (Fig. -
Page 14: Operation
Operation Think Safety First Controls Please carefully read all the safety instructions on Become familiar with all the controls (Fig. 1) before pages 2–8. Knowing this information could help you, you start the engine and operate the machine. your family, pets or bystanders avoid injury. POTENTIAL HAZARD Loud sounds can cause ear damage and loss of hearing. -
Page 15: Parking Brake
Operation Parking Brake Always set the parking brake when you stop the machine or leave it unattended. Setting the Parking Brake Move the motion control levers to neutral (Fig. 1). Pull up on the parking brake lever to set the parking brake (Fig. -
Page 16: Starting And Stopping Engine
Operation Starting and Stopping Engine Starting Sit down on the seat and set the parking brake; refer to Setting the Parking Brake, page 13. Move the motion control levers to neutral. Move the PTO (power take off) to “OFF” m–2721 m–2719 (Fig. -
Page 17: Operating Power Take Off (Pto)
Operation Stopping Operating Power Take Off (PTO) Move the throttle lever to “SLOW” (Fig. 5). Set the parking brake. The power take off (PTO) switch engages and disengages power to the attachment clutch. Turn the ignition key to “OFF” (Fig. 6). Note: If the engine has been working hard or Engaging the Power Take Off (PTO) -
Page 18: The Safety Interlock System
Operation The Safety Interlock System Instruments Understanding the Safety Interlock Hour Meter System The hour meter records the number of hours the The safety interlock system is designed to prevent the engine has operated. It operates when the engine is engine from starting unless: running. -
Page 19: Driving Forward Or Backward
Operation Driving Forward or Backward The throttle control regulates the engine speed as measured in rpm (revolutions per minute). Place the throttle control in the “FAST” position for best attachment performance. Always operate in the full throttle position when operating attachments. Forward m–3288 Release the parking brake;... -
Page 20: Stopping The Machine
Operation Backward Positioning the Seat Release the parking brake; refer to Setting the The seat can move forward and backward. Position Parking Brake, page 13. the seat where you have the best control of the machine and are most comfortable. To go backward, slowly pull the motion control levers rearward (Fig. -
Page 21: Pushing The Machine By Hand
Operation Pushing the Machine by Hand IMPORTANT: Always push the machine by hand. Never tow the machine because hydraulic damage may occur. To Push the Machine Disengage the power take off (PTO) and turn the ignition key to “OFF” to stop the engine. Rotate pump by-pass valves counterclockwise 2 turns to push. -
Page 22: Maintenance
Maintenance Service Interval Chart Each Storage Service Operation Hours Hours Hours Hours Hours Service Hydraulic fluid–check level Initial Oil—check level Oil—change* Oil Filter–change (200 hours or every other oil change) Hydraulic filter–change Initial Safety System—check Chassis—grease* Drive Shaft—grease* PTO Gearbox–check level (change every 500 hours or six months) Foam Air Cleaner—service* Paper Air Cleaner—replace*... -
Page 23: Air Cleaner
Maintenance POTENTIAL HAZARD If you leave the key in the ignition switch, someone could start the engine. WHAT CAN HAPPEN Accidental starting of the engine could seriously injure you or other bystanders. HOW TO AVOID THE HAZARD Remove the key from the ignition switch and pull the wire(s) off the spark plug(s) before you do any maintenance. - Page 24 Maintenance Carefully slide the foam element off the paper element (Fig. 13). Unscrew the cover nut and remove the cover and paper element (Fig. 13). Cleaning the Foam and Paper Elements Foam Element A. Wash the foam element in liquid soap and warm water.
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Page 25: Engine Oil
Maintenance Engine Oil Checking Oil Level Park the machine on a level surface, disengage Change oil: the power take off (PTO) and turn the ignition key to “OFF” to stop the engine. Remove the After every 100 operating hours. key. Note: Change oil more frequently when Clean around the oil dipstick (Fig. - Page 26 Maintenance Changing/Draining Oil Change Oil Filter Start the engine and let it run five minutes. This Replace the oil filter every 200 hours or every other warms the oil so it drains better. oil change. Park the machine so that the drain side is slightly Note: Change oil filter more frequently when lower than the opposite side to assure the oil...
