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Troubleshooting, Adjustment & Service
BELT REMOVAL & REPLACEMENT
Pump Drive Belt Removal
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. Remove the PTO drive belt from the clutch (see
PTO
DRIVE BELT REMOVAL
for instructions).
3. Using a 1/2” breaker bar, place the square end in the
square hole located in the middle of the idler arm
(A, Figures 47). Carefully rotate the breaker bar
COUNTER-CLOCKWISE, which will relieve the ten-
sion on the belts exerted from the idler arm.
4. Remove the belts from the right-hand and left-hand
pump drive pulley grooves.
5. Carefully release the tension on the breaker bar.
6. Unhook the spring (B) from the anchor bolt on the
idler arm.
7. Remove the belts from the crankshaft pulley grooves
and pull out from behind the clutch.
Pump Drive Belt Replacement
1. Place the belts under clutch into the crankshaft pul-
ley grooves.
2. Wrap the belts around the top side of the idler arm
pulley and install the belts in the right-hand pump
pulley grooves.
3. Reinstall the spring onto the anchor bolt on the idler
arm.
4. Carefully rotate the idler arm with the breaker bar
counter-clockwise (see Figure 47). While holding the
breaker bar firmly, install the belts in the left-hand
pump pulley grooves and the two stationary idler pul-
leys grooves.
5. Carefully release the tension on the breaker bar.
6. Inspect the belt path making sure that all belts are
properly seated in the pulley grooves.
7. Reinstall the PTO drive belt from the clutch (see
PTO
DRIVE BELT REPLACEMENT
for instructions).
Figure 47. Pump Belt Removal & Replacement
A. Pump Drive Idler Arm
B. Spring
WARNING
Use extreme caution when rotating the idler arm
with the breaker bar, due to the increased tension
in the spring as the idler arm is being rotated.
Injury may result if the breaker bar is prematurely
released while the spring is under tension.
A
B
35
To avoid damaging belts,DO NOT
PRY BELTS OVER PULLEYS.
WARNING
If servicing the belts after the engine has been
running, use extreme caution when raising the
hood or lowering the rear shield.The surface of
the hood and rear shield can be hot from the
muffler and exhaust manifold.