Form No. 3435-701 Rev B 96in Air Cool Z Master® Professional Riding Mower Model No. 74090—Serial No. 400000000 and Up Register at www.Toro.com.
It is a violation of California Public Resource Code Section 4442 or 4443 to use or operate the engine on any forest-covered, brush-covered, or grass-covered land unless the engine is equipped with a spark arrester, as defined in Section 4442, maintained in effective working order or the engine is constructed, equipped, and maintained for the prevention of fire.
Introduction This rotary-blade, riding lawn mower is intended to be used by professional, hired operators. It is designed primarily for cutting grass on well-maintained lawns on residential or commercial properties. Using this product for purposes other than its intended use could prove dangerous to you and bystanders. Read this information carefully to learn how to operate and maintain your product properly and to avoid injury and product damage.
Contents Checking the Fuel Lines and Connections.................................................. 46 Electrical System Maintenance ........................... 46 Electrical System Safety ................................... 46 Servicing the Battery......................................... 46 Servicing the Fuses .......................................... 49 Drive System Maintenance .................................. 49 Adjusting the Tracking ......................................
General Safety Safety This machine is capable of amputating hands and feet and of throwing objects. Toro designed and tested this lawn mower to offer reasonably safe service; however, failure to comply with safety instructions may result in injury or death. This machine has been designed in accordance with ANSI standard B71.4-2017.
Slope Indicator g011841 Figure 3 You may copy this page for personal use. 1. The maximum slope you can operate the machine on is 15 degrees. Use the slope chart to determine the degree of slope of hills before operating. Do not operate this machine on a slope greater than 15 degrees. Fold along the appropriate line to match the recommended slope. 2. Align this edge with a vertical surface, a tree, building, fence pole, etc. 3.
Safety and Instructional 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 missing. decalbatterysymbols Battery Symbols Some or all of these symbols are on your battery. 1. Explosion hazard 6. Keep bystanders away from the battery. 2. No fire, open flame, or smoking 7. Wear eye protection; explosive gases can cause blindness and other injuries. 3. Caustic liquid/chemical burn hazard 4.
decal112-9028 112-9028 1. Warning—stay away from moving parts; keep all guards and shields in place. decal116-5988 116-5988 1. Parking brake—engaged 2. Parking brake—disengaged decal107-3069 107-3069 1. Warning–there is no rollover protection when the roll bar is down. 2. To avoid injury or death from a rollover accident, keep the roll bar in the raised and locked position and wear the seat belt. Lower the roll bar only when absolutely necessary; do not wear the seat belt when the roll bar is down. 3.
decal133-8062 133-8062 decal135-1097 135-1097 decal117-0346 1. Belt routing 117-0346 1. Fuel leak hazard—read the Operator's Manual; do not attempt to remove the roll bar; do not weld, drill or modify the roll bar in any way. decal142-2935 142-2935 1. Read the instructions before servicing or performing maintenance. 2. Time interval 5. Check the tire pressure (2 locations). 6. Grease the idler pivots; refer to the Operator's Manual for further instructions (4 locations). 3.
decal126-8597 126-8597 1. Height of cut 2. Range adjustment decal135-1432 135-1432 decal126-8760 126-8760 For Models with 244 cm (96-inch) Decks 1. Height of cut 2. Range adjustment decal135-0664 135-0664 1. Thrown object hazard—keep bystanders away. decal126-9275 126-9275 10 2. Cutting/dismemberment hazard of hands and feet—stay away from moving parts; keep all guards and shields in place.
decal135-7898 135-7898 1. Wheel lug nut—torque to 129 N∙m (95 ft-lb). 2. Wheel hub nut—torque to 441 N∙m (325 ft-lb). 3. Read the Operator’s Manual before performing maintenance; check the torque after the first 100 hours and every 500 hours after. decal135-0670 135-0670 For Models with 244 cm (96-inch) Decks 1. Crushing hazard, hand—read the instructions before servicing or performing maintenance. 2. Warning—lock the deck wings and read the instructions before servicing or performing maintenance.
decal132-0871 132-0871 Note: This machine complies with the industry standard stability test in the static lateral and longitudinal tests with the maximum recommended slope indicated on the decal. Review the instructions for operating the machine on slopes in the Operator’s Manual as well as the conditions in which you would operate the machine to determine whether you can operate the machine in the conditions on that day and at that site.
