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Toro 74201 Operator's Manual
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Toro 74201 Operator's Manual

Toro 74201 Operator's Manual

Z-master 250 series, z-255, traction unit
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FORM NO. 3319–786
Z–Master 250 Series
Z–255
Traction Unit
Model No. 74201–890001
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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  • Page 1 FORM NO. 3319–786 Z–Master 250 Series Z–255 Traction Unit Model No. 74201–890001 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 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.
  • Page 3 Contents Page Page Stopping the Machine ....Safety ....... . . Instruments .
  • Page 4 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.
  • Page 7 Safety Slope Chart Read all safety instructions on pages 2–4.
  • Page 9 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 10 Safety UNDER FOOTREST ON RUBBER FLAP (Part No. E633766) BEHIND SEAT (Part No. E513748) ONHYDRAULIC TANK (Part No. 65–2690) ON TOP OF RIGHT ENGINE BAFFLE (Part No. E633771) ON CONTROL PANEL (Part No. E633738)
  • Page 11 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 12 Flange nut 7/16–14 Chain assembly Strut rod Bolt 5/16–18 x 3/4” (19 mm) Install mower to traction unit Flange locknut 5/16–18 Spring–PTO Operator’s Manual Read before operating machine Engine Operator’s Manual Parts Catalog Fill out and return to Toro Registration card...
  • Page 13 Assembly Install Seat Retaining Rod Tire Pressure Tilt seat up. Remove 5/16” locknut from bolt Check the air pressure in the front and rear tires attaching seat retaining rod to seat frame (Fig. 2). (Fig. 1). Pressure: 13 psi (90 kPa) Remove retaining rod from seat and insert the ”L”...
  • Page 14 Assembly Install Motion Control Levers 13. If the ends of the levers hit against each other, while in the drive position (Fig 4) (levers rotated in as far as possible). Remove the (4) 3/8–16 x 1” (26 mm) bolts and (4) 3/8 spring washers which attach the motion 14.
  • Page 15 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 16 Assembly Install Battery Position battery in tray with terminal posts POTENTIAL HAZARD toward the engine (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 (+) battery terminal then negative battery cable...
  • Page 17 Assembly Install Power Take Off (PTO) When installing the mower the following assembly operations must also be completed. Spring Install Mower Mounts Install the PTO clutch spring. Hook one end around frame bolt, between washer and spacer (Fig 10). Stretch spring and hook other end to Attach left and right struts, with greases fitting the PTO idler arm.
  • Page 18 Operation Think Safety First Parking Brake Please carefully read all the safety instructions on Always set the parking brake when you stop the pages 2–8. Knowing this information could help you, machine or leave it unattended. your family, pets or bystanders avoid injury. Setting the Parking Brake Controls Move the motion control levers (Fig.
  • Page 19 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–3729 m–2719 Parking Brake, page 16. Figure 3 Figure 4 Move the PTO (power take off) to “OFF” 1.
  • Page 20 Operation Stopping Operating the Power Take Off (PTO) Move the throttle lever to “SLOW” (Fig. 5). Turn the ignition key to “OFF” (Fig. 6). The power take off (PTO) switch engages and disengages power to the electric clutch. Note: If the engine has been working hard or is hot, let it idle for a minute before turning the ignition key “OFF.”...
  • Page 21 Operation The Safety Interlock System Understanding the Safety Interlock System The safety interlock system is designed to prevent the engine from starting unless: You are sitting on the seat The parking brake is on “ENGAGED” The power take off (PTO) is disengaged “OFF” The motion control levers are in neutral The safety interlock system also is designed to stop the engine when the traction controls are moved with...
  • Page 22 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 23 Operation Instruments Fuel Tanks The unit has two fuel tanks, located on the left and Hour Meter right sides. Each tank connects to the fuel shut off valve in the control panel from there a common fuel The hour meter records the number of hours the line leads to the engine (Fig.
