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Troubleshooting, Adjustment & Repair
PTO Clutch Belt Replacement
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 the
ignition key.
2. Open the hood to gain access to the PTO clutch
belts (A, Figure 58) 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
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
on the breaker bar.
7. Remove the old PTO clutch belts and replaces
with new ones. Make sure the V-side of the belts
runs in the pulley grooves.
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
on the gearbox pulley (D). Carefully release the
tension on the breaker bar.
9. Reinstall the PTO clutch bolt (B).
10. Reconnect the PTO clutch wire harness (G).
11. Close the hood and secure with hood latches.
12. Run the mower under no-load condition for about
5 minutes to break-in the new belt.
Idler Arm Spring Adjustment
1. Measure the idler arm spring (A, Figure 58) as
shown in Figure 58. The spring should measure
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).
• 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 58. 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
A
C
D
E
F
B
G
A
A
A
6” (15,24 cm)