Form No. 3408-484 Rev C Z Master® Professional 6000 Series Riding Mower with 52in TURBO FORCE® Side Discharge Mower Model No. 74923—Serial No. 400000000 and Up Model No. 78924—Serial No. 400000000 and Up Register at www.Toro.com.
This spark ignition system complies with Canadian ICES-002 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. Please refer to the engine manufacturer’s information included with the machine.
Contents Servicing the Engine Oil.................................... 39 Servicing the Spark Plug................................... 42 Checking the Spark Arrester ............................. 43 Fuel System Maintenance ................................... 44 Replacing the Fuel Filter ................................... 44 Servicing the Fuel Tank..................................... 44 Electrical System Maintenance ........................... 45 Electrical System Safety ...................................
Safety This machine has been designed in accordance with ANSI B71.4-2012. General Safety This product is capable of amputating hands and feet and of throwing objects. Always follow all safety instructions to avoid serious personal injury. Using this product for purposes other than its intended use could prove dangerous to you and bystanders. • Read and understand the contents of this Operator’s Manual before you start the engine.
Slope Indicator g011841 Figure 3 This page may be copied for personal use. 1. The maximum slope you can safely 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. decal58-6520 58-6520 decal106-2655 1. Grease 106–2655 1. Warning-do not touch or approach moving belts; remove the ignition key and read the instructions before servicing or performing maintenance. decal93-7818 93-7818 1.
decal110-2068 110-2068 1. Read the Operator's Manual. decal112-9028 112-9028 1. Warning—stay away from moving parts; keep all guards in place. 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 fully raised and locked position and wear the seat belt. Lower the roll bar only when absolutely necessary; do not wear the the seat belt when the roll bar is down. 3.
decal116-1716 116-1716 1. Fuel 2. Empty 6. Hour meter 7. PTO 3. Half 8. Parking brake 4. Full 5. Battery 9. Neutral 10. Operator-presence switch decal117-0346 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. decal116-4858 116-4858 decal116-5988 decal117-3848 116-5988 1. Parking brake—engaged 117-3848 2. Parking brake—disengaged 1.
decal117-3864 117-3864 1. Read the Operator’s Manual. 2. Fill to bottom of filler neck; warning—do not overfill the tank. decal126-4398 126-4398 1. Read the Operator’s manual 2. Lock 3. Unlock decal120-5898 120-5898 1. Choke 2. Fast 4. Slow 5. Power takeoff (PTO), Blade-control switch 3. Continuous variable setting decal126-2055 126-2055 decal127-0326 127-0326 1. Wheel-lug nut torque 129 N∙m (95 ft-lb) (4x) 1. Read the Operator's Manual. 2. Wheel-hub nut torque 319 N∙m (235 ft-lb) 3.
decalbatterysymbols Battery Symbols Some or all of these symbols are on your battery 1. Explosion hazard 6. Keep bystanders a safe distance 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. Wear eye protection. 8. Battery acid can cause blindness or severe burns. 9. Flush eyes immediately with water and get medical help fast. 5. Read the Operator's Manual. 10.
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 those conditions on that day and at that site.
Hour Meter Product Overview 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 (Figure 6). Fuel Gauge The fuel gauge is located with the hour meter, and the bars light up when the ignition switch is in the ON position (Figure 6). The indicator light appears when the fuel level is low (approximately 1 gallon remaining in the fuel tank).
Choke Control Neutral-Lock Position Use the choke to start a cold engine. Pull the choke knob up to engage it. Push the choke knob down to disengage it (Figure 5). Use the NEUTRAL-LOCK position with the safety-interlock system to engage and to determine the NEUTRAL position. Blade-Control Switch (Power Takeoff) Fuel-Shutoff Valve Close the fuel-shutoff valve (under the seat) when transporting or storing the mower.
Operation containers on the ground, away from your vehicle before filling. • Remove the equipment from the truck or trailer Note: Determine the left and right sides of the and refuel it while it is on the ground. If this is not possible, then refuel from a portable container rather than a fuel-dispenser nozzle. machine from the normal operating position. Before Operation • Do not operate the machine without the entire exhaust system in place and in proper working condition.
Using Stabilizer/Conditioner Use a fuel stabilizer/conditioner in the machine to provide the following benefits: • Keeps fuel fresh during storage of 90 days or less (drain the fuel tank when storing the machine for more than 90 days) • Cleans the engine while it runs • Eliminates gum-like varnish buildup in the fuel system, which causes hard starting Important: Do not use fuel additives containing methanol or ethanol. Add the correct amount of fuel stabilizer/conditioner to the fuel.
