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Belt Maintenance
Inspecting the Belts
Service Interval: Every 100 hours
Check the belts for cracks, frayed edges, burn marks or
any other damage. Replace damaged belts.
Replacing the Mower Belt
Squealing when the belt is rotating, blades slipping when
cutting grass, frayed belt edges, burn marks and cracks
are signs of a worn mower belt. Replace the mower belt
if any of these conditions are evident.
1. Disengage the PTO, move the motion control levers
to the neutral locked position, and set the parking
brake.
2. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
3. Remove the belt covers.
4. Loosen the nut securing the idler plate and move
the idler plate to relieve the belt tension on the idler
pulley (Figure 46).
5. Remove the nut, washer and belt guide from the rear
leftside pulley.
6. Remove the mower belt from the belt guides and
remove the belt (Figure 46).
7. Install the new mower belt around the mower spindle
pulleys, mower idler pulley, into the belt guides, into
rear idler arm assembly, and the clutch (Figure 46).
8. Install the belt guide with a washer and nut onto the
rear leftside pulley.
Note: Check the amount of twist in the belt
between the pulleys. Ensure it is only what is
specified in Figure 46.
1. Clutch
2. Mower belt
3. 1/4 trun belt twist
4. Belt guide
5. Mower spindle pulley
9. Adjust the belt tension, refer to Adjusting the Mower
Belt Tension.
10. Install the belt covers and close the latches.
Adjusting the Mower Belt
Tension
1. Disengage the PTO, move the motion control levers
to the neutral locked position, and set the parking
brake.
2. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
3. Raise the mower to the transport position.
Important: Check the amount of twist in the
belt between the pulleys. Make sure it is only
what is specified in Figure 46.
Important: Check and make sure the belt is
installed into both the front and rear belt guides
(Figure 47).
4. Check the belt tension. The spring loaded idler
center bolt needs to be near the top alignment hole
in left support plate (Figure 47).
37
Figure 46
6. Mower idler pulley
7. Belt guide installed
8. Nut
9. Washer
10. Rear left side pulley
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