Product Overview g297222 Figure 4 1. Display monitor 4. Fuel-tank cap 7. Wing deck caster wheel 10. Anti-scalp roller 2. Motion-control lever 5. Parking-brake lever 8. Caster wheel 11. Center deck height-of-cut pin 3. Roll bar 6. Wing deck height-of-cut pin 9. Center deck 12.
Controls Horizon Display Monitor Become familiar with all the controls before you start the engine and operate the machine. Refer to the Software Guide for detailed information explaining the operator interface that allows you to access information, reset counters, modify system settings, and troubleshoot the equipment. Control Panel g299561 Figure 5 1. Key switch 2. Blade-control switch (power takeoff) 4. Deck lift and wing deck fold/unfold switch 5. Audible alarm 3.
Important: You must unfold the wing decks Alarm before you can engage the PTO. If an error occurs, an error message displays, the LED turns red, and the alarm sounds audibly as follows: Neutral-Lock Position • A fast chirp sound indicates critical errors. • A slow chirping sound indicates less critical errors, Use the NEUTRAL-LOCK position with the safety-interlock system to engage and to determine the NEUTRAL position. such as required maintenance or service intervals.
Specifications Cutting width Operation 243.8 cm (96 inches) Note: Determine the left and right sides of the machine from the normal operating position. Working width—257.3 cm (101-5/16 inches) Overall width Overall length Overall height Tread width (center-to-center of tires, widthwise) Transport width set at the 3-inches height of cut—184.2 cm (72-1/2 inches) Before Operation 243.3 cm (95-13/16 inches) Before Operation Safety Roll bar up—179.1 cm (70-1/2 inches) Roll bar down—127.
Fuel Safety DANGER In certain conditions during fueling, static electricity can be released causing a spark which can ignite gasoline vapors. A fire or explosion from gasoline can burn you and others and cause property damage. • Always place gasoline containers on the ground away from your vehicle before filling.
Filling the Fuel Tank • Keep engine and engine area free from • • accumulation of grass, leaves, excessive grease or oil, and other debris which can accumulate in these areas. Clean up oil and fuel spills and remove fuel soaked debris. Allow the machine to cool before storing the machine in any enclosure. Do Not store near flame or any enclosed area where open pilot lights or heat appliances are present. 1. Park the machine on a level surface. 2. Engage the parking brake. 3.
Breaking in a New Machine into position when the holes align with the pins (Figure 8). New engines take time to develop full power. Mower decks and drive systems have higher friction when new, placing additional load on the engine. Allow 40 to 50 hours of break-in time for new machines to develop full power and best performance. Important: Always use the seat belt with the roll bar in the raised position.
Testing the Safety-Interlock System Using the Safety-Interlock System Service Interval: Before each use or daily WARNING Test the safety-interlock system before you use the machine each time. If the safety system does not operate as described below, have an Authorized Service Dealer repair the safety system immediately. If the safety-interlock switches are disconnected or damaged, the machine could operate unexpectedly, causing personal injury. 1.
Positioning the Seat Changing the Seat Suspension The seat moves forward and backward. Position the seat where you have the best control of the machine and are most comfortable. The seat is adjustable to provide a smooth and comfortable ride. Position the seat where you are most comfortable. To adjust, move the lever sideways to unlock the seat (Figure 11). To adjust it, turn the knob in front either direction to provide the best comfort (Figure 13).
During Operation • Be sure all drives are in neutral and parking brake During Operation Safety • General Safety • The operator must use their full attention when operating the machine. Do Not engage in any activity that causes distractions; otherwise, injury or property damage may occur. • WARNING Operating engine parts, especially the muffler, become extremely hot. Severe burns can occur on contact and debris, such as leaves, grass, brush, etc. can catch fire.