Checking the Engine-Oil Level 3. Lower the roll bar to the down position (Figure 8). Before you start the engine and use the machine, check the oil level in the engine crankcase; refer to Checking the Engine-Oil Level (page 16). Breaking in a New Machine 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.
Think Safety First CAUTION This machine produces sound levels in excess of 85 dBA at the operator’s ear and can cause hearing loss through extended periods of exposure. Please read all safety instructions and symbols in the safety section. Knowing this information could help you or bystanders avoid injury. DANGER Wear hearing protection when operating this machine. Operating the machine on wet grass or steep slopes can cause sliding and loss of control.
to the NEUTRAL-LOCK position. Try starting the engine; the engine should not start. Positioning the Seat The seat moves forward and backward. Position the seat where you have the best control of the machine and are most comfortable. To adjust, move the lever sideways to unlock the seat (Figure 12). g009181 Figure 11 1.
Changing the Seat Suspension • Keep your hands and feet away from the cutting • The seat adjusts to provide a smooth and comfortable ride. Position the seat where you are most comfortable. • To adjust, turn the knob in front either direction to provide the best comfort (Figure 14). • • • • • g019768 Figure 14 1.
Disengaging the Parking Brake • Keep the roll bar in safe operating condition by thoroughly inspecting it periodically for damage and keeping all the mounting fasteners tight. • Replace a damaged roll bar. Do not repair or alter it. Slope Safety • Slow down the machine and use extra care on hillsides. Travel up and down on hillsides. Turf conditions can affect the stability of the machine. • Avoid turning the machine on slopes.
Operating the Mower Blade-Control Switch (PTO) The blade-control switch (PTO) starts and stops the mower blades and any powered attachments. Engaging the Blade-Control Switch (PTO) g008946 Figure 19 Note: Engaging the blade-control switch (PTO) with the throttle position at half or less causes excessive wear to the drive belts. Operating the Choke Use the choke to start a cold engine. g008945 Figure 17 1. If the engine is cold, use the choke to start the engine. 2.
Operating the Ignition Switch 1. Starting and Shutting Off the Engine Turn the ignition key to the START position (Figure 21). Starting the Engine Note: When the engines starts, release the key. 1. Important: Do not engage starter for more 2. than 5 seconds at a time. If the engine fails to start allow a 15 second cool-down period between attempts. Failure to follow these instructions can burn out the starter motor. 3. 4.
Note: Additional starting cycles may be required when starting the engine for the first time after the fuel system has been without fuel completely. g008947 Figure 23 Shutting Off the Engine CAUTION Children or bystanders may be injured if they move or attempt to operate the machine while it is unattended. Always remove the ignition key and engage the parking brake when leaving the machine unattended, even if just for a few minutes.
Using the Motion-Control Levers CAUTION Machine can spin very rapidly. Operator may lose control of machine and cause personal injury or damage to machine. • Use caution when making turns. • Slow the machine down before making sharp turns. c:\data\documentum\checkout\g004532 Figure 25 1. Motion-control lever—NEUTRAL-LOCK position 4. Backward 2. Center, unlocked position 5. Front of machine 3. Forward Driving the Machine The drive wheels turn independently, powered by hydraulic motors on each axle.
Driving Forward Driving Backward Note: The engine stops when you move the traction-control with the parking brake engaged. To stop, pull the motion-control levers to the NEUTRAL position. 1. Disengage the parking brake; refer to Disengaging the Parking Brake (page 20). 2. Move the levers to the center, unlocked position. 3. To go forward, slowly push the motion-control levers forward (Figure 26). 1. Move the levers to the center, unlocked position. 2.
Stopping the Machine Adjusting the Height of Cut To stop the machine, move the traction-control levers to neutral, and then move them to the locked position, disengage the blade-control switch (PTO), and turn the ignition key to the OFF position. Using the Transport Lock The transport lock has 2 positions, and is used with the deck-lift pedal. There is a LOCK position and a UNLOCK position for the transport position (Figure 28).
