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Hydrostatic Zero-Turn
Commercial Riding Mower
Professional Turf Equipment
MODEL
19HP Tank, 53BB5DAV150
20HP Tank, 53AB5E6V150
23HP Tank, 53BB5DBW150
24HP Tank, 53AB5ETW150
25HP Tank, 53AB5D8X150
27HP Tank, 53AB5BDX150
28HP Tank, 53AB5FEZ150
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 Tank Hydrostatic Zero-Turn Commercial Riding Mower provides superb maneuverability, mid-mount cutting capability for professional landscapers, commercial lawn service compa- nies, professional turf managers and golf course superintendents. The machine incorporates many safety features that should be studied by all operators and maintenance personnel before use. The list of safety precautions should receive particular attention. This manual presents all of the operating and maintenanc
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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 movements of the levers when starting or hand over hydraulic hoses, lines or fittings. stopping. Never tighten or adjust hydraulic hoses, lines 3. If the mower is equipped for side discharge, or fittings while the system is under pressure. never use the mower without the discharge If high-pressure oil penetrates the skin, the oil chute installed and placed in the down position. must be removed within a few hours by a doc- 4. Always remove debris
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SAFETY DECALS AND LABELS WARNING SHIELD MISSING DO NOT OPERATE Part Number: 00030635 Part Number: 01003858 DANGER ROTATING BLADE Do not put hands or feet under or into mower when engine is running. Part Number: 01003449 Part Number: 00030633 Part Number: 01003450 Part Number: 01003859 Part Number: 01002166 TO REDUCE THE RISK OF INJURY, DO NOT OPERATE MOWER U NLESS DISCHARGE CHUTE COVER OR GRASS CATCHER IS IN ITS PROPER PLACE. DANGER KEEP HANDS and FEET AWAY Part Number: 01003857 Part Number: 010
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SPECIFICATIONS Engine: 19HP Kawasaki, 20HP Honda, 24HP Honda, 23HP Kawasaki, 25HP Kawasaki, 27HP Kohler, 28HP Generac Type: Vertical air cooled V-Twin Air Cleaner: Paper Element Lube System: Pressurized with oil filter Starter: 12-volt electric Traction Drive: Engine to two variable-speed hydraulic wheel motors on each drive wheel Hydraulic Tank: 10 quart capacity, One quart filter Cutter Deck;Drive: 48", 54", 60", & 72” Belt Driven Clutch: Electric Deck Lift: Hand lever w/pin lock for height
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OPERATING INSTRUCTIONS Figure. 1 Figure. 2 Tach and Electric Blade Engine throttle Hour Meter Clutch Switch Choke Lever Ignition Switch A.General ing and raise the cutting deck to the trans- port position. Always allow other vehicles 1. When Mowing: to have the right of way. a. Keep adults, children, and pets away from l. If you hit a solid object while mowing, turn the area to be mowed. off the blade clutch switch, place the steer- b. When operating this mower, in the forward ing levers in
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c. Avoid turning when going downhill, traction B.Controls is at a minimum going downhill. 1. Engine Ignition and Start Switch: (See Fig- d. Do not operate with discharge side of the ure 1.) Located on the instrument housing mower toward streets, buildings, play- below the right side of the operator’s seat. grounds, parking lots, other machines, ani- When the key is inserted and turned clock- mals, and other people. wise, 45 degrees, the ignition circuit is closed. e. Avoid operation or use
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Steering Levers Deck Lift Handle Note: The 19hp and 23hp use the 5 Brake gallon fuel tank. Figure. 4 Fuel Shutoff Valve Figure. 3 pedal assembly. Fold the pedal up to vertical 4. Electric Blade Clutch Switch: (See Figure position so the hole in the pedal aligns with 1.) Located on the right side of the mower the hole in the lever. Reinstall the detent pin. beside the ignition switch. This is an “on/off” This is the required position for the foot pedal push pull switch that controls the
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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 d. Inspect the machine to make sure: and rear Deck links as necessary. 1. All guards, shields (including mower Retighten nuts. chute deflector) are in their proper place, f. Raise the mowing deck to the transport are secure, and are functional. position using the transport lever. 2. That there are no spilled or leaking fuel g. Use the transport lever to lower the mow- or oil sources, nor loose fuel or hydraulic ing deck to the cutting position and rep