• • distance (twice the width of the machine) between the machine and any hazard. Use a walk behind machine or a hand trimmer to mow the grass in these areas. – Before clearing blockages. – Whenever you leave the mower. Do Not leave a running machine unattended. Stop engine, wait for all moving parts to stop: – Before refueling. – Before dumping the grass catcher. – Before making height adjustments. Tragic accidents can occur if the operator is not alert to the presence of children.
Rollover Protection System (ROPS) Safety Operating the Parking Brake A Rollover Protection System (roll bar) is installed on the machine. Always engage the parking brake when you stop the machine or leave it unattended. WARNING Engaging the Parking Brake There is no rollover protection when the roll bar is down. Wheels dropping over edges, ditches, steep banks, or water can cause rollovers, which may result in serious injury, death or drowning. Park the machine on a level surface.
Lowering the Wing Decks Operating the Mower Blade-Control Switch (PTO) Important: You must unfold the wing decks before you can engage the PTO. 1. The blade-control switch (PTO) starts and stops the mower blades and any powered attachments. Remove the clevis pin and hairpin cotter that secures each wing in the upright position and place them in the storage position (Figure 17).
Starting the Engine Shutting Off the Engine Important: Do not engage starter for more than 5 seconds at a time. If the engine fails to start, wait 15 seconds between attempts. Failure to follow these instructions can burn out the starter motor. CAUTION Children or bystanders may be injured if they move or attempt to operate the machine while it is unattended. Note: You may need multiple attempts to start the engine the first time after adding fuel to an empty fuel system.
Raising and Locking the Wing Decks Using the Motion-Control Levers 1. Ensure that all persons are clear of the deck wings. 2. Press and hold the bottom of the deck-lift switch; the center deck lowers first, then the outer wings. 3. Park the machine on a level surface, disengage the blade-control switch, and engage the parking brake. 4. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 5.
Driving the Machine The drive wheels turn independently, powered by hydraulic motors on each axle. You can turn 1 side in reverse while you turn the other forward, causing the machine to spin rather than turn. This greatly improves the machine maneuverability but may require some time for you to adapt to how it moves. 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.
Adjusting the Height of Cut The cutting height of the mower deck can be adjusted from 2.54 cm to 14 cm (1 to 5-1/2 inches) in 6.4 mm (1/4 inch) increments. 1. 2. 3. 4. Park the machine on a level surface, disengage the blade-control switch, and engage the parking brake. 6. Press the top of deck-lift switch to raise the center deck and wing decks. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. D.
Adjusting the Anti-Scalp Rollers For maximum deck flotation, install the rollers 1 hole position lower. Rollers should maintain a 6 mm (1/4 inch) clearance to the ground. Do not adjust the rollers to support the deck. 1. Park the machine on a level surface. 2. Disengage the blade-control switch (PTO), move the motion-control levers to the NEUTRAL-LOCK position, and engage the parking brake. 3.
Operating Tips drop onto your lawn. To avoid this, move onto a previously cut area with the blades engaged or you can disengage the mower deck while moving forward. Using the Fast Throttle Setting For best mowing and maximum air circulation, operate the engine at the FAST position. Air is required to thoroughly cut grass clippings, so do not set the height-of-cut so low as to totally surround the mower deck in uncut grass.
After Operation 1. Park the machine on a level surface, disengage the blade-control switch, and engage the parking brake. After Operation Safety 2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3. Rotate the release-valve levers vertically to push the machine (Figure 31). General Safety • Park machine on level ground, disengage drives, set parking brake, stop engine, remove key or disconnect spark plug wire.
Transporting the Machine Use a heavy-duty trailer or truck to transport the machine. Use a full-width ramp. Ensure that the trailer or truck has all the necessary brakes, lighting, and marking as required by law. Please carefully read all the safety instructions. Knowing this information could help you or bystanders avoid injury. Refer to your local ordinances for trailer and tie-down requirements.