  • Page 24 Operation Adjusting Height-of-Cut Positioning the Seat The height-of-cut is adjusted from 1-1/2” to 5” The seat can move forward and backward. Position (38 to 127 mm) in 1/2” (13 mm) increments by the seat where you have the best control of the relocating clevis pin in different hole locations.
  • Page 25 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 the by-pass valves counterclockwise 1 turn to push.
  • Page 26 Maintenance Service Interval Chart Each Storage Service Operation Hours Hours Hours Hours Hours Service Hydraulic fluid–check level 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—replace* Spark Plug(s)—check Belts—check for wear/cracks...
  • Page 27 Maintenance Air Cleaner Carefully slide the foam element off the paper element (Fig. 14). Foam Element: Clean and re-oil after every 25 Unscrew the cover nut and remove the cover and operating hours. paper element (Fig. 14). Paper Element: Replace after every 100 operating hours.
  • Page 28 Maintenance Engine Oil A. Lightly tap the element on a flat surface to remove dust and dirt (Fig. 16). Change oil: B. Inspect the element for tears, an oily film, and damage to the rubber seal. After the first 5 operating hours. IMPORTANT: Never clean the paper element After every 100 operating hours.
  • Page 29 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 30 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 31 Maintenance Checking the Spark Plug Greasing and Lubrication Look at the center of the spark plug(s) (Fig. 21). Lubricate the machine when shown on the CHECK If you see light brown or gray on the insulator, SERVICE REFERENCE AID decal (Fig. 22). Grease the engine is operating properly.
  • Page 32 Maintenance Cleaning the Cooling Systems Fuel Filter Before each use, check and clean cooling screen. Replace the fuel filter after every 200 operating hours Remove any build–up of grass, dirt or other debris or yearly, whichever occurs first. from the oil cooler screen and engine air intake. Every 100 hours clean oil cooler, engine cylinder and Replacing the Fuel Filter cylinder head cooling fins.
  • Page 33 Maintenance Fuel Tank Pull the fuel line off fuel filter (Fig. 26). Open fuel shut-off valve and allow gasoline to drain into a gas can or drain pan. Draining The Fuel Tank Note: Now is the best time to install a new fuel filter because the fuel tank is empty.
  • Page 34 Maintenance Hydraulic System Checking the Hydraulic Fluid POTENTIAL HAZARD Hydraulic fluid escaping under pressure Check the hydraulic fluid level before engine is first can penetrate skin and cause injury. started and after every 25 operating hours. WHAT CAN HAPPEN Fluid Type: Mobil 1 15W–50 synthetic motor oil. Fluid accidentally injected into the skin must be surgically removed within a few IMPORTANT: Use only oil specified.
  • Page 35 Maintenance Place drain pan under filter, remove the old filter 10. Check fluid level in hydraulic tank and add to and wipe the filter adapter gasket surface clean raise level to cover bottom of screen. DO NOT (Fig. 28). OVER FILL. m–3291 m–1256 Figure 28...
  • Page 36 Maintenance Check Hydraulic Lines Adjusting Motion Controls After every 100 operating hours, check hydraulic If motion control levers do not align, or move easily lines and hoses for leaks, loose fittings, kinked lines, into the console notch, adjustment is required. Adjust loose mounting supports, wear, weather and chemical each lever, spring and rod separately.
  • Page 37 Maintenance Replacing the Pump Drive Belt This adjustment must be made with drive wheels turning. First raise the frame and block up so drive wheels can rotate freely. Check pump drive belt for wear after every 50 hours of operation. Start engine, open throttle 1/2 way and release parking brake.
  • Page 38 Maintenance Adjustment Parking Brake Fuse Service Interval/Specification Check parking brake for adjusted properly. Disengage brake lever (lever down). The electrical system is protected by fuses. It requires no maintenance, however, if a fuse blows check Measure the length of the spring. Measurement component/circuit for malfunction or short.
  • Page 39 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 25 hours. Always keep the battery clean and fully Press the filler caps onto the battery. charged.
  • Page 40 Maintenance Wiring Diagram...
  • Page 41 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 42 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 43 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.