FORM NO. 3319–419 Z–325 OUT FRONT Z Traction Unit Model No. 74182 – 790001 & 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.
Introduction Thank you for purchasing a Toro product. All of us at Toro want you to be completely satisfied with your new product, so feel free to contact your local Authorized Service Dealer for help with service, genuine replacement parts, or other information you may require. Whenever you contact your Authorized Service Dealer or the factory, always know the model and serial numbers of your product.
Contents Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Safe Operating Practices . . . . . . . . . . . . . . Slope Chart . . . . . . . . . . . . . . . . . . . . . . . . . Safety and Instruction Decals . . . . . . . . . . . Gasoline and Oil . . . . . . . . . . . . . . . . . . . . . . . . Recommended Gasoline . . . . . . . . . . . . . . . Stabilizer/Conditioner . . . . . . . . . . . . . . . . Filling the Fuel Tank . . . . . . . . . . . . . . . . . Check Engine Oil Level . . . . . . .
Safety Improper use or maintenance by the operator or owner can result in injury. To reduce the potential for injury, comply with these safety instructions and always pay attention to the safety alert symbol, which means CAUTION, WARNING, or DANGER—“personal safety instruction.” Failure to comply with the instruction may result in personal injury or death. General Operation 1. Read, understand, and follow all instructions in the operator’s manual and on the machine before starting. 2.
Safety 14. Do not operate the machine while under the influence of alcohol or drugs. 15. Watch for traffic when operating near or crossing roadways. 16. Use extra care when loading or unloading the machine onto a trailer or truck. 17. Do not touch equipment or attachment parts which may be hot from operation. Allow to cool before attempting to maintain, adjust or service. 18. Wear seat belt when operating a machine with ROPS (roll over protection). • Keep all movement on slopes slow and gradual.
Safety Children Tragic accidents can occur if the operator is not alert to the presence of children. Children are often attracted to the machine and the mowing activity. Never assume that children will remain where you last saw them. The following requirements must be followed to prevent injury to children. 1. Keep children out of the mowing area and under the watchful care of another responsible adult. 2. Be alert and turn the machine off if children enter the area. 3.
Safety Slope Chart Read all safety instructions on pages 2–4.
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. 98–0753) BELOW FRONT OF SEAT (Part No. 98–1313) 6 UNDER SEAT PAN ON RIGHT FRAME AND REAR OF SEAT PAN (Part No. 77–3100) ON FRONT FRAME MEMBER (Part No. 77–3100) ON REAR FRAME MEMBER AND CLUTCH GUARD (Part No. 93–9198) ON UTILITY BOX LATCH (Part No.
Gasoline and Oil Recommended Gasoline Stabilizer/Conditioner Use UNLEADED Regular Gasoline suitable for automotive use (85 pump octane minimum). Leaded regular gasoline may be used if unleaded regular is not available. Add the correct amount of gas stabilizer/conditioner to the gas. Using a stabilizer/conditioner in the machine: IMPORTANT: Never use methanol, gasoline containing methanol, or gasohol containing more than 10% ethanol because the fuel system could be damaged. Do not mix oil with gasoline.
Assembly Loose Parts Note: Use the chart below to verify all parts have been shipped. DESCRIPTION 8 QTY.
Assembly Install Drive Wheels Install Castor Wheel 1. Jack up front of unit and remove lug nuts from studs (Fig. 1). 1. Remove nuts, washers, spacer and axle shaft from fork (Fig. 2). 2. Install drive wheels onto studs and secure with previously removed 1/2–13 lug nuts (Fig. 1). 2. Jack up rear of unit and install rear wheel into castor fork (Fig. 2). 3. Torque lug nuts to 75 ft–lb (101 N m). 3. Place wheel between fork and slide axle through bearings (Fig. 2). 4. Secure axle with 5.
Assembly Install Seat 1. Tip seat pan up and position seat over slots (Fig. 3). 2. Secure with 5/16” lock washer, 5/16” washer and 5/16–18 x 3/4” (19 mm) bolt, through from the bottom (Fig. 3). 3. Connect seat switch lead to wire harness terminal (Fig. 3). 4. Slide to comfortable operating position and tighten bolts. m–3221 Figure 3 1. Seat switch lead 2. Washer 5/16” (8 mm) 3. Lock washer 5/16” (8 mm) 10 4. Bolt 5/16–18 x 3/4” (19mm) 5.