1. If using a trailer, connect it to the towing vehicle and connect the safety chains. 2. If applicable, connect the trailer brakes and lights. 3. Lower the ramp, ensuring that the angle between the ramp and the ground does not exceed 15 degrees (Figure 32). 4. Back the machine up the ramp (Figure 33). g028043 Figure 33 1. Back the machine up the ramp. 2. Drive the machine forward down the ramp. 5. Shut off the engine, remove the key, and engage the parking brake. 6.
Maintenance WARNING Removal or modification of original equipment, parts and/or accessories may alter the warranty, controllability, and safety of the machine. Unauthorized modifications to the original equipment or failure to use original Toro parts could lead to serious injury or death. Unauthorized changes to the machine, engine, fuel or venting system, may violate applicable safety standards such as: ANSI, OSHA and NFPA and/or government regulations such as EPA and CARB.
• Keep hands and feet away from moving parts. • Use jack stands to support the machine and/or If possible, Do Not make adjustments with the engine running. If the maintenance or adjustment procedure require the engine to be running and components moving, use extreme caution. components when required. CAUTION Raising the machine for service or maintenance relying solely on mechanical or hydraulic jacks could be dangerous.
Maintenance Service Interval Every 500 hours Every 800 hours Monthly Yearly Yearly or before storage Maintenance Procedure • • • • • • Replace the air-cleaner paper element (more often under dusty, dirty conditions). Replace the spark plug(s). Check the wheel hub slotted nut torque specifications. Adjust the caster-pivot bearing. Adjust the parking brake. Change the hydraulic filter and fluid is using Toro HYPR-OIL™ 500 fluid (Every 250 hours if using Mobil 1 15W50).
Greasing the Mower Deck Service Interval: Yearly—Grease the pump belt idler arm. 1. Park the machine on a level surface, disengage the blade-control switch, and engage the parking brake. 2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3. Grease the mower deck idler-pulley pivot until grease comes out the bottom (Figure 36). 6. 7. 8. 9. 10. Note: Keep the dust cap off until greasing is done. Remove the hex plug.
4. Remove the caster wheel from the caster forks. 5. Remove the seal guards from the wheel hub. 6. Remove a spacer nut from the axle assembly in the caster wheel. Engine Maintenance Engine Safety • Shut off the engine before checking the oil or Note: Thread-locking adhesive has been adding oil to the crankcase. applied to lock the spacer nuts to the axle. 7. Remove the axle (with the other spacer nut still assembled to it) from the wheel assembly. 8.
10. Inspect the primary filter for damage by looking into the filter, while shining a bright light on the outside of the filter. Note: Holes in the filter will appear as bright spots. If the filter is damaged, discard it. Servicing the Foam Element 1. Wash the foam element in liquid soap and warm water. When the element is clean, rinse it thoroughly. 2. Dry the element by squeezing it in a clean cloth. g012996 Figure 40 1. Air-inlet cover 3. Air-cleaner body 2. Air-inlet screen 4.
Installing the Filters Checking the Engine-Oil Level Important: To prevent engine damage, always Note: Check the oil when the engine is cold. operate the engine with both air filters and the cover installed. 1. Important: If you overfill or underfill the engine crankcase with oil and run the engine, you may damage the engine. If you are installing new filters, check each filter for shipping damage. 1.
Changing the Engine Oil 6. Note: Dispose of the used oil at a recycling center. 1. Start the engine and let it run for 5 minutes. Slowly pour approximately 80% of the specified oil into the filler tube and slowly add the additional oil to bring it to the Full mark (Figure 45). Note: This warms the oil so that it drains better. 2. Park the machine so that the drain side is slightly lower than the opposite side to ensure that the oil drains completely. 3.
