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Troubleshooting, Adjustment & Service
FRONT
Figure 40. Hydraulic Pump Drive Belt Replacement
A. Pump Drive Belt E. Idler Pulley (Ribbed)
B. Crankshaft Pulley F. Idler Pulley (Smooth)
C. Pump Pulley G. Idler Arm
D. Spring(s) H. Spring Anchor Bolt(s)
A
E
B
C
C
F
D
H
E
G
F
MOWER BELT REPLACEMENT
PTO 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. Remove the hairpin clip and clevis pin and remove
the deck lift foot pedal. Lift the floor plate to gain
access to the PTO drive belt.
3. Release the spring tension on the PTO drive belt
with a wrench on top of the idler pulley (A, Figure
41).
4. Slide the drive belt over the edge of the idler pulley.
Drop the belt from the PTO clutch pulley groove.
NOTE: Releasing the belt tension may loosen the hard-
ware fastening the idler pulley to the idler arm. Make
sure to re-tighten the hardware if this occurs.
5. Remove the old belt and replace with a new one.
Make sure the V-side of the belt runs in the pulley
grooves (Figure 42).
6. Install the drive belt on the PTO pulley, the arbor pul-
ley and V-sided idler pulley. Release the spring ten-
sion on the idler pulley (A, Figure 41) and install the
belt onto the pulley.
7. Run the mower under no-load condition for about 5
minutes.
FRONT
Figure 42. Mower PTO Belt Routing
A. Arbor Pulley C. Idler Pulley (Flat-sided)
B. PTO Drive Belt D. Idler Pulley (V-sided)
C
B
D
A
Figure 41. Mower PTO Belt
A. Idler Pulley (Flat-sided)
B. PTO Drive Belt
B
A
HYDRAULIC PUMP DRIVE 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. Remove the PTO drive belt (see section below for
instructions).
3. Remove the nuts fastening the spring anchor bolts
(H, Figure 40) to the anchor arm.
4. Remove the old belt and replace it with the new one.
Be sure the ribs of the belt are seated correctly in
the grooves of the pump pulleys, crankshaft pulley
and the ribbed idler pulleys (C, B and E, Figure 40).
5. Reinstall the anchor bolts (H, Figure 40) into the
anchor arm and fasten the nuts.
6. Reinstall the PTO drive belt.
To avoid damaging belts, DO NOT
PRY BELTS OVER PULLEYS.