Table of Contents
Advertisement
Belt Maintenance
Checking the Belts
Check all belts after every 50 operating hours or
monthly, whichever occurs first.
Look for dirt, wear, cracks and signs of overheating.
Replacing the Traction Drive
Belt
1. Remove hairpin cotter securing brake rod to brake
arm to relax belt idler tension (Figure 30).
2. Remove bottom and loosen top bolts of shield to
rotate for belt clearance (Figure 30).
3. Lift the belt past idler and off the drive pulley
(Figure 30).
4. Raise the wheel off ground enough to allow belt
removal.
5. Replace the traction drive belt.
6. Secure shield with previously removed bolt and
tighten bolts (Figure 30).
7. Secure brake rod to brake arm with hairpin cotter
(Figure 30).
Figure 30
1. Drive belt
2. Drive spring
Replacing the Drive Belt
1. Disengage the blade control (PTO) lever and set the
parking brakes.
2. Stop the engine and wait for all moving parts to stop
before leaving the operating position.
3. Raise the rear of the machine and hold it up with
jack stands.
4. Remove the mower belt (Figure 31).
3. Tire
4. Adjustment bolt
1. Idler pulley in slot
2. Traction belt
3. Mower belt
5. Loosen the pivot bolt enough to slide the idler pulley
in the slot and remove the traction belt from the
engine and the drive pulleys (Figure 31).
6. Install the new drive belt around the engine and the
drive pulleys (Figure 31).
7. Slide the idler pulley in the engine frame to tension
the traction belt (Figure 31).
8. Install the mower belt (Figure 31).
9. Check the belt guide under the engine frame for the
proper adjustment (Figure 31).
Note: The distance between the belt guide and
mower belt should be 3/4 inch (19 mm) when the
mower belt is engaged. Adjust the belt if necessary.
The disengaged belt should not drag or fall off the
pulley when the guides are properly adjusted.
Replacing the Mower Belt
Important: The brake needs to be adjusted when
the belt tension or the brake linkage is adjusted.
1. Disengage the blade control (PTO) lever and set the
parking brakes.
2. Stop the engine and wait for all moving parts to stop
before leaving the operating position.
3. Remove the knobs and the belt cover on the mower.
4. Remove the idler pulley and the worn belt (Figure 32).
5. Install the new mower belt.
6. Install the idler pulley.
7. Engage the blade control (PTO) lever and check
the belt tension. Refer to Adjusting the Mower Belt
Tension.
29
Figure 31
4. Belt guide
5. 3/4 inch (19 mm)
6. Mower belt
Advertisement
Table of Contents