Changing the Engine-Oil Filter Servicing the Spark Plug Service Interval: Every 200 hours—Change the engine-oil filter (more often in dirty or dusty conditions). Service Interval: Every 200 hours—Check the spark plug(s). Every 500 hours—Replace the spark plug(s). 1. Drain the oil from the engine; refer to Changing the Engine Oil (page 42). Type: Champion XC12YC 2. Change the engine-oil filter (Figure 46). Air Gap: 0.76 mm (0.03 inch) Removing the Spark Plug 1.
Installing the Spark Plug clean the screen with a wire brush (soak the screen in solvent if necessary). 6. g028109 Figure 49 Checking the Spark Arrester For Machines with a Spark Arrester Service Interval: Every 50 hours WARNING Hot exhaust-system components may ignite fuel vapors even after you shut off the engine. Hot particles exhausted during engine operation may ignite flammable materials, resulting in personal injury or property damage.
Fuel System Maintenance WARNING Fuel-system components are under high pressure. The use of improper components can result in system failure, fuel leakage, and possible explosion. Use only approved fuel lines and fuel filters. Replacing the Fuel Filter Service Interval: Every 200 hours (more often in dusty, dirty conditions).
Servicing the Fuel Tank Electrical System Maintenance Do not attempt to drain the fuel tank. Ensure that an Authorized Service Dealer drains the fuel tank and services any components of the fuel system. Electrical System Safety Inspecting the Engine-Valve Clearance • Disconnect the battery before repairing the machine. Disconnect the negative terminal first and the positive last. Connect the positive terminal first and the negative last.
Charging the Battery Voltage Reading Percent Charge Maximum Charger Settings Charging Interval 12.6 V or greater 100% 16 V/7 A No charging required 12.4 V to 12.6 V 75% to 100% 16 V/7 A 30 minutes 12.2 V to 12.4 V 50% to 75% 16 V/7 A 1 hour Never smoke near the battery and keep sparks and flames away from battery. 12.0 V to 12.2 V 25% to 50% 14.4 V/4 A 2 hours Important: Always keep the battery fully charged 11.7 V to 12.0 V 0% to 25% 14.4 V/4 A 3 hours (1.265 specific gravity).
Jump-Starting the Machine 1. voltage. These instructions are for negative ground systems only. Check the weak battery for terminal corrosion (white, green, or blue “snow”). 3. You must clean it off prior to jump-starting. Clean and tighten connections as necessary. Connect the positive (+) cable to the positive (+) terminal of the discharged battery that is wired to the starter or solenoid (Figure 52).
Servicing the Fuses Drive System Maintenance The electrical system is protected by fuses. It requires no maintenance, however, if a fuse blows check component/circuit for malfunction or short. Adjusting the Tracking The fuse block is located to the right of the operator’s seat. 1. To replace the fuses, pull out on the fuse to remove it. 2. Install a new fuse (Figure 53). 1. Park the machine on a level surface, disengage the blade-control switch, and engage the parking brake. 2.
Checking the Tire Pressure Service Interval: Every 50 hours/Monthly (whichever comes first) Drive tires pressure specification: 124 kPa (18 psi). Note: The caster tires are semi-pneumatic tires and do not require air pressure maintenance. DANGER Low tire pressure decreases machine side-hill stability. This could cause a rollover, which may result in personal injury or death. Do not under-inflate the tires. Check the air pressure in the rear tires.
Brake Maintenance Checking the Wheel Hub Slotted Nut Adjusting the Parking Brake Service Interval: After the first 100 hours Every 500 hours thereafter Torque the slotted nut to 420 to 461 N∙m (310 to 340 ft-lb). Service Interval: After the first 100 hours Every 500 hours Note: Do Not use anti-seize on wheel hub. Check to ensure that parking brake is adjusted properly. This procedure must be followed after the first 100 hours or when a brake component has been removed or replaced.
