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Hydrostatic Zero-Turn
Riding Mower
MODEL
23HP
53AB5BBP7502
50" Stamped Deck
OPERATOR’S AND SERVICE MANUAL
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TABLE OF CONTENTS Foreword. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 General Safety Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 A.Danger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 B. Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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FORWARD The Hydrostatic Zero-Turn Riding Mower provides superb maneuverability. The machine incor- porates many safety features that should be studied by all operators before use. The list of safety precautions should receive particular attention. This manual presents all of the operating and maintenance instructions necessary to keep your mower at peak efficiency. If operated and maintained properly, your mower will give dependable service. CAUTION: Only thoroughly trained persons should operat
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6. Do not check for hydraulic leaks with any part GENERAL SAFETY of the body. OPERATIONS 7. Do not add fuel to a machine when the engine is running and/or the exhaust system is hot. A. DANGER 8. Keep machine clean and free of debris, grass, 1. Do not operate machine in confined areas leaves, oil, grease, etc. where exhaust gases can accumulate. 9. Place lap bars in neutral/start position, set 2. Do not operate machine without mower chute park brake, disengage P.T.O., turn engine off, defl
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11. When looking for oil leaks, never run your position. Always allow other vehicles to have hand over hydraulic hoses, lines or fittings. the right-of-way. Never tighten or adjust hydraulic hoses, lines 12. If you hit a solid object while mowing, turn off or fittings while the system is under pressure. the blade clutch switch, place the left and right If high-pressure oil penetrates the skin, the oil steering levers in the neutral, opened-out must be removed within a few hours by a doc- pos
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SAFETY DECALS AND LABELS Part Number: 01002166 TO REDUCE THE RISK OF INJURY, DO NOT OPER ATE MOWER UNLESS DISCHARGE CHUTE COVER OR GRASS CATCHER IS IN ITS PROPER PLACE. WARNING DANGER SHIELD MISSING KEEP HANDS and FEET AWAY DO NOT OPERATE Part Number: 00030635 DANGER ROTATING BLADE Do not put hands or feet under or into mower when engine is running. Part Number: 00030633 Part Number: 01003451 Part Number: 01003452 Part Number: 01003859 ! WARNING Engage parking brake when leaving the machi
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SPECIFICATIONS Engine: 23 HP Kohler Engine Type: Vertical air cooled Air Cleaner: Dual Element Lube System: Pressurized with oil filter Starter: 12-volt electric Traction Drive: Engine to two variable-speed hydraulic pump/motor BDR units to gearbox on each drive wheel Hydraulic Tank: 10 quart capacity, One quart filter Cutter Deck;Drive: 50", Belt Driven Clutch: Electric Deck Lift: Hand lever w/pin lock for height adjustment Cutting Height: 1-1/2" to 4" No. of Blades 3, belt-driven, power take-
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OPERATING INSTRUCTIONS Figure. 1 Figure. 2 Electric Blade Tach and Engine throttle Clutch Switch Hour Meter Choke Lever Ignition Switch k. Be careful when crossing gravel paths or A.General roadways. Always turn off the blade clutch 1. When Mowing: switch and wait until the blades stop rotat- a. Keep adults, children, and pets away from ing and raise the cutting deck to the trans- the area to be mowed. port position. Always allow other vehicles b. When operating this mower, in the forward t
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b. Avoid turning downhill if possible, if not use B.Controls extra care and go slowly. 1. Engine Ignition and Start Switch: (See Fig- c. Avoid turning when going downhill, traction ure 1.) Located on the instrument housing is at a minimum going downhill. below the right side of the operator’s seat. d. Do not operate with discharge side of the When the key is inserted and turned clock- mower toward streets, buildings, play- wise, 45 degrees, the ignition circuit is closed. grounds, parking
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Steering Levers Deck Lift Handle Brake Figure. 4 Fuel Shutoff Valve Figure. 3 hairpin clip from the locking pin and remove 4. Electric Blade Clutch Switch: (See Figure the pin from the pedal assembly. Fold the 1.) Located on the right side of the mower pedal up to vertical position so the hole in the beside the ignition switch. This is an “on/off” pedal aligns with the hole in the lever. Rein- push pull switch that controls the electric stall the locking pin and hairpin clip. This is bla
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the procedures below to set the appropriate C.Initial Adjustments angle to the mowing deck. 1. Check the fluid levels and tires: a. Park the mower on a flat paved surface, engage the parking brake, shut off the Note: These checks should be made daily, engine, remove the key from the ignition before starting the engine. switch, remove connection of the spark a. Fuel: Using a good grade of unleaded, plugs and using the transport lever, lower regular gasoline (for a gasoline engine), fill