Adjusting the Height-of-Cut Pin Adjusting the Anti-Scalp Rollers The height-of-cut is adjusted from 25 to 140 mm (1 to 5-1/2 inches) in 6 mm (1/4 inch) increments by relocating the clevis pin into different hole locations. 1. Move the transport lock to the lock position. 2. Push on the deck-lift pedal with your foot, and raise the mower deck to the transport position (also the 140 mm (5-1/2 inches) cutting height position) as shown in Figure 29. 3.
g027727 Figure 33 g000944 Figure 32 1. Anti-scalp roller 4. Flange nut 2. Spacer 5. Bolt Positioning the Flow Baffle 3. Bushing The following figures are only recommendations for use. Adjustments vary by grass type, moisture content, and the height of the grass. Adjusting the Flow Baffle Cam Locks Note: If the engine power draws down and the mower ground speed is the same, open up the baffle. This procedure is applicable only to machines with the flow-baffle locks.
Position B Use this position when bagging. Always align it with the blower opening. g005833 Figure 35 Position C This is the full open position.
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 in uncut grass.
After Operation After Operation Safety General Safety • Clean grass and debris from the cutting units, mufflers, and engine compartment to help prevent fires. Clean up oil or fuel spills. • Shut off the fuel before storing or transporting the machine. • Disengage the drive to the attachment whenever g008948 you are transporting or not using the machine. Figure 37 • Use full-width ramps for loading the machine into 1. On position a trailer or truck. 2.
Note: This allows hydraulic fluid to bypass the 3. 5. pump enabling the wheels to turn. Disengage the parking brake before pushing the machine. Use the tie-down loops on the machine to securely fasten it to the trailer or truck with straps, chains, cable, or ropes (Figure 39). g027338 Figure 39 1. Traction unit tie-down loops g008957 Figure 38 1. Vertical to push the machine 4. Loading the Machine 2.
WARNING Loading a machine onto a trailer or truck increases the possibility of tip-over and could cause serious injury or death (Figure 41). • Use extreme caution when operating a machine on a ramp. • Use only a full-width ramp; do not use individual ramps for each side of the machine. • Do not exceed a 15-degree angle between the ramp and the ground or between the ramp and the trailer or truck.
Maintenance Recommended Maintenance Schedule(s) Maintenance Service Interval Maintenance Procedure After the first 8 hours • Change the engine oil. After the first 100 hours • Check the wheel lug-nut torque. • Check the wheel-hub slotted-nut torque. • Check the parking brake adjustment. After the first 250 hours • Change the hydraulic filters and hydraulic fluid when using any type of fluid. Before each use or daily • • • • • • • • Check the safety system. Check the engine-oil level.
CAUTION If you leave the key in the ignition switch, someone could accidently start the engine and seriously injure you or other bystanders. Remove the key from the ignition before you perform any maintenance. Pre-Maintenance Procedures genuine Toro replacement parts and accessories. Replacement parts and accessories made by other manufacturers could be dangerous, and such use could void the product warranty. Maintenance and Storage • Check the parking brake operation frequently.
Lubrication Yearly—Repack the front caster-wheel bearings (more often in dirty or dusty conditions). Grease more frequently when operating conditions are extremely dusty or sandy. Grease Type: No. 2 general-purpose lithium-based or molybdenum-based grease 1. Disengage the blade-control switch (PTO), move the motion-control levers to the NEUTRAL-LOCK position, and engage the parking brake. 2.
7. Thread a grease fitting into the hole. 8. Pump grease into the fitting until it oozes out around the top bearing. Lubricating the Caster-Wheel Hubs 9. Remove the grease fitting in the hole. Service Interval: Yearly 10. 1. Install the hex plug and dust cap (Figure 45). Shut off the engine, wait for all moving parts to stop, remove the key, and engage the parking brake. g006115 Figure 46 g027339 1. Seal guard Figure 45 11. Grease the caster-wheel bearings (Figure 45). 2.
12. With the open end of the wheel facing up, fill the area inside the wheel around the axle full of general-purpose grease. 13. Insert the second bearing and new seal into the wheel. 14. 15. Engine Maintenance WARNING Contact with hot surfaces may cause personal injury. Apply a thread-locking adhesive to the second spacer nut, and thread it onto the axle with the wrench flats facing outward. Keep your hands, feet, face, clothing, and other body parts away the muffler and other hot surfaces.