13. Tighten the jam nut on the rear linkage (Figure 59). Belt Maintenance 14. Ensure that the wheel hub moves freely between the caliper brake pads. Inspecting the Belts 15. Repeats steps 9 to 14 for the right side. Service Interval: Every 50 hours 16. Rotate the drive wheel release handle to the operating position; refer to Using the Drive-Wheel-Release Valves (page 32). 17. Install the rear tires and torque the lug nuts to 129 N∙m (95 ft-lb).
g297414 Figure 62 g243945 Figure 61 1. Square hole in the idler arm for the ratchet 2. Wing deck mower belt 3. Spring 1. Spring 3. Spring-loaded idler pulley 2. Square hole in the idler arm for the ratchet 4. Center deck mower belt 7. Install the new belt around the mower deck pulleys. Install the new belt around the mower deck pulleys. 8. Install the 2 wing decks belts; refer to Replacing the Wing Deck Belts (page 52). 10. Install the belt covers and floorboard. 9.
Controls System Maintenance Adjusting the Control-Handle Position There are 2 height positions for the control levers—high and low. Remove the bolts to adjust the height for the operator. 1. Park the machine on a level surface, disengage the blade-control switch, and engage the parking brake. 2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3. Loosen the bolts and flange nuts installed in the levers (Figure 63). 4.
5. 6. 7. 8. Remove the electrical connection from the seat safety switch, located under the bottom cushion of the seat. 13. Remove the jumper wire from the wire harness and plug the connector into the seat switch. 14. Remove the jack stands. Note: The switch is a part of the seat assembly. 15. Temporarily install a jumper wire across the terminals in the connector of the main wire harness. Raise the mower deck and install the height-of-cut pin. 16.
Hydraulic System Maintenance Checking the Hydraulic-Fluid Level Hydraulic System Safety Check the hydraulic-fluid level before you first start the engine and daily thereafter. Service Interval: Every 50 hours • Seek immediate medical attention if fluid is injected into skin. Injected fluid must be surgically removed within a few hours by a doctor.
Changing the Hydraulic Fluid and Filter 16. 17. Service Interval: After the first 250 hours Important: Do cot change the hydraulic-system Every 500 hours thereafter (Every 250 hours if using Mobil 1 15W50 thereafter) 1. Disengage the PTO, move the motion-control levers to the NEUTRAL-LOCK position, and engage the parking brake. 2. Raise the rear of machine up and support it with jack stands (or equivalent support) just high enough to allow the drive wheels to turn freely. 3.
3. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 4. Open the hood to access the fluid reservoir. 5. Clean around the fill cap and remove the cap. 6. Extract the fluid through the fill port using a vacuum device or remove the power unit from the deck and pour the fluid out. 7. Install the power unit if you removed it to drain. 8.
g295443 Figure 69 1. Cam lock 3. Lanyard 2. Clevis pin 5. Insert the height-of-cut pin into the 102 mm (4 inches) location and install the lanyard. 6. Lock the each wing deck cam lock. 7. Start the engine. g295607 Figure 70 Note: The parking brake must be engaged and the motion-control levers must be out to start the engine. The operator does not have to be in the seat. Ensure that all persons are clear of the deck wings. 8.
height of cut with the desired rake, you can utilize the single-point adjustment to gain more adjustment. 6. To adjust the single-point system, first loosen the front and rear height-of-cut plate mounting bolts (Figure 71) Fine-tune the rear adjusters as required. You can adjust the single-point adjustment to gain more adjustment. g232012 Figure 72 1. Single-point height adjustment bolt 2. Front height-of-cut plate mounting bolt 3. Rear height-of-cut plate mounting bolt 8.
Blade Safety A worn or damaged blade can break, and a piece of the blade could be thrown toward you or bystanders, resulting in serious personal injury or death. Trying to repair a damaged blade may result in discontinued safety certification of the product. • Inspect the blades periodically for wear or damage. • Use care when checking the blades. Wrap the blades or wear gloves, and use caution when servicing the blades. Only replace or sharpen the blades; never straighten or weld them.
Note: If this dimension exceeds 3 mm (1/8 inch), the blade is bent and must be replaced. DANGER A blade that is bent or damaged could break apart and could seriously injure or kill you or bystanders. • Always replace bent or damaged blade with a new blade. g006530 Figure 74 1. Cutting edge 3. Wear/slot forming 2. Curved area 4. Crack • Never file or create sharp notches in the edges or surfaces of blade. Removing the Blades Checking for Bent Blades 1. 2.
