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Troubleshooting, Adjustment & Service
RIDER DRIVE BELT REPLACEMENT
1. Park the rider on a level surface. Disengage the PTO,
turn off the engine and set the parking brake, then
remove the key.
2. Remove the mower deck from the rider. See Mower
Installation & Removal.
18HP Models Only:
3. Support the outer rear weights (C, Figure 38) and
remove the capscrews (B). Remove the weights.
All Models:
4. Support rear weights (A, Figure 38) with a floor jack.
5. Remove the capscrew (B, Figure 38) from one of the
weights. Lower the jack and remove the weight.
Repeat with the other weight.
6. Unplug the wiring harness from the PTO clutch (A,
Figure 39). Remove the PTO clutch as shown in
Figure 39.
7. Remove the drive belt by sliding the belt between the
pulley and the belt guides. Carefully slide the belt
over the transmission pulleys.
8. Remove the old belt and install a new belt as shown
in Figure 40.
9. Reinstall the PTO clutch. Torque the PTO clutch
capscrew (D, Figure 39) to 45-50 ft. lbs.
10. Release the parking brake and adjust the belt guides
pictured in Figure 41 (belt guide clearance points are
indicated with arrows). There should be 1/16”-1/8”
between the belt and the belt guides.
Figure 40. Drive Belt Routing
A.
Engine Pulley
C. Transmission Pulleys
B.
Idler Pulley
Figure 38. Rear Weight Removal
A.
Outer Rear Weights
C. Outer Weights (18HP)
B.
Capscrews
D. Spacer (18HP)
A
B
Figure 39. PTO (Electric Clutch) Assembly
A. PTO Clutch
C. Lockwasher
B. Hex Washer
D. Capscrew
A
A
B
B
C
D
C
To avoid damaging belts, DO NOT PRY
BELTS OVER PULLEYS.
Torque to 45-50 ft. lbs.
Figure 41. Drive Belt Guide Positions
Transmission Carrier Viewed From Above
Belt Guides Marked
with Arrows Must be
Adjusted to within
1/16”-1/8” of Belt
D
B
C
OUTER Weights — 18HP Models
Rear Weights — ALL Models