Servicing the Engine Oil Oil Type: Detergent oil (API service SG, SH, SJ, or higher) Oil Capacity for Models 74923, 74925, and 74927 engines: with a filter change, 2.3 L (77 oz); with no filter change, 2.1 L (70 oz) Oil Capacity for Models 74922, 78922, and 78924 engines: with a filter change, 2.1 L (71 oz); with no filter change, 1.8 L (61 oz) Viscosity: See the table below. g009031 Figure 47 1. Air-cleaner clamps 3. Primary air filter 2. Air-cleaner cover 4.
2. Changing the Engine Oil Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position (Figure 49). Service Interval: After the first 8 hours Every 100 hours (more often in dirty or dusty conditions). Note: Dispose of the used oil at a recycling center. 1. Start the engine and let it run for 5 minutes. Note: This warms the oil so it drains better. 2. g008804 3. 4.
5. Changing the Engine-Oil Filter 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 51). Service Interval: Every 200 hours Note: Change the engine-oil filter more frequently when operating conditions are extremely dusty or sandy. 1. Drain the oil from the engine; refer to Changing the Engine Oil (page 40). 2. Change the engine-oil filter (Figure 52). g008804 g027660 Figure 51 6.
Servicing the Spark Plug Service Interval: Every 100 hours Make sure that the air gap between the center and side electrodes is correct before installing the spark plug. Use a spark plug wrench for removing and installing the spark plug(s) and a gapping tool/feeler gauge to check and adjust the air gap. Install a new spark plug(s) if necessary. g009922 Type : NGK® BPR4ES or equivalent Air Gap: 0.76 mm (0.03 inch) Removing the Spark Plug 1.
5. Installing the Spark Plug Install the left hydraulic-unit shroud (Figure 53). Tighten the spark plug(s) to 24.4 to 29.8 N∙m (18 to 22 ft-lb). Checking the Spark Plug Important: Do not clean the spark plug(s). Always replace the spark plug(s) when it has: a black coating, worn electrodes, an oily film, or cracks. 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. Set the gap to 0.76 mm (0.03 inch).
Servicing the Fuel Tank Fuel 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. Replacing the Fuel Filter Service Interval: Every 500 hours/Yearly (whichever comes first) (more often in dirty or dusty conditions). The fuel filter is located near the engine on the front or rear side of the engine. 1.
Removing the Battery Electrical System Maintenance WARNING Battery terminals or metal tools could short against metal machine components causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury. • When removing or installing the battery, do not allow the battery terminals to touch any metal parts of the machine. • Do not allow metal tools to short between the battery terminals and metal parts of the machine.
Installing the Battery Note: Position the battery in the tray with the terminal posts opposite from the hydraulic tank (Figure 58). g000960 Figure 60 g032526 1. Positive battery post 3. Red (+) charger lead 2. Negative battery post 4. Black (-) charger lead Servicing the Fuses Figure 59 The electrical system is protected by fuses. It requires no maintenance, however, if a fuse blows check the component/circuit for a malfunction or short. Charging the Battery 1.
Drive System Maintenance Checking the Seat Belt Service Interval: Before each use or daily Visually inspect seat belt for wear, cuts, and proper operation of retractor and buckle. Replace before operating if damaged. Checking the Rollover Protection System (ROPS) Knobs Service Interval: Before each use or daily WARNING To avoid injury or death from rollover: keep the roll bar in the fully raised locked position and use the seat belt. Ensure that the seat is secured to the machine.
7. If it tracks to the left, loosen the bolts and adjust the right stop plate rearward on the right T-slot until the machine tracks straight (Figure 63). 8. Tighten the stop plate (Figure 63). g001055 Figure 64 Checking the Wheel-Lug Nuts Check and torque the wheel lug nuts to 122 to 129 N∙m (90 to 95 ft-lb). Checking the Wheel-Hub Slotted Nut Service Interval: After the first 100 hours g027340 Figure 63 Left control lever shown 1.
g001297 Figure 66 1. Spring washers g027341 3. Dust cap 2. Lock nut Figure 65 1. Slotted nut Using the Clutch Shim Adjusting the Caster-Pivot Bearing Some later model year units have been built with clutches that contain a brake shim. When the clutch brake has worn to the point where the clutch no longer engages consistently, the shim can be removed to extend the clutch life. Service Interval: Every 500 hours/Yearly (whichever comes first) 1.
Removing the Clutch Shim 1. 2. B. Shut off the engine, wait for all moving parts to stop, remove the key, engage the parking brake, and allow the machine to cool completely before starting these instructions. Using needle-nose pliers, or by hand, hold the tab and remove the shim (Figure 70). Note: Do not discard the shim until proper clutch function has been confirmed. Using an air compressor, blow out any debris from under the brake pole and around the brake spacers (Figure 68).