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run. Turn off the PTO by pushing the The more the lap bars are moved toward control switch down. the rear of the machine, the faster the h. To drive in the FORWARD direction: machine will move in the reverse direc- 1. Set the engine speed to 2000 to 2500 tion. Release the lap bars and the rpm (refer to tachometer on right control machine should stop traveling in reverse panel). This must be increased to full (this is a safety check, the normal proce- speed (3525-3675 rpm) after becoming
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e. Push the throttle control to a position a levers backward the faster the mower will third of the way between slow and fast. go backward. f. Insert the key in the ignition and start i. To turn, pull the lever back on the side to switch and turn the switch to “On”. which you want to turn. The farther back g. Gasoline Engine: If the engine is cold, you pull the lever, the faster and more push the choke to the on position. sharply you will turn. Initially, you will have h. Turn the ignition
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Linch Pins Linch Pins Figure. 6 Height of Cut Clevis Pin d. Detach the mower drive belt. a. Set the parking brake. b. Clean any debris from the blades. Keep e. Remove six linchpins (See Fig. 6) (4) from blades sharp and free of build up at all the deck and (2) from the front of the times. mower. Remove the linchpins on the left c. Sharpen blades evenly at the original 30° and right rear side of the cutter deck (2); angle to maintain balanced cutting blades. remove the linchpins on the le
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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. e. Pull the tensioner pulley away from the belt c. Clean the area around the Hydraulic Oil fill and remove the PTO belt then remove the neck. blade drive belt. d. Remove the hydraulic fill cap and check f. Reverse the process to install the belt. the level. The corre
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caps and drain oil from both left and right c. Store the battery with a full charge. A dis- pumps. Replace and retighten nuts. charged battery will freeze (refer to the table below). Hydraulic pumps Specific Gravity Freezing Temp (°F) 1.265 -71 1.250 -62 1.200 -16 1.150 5 Figure. 9 1.100 16 Unfasten hose and drain from this side of both pumps. d. Recharge battery when ever the specific j. Coat new filter seal with oil before installa- gravity value is less than 1.225 tion. Install new hydrau
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other electrical components. This is a stan- Engage the BBC a couple of times, and re- dard plug-in type automotive fuse rated at 7.5 check the air-gap. If it is not between amp. 0.013" and 0.015", repeat the adjustment 7. Safety Switches: There are five safety procedure. switches in the electrical circuit which control b. Parking Brake Switch: Sit in the opera- the engine. They are (1) the blade clutch tor’s seat. With both steering levers switch, (2) the parking brake switch, (3) the o
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does not stop, the seat switch must be 2. Leaking Tires: When a flat tire occurs, repair replaced. With both steering levers folded or replace immediately. The normal procedure out in the neutral position, the parking is to remove the wheel and replace it with a brake engaged and the blade clutch switch spare. Take the leaking tire to a maintenance in the “off” position, sit in the operator’s area and repair. If a tire is getting soft, park seat and start the engine. Turn the blade the mowe
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d. Loosen jam nuts on both ends of rod con- pin from the clevis pin and pulling the clevis pin from nectors. See Control Assembly in the Illus- the brake clevis. Loosen the hex nut and turn the trated Parts Book (ONLY if mower creeps.) brake clevis in a clockwise direction one full turn e. Start unit and push throttle all the way on. looking down the brake rod. This will tighten the brake f. If unit creeps forward rotate rear rod con- about .040 inch. Tighten the hex nut and reassemble nectors c
