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Troubleshooting, Adjustment & Service
MOWER 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 hardware fastening the PTO clutch to
the rubber anchor pad.
3. 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.
4. Loosen the spring compression nut (B, Figure 32) to
release the belt tension.
5. Slide the drive belt over the edge of the idler pulley.
Drop the belt from the PTO clutch pulley groove.
6. Remove the old belt and replace with a new one.
Make sure the V-side of the belt runs in the pulley
grooves (Figure 33).
7. Install the drive belt on the PTO pulley, the spindle
pulleys and idler pulleys. Tighten the spring com-
pression nut (B, Figure 32) until the belt tension
spring (A, Figure 32) is 1-1/2” long.
8. Reinstall the hardware fastening the clutch to the
rubber anchor pad.
9. Run the mower under no-load condition for about 5
minutes.
To avoid damaging belts, DO NOT
PRY BELTS OVER PULLEYS.
Figure 33. Mower PTO Belt Routing
A. Spindle Pulley C. Spring-loaded Idler Pulley
B. PTO Drive Belt D. Stationary Idler Pulley
C
B
D
A
A
A
D
D
A
B
Figure 32. Mower PTO Belt
A. Belt Tension Spring
B. Spring Compression Nut
26
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 MOWER BELT
REPLACEMENT for removal instructions).
3. Loosen the nut towards the front of the machine on
the spring anchor hook (H, Figure 31) to release the
majority of the belt tension. Use caution and remove
the nut to completely release the tension.
4. Remove the old belt and replace it with the new one.
Make sure the V-side of the belt runs in the grooves
of the crankshaft pulley and pump pulleys (B & C,
Figure 31).
5. Reinstall the anchor hook (H, Figure 31) into the
anchor tab and loosely fasten the nut. Adjust the
spring until a measurement of 7-3/4” is achieved
from the outside if the spring hooks. Tighten nut.
6. Reinstall the PTO drive belt.
FRONT
Figure 31. Hydraulic Pump Drive Belt Replacement
A. Pump Drive Belt E. Idler Pulley
B. Crankshaft Pulley F. Idler Arm
C. Pump Pulley G. Spring
D. Idler Pulley (stationary) H. Spring Anchor Hook
B
E
F
A
C
C
H
D
G
7-3/4”