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4

GENERAL SAFETY
OPERATIONS

A. DANGER

1.

Do not operate machine in confined areas 
where exhaust gases can accumulate.

2.

Do not operate machine without mower chute 
deflector in place and operational.

3.

Do not carry passengers.

4.

This is a narrow track Zero-Turn mower, and it 
should not be operated on steep slopes. 
Refer to slope gauge on page 28.

B. WARNING

1. Do not operate machines under the influence 

of alcohol or drugs.

2.

Do not operate machines without all guards 
and safety devices in place and functional.

3.

Do not start machines if there are fuel or oil 
leaks or spillage — clean it up.

4.

Do not operate machines near spilled or leak-
ing fuels.

5.

Do not stop or park machine over dry leaves, 
grass, debris, etc. that could be combustible.

6.

Use extreme care when backing up.

7.

Do not operate machine on slopes greater 
than 15 degrees (27%).

8.

Do not operate machines on slopes when 
traction is reduced (wet grass, ice, soft 
ground, loose ground, leaves, pine needles, 
debris, etc.).

9.

Avoid turning downhill if possible, go slowly 
and use extra care when turning downhill.

10. Do not operate machines during reduce visi-

bility (low light, fog, rain, etc.).

11. Do not operate machines with non-approved 

attachments.

12. Do not operate machines that are dam-

aged.....have machine repaired.

13. Do not operate machines that have not been 

properly maintained.

14. Use only replacement parts that are the same 

or equivalent to the original equipment.

15. Do not modify machines or any of their com-

ponents, especially the engine governor!

16. Do not operate machine for more than 2 hours 

without hearing protection.

C. CAUTION

1.

Use proper protective equipment when oper-
ating machine (gloves, boots, and hearing 
protection are recommended).

2.

Read entire machine Operator’s Manual.

3.

Make sure operators are fully trained in the 
safe use of the machine.

4.

Follow all safety instructions when using the 
machine.

5.

Keep 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 hot.

8.

Keep machine clean and free of debris, grass, 
leaves, oil, grease, etc.

9.

Place lap bars in neutral/start position, set 
park brake, disengage P.T.O., turn engine off, 
and remove ignition key before you dismount 
from machine.

10. Use machines laterally or diagonally across 

slopes, avoid going downhill when possible.

11. Go slowly and use extra care when descend-

ing slopes.

12. Disengage P.T.O. when crossing surfaces 

such as asphalt, concrete, loose ground, 
sand, gravel, etc.

13. Use extra care when loading and unloading 

machines from trucks or trailers.

SAFETY PRECAUTIONS

A. General

1.

Read this Operator’s Manual before starting 
the mower. Study the controls and learn the 
proper sequence of operation.

2.

Do not allow anyone to operate or maintain 
this machine who has not read this manual. 
Never permit children to operate this machine.

3.

Never carry passengers.

4.

Do not remove any shields, guards or safety 
devices. If a shield, guard or safety device is 
damaged or does not function, repair or 
replace it before operating the mower.

5.

Always wear safety glasses and safety shoes 
when operating or maintaining this mower. Do 
not wear loose-fitting clothing.

6.

Disconnect the spark plug wires and remove 
the key from the ignition to prevent the engine 
from accidentally starting before performing 
any maintenance on this mower.

7.

Never run the engine indoors without ade-
quate ventilation. Exhaust fumes are deadly.

8.

To avoid serious burns, do not touch the 
engine, exhaust pipe or muffler while the 
engine is running or until it has cooled after it 
has been shut off.

9.

The liquid in the battery is dilute sulfuric acid. 
Always wear safety glasses and rubber gloves 
when working on the battery. Do not overfill 
the battery.

Summary of Contents for 53AI5BBY750

Page 1: ...Hydrostatic Zero Turn Commercial Riding Mower Professional Turf Equipment OPERATOR S AND SERVICE MANUAL Z Wing 48...

Page 2: ...ervice 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 High Speed Tracking A...

Page 3: ...actors are also 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 manufac...

Page 4: ...use of the machine 4 Follow all safety instructions when using the machine 5 Keep all safety signs legible and properly installed 6 Do not check for hydraulic leaks with any part of the body 7 Do not...

Page 5: ...ries are re charged so sparks flames and heat sources should be avoided Loose connections at the battery terminals can produce sprks and heat connections to the terminals must be kept tight and the te...

