Form No. 3353-203 Rev C ZX480 TimeCutter) ZX Riding Mower Model No. 74704—Serial No. 250000001 and Up Operator’s Manual Register your product at www.Toro.
Warning Driving Forward or Backward . . . . . . . . . . . . . . . . Stopping the Machine . . . . . . . . . . . . . . . . . . . . . . Adjusting the Height of Cut . . . . . . . . . . . . . . . . . . Adjusting the Anti-Scalp Rollers . . . . . . . . . . . . . . Positioning the Seat . . . . . . . . . . . . . . . . . . . . . . . . Adjusting the Motion Control Levers . . . . . . . . . . Pushing the Machine by Hand . . . . . . . . . . . . . . . . Side Discharge . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety serial numbers of your product ready. Figure 1 illustrates the location of the model and serial numbers on the product. This machine meets or exceeds the B71.1–2003 specifications of the American National Standards Institute, in effect at the time of production. However, improper use or maintenance by the operator or owner can result in injury.
• Turn off blades when not mowing. Stop the engine and what for all parts to come to a complete stop before cleaning the machine, removing the grass catcher or unclogging the discharge chute. • Be aware that loss of traction may occur going downhill. Weight transfer to the front wheels may cause drive wheels to slip and cause loss of braking and steering. • Operate the machine only in daylight or good artificial light. • Always avoid sudden starting or stopping on a slope.
• Never allow children or others in or on towed equipment. • Never make any adjustments or repairs with the engine running. • On slopes, the weight of towed equipment may cause a loss of traction and control. Towing on slopes is not recommended. • Grass catcher components are subject to wear, damage and deterioration, which could expose moving parts or allow objects to be thrown. Frequently check components and replace with manufacturer’s recommended parts, when necessary.
Slope Chart 7
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. Note: If needed, a Decal Kit, 107-2493, and French manual are available. Order the Decal Kit from the Toro Parts Department and the French manual from either the Toro Parts Department or online at www.toro.com. Battery Symbols Some or all of these symbols are on your battery. 1. Explosion hazard 2.
98-3798 104-3641 1. Height of cut 108-2338 1. 2. 3. 4. Choke Throttle Fast Continuous variable setting 5. Slow 6. On 7. 8. 9. 10. 11. 12. Off Headlights Engine—stop Engine—run Engine—start Ignition 104-8032 1. Height of cut Manufacturers Mark 1. Indicates the blade is identified as a part from the original machine manufacturer. 99-3943 1.
107-2473 107-7399 11
Gasoline and Oil Recommended Gasoline Warning Use UNLEADED Regular Gasoline suitable for automotive use (87 pump octane minimum). Leaded regular gasoline may be used if unleaded regular is not available. Gasoline is harmful or fatal if swallowed. Long–term exposure to vapors can cause serious injury and illness. 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.
Operation Controls Become familiar with all of the controls (Fig. 3 and 4) before you start the engine and operate the machine. Note: Determine the left and right sides of the machine from the normal operating position. 3 Think Safety First 5 2 Please carefully read all of the safety instructions and decals in the safety section. Knowing this information could help you, your family, pets or bystanders avoid injury. Danger Mowing on wet grass or steep slopes can cause sliding and loss of control.
Using the Parking Brake 4. Move the PTO (power take off) to Off (Fig. 6). Always set the parking brake when you stop the machine or leave it unattended. 2 1 Setting the Parking Brake 1. Move the motion control levers (Fig. 4) out to the neutral lock position. m–4201 Figure 6 2. Pull back and up on the parking brake lever to set the parking brake (Fig. 5). The parking brake lever should stay firmly in the Engaged position. 1.
The Safety Interlock System 2 1 3 4 Caution If safety interlock switches are disconnected or damaged the machine could operate unexpectedly causing personal injury. m–4268 Figure 8 1. Off 2. Run 3. Start 4. Ignition • Do not tamper with the interlock switches. • Check the operation of the interlock switches daily and replace any damaged switches before operating the machine. Stopping Understanding the Safety Interlock System 1. Move the throttle lever to Slow (Fig. 7). 2.
Driving Forward or Backward 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. Move the levers to the center, unlocked position. 2. To go backward, slowly pull the motion control levers rearward (Fig. 10). To go straight, apply equal pressure to both motion control levers (Fig. 10).
1 2 1 4 3 3 2 5 m–4167 Figure 12 m-3654 Figure 11 1. Height-of-cut lever 2. Clevis pin 1. Gage wheel 2. Stud 3. Washer 3. Hairpin cotter 4. Nut 5. Wheel nut and washer. Do not remove. 5. Lower the height-of-cut lever onto the clevis pin. 4. Select a hole so that the gage wheel is positioned to the nearest corresponding height-of-cut desired (Fig. 12). Adjusting the Anti-Scalp Rollers 5. Install the stud nut and washer (Fig. 12).
Adjusting the Motion Control Levers The motion control levers can be adjusted higher or lower for maximum operator comfort. 1. Remove the 2 screws and curved washers holding the control lever to the control arm shaft (Fig. 14). 2. Move the control lever to the next set of holes. Secure the lever with the 2 screws and curved washers. The cupped side of the washer should be toward the control arm shaft (Fig. 14). 2 1 m–5139 Figure 15 3. Repeat the adjustment on the other control lever. 1.
