Regular Maintenance

Hydraulic Pump Drive Belt Replacement

 

 

 

1.

Park the tractor on a smooth, level surface such as a

 

B

 

 

concrete floor. Disengage the PTO, engage the parking

 

 

 

brake, turn off the engine, and remove the ignition key.

D

G

 

2.

Remove the PTO drive belt (see MOWER BELT

 

 

 

8 3/8”

 

REPLACEMENT for removal instructions).

 

 

 

 

F

(21,2 cm)

3.

Remove the hardware that secures the clutch anchor

E

 

 

 

pad to the PTO clutch.

 

 

 

 

WARNING

 

 

 

A

 

STORED ENERGY DEVICE: Improper release

 

 

 

of the belt tension spring can result in personal

 

 

injury. Use extreme caution when removing

 

 

 

 

this spring.

 

 

 

C

C

 

 

 

 

 

4.

Loosen the nut on the spring anchor eyebolt (G, Figure

Figure 47. Hydraulic Pump Drive Belt Replacement

 

47) to release the majority of the belt tension. Use

 

 

A. Pump Drive Belt

 

 

caution and remove the nut to completely release the

 

B. Crankshaft Pulley

 

 

 

C. Pump Pulley

 

 

tension.

 

 

 

 

 

 

for

 

 

 

 

 

 

 

Reproduction

5. Remove the old belt and replace it with the new one.

 

D. Idler Pulley

 

 

Make sure the V-side of the belt runs in the grooves

f

E. Idler Arm

 

 

the crankshaft pulley and pump pulleys (B & C).

 

 

F. Sp ing

 

6.

Reinstall the spring anchor eyebolt (G) into the anch

r

G. Spring Anch r Eyeb

lt

 

tab and loosely fasten the nut. Adjust the anchor

 

 

 

 

 

 

Not

 

 

 

 

eyebolt until a measurement of 8-3/8” (21,2 cm) is

 

 

 

 

 

achieved from the outside if the spring h ks. Tigh en

 

nut.

7.

Reinstall the clutch anchor pad to the PTO clutch and

 

secure with the hardware previously removed.

8.

Reinstall the PTO drive belt.

39