Sharpening the Blades 1. 2. Use a file to sharpen the cutting edge at both ends of the blade (Figure 77). Install the bushing/blade assembly into the spindle shaft (Figure 80). Note: Maintain the original angle. Note: The blade retains its balance if the same amount of material is removed from both cutting edges. g000276 Figure 77 1. Sharpen at original angle. 2. Check the balance of the blade by putting it on a blade balancer (Figure 78).
Cleaning Cleaning the Machine and Mower Deck Service Interval: Before each use or daily 1. Park the machine on a level surface, disengage the blade-control switch (PTO), and engage the parking brake. 2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3. Clean off any oil, debris, or grass build-up on the machine and mower deck, especially under the deck-belt shields, around the fuel tank, and around the engine and exhaust area. 4.
Storage Prepare the machine for storage when non-use occurs over 30 days. Prepare the machine for storage as follows: Storage Safety A. Run the engine to distribute conditioned fuel through the fuel system for 5 minutes. B. Shut off the engine, allow it to cool, and drain the fuel tank. • Always shut off the engine, remove the key, wait for all moving parts to stop, and allow the machine to cool before adjusting, cleaning, storing, or repairing it.
Troubleshooting Problem The starter does not crank. The engine does not start, starts hard, or fails to keep running. Possible Cause 1. The blade-control switch (PTO) is engaged. 1. Move the blade-control switch (PTO) to disengaged. 2. The parking brake is not engaged. 3. The drive levers are not in the NEUTRAL-LOCK position. 4. The operator is not seated. 5. The battery is dead. 6. The electrical connections are corroded or loose. 7. The fuse is blown. 8. The relay or switch is broken. 2.
Problem The machine pulls left or right (with the motion-control levers fully forward). There is abnormal vibration. Mowing is resulting in uneven cutting height. The blades do not rotate. Possible Cause 1. The tracking needs adjustment. 1. Adjust the tracking. 2. The tire pressure in the drive tires is not correct. 3. The reverse indicator and motion-control linkage need adjustment. 2. Adjust the tire pressure in the drive tires. 3. Adjust the reverse indicator and the motion-control linkage. 1.
SP15 68 A RUN B+ GND P 40A B NC PWR CAN HI CAN LO SW PWR SERVICE PORT GND CAP02 GND 6 3 5 4 2 1 P18 A ORANGE/RED 1 P09 1 P10 1 P12 RED RED B C RD RED/WHITE RED/WHITE RED/WHITE RED/WHITE SP03 ORANGE RED/WHITE RED/WHITE RED/WHITE RED/WHITE RED/WHITE 1 P11 SP02 8 6 4 3 1 P26 7 5 2 GREEN GREEN BLACK BLACK YELLOW YELLOW YELLOW GREEN 2 SP09 RED/WHITE RED/WHITE BLACK BLACK BLACK UP DOWN P26 ORANGE/WHITE ORANGE GREEN/WHITE (ON)-OFF-(ON) SW05
g008623 Hydraulic Schematic (Rev.
DECK LIFT CYLINDER FOLD CYLINDERS PORTS “A”, “B”, “C” 7/16-20 UNF (#4 SAE) C B A OR1 .020 345 BAR ±7 5000 PSI ±100 1 3 2 OR2 .020 4:1 RATIO 221 BAR ±7 3200 PSI ±100 M 0.35 CC/REV 0.022 IN3/REV g299104 Wing Deck Lift Hydraulic Diagram (Rev.
California Proposition 65 Warning Information What is this warning? You may see a product for sale that has a warning label like the following: WARNING: Cancer and Reproductive Harm—www.p65Warnings.ca.gov. What is Prop 65? Prop 65 applies to any company operating in California, selling products in California, or manufacturing products that may be sold in or brought into California.