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clockwise a few turns. Adjust both front bystanders, damage to the machine, or and rear Deck links as necessary. damage to nearby facilities. Retighten nuts. d. Inspect the machine to make sure: f. Raise the mowing deck to the transport 1. All guards, shields (including mower position using the transport lever. chute deflector) are in their proper place, g. Use the transport lever to lower the mow- are secure, and are functional. ing deck to the cutting position and repeat 2. That there are n
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ning. Sit down and the engine should begins to move rearward. Release the run. Turn off the PTO by pushing the lap bars and the machine should stop. control switch down. The more the lap bars are moved toward h. To drive in the FORWARD direction: the rear of the machine, the faster the 1. Set the engine speed to 2000 to 2500 machine will move in the reverse direc- rpm (refer to tachometer on right control tion. Release the lap bars and the panel). This must be increased to full machine
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c. Move the left and right steering levers to levers forward the faster the mower will go the neutral, opened-out position. forward. d. Push the electric blade clutch switch down h. To back up, move both steering levers to the “Off” position. slightly backward and the mower will e. Push the throttle control to a position a slowly move backward. The farther you third of the way between slow and fast. move the levers backward the faster the f. Insert the key in the ignition and start mower wi
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Cotter Pins Cotter Pins Height of Cut Clevis Figure. 6 Note: There is a certain amount of spring tension due to the weight of the deck. When WARNING: removing the lift linkage from the deck the ten- Never mow with dull blades! Blades that are sion of the springs will go from the deck to the bent should be replaced! The cutting blades lift handle. Not capturing the lift handle while are sharp and can cause severe injury. Wrap removing the lift linkage from the deck will the cutting surface o
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Cover Plate Spindle Figure. 8 Hydraulic Tank 1. Adding Hydraulic Oil (use SAE20W 50) a. Place the Mower on a level surface and engage the parking brake. Figure. 7 b. Stop the engine and remove the key from the ignition switch. blade drive belt from the pulley and slide c. Clean the area around the Hydraulic Oil fill the belt away from the pulley. neck. d. Remove tension of the PTO belt by moving d. Remove the hydraulic fill cap and check the belt tensioning rod. Loosen the belt the level.
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drain oil from both left and right axles. c. Store the battery with a full charge. A dis- Replace and retighten nuts. charged battery will freeze (refer to the table below).. Transmission Specific Gravity Freezing Temp (°F) 1.265 -71 1.250 -62 1.200 -16 1.150 5 Figure. 9 1.100 16 j. Coat new filter seal with oil before installa- tion. Install new hydraulic oil filter filled with new oil. d. Recharge battery when ever the specific k. Add proper amount of hydraulic oil to res- gravity value is
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other electrical components. This is a stan- steering lever up to the operating position dard plug-in type automotive fuse rated at 7.5 and try to start the engine. The engine amp. should not start. If it does, the left steering 7. Safety Switches: There are five safety lever switch must be repositioned or per- switches in the electrical circuit which control haps replaced. Open the left steering lever the engine. They are (1) the blade clutch to the neutral position and swing the right
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the electric blade clutch. Then check out through the other side of the caster yoke. Then tighten the locknut on the end of the the seat switch, the blade clutch switch and axle assembly. finally the electric blade clutch. If a problem still exists contact your cub cadet service Lower the mower off the jack and continue dealer. mowing. The wheel with the leaking tire should be taken to the maintenance area, the D.Tires tire inflated to 20 psi and the wheel placed in a large bucket of water. C
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damaged hoses. Make certain there are no Note: If you wish to move the mower by kinks or twists in any hose. pushing, you must release the dynamic brak- 2. Hydraulic Oil Tank and Filter: ing. Locate the levers at the rear of the mower. Pull both levers out and lock in position. After pushing the mower to the desired location, Note: Change the hydraulic oil and the oil return both levers to the operating position filter after the first 50 hours of operation and (See photo below). every 5