Tips for Mowing Grass Long Grass Fast Throttle Setting If the grass is ever allowed to grow slightly longer than normal, or if it contains a high degree of moisture, raise the cutting height higher than usual and cut the grass at this setting. Then cut the grass again using the lower, normal setting. For best mowing and maximum air circulation, operate the engine at Fast.
Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Recommended Maintenance Schedule Maintenance Service Interval Each use After first 5 hours Maintenance Procedure • Check the engine oil level. • Check the safety system. • Clean the mower housing. • Change the engine oil. Every 5 hours • Check the cutting blades. Every 25 hours • • • • • • Every 50 hours • Change the engine oil.2 • Replace air cleaner cartridge.
Servicing the Engine Oil 2 1 Check the oil level daily or after every 8 hours. Change the oil after the first 5 operating hours and every 50 operating hours thereafter. Oil Type: Detergent oil (API service SF, SG, SH, SJ, or higher) Crankcase Capacity: 1868 Figure 17 • 60 oz./1-7/8 qt. (1.8 l) when the filter is not changed; • 64 oz./2 qt. (1.9 l) when the filter is changed 1. Oil dipstick 2. Metal end Viscosity: See the table below. 4. Screw the oil dipstick fully onto the fill hole.
4. Install the replacement oil filter to the filter adapter. Turn the oil filter clockwise until the rubber gasket contacts the filter adapter; then tighten the filter an additional 1/2 to 3/4 turn (Fig. 19). 5. Fill the crankcase with the proper type of new oil; refer to Changing and Draining the Oil, page 21. 2 1 Servicing the Air Cleaner m–6438 Foam Element: Clean after every 25 operating hours, or yearly, whichever occurs first. Figure 18 1.
4. Carefully remove the air cleaner assembly and foam element from the housing. 2. Align the tabs on the air cleaner cover with the slots of the housing (Fig. 22). Move the cover into place and secure it with the knobs removed previously. 1 1 2 2 4 Figure 21 1. Paper element 2. Foam element Cleaning the Foam Element 3 1. Wash the foam element in liquid soap and warm water. When the element is clean, rinse it thoroughly (Fig. 21). 5 2. Dry the element by squeezing it in a clean cloth.
2. Pull the wire off of the spark plug (Fig. 23 and 24). Clean around the spark plug to prevent dirt from falling into the engine and potentially causing damage. 2 3 1 0.030 inch (0.76 mm) m–3215 Figure 25 1 1. Center electrode insulator 2. Side electrode m–8162 3. Air gap (not to scale) Figure 23 1. Spark plug and wire Installing the Spark Plug 1. Install the spark plug. Make sure that the air gap is set correctly. 2. Tighten the spark plug to 30 ft-lb (41 N⋅m). 3.
Before Inspecting or Servicing the Blades 3. Measure from a level surface to the cutting edge of the blades at the same position as in step 1. The difference between the dimensions obtained in steps 1 and 2 must not exceed 1/8 inch (3 mm). If this dimension exceeds 1/8 inch (3 mm), the blade is bent and must be replaced. Refer to Removing the Blades, and Installing the Blades on page 25. Park the machine on a level surface, disengage the PTO, and move the motion control levers to the brake position.
Sharpening the Blades 2. Move the motion control levers to the brake position, stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 1. Use a file to sharpen the cutting edge at both ends of the blade (Fig. 29). Maintain the original angle. The blade retains its balance if the same amount of material is removed from both cutting edges. 3. Clean the grease fittings with a rag. Make sure to scrape any paint off of the front of the fitting(s). 4.
6. Remove the battery hold-down (Fig. 32) and lift the battery from the battery tray. 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. 6 4 Voltage: 12 v 5 7 Removing the Battery 2 Warning Battery terminals or metal tools could short against metal tractor components causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury.
Checking the Electrolyte Level 4. Slowly pour distilled water into each battery cell until the electrolyte level is up to the Upper line (Fig. 33) on the battery case. Danger Important Do not overfill the battery because electrolyte (sulfuric acid) can cause severe corrosion and damage to the chassis. Battery electrolyte contains sulfuric acid which is a deadly poison and causes severe burns. 5. Wait five to ten minutes after filling the battery cells.
Draining the Fuel Tank Replacing the Fuel Filter Replace the fuel filter after every 100 operating hours or yearly, whichever occurs first. Danger Never install a dirty filter if it is removed from the fuel line. In certain conditions, gasoline is extremely flammable and highly explosive. A fire or explosion from gasoline can burn you and others and can damage property. 1. Park the machine on a level surface and disengage the blade control (PTO). 2.
2. Disengage the PTO and move the control levers to the neutral locked position and apply the parking brake. 2 3. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 4. Check the air pressure of all four tires. If needed, adjust to the recommended inflation; refer to Tire Pressure, page 29. 4 3 5. Set the height-of-cut at 3 inch (76 mm). 1 6. Carefully rotate the blade(s) from side to side (Fig. 37).