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Page 27: Spark Plug
Maintenance Spark Plug Checking the Spark Plug Look at the center of the spark plug(s) (Fig. 20). Check the spark plug(s) after every 200 operating If you see light brown or gray on the insulator, hours. Make sure the air gap between the center and the engine is operating properly. -
Page 28: Greasing And Lubrication
Maintenance Greasing and Lubrication Grease the fittings on drive shaft and universal joints (Fig. 6). Grease the castor wheel bearings and motion control lever pivots every 8 operating hours. Grease more frequently when operating conditions are extremely dusty or sandy. Grease Type: General-purpose grease. -
Page 29: Cleaning The Cooling Systems
Maintenance Fill oil as in steps 1 and 2. Install screen from rear and raise over oil cooler. Secure with previously removed hardware Note: Dispose of the used oil at a certified (Fig. 24). recycling center. Ñ Ñ Ñ Ñ Ñ Ñ Ñ Ñ Ñ... -
Page 30: 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 31: Hydraulic System
Maintenance Install the fuel line onto the fuel shut-off valve. Remove cap from filler neck and look inside to Slide the hose clamp close to the fuel shut-off check fluid level. Fluid level should be above the valve to secure the fuel line (Fig. 27). bottom of the screen (Fig. - Page 32 Maintenance Place drain pan under filter, remove the old filter and wipe the filter adapter gasket surface clean (Fig. 29). m–1256 Figure 30 1. Hydraulic filter 3. Adapter 2. Gasket m–3291 Figure 29 1. Hydraulic filter Bleeding Hydraulic System The traction system is self bleeding, however, it may Apply a thin coat hydro fluid to the rubber be necessary to bleed the system if fluid is changed or gasket on the replacement filter (Fig.
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Page 33: Adjusting Motion Controls
Maintenance Rotate control rod 1 turn, to lengthen rod, and tighten jam nuts (Fig. 31). IMPORTANT: Motion control lever must POTENTIAL HAZARD contact forward stop before pump contacts Hydraulic fluid escaping under pressure internal stop or pump damage may occur. can penetrate skin and cause injury. -
Page 34: Adjusting Mowing Speed Reference Position
Maintenance Adjusting Mowing Speed Reference Position The mowing speed reference position is a spring loaded stop that can be felt, as extra spring force, when pushing motion controls forward. The motion control levers return to this pre-set position when forward pressure is reduced. Below the pre-set speed the motion control levers remain in their placed location. -
Page 35: Replacing Power Take Off (Pto) Belts
Maintenance Replacing Power Take Off Install new PTO belts over clutch and route around gearbox pulleys and above spring loaded (PTO) Belts idler (Fig. 34). Hold spring loaded idler against belts and pull Check power take off (PTO) belts for wear after every spring down to install on lower bolt mount 50 hours of operation. -
Page 36: Replacing The Traction Belt
Maintenance Replacing the Traction Belt Fuse Service Interval/Specification Check traction drive belt for wear after every 50 hours of operation. The electrical system is protected by fuses. It requires Remove PTO belts; refer to Replacing Power no maintenance, however, if a fuse blows check Take Off (PTO) Belts. -
Page 37: Battery
Maintenance Battery IMPORTANT: Do not overfill the battery because electrolyte (sulfuric acid) can cause severe corrosion and damage to the chassis. Check the electrolyte level in the battery every 8 hours. Always keep the battery clean and fully Press the filler caps onto the battery. charged. -
Page 38: Wiring Diagram
Maintenance Wiring Diagram... -
Page 39: Hydraulic Diagram
Maintenance Hydraulic Diagram... -
Page 40: Cleaning And Storage
Maintenance Cleaning and Storage 10. 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 41: Troubleshooting
Troubleshooting PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION Starter does not crank Power take off (PTO) is Move power take off (PTO) to ENGAGED. DISENGAGED. Parking brake is not on. Set parking brake. Motion control levers are not Move motion control levers in neutral. - Page 42 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 44 Pickup and delivery charges for distances beyond a 15-mile radius from a TORO ProLine Service Dealer. TORO Products used for residential use are covered by a full two-year warranty. All repairs covered by this warranty must be performed by a TORO Service Dealer using Toro approved replacement parts.