Belt Maintenance
Replacing the Traction Drive
Belt
Service Interval:
Every 50 hours/Monthly (whichever
comes first)—Check the traction drive
belt
Look for cracks, wear, and signs of overheating.
1.
Remove the top bolt securing idler support and idler
bracket to rear frame (Figure 47).
Figure 47
1.
Top bolt
4.
Bottom bolt
2.
Idler bracket
5.
Traction drive belt
3.
Idler support
2.
Loosen bottom two mounting screws enough to allow
belt to pass between drive pulley and idler support
(Figure 47).
3.
Raise the wheel off the ground, to allow the belt to be
removed, and remove the belt.
4.
Install a new belt.
5.
Install the top bolt securing the idler support and idler
bracket to the rear frame (Figure 47).
6.
Tighten the bottom two mounting screws enough to
allow the belt to pass between the drive pulley and idler
support (Figure 47).
Replacing the Transmission
Belt
Service Interval:
Every 50 hours
1.
Disengage the PTO 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 PTO drive belt. Refer to Replacing the PTO
Drive Belt in the Belt Maintenance (page 33).
4.
Raise the front of the machine and hold with jack
stands.
5.
Disconnect clutch wire connector from wire harness.
6.
Disconnect clutch retainer from the engine deck
(Figure 48).
Figure 48
1.
Transmission belt
5.
Clutch wire connector
2.
Idler pulley
6.
Pivot bolt
3.
Clutch retainer
7.
Drive pulley
4.
Tension spring
8.
Engine deck
7.
Unhook tension spring from side of frame (Figure 48).
8.
Loosen pivot bolt enough to remove traction belt from
the drive pulley and clutch.
9.
Install new belt around clutch and drive pulley.
10.
Torque pivot bolt to 35-40 ft-lb (47-54 N-m). Install
tension spring between idler arm and frame bracket
(Figure 48).
11.
Install clutch retainer to the engine deck (Figure 48).
12.
Connect clutch wire connector to wire harness.
13.
Install PTO drive belt.
Replacing the Mower Belt
Service Interval:
Every 50 hours
Squealing when the belt is rotating, blades slipping when
cutting grass, frayed belt edges, burn marks and cracks are
signs of a worn deck belt. Replace the deck belt if any of
these conditions are evident.
1.
Disengage the PTO 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.
Unlatch and remove the carrier frame cover.
4.
Unlatch and remove the belt covers.
5.
Remove the PTO drive belt. Refer to Replacing the
PTO Drive Belt.
6.
Disconnect the idler arm spring to relieve tension on
the idler arm and idler pulley, then remove the worn
mower belt (Figure 49 or Figure 50).
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