Troubleshooting, Adjustment & Repair

PTO Clutch Belt Replacment

1. Park the tractor on a smooth, level surface such as a concrete floor. Disengage the PTO, engage the

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

2. Open the hood to gain access to the PTO clutch belts (A, Figure 55) which is located on the rear of the engine.

3. Remove the PTO clutch anchor bolt (B).

4. Disconnect the PTO clutch wire harness (G).

5. Using a 1/2” breaker bar, place the square end

 

 

 

B

in the square hole located in the end of the

 

 

 

 

 

 

 

idler arm (C). Carefully rotate the breaker bar

 

 

 

 

CLOCKWISE, which will relieve tension on the

 

 

 

 

breaker bar.

 

 

 

 

 

6. Slide the PTO clutch belts over the edge of the

 

 

 

 

gearbox pulley (D). Carefully release the tension

 

E

 

 

on the breaker bar.

 

 

 

 

 

 

 

 

 

7. Remove the old PTO clutch belts and replaces

 

 

 

 

with new ones. Make sure the V-side of the belts

 

 

 

A

runs in the pulley grooves.

Reproduction

 

 

for

 

 

 

 

 

 

 

 

8. Install the new PTO clutch belts on the PTO clutch

 

 

 

(E) and the idler pulley (F). Carefully rotate the

 

 

 

 

breaker bar CLOCKWISE and install the pulley

 

 

 

A

 

Not

 

 

on the gearbox pulley (D). Carefully release he

 

 

 

 

tension on the breaker bar.

 

 

C

F

 

9. Reinstall the PTO clutch bolt (B).

 

 

 

 

10. Reconnect the PTO clutch wire harness (G).

 

 

 

D

11. Close the hood and secure with hood latches.

 

 

 

 

12. Run the mower under no-load condition for ab ut

 

 

 

 

5 minutes to break-in the new belt.

 

 

 

 

Idler Arm Spring Adjustment

 

 

 

 

 

1. Measure the idler arm spring (A, Figure 55) as

 

 

 

A

shown in Figure 55. The spring should m asure

 

A

 

 

6” (15,24 cm).

 

 

 

 

 

 

 

 

 

2. If the measurement does not equal 6” (15,24

 

 

 

 

cm) loosen the jam nut (B) and turn the spring

 

 

 

 

adjustment nut (C).

 

 

 

 

6” (15,24 cm)

• Turn the spring adjustment bolt CLOCKWISE to

 

 

 

 

 

lengthen the spring;

 

 

 

 

 

•Turn the spring adjustment bolt COUNTER- CLOCKWISE TO shorten the spring.

3.When the spring measurement equals 6” (15,24 cm) retighten the jam nut.

Figure 55. PTO Clutch Belt Replacement

A.PTO Clutch Belts

B.PTO Clutch Anchor Bolt

C.Idler Arm

D.Gearbox Pulley

E.PTO Clutch

F.Idler Pulley

G.Wire Harness

H.Idler Arm Spring

I.Jam Nut

J.Spring Adjustment Nut

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