Assembly Activate the Battery 1 Bulk electrolyte with 1.260 specific gravity must be purchased from a local battery supply outlet. 1. Remove the battery from the machine. IMPORTANT: Be careful not to damage the long vent tube when removing the battery box. 2 3 m–1262 1. Filler caps 2. Electrolyte WHAT CAN HAPPEN 3. • If you carelessly drink electrolyte you could die or if it gets onto your skin you will be burned.
Assembly Install Battery 1. Fill battery with electrolyte and charge, refer to BATTERY, page 34. WHAT CAN HAPPEN • Battery gasses can explode. 2. Position battery in tray with terminal posts toward the engine (Fig. 6). HOW TO AVOID THE HAZARD 3. Slide the red terminal boot onto the red battery cable. 4. Install the positive (red) battery cable to positive (+) battery terminal then negative battery cable to the negative (–) battery terminal.
Operation Think Safety First Parking Brake Please carefully read all the safety instructions on pages 2–8. Knowing this information could help you, your family, pets or bystanders avoid injury. Always set the parking brake when you stop the machine or leave it unattended. Setting the Parking Brake Controls 1. Move the motion control levers to the neutral (Fig. 1). Become familiar with all the controls (Fig. 1) before you start the engine and operate the machine. 2.
Operation Starting and Stopping Engine 2 1 Starting 1. Sit down on the seat and set the parking brake; refer to Setting the Parking Brake, page 13. 2. Move the motion control levers to neutral. 3. Move the PTO (power take off) to “OFF” (Fig. 3). 4. Move the throttle control midway between “SLOW” and “FAST” positions before starting a cold engine. 5. Move the choke control to “ON” position before starting a cold engine. Note: 6. A warm or hot engine may require choking.
Operation Stopping 1. Move the throttle lever to “SLOW” (Fig. 5). 2. Set the parking brake. 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 turning the ignition key “OFF.” This helps cool the engine before it is stopped. In an emergency, the engine may be stopped by turning the ignition key to “OFF.” 4. Pull wire off spark plug(s) to prevent possibility of accidental starting before transporting or storing machine. 5.
Operation Operating Power Take Off (PTO) The Safety Interlock System Understanding the Safety Interlock System The power take off (PTO) switch engages and disengages power to the attachment clutch. The safety interlock system is designed to prevent the engine from starting unless: Engaging the Power Take Off (PTO) • The parking brake is “SET” 1. Move motion control levers to neutral to stop the machine. • The power take off (PTO) is disengaged “OFF” 2.
Operation Instruments Hour Meter The hour meter records the number of hours the engine has operated. It operates when the engine is running. Use these times for scheduling regular maintenance. 1 m–2717 Figure 8 1.
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 performance. Always operate in the full throttle position 1. Release the parking brake; refer to Setting the Parking Brake, page 13. 2. To go forward, slowly push the motion control levers forward (Fig. 9). Engine will kill if motion control levers are moved with parking brake engaged.
Operation Positioning the Seat Pushing the Machine by Hand The seat can move forward and backward. Position the seat where you have the best control of the machine and are most comfortable. 1. To adjust, tip seat forward and loosen the seat mounting bolts (Fig. 10). 2. Slide the seat to the desired position in the adjusting slots and tighten the mounting bolts. IMPORTANT: Always push the machine by hand. Never tow the machine because hydraulic damage may occur. To Push the Machine 1.
