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caps and drain oil from both left and right 
pumps. Replace and retighten nuts.

j.

Coat new filter seal with oil before installa-
tion. Install new hydraulic oil filter filled with 
new oil.

k.

Add proper amount of hydraulic oil to res-
ervoir.

l.

Run and purge gearboxes. Check oil level.

m. Add proper amount of hydraulic oil to res-

ervoir and repeat step L.

C.Electrical Circuit

Danger:

Read General Safety Precautions Nos. 9 and 10.

1.

Battery: The battery is located beneath the 
operator’s seat. Remove the fillcaps and 
check the level of the liquid electrolyte in the 
battery every 50 operating hours. If the level in 
any of the six cells has dropped below the 
bottom of the split ring inside the fill hole, refill 
the cell with distilled water. To keep the out-
side of the battery clean, brush on a strong 
solution of bicarbonate of soda and water and 
rinse with clean water. Keep the contacts and 
cable ends clean with a wire brush and make 
sure the connections are tight. Coat the termi-
nals with petroleum jelly to prevent corrosion.

2.

Battery Storage: When storing the Mower for 
long periods of time the following guidelines 
should be taken.

a.

Disconnect the battery cables from the ter-
minals and remove the battery. You will 
have to remove the control panel to access 
the battery strap. Replace control panel.

b.

Clean the battery before storing. A dirty 
battery will lose its charge over time.

c.

Store the battery with a full charge. A dis-
charged battery will freeze (refer to the 
table below).

d.

Recharge battery when ever the specific 
gravity value is less than 1.225

3.

Battery Removal

Warning:

When removing the cables from the battery 

follow these steps to avoid a short between 
the wrench and the frame.

a. Remove the Negative (black) cable.
b.

Remove the Positive (red) cable.

c.

Release the hold down straps.

d. Remove the battery without tipping.

4.

Installing the Battery

Note:

 

The battery is delivered from the fac-

tory fully charged and filled with electrolyte.

a.

Attach the Positive (red) cable.

b.

Attach the Negative (black) cable.

c.

Attach the rubber battery strap.

5.

Jump Starting

Warning:

Failure to use this starting procedure can 
cause sparking, and the gases in the battery 
to explode.

a.

Attach the end of the red jumper cable to 
the Positive terminal (+) of the charged 
battery.

b.

Attach the other end of the red jumper 
cable to the Positive terminal (+) of the low 
charge battery.

c.

Attach the end of the black jumper cable to 
the Negative terminal of the charged bat-
tery.

d.

Attach the other end of the black jumper 
cable to the frame of the unit with the low 
charge battery.

6.

Fuses: There is one fuse located in the wiring 
between the ignition and start switch and 

Figure. 9

Hydraulic pumps

Unfasten hose and drain from 
this side of both pumps. 

Specific Gravity

Freezing Temp (°F)

1.265

-71

1.250

-62

1.200

-16

1.150

5

1.100

16

Summary of Contents for 25HP Tank

Page 1: ...Hydrostatic Zero Turn Commercial Riding Mower Professional Turf Equipment OPERATOR S AND SERVICE MANUAL MODEL 25HP Tank 53AB5BAX150 53AB5DCX150...

Page 2: ...e and Service 14 A Mower Deck 14 B Hydraulic Oil 16 C Electrical System 17 D Tires 19 E Brakes 19 F Hydraulic System 20 G Storage 21 Maintenance Schedule 22 Performance Adjustments 24 A High Speed Tra...

Page 3: ...your mower at peak efficiency If operated and maintained properly your mower will give dependable service CAUTION Only thoroughly trained persons should operate and maintain this mower This machine ca...

Page 4: ...alled 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 gr...

Page 5: ...er use the mower without the discharge chute installed and placed in the down position 4 Always remove debris and other objects from the area to be mowed Note debris and loose grass will reduce tracti...

Page 6: ...nning ROTATING BLADE DANGER Part Number 00030633 Part Number 01003449 Part Number 01003450 Part Number 01003857 KEEP HANDS and FEET AWAY DANGER TO R ED U CE TH E RI SK OF IN JU RY D O N OT O P E R AT...

Page 7: ...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 lift Parking Brake Inter...

Page 8: ...d 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 object while mowing turn off the blade clutch switch place the steer ing l...

Page 9: ...wed B Controls 1 Engine Ignition and Start Switch See Fig ure 1 Located on the instrument housing below the right side of the operator s seat When the key is inserted and turned clock wise 45 degrees...

Page 10: ...foot 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 posit...

Page 11: ...sive 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 adjust the mowing deck to...

Page 12: ...ct the machine to make sure 1 All guards shields including mower chute deflector are in their proper place are secure and are functional 2 That there are no spilled or leaking fuel or oil sources nor...

Page 13: ...of the machine until the machine begins to move rearward Release the lap bars and the machine should stop The more the lap bars are moved toward the rear of the machine the faster the machine will mo...

Page 14: ...her you move the levers forward the faster the mower will go forward h To back up move both steering levers slightly backward and the mower will slowly move backward The farther you move the levers ba...

Page 15: ...injury Wrap the cutting surface of the blade with a rag to avoid injury a Set the parking brake b Clean any debris from the blades Keep blades sharp and free of build up at all times c Sharpen blades...

Page 16: ...b Stop the engine and remove the key from the ignition switch c Clean the area around the Hydraulic Oil fill neck d Remove the hydraulic fill cap and check the level The correct level is up to the low...

Page 17: ...l b Clean the battery before storing A dirty battery will lose its charge over time c Store the battery with a full charge A dis charged battery will freeze refer to the table below d Recharge battery...

Page 18: ...ut in the neutral posi tion the parking brake engaged and the blade clutch switch off swing the left steering lever up to the operating position and try to start the engine The engine should not start...

Page 19: ...p free Slip the axle assembly through one side of the caster yoke through a spacer sleeve a spare wheel the other spacer sleeve and finally through the other side of the caster yoke Then tighten the l...

Page 20: ...gallon drain pan under the drain plug on the bottom of the hydraulic oil tank Remove the drain plug drain the tank then replace the plug Place the drain pan under the filter and remove the filter by u...

Page 21: ...mal position and place the steering lever on the side you adjusted up to the operating position If you feel a slight push forward or a slight pull backward from the neu tral position you must adjust t...

Page 22: ...and the hydro drive belt g Check the blades Make sure they are sharp and that the blade securing cap screws are tight h Check the cutting height 2 When ready to start the engine a Check the five safe...

Page 23: ...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 24: ...see Fig 1 on page 8 of the manual 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 t...

Page 25: ...rd position 1 Operator s back should stay 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...

Page 26: ...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 27: ...27 WIRING DIAGRAM...

Page 28: ...28 MAINTENANCE RECORD DATE WORK PERFORMED DATE WORK PERFORMED...

Page 29: ...29 MAINTENANCE RECORD DATE WORK PERFORMED DATE WORK PERFORMED...

Page 30: ...30 MAINTENANCE RECORD DATE WORK PERFORMED DATE WORK PERFORMED...

Page 31: ...MAINTENANCE RECORD DATE WORK PERFORMED DATE WORK PERFORMED...

Page 32: ...brake 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 th...

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