Cooling System Maintenance Cleaning the Engine Screen and Engine-Oil Cooler Service Interval: Before each use or daily g010873 Remove any buildup of grass, dirt, or other debris from the oil cooler (Figure 73). Figure 72 1. Feeler gauge • If the gap is less than 0.25 mm (0.01 inch), then install the shim; refer to Troubleshooting (page 70). • If the gap is sufficient, proceed to the safety check in step F. F. g008804 Perform the following safety check: i. Sit on the seat and start the engine. ii.
Checking and Cleaning the Hydraulic-Unit Shrouds Service Interval: Before each use or daily 1. 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. Move the seat forward. 4. Clean the debris and grass from the hydraulic-unit shrouds (Figure 75). 5. Position the seat. g004218 Figure 74 1. Engine guard 4. Fan housing 2. Engine air-intake screen 5.
Brake Maintenance Adjusting the Parking Brake Service Interval: After the first 100 hours Every 500 hours thereafter Note: This procedure must be followed after the first 100 hours or when a brake component has been removed or replaced. 1. Drive the machine onto 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. Shut off the engine, wait for all moving parts to stop, and remove the key. 1.
Belt Maintenance Inspecting the Belts Service Interval: Every 50 hours Replace the belt if it is worn. The signs of a worn belt include squealing while the belt is rotating; the blades slipping while cutting grass; and frayed edges, burn marks, and cracks on the belt. Replacing the Mower Belt 1. Disengage the blade-control switch (PTO), move the motion-control levers to the NEUTRAL-LOCK position, and engage the parking brake. 2.
Replacing the Hydraulic Pump-Drive Belt 1. 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. Remove the mower belt; refer to Replacing the Mower Belt (page 54). 4. Raise the machine and support it with jack stands (Figure 80). g027730 Figure 79 1. Position the belt cover 3. Ensure that the tab is under the metal catch 2.
6. Unhook the idler spring from the frame (Figure 80). 7. Remove the belt from the hydraulic-unit-drive pulleys and the engine pulley. 8. Install the new belt around engine pulley and the 2 drive pulleys. 9. Using a ratchet in the square hole in the idler arm, install the idler spring to the frame (Figure 80). 10. 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.
4. Remove the electrical connection from the seat safety switch, located under the bottom cushion of the seat. Note: The switch is a part of the seat assembly. 5. Temporarily install a jumper wire across the terminals in the connector of the main wire harness. 6. Start the engine and run it at full throttle and disengage the brake. Note: The brake must be engaged and the motion-control levers must be out to start the engine.
Adjusting the Motion Control Neutral-Lock Pivot the lever, allow the reverse-indicator springs to bring the levers back to neutral. Note: The wheels must stop turning or slightly creep in reverse. The flanged nut can be adjusted to obtain a more desired motion-control lever resistance when moving it to the NEUTRAL-LOCK position. See Figure 85 for adjustment options. 11. Shut off the unit, remove the jumper wire from the wire harness, and plug the connector into the seat switch. 12.
Hydraulic System Maintenance 7. Remove 1 dipstick from the hydraulic reservoir (Figure 86). 8. Wipe the dipstick off and thread the dipstick into the reservoir. Hydraulic System Safety 9. Remove the dipstick and look at the end (Figure 86). • Ensure that all hydraulic-fluid hoses and Important: Do not overfill the hydraulic lines are in good condition and all hydraulic connections and fittings are tight before applying pressure to the hydraulic system. units with oil as damage may occur.
WARNING Hydraulic fluid escaping under pressure can penetrate skin and cause injury. • If hydraulic fluid is injected into the skin it must be surgically removed within a few hours by a doctor familiar with this type of injury. Gangrene may result if this is not done. • Keep your body and hands away from pinhole leaks or nozzles that eject high-pressure hydraulic fluid. • Use cardboard or paper to find hydraulic leaks.