Maintenance Service Interval Chart Service Operation Each Use 8 Hours Hydraulic fluid–check level Initial X Oil—check level 25 Hours 50 Hours 100 Hours X Initial X Oil Filter–change (200 hours or every other oil change) Hydraulic filter–change Initial X X X X X X Chassis—grease* X X X PTO Gearbox–check level (change every 500 hours or six months) X Foam Air Cleaner—service* X X X Paper Air Cleaner—replace* X Spark Plug(s)—check X X Belts—check for wear/cracks X X X Hydraul
Maintenance Air Cleaner 3. Carefully slide the foam element off the paper element (Fig. 12). Foam Element: Clean and re-oil after every 25 operating hours. 4. Unscrew the cover nut and remove the cover and paper element (Fig. 12). Paper Element: Replace after every 100 operating hours. Note: Service the air cleaner more frequently (every few hours) if operating conditions are extremely dusty or sandy. Removing the Foam and Paper Elements 1. 2. Cleaning the Foam and Paper Elements 1.
Maintenance 2. Paper Element Engine Oil A. Lightly tap the element on a flat surface to remove dust and dirt (Fig. 14). Change oil: B. Inspect the element for tears, an oily film, and damage to the rubber seal. IMPORTANT: Never clean the paper element with pressurized air or liquids, such as solvent, gas, or kerosene. Replace the paper element if it is damaged, defective, or cannot be cleaned thoroughly. • After the first 5 operating hours. • After every 100 operating hours.
Maintenance Checking Oil Level Changing/Draining Oil 1. 1. Start the engine and let it run five minutes. This warms the oil so it drains better. 2. Park the machine so that the drain side is slightly lower than the opposite side to assure the oil drains completely. Then disengage the power take off (PTO), set the parking brake, and turn the ignition key to “OFF” to stop the engine. Remove the key. 3. Place a pan below the oil drain. Remove the oil drain cap (Fig. 16). 4.
Maintenance Change Oil Filter Spark Plug Replace the oil filter every 200 hours or every other oil change. Note: 1. Change oil filter more frequently when operating conditions are extremely dusty or sandy. Drain the oil from the engine; refer to Changing/Draining Oil, page 23. Check the spark plug(s) after every 200 operating hours. Make sure the air gap between the center and side electrodes is correct before installing the spark plug.
Maintenance Checking the Spark Plug 1. Greasing and Lubrication Look at the center of the spark plug(s) (Fig. 19). If you see light brown or gray on the insulator, the engine is operating properly. A black coating on the insulator usually means the air cleaner is dirty. IMPORTANT: Never clean the spark plug(s). Always replace the spark plug(s) when it has: a black coating, worn electrodes, an oily film, or cracks. 2.
Maintenance Lubricate Power Take Off (PTO) Gearbox Check the oil level in the PTO gearbox every 50 operating hours. Change the oil every 500 hours or six months, whichever occurs first. Oil Type: SAE EP-80\90 wt. gear oil Capacity: 16 oz. (377 ml) 1. Clean area around top and side plugs of the PTO gearbox. Remove side plug of the gearbox and check the level of lubrication in the gearbox. 2. If level is low, remove top plug and add until level is up to side plug in gearbox. (Fig. 21). 3.
Maintenance Tire Pressure Fuel Filter Maintain the air pressure in the front and rear tires as specified. Uneven tire pressure can cause uneven cut. Check the pressure at the valve stem after every 50 operating hours or monthly, whichever occurs first (Fig. 23). Check the tires when they are cold to get the most accurate pressure reading. Replace the fuel filter after every 200 operating hours or yearly, whichever occurs first. Pressure: 20 psi (83 kPa) drive wheels and 6 psi (41 kPa) castor wheel.
Maintenance Fuel Tank 4. Draining The Fuel Tank Pull the fuel line off fuel shut-off valve (Fig. 25). Open fuel shut-off valve and allow gasoline to drain into a gas can or drain pan. Note: POTENTIAL HAZARD • In certain conditions gasoline is extremely flammable and highly explosive. 5. Install the fuel line onto the fuel shut-off valve. Slide the hose clamp close to the fuel shut-off valve to secure the fuel line (Fig. 25).
Maintenance Replacing the Hydraulic Filter Hydraulic System Change the hydraulic filter: Checking the Hydraulic Fluid Check the hydraulic fluid level before engine is first started and after every 8 operating hours. Fluid Type: Mobil Fluid 424 (ISO 46) or equivalent anti–wear hydraulic fluid. • After the first 8 operating hours. • After every 200 operating hours. 1. Position machine on a level surface, stop the engine, and remove key from ignition switch.
