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25

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OIL CHART

Apply a few drops of engine oil or use a spray lubricant. Apply the oil to both 

sides of pivot points. Wipe off any excess. Start engine and operate mower 

briefly to insure that oil spreads evenly.

Number of Oil Points

Description

DAILY

4
4
2
2
2
2
1
2

WEEKLY

1
2
2
2
1
1
1

Deck Suspension Pivots
Height Adjustment Turnbuckle Clevis Pin
Height Adjustment Handle Pivots
Height Adjustment Stop Pivots
Deck Lift Linkage Pivots
Transport Handle Pivots
Transport Handle Pin
Deck Frame Up-and-Down Pivots

Seat Hinge
Steering Lever Linkage Rod End Bearings
Lever Return Assembly Rod End Bearings
Pump Control Lever Pivots
Brake Lever Pivot
Brake Lever Control Rod Ends
Brake Control Rod Ends

LUBRICATION CHART

Use a grease-gun filled with NO. 2 Multipurpose Lithium Base Grease 

No. of Grease Fittings

Description

EVERY 25 HOURS

3

WEEKLY

2
2
4
2
1
2
1
2

Blade Spindle Bearings

Front Caster Wheels
Front Caster Wheel Spindles
Mowing Deck Pivots
Deck Take-Up Idler Pivots
Axle Pivot
Steering Lever Pivots
Hydro Take-up Idler Pivot
Mower Deck Ball Wheels

Summary of Contents for 28HP Tank 53AB5JEX750

Page 1: ...Hydrostatic Zero Turn Commercial Riding Mower Professional Turf Equipment OPERATOR S AND SERVICE MANUAL 60 72 Fabricated Deck InDirect Injection Diesel...

Page 2: ...Maintenance and Service 16 A Mower Deck 16 B Hydraulic Oil 17 C Electrical System 18 D Tires 20 E Brakes 21 F Hydraulic System 22 G Storage 23 Maintenance Schedule 24 Performance Adjustments 26 A Hig...

Page 3: ...so dependent upon the awareness concern prudence and proper training of the personnel involved in the oper ation transport maintenance and storage of the equipment NOTE The engine manufacturer is resp...

Page 4: ...ep all safety signs legible and properly installed 6 Do not check for hydraulic leaks with any part of the body 7 Do not add fuel to a machine when the engine is running and or the exhaust system is h...

Page 5: ...avoided Loose connections at the battery terminals can produce sparks and heat connections to the terminals must be kept tight and the terminals and battery surfaces kept clean of acids and corro sion...

Page 6: ...s while you are operating the mower 15 Never attempt to operate the traction unit without the mowing deck attached 16 Keep the mower and especially the engine and hydraulic components clean and free o...

Page 7: ...replace damaged hitches Part Number 00030635 Part Number 01009619 Part Number 00030633 Part Number 01003450 Part Number 02000163 Part Number 01002166 Part Number 01006536 Part Number 01003452 Part Nu...

Page 8: ...lbs w 60 deck 1540 lbs w 72 deck Operator Protective Device Roll Over Protective Structure Retractable Seat Belts Brush Guard and Sun Canopy ENGINE INFO Engine 28 2HP InDirect Injection Caterpillar d...

Page 9: ...n off the blade clutch switch and wait until the blades stop rotat ing and raise the cutting deck to the trans port position Always allow other vehicles to have the right of way l If you hit a solid o...

Page 10: ...plug light goes out Turning the switch further against spring pressure starts the engine The engine will only start if the blade clutch switch is in the off position the parking brake is engaged and...

Page 11: ...t pedal move the hand lever outward and slowly reduce foot pedal effort to lower the mechanism To ser vice the unit Remove the detent pin from the pedal assembly Fold the pedal up to vertical position...

Page 12: ...cuts fraying and excessive wear Replace if any of these are detected d Replace the deck cover 4 Adjust the Mowing Deck The cutting height is set anywhere in the range of 1 1 2 to 5 You may need to ad...

Page 13: ...tional 2 That there are no spilled or leaking fuel or oil sources nor loose fuel or hydraulic tank caps hoses or fittings 3 That there are no loose or missing hard ware nor any missing items 4 That no...

Page 14: ...machine will turn toward the same side that was retarded I E to turn counter clockwise to the LEFT move the LEFT lap bar rearward more than the right side and to turn clockwise to the RIGHT move the...

Page 15: ...ower to the cleanup or storage area d Move the throttle to slow e Place the steering levers in the neutral position f Set the parking brake g Turn off the ignition switch and take the key from the swi...

Page 16: ...s on the left and right rear side of the cutter deck 2 remove the linchpins on the left and right front side of the cutter deck 2 and remove the linchpins on the front of the mower 2 f Turn front cast...

Page 17: ...ower idler arm assembly and pull the idler arm clockwise While holding the idler arm back loosen the blade drive belt from the pulley and slide the belt away from the pulley e Pull the tensioner pulle...

Page 18: ...ts j Remove the three screws from the top of the oil filter and replace the oil filter ele ment Coat the sealing surface with Shell Rimula 15W40 oil or equivalent Install the three screws back into th...

Page 19: ...to start the engine the blade clutch switch must be off the parking brake must be engaged and both steering levers must be opened out to the side in the neutral position Once the engine is started the...

Page 20: ...d d Seat Switch With both steering levers opened out to the neutral position the parking brake engaged and the blade clutch switch in the off position start the engine Now release the parking brake ho...

Page 21: ...damaged a tube will have to be installed in the tire or the tire will have to be replaced 3 Creeping Creeping is the slight forward or backward movement of the mower when the throttle is on and the la...

Page 22: ...umps in this way will purge any air from the system Shut off the engine and recheck the oil level in the tank Top off if necessary until the oil level is a 1 4 below the oil tank fill neck Note After...

Page 23: ...rn bolt If the steering lever was pushed forward turn the hex shaped lever return bolt clockwise one half turn off of the lever return rod If the steer ing lever was pulled back turn the hex shaped le...

Page 24: ...lement air pre cleaner 2 Grease the three spindle bearings C Weekly or Every 50 Hour Checks 1 Change the engine oil Every 25 hours under heavy duty operation 2 Clean or replace the engine s paper air...

Page 25: ...Pivots Transport Handle Pivots Transport Handle Pin Deck Frame Up and Down Pivots Seat Hinge Steering Lever Linkage Rod End Bearings Lever Return Assembly Rod End Bearings Pump Control Lever Pivots B...

Page 26: ...anual This display defaults to Tachometer mode when engine is running 4 Move the throttle lever to the high speed posi tion and note the RPM reading on the display 5 Move the throttle lever back to th...

Page 27: ...ay in contact with the seat back 2 Lap bars should not contact operator s legs c In the full reverse position 1 Lap bars should not contact the opera tor s legs or torso 2 Set the seat to the preferre...

Page 28: ...he right blade when aligned along the mower centerline The blade to ground height at the rear of the blade tip should be 1 8 to 1 4 higher than the front tip This is referred to as blade pitch The sam...

Page 29: ...sed but can effect the engine performance and starting ability The only aviation fuels that are permitted for use with these engines are JP5 Jet A and JP8 pro viding that 5 spindle oil is added Aviati...

Page 30: ...30 WIRING DIAGRAM GD 02000915...

Page 31: ...31...

Page 32: ...ch inspections adjustments made as part of normal maintenance blades blade sharpening equipment setup and normal wear items b incidental cost such as transporting equipment to and from the dealer tele...

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