Mower Deck Maintenance 7. Install the replacement hydraulic filter. 8. Install the pump-drive belt and the mower belt. 9. Remove the jack stands and lower the machine (Figure 87). 10. Add oil to the hydraulic reservoir and check for any leaks. Leveling the Mower Deck 11. Clean up any spilled oil. Setting up the Machine 12. Start the engine and let it run for about 2 minutes to purge air from the system. 13. Shut off the engine and check for leaks. 14.
g009196 Figure 90 1. 7.6 cm (3 inch) at position A is correct 2. 8.3 cm (3-1/4 inch) at position B is correct g027343 Figure 89 1. Deck-lift pedal 3. Transport lock 10. 2. Height-of-cut pin 6. Insert the height-adjustment pin into the 7.6 cm (3 inches) cutting-height location. 7. Release the transport lock and allow the deck to lower to the cutting height. 8. Raise the discharge chute. 9.
Note: Loosen or tighten the single-point adjustment bolt enough to move the height-of-cut plate mounting bolts at least 1/3 the length of the available travel in their slots. This regains some up and down adjustment on each of the 4 deck links. g017036 Figure 93 g027344 Figure 91 1. Adjustment nut 3. Rear deck adjustment 2. Jam nut 4. Front deck adjustment 11. 1. Single-point adjustment bolt 13.
Inspecting the Blades Servicing the Cutting Blades Service Interval: Before each use or daily To ensure a superior quality of cut, keep the blades sharp. For convenient sharpening and replacement, you may want to keep extra blades on hand. 1. Inspect the cutting edges (Figure 94). 2. If the edges are not sharp or have nicks, remove and sharpen the blade; refer to Sharpening the Blades (page 65). Blade Safety 3. Inspect the blades, especially in the curved area. 4.
Removing the Blades Checking for Bent Blades 1. Disengage the blade-control switch (PTO), move the motion-control levers to the NEUTRAL-LOCK position, 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. Rotate the blades until the ends face forward and backward. 1. Hold the blade end using a rag or a thickly-padded glove. 4.
Note: If the blade stays in a horizontal position, the blade is balanced and can be used. Removing the Mower Deck Note: If the blade is not balanced, file some Before servicing or removing the mower deck, lock out the spring-loaded deck arms. metal off the end of the sail area only (Figure 97). WARNING Deck-lift-arm assemblies have stored energy. Removing the deck without releasing the stored energy can cause serious injury or death. g000553 Figure 98 1. Blade 3. 2.
g009197 Figure 101 g009038 1. Right stabilizer Figure 100 1. Clutch pulley 2. Mower belt 5. Square hole in the idler arm for the ratchet 6. Idler grease fitting 3. Spring-loaded idler pulley 7. Belt guide 2. Deck strut (right side shown) 3. Remove the shoulder bolt and nut. 4. Remove the shoulder bolt and nut. 4. Ratchet 7. Remove and retain the hardware on both sides of the deck (Figure 101). 67 8. Raise the deck struts and secure them in the up position. 9.
Replacing the Grass Deflector Cleaning Cleaning under the Mower WARNING Service Interval: Before each use or daily An uncovered discharge opening could allow the lawn mower to throw objects at you or bystanders, resulting in serious injury. Also, contact with the blade could occur. Do not operate the lawn mower unless you install a cover plate, a mulch plate, grass deflector or bagger. 1. 2.
Storage Note: A fuel stabilizer/conditioner is most effective when mixed with fresh fuel and used at all times. Cleaning and Storing the Machine 1. Disengage the blade-control switch (PTO), engage the parking brake, turn the ignition key to the OFF position, and remove the key. 2. Remove grass clippings, dirt, and grime from the external parts of the entire machine (especially the engine and hydraulic system).
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 the disengaged position. 2. The parking brake is disengaged. 3. The motion-control 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.
Problem The machine does not drive. The machine vibrates abnormally. The machine produces an uneven cutting height. Possible Cause 1. The bypass valves are not closed tight. 1. Tighten the bypass valves. 2. The pump belt is worn, loose, or broken. 3. The pump belt is off a pulley. 4. The idler spring is broken or missing. 5. The hydraulic-fluid level is low or too hot. 2. Change the belt. 1. Install new cutting blade(s). 2. The blade mounting bolt is loose. 3. The engine mounting bolts are loose. 4.
Schematics g009180 Wire Diagram (Rev.
Notes:
Notes:
Notes:
The Toro Warranty Landscape Contractor Equipment (LCE) A Limited Warranty (see warranty periods below) Riding Product Conditions and Products Covered 3. If for any reason you are dissatisfied with the Service Dealer’s analysis or with the assistance provided, contact us at: The Toro Company and its affiliate, Toro Warranty Company, pursuant to an agreement between them, jointly promise to repair the Toro Products listed below if defective in materials or workmanship.