Maintenance Bleeding Hydraulic System 4. Apply a thin coat hydro fluid to the rubber gasket on the replacement filter (Fig. 28). 5. Install replacement hydraulic filter onto the filter adapter. Do not tighten. The traction system is self bleeding, however, it may be necessary to bleed the system if fluid is changed or after work is performed on the system. 6. Remove plastic bag from tank opening and allow filter to fill with hydro fluid. 1.
Maintenance Adjusting Motion Controls If motion control levers do not align, adjustment is required. Adjust each rod separately. 1. Loosen jam nuts on pump control rod (Fig. 29). 2. Push and firmly hold motion control lever against forward stop (Fig. 29). 3. Rotate pump control rod until pump control plate is in the full forward position (Fig. 29). Motion control lever will lift off forward stop. 4.
Maintenance 5. 6. 7. Install new belts over clutch. Align clutch hub key with crankshaft keyway and notch with stop bracket. Slide clutch onto crankshaft (Fig. 31). Apply Loctite (blue) thread lock to threads and install washer and bolt securing clutch. Torque clutch mounting bolt to 50–60 ft–lb. (68–81 N m). 8. Route belts around clutch and gearbox pulleys and above spring loaded idler (Fig. 31). 9. Hold spring loaded idler against belts and pull spring down to install on lower bolt mount (Fig. 30).
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 F1–30 amp, blade-type Alternator F2–25 amp, blade-type Safety Interlock and Clutch F3–15 amp, blade-type 1. Remove dash panel screws to gain access to fuse holder (Fig. 33). 2. To replace fuses pull out on the fuse to remove it (Fig. 33). 4 3 2 1 m–3223 Figure 33 1. Main-30 amp 2.
Maintenance Battery Check the electrolyte level in the battery every 8 hours. Always keep the battery clean and fully charged. Use a paper towel to clean the battery case. If the battery terminals are corroded, clean them with a solution of four parts water and one part baking soda. Apply a light coating of grease to the battery terminals to prevent corrosion. IMPORTANT: Do not overfill the battery because electrolyte (sulfuric acid) can cause severe corrosion and damage to the chassis. 4.
" # # " ! " # # # " ! " " # # # # " " " " " "
36 Maintenance Hydraulic Diagram
Maintenance Cleaning and Storage 1. 2. Disengage the power take off (PTO), set the parking brake and turn the ignition key to “OFF” to stop the engine. Remove the key. Remove grass clippings, dirt, and grime from the external parts of the entire machine, especially the engine. Clean dirt and chaff from the outside of the engine’s cylinder head fins and blower housing. IMPORTANT: You can wash the machine with mild detergent and water. Do not pressure wash the machine.
Troubleshooting PROBLEM Starter does not crank Engine g will not start,, starts hard,, or f il to keep fails k running. i Engine g loses power. 38 POSSIBLE CAUSES CORRECTIVE ACTION 1. Power take off (PTO) is ENGAGED. 1. Move power take off (PTO) to DISENGAGED. 2. Parking brake is not on. 2. Set parking brake. 3. Motion control levers are not in neutral. neutral 3. Move motion control levers into neutral. neutral 4. Battery is dead. 4. Charge the battery. 5.
Troubleshooting PROBLEM Engine g overheats. Abnormal vibration. Machine does not drive. POSSIBLE CAUSES CORRECTIVE ACTION 1. Engine load is excessive. 1. Reduce ground speed. 2. Oil level in crankcase is low. 2. Add oil to crankcase. 3. Cooling fins and air passages under engine blower housing are plugged. 3. Remove obstruction from cooling fins and air passages. 1. Engine mounting bolts are loose. 1. Tighten engine mounting bolts. 2.
+ # % ## %* (!+ # & ## %* !# $ % $ What Is Covered By This Express Warranty? What Must You Do To Keep The Warranty In Effect? The Toro Company promises to repair any TORO Product used for commercial, institutional, or rental purposes if defective in materials or workmanship for a period of one year from the date of purchase. The cost of parts and labor are included, but the customer pays the transportation cost.