Page 6: ...ng the throttle to slow setting the parking brake shutting off the engine and taking the key from the ignition switch 14 Never walk or stand on the discharge side of a mower with the engine running Tu...

Page 7: ...HIELD MISSING DO NOT OPERATE Part Number 00030635 Part Number 777S30503 Part Number 01002166 Part Number 777S30015 Part Number 777I22490 Part Number 777I22491 Part Number 777S32530 Part Number 777I225...

Page 8: ...No of Blades 3 belt driven power take off from engine Controls Engine ignition and start switch throttle choke left and right steering levers electric blade clutch switch parking brake mower deck lif...

Page 9: ...position k Be careful when crossing gravel paths or roadways Always turn off the blade clutch switch and wait until the blades stop rotat ing and raise the cutting deck to the trans port position Alwa...

Page 10: ...urf defacement can occur g To prevent rutting or grooving of the turf change the direction that the strips are mowed by approximately 45 degrees the next and each subsequent time that the area is mowe...

Page 11: ...ed in a counterclockwise direction it will open and allow fuel to flow to the engine Close this valve if you are not going to run the mower for a period of 30 minutes or more to prevent flooding the e...

Page 12: ...g Deck The cutting height is set anywhere in the range of 1 1 2 to 4 You may need to adjust the mowing deck to achieve the proper pitch angle for mowing Follow the procedures below to set the appro pr...

Page 13: ...d stop running Move the lap bars back to the neutral position and the engine should run 2 Repeat this procedure with the opposite side lap bars 3 With the park brake engaged and the lap bars in the ne...

Page 14: ...Forward or Reverse direc tions the machine must come to a stop first 2 To turn clockwise slowly move the LEFT lap bar forward while simultaneously moving the RIGHT lap bar rearward Release both lap ba...

Page 15: ...lade to an adjacent blade I E the blades do not need to be timed nor synchronized Hi lift These are generally the best cutting blades for most grasses and mowing conditions These blades will provide e...

Page 16: ...ard h Shift the deck forward until the Front Lift Rod is free and you are able to remove the deck See Figure 5 i To install reverse the process 2 Changing a Blade a Remove the Key from the ignition an...

Page 17: ...er arm clockwise While holding the idler arm back loosen the blade drive belt from the pulley and slide the belt away from the pulley d Remove tension of the PTO belt by moving the belt tensioning rod...

Page 18: ...f the hydraulic oil tank to drain Replace the plug i Place a small pan under the pump motor frame Remove fill oil cap from hydraulic reservoir for faster drainage Remove nut caps and drain oil from bo...

Page 19: ...must be opened out to the side in the neutral position Once the engine is started the seat must be occupied and the parking brake must be released before either of the steering levers is folded up to...

Page 20: ...th 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 hold down on the bac...

Page 21: ...diameter the tire can be repaired using an aerosol can of tire inflater and latex sealer available from any auto supply store Follow the directions on the can If the leaks are larger than 1 16 diamete...

Page 22: ...Start the engine and let it run at idle for about five minutes Check the filter for leaks Idling the engine and the pumps in this way will purge any air from the system Shut off the engine and rechec...

Page 23: ...s not subject to drastic changes in temperature Before storing the following maintenance procedures should be per formed a Clean the mower The entire tractor and cutting deck should be washed and clea...

Page 24: ...Change the engine oil and engine oil filter B Every 25 Hour Checks 1 Service the engine foam element air pre cleaner 2 Grease the three spindle bearings C Weekly or Every 50 Hour Checks 1 Change the...

Page 25: ...and Down Pivots Seat Hinge Steering Lever Linkage Rod End Bearings Lever Return Assembly Rod End Bearings Pump Control Lever Pivots Brake Lever Pivot Clevis Pin Brake Lever Control Rod Pivot Brake Co...

Page 26: ...nual 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 the...

Page 27: ...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 preferred oper...

Page 28: ...blade to ground height at the front blade tip 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 7 To adjust the...

Page 29: ...29 Jam Nuts Point B Figure 11 Inner Jam Nuts Point C Left Side Front of Unit Hex Nuts Point C Right Side...

Page 30: ...30 WIRING DIAGRAM...

Page 31: ...footing and you could slip resulting in serious injury Operate ZERO TURN mowers across the face of slopes never up and down slopes Operate WALK BEHIND mowers across the face of slopes never up and do...

Page 32: ...rake or clutch 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...

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