9. To adjust the front-to-rear blade slope, remove the hairpin cotter from the front trunion yokes and loosen the jam nuts (Fig. 41). 11-1/2 inch (29.2 cm) 3 3 2 1 4 m–5177 1 Figure 39 1. Rear trunion rod 2. Clevis pin and cotter pin 2 3. Jam nut 4. Yoke Figure 41 1. Front trunion rod yoke 2. Hairpin cotter 7. Set the height-of-cut at 3 inch (76 mm) and carefully rotate the blades so they are facing front to rear (Fig. 40). 11.
3. Set the height-of-cut at 1-1/2 inch (38 mm). 5 4. Remove the belt covers over the outside spindles. 1 1 5. Pull the idler pulley in the direction shown in Figure 42 and roll the belt off of the pulleys. 3 Note: Do not remove the spring. Caution The spring is under tension when installed and can cause personal injury. 3 Do not remove the spring from the spring eye bolt. 6. Route the new belt through the idler arm and around the idler pulley (Fig. 42). 2 7.
6. Attach the rear trunion rod to the tractor with the clevis pin and hairpin cotter (Fig. 44) on each side of the mower. 2 7. Slide the leveling brackets onto the mounting pins and secure them with the washers and hairpin cotters (Fig. 44). 1 8. Attach the front trunion rods to the tractor with the clevis pins and hairpin cotters (Fig. 43). m–5178 Figure 43 1. Hairpin cotter and clevis pin 9. Install the mower belt onto the engine pulley; refer to Replacing the Mower Belt, page 31. 2.
Washing the Underside of the Mower Warning A broken or missing washout fitting could expose you and others to thrown objects or blade contact. Contact with blade or thrown debris contact will cause injury or death. After each use, wash the underside of the mower to prevent grass buildup, for improved mulch action, and clipping dispersal. 1. Park the machine on a hard level surface. • Replace broken or missing washout fitting 2.
1 3 2 7 4 6 5 m–8126 Figure 47 1. Mower bracket 2. Spring, hooked ends down 3. Spacer 4. Grass deflector 5. Bolt 6. Locknut 2. Align the grass deflector with the holes in the brackets and the spring and spacer straight ends in the space between the brackets and above the deflector (Fig. 47). 3. Place the spring and spacer so that the hooked ends of the spring are pointing down, with one end contacting on the mower deck and the other over the deflector (Fig. 47). 4.
Wiring Diagram SW1 (IGNITION) KEY SWITCH PN 88–9830 WIRE COLOR CODES Y BLACK PK PINK BN BROWN R RED BU BLUE T TAN GN GREEN VIO VIOLET BK I X S B OFF ON START A NO CONNECTION BIA AND X Y BIS X GY GREY W WHITE OR ORANGE Y YELLOW PK BU OR R I Y VIO S TERMINAL VIEW FROM BACK OF SWITCH B A SW2 F1 30A KEY SW F2 VIO 1 ALTERNATOR PK 2 FUEL SOLENOID W 1 25A 4 (PTO) 1 BN 7 PK SHOWN IN OFF POSITION MAGNETO OR Y F3 GY 10A SW3 (BRAKE) SHOWN WITH PARK B
Cleaning and Storage crank the engine and distribute the oil inside the cylinder. Install the spark plug(s). Do not install the wire on the spark plug(s). 1. Disengage the PTO, set the parking brake, stop the engine, and remove the key. 12. Clean any dirt and chaff from the top of the mower. 2. 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 cylinder head fins and blower housing. 13.
Troubleshooting Problem The engine g overheats. The starter does not crank. The engine g will not start, starts h d or fails hard, f il to t keep k running. i Possible Causes Corrective Action 1. The engine load is excessive. 1. Reduce ground speed. 2. The oil level in the crankcase is low. 2. Add oil to the crankcase. 3. The cooling fins and air passages under the engine blower housing are plugged. 3. Remove the obstruction from the cooling fins and air passages. 4. The air cleaner is dirty. 4.
Problem The engine g loses power. p The machine does not drive. There is abnormal vibration. Uneven cutting g height. g Possible Causes Corrective Action 1. The engine load is excessive. 1. Reduce ground speed. 2. The air cleaner is dirty. 2. Clean the air cleaner element. 3. The oil level in the crankcase is low. 3. Add oil to the crankcase. 4. The cooling fins and air passages under the engine blower housing are plugged. 4. Remove the obstruction from the cooling fins and air passages. 5.
Problem The blades do not rotate. Possible Causes Corrective Action 1. The drive belt is worn, loose or broken. 1. Install a new drive belt. 2. The drive belt is off of the pulley. 2. Install the drive belt and check the adjusting shafts and belt guides for the correct position. 3. The mower belt is worn, loose, or broken. 3. Install a new mower belt.
Consumer TimeCutter ZX The Toro Total Coverage Guarantee A Three-Year Full Warranty (Limited Warranty for Commercial Use) Conditions and Products Covered Owner Responsibilities The Toro Company and its affiliate, Toro Warranty Company, pursuant to an agreement between them, jointly promise to repair any Toro product used for normal residential purposes* if defective in materials or workmanship.
