Figure 71
Left Hand Brake Shown
1.
Cable anchor
5.
Caliper
2.
Hold threaded rod here
6.
Compression spring
3.
Measure
7.
Threaded rod
4.
Lock nut
8.
Hub
10.
Disengage the park brake. Turn the wheel hub by hand
in both directions relative to the caliper; no drag of the
caliper pad on the wheel hub is desired.
11.
If there is no movement between the hub and the
caliper then repeat the adjustment (ensure the drive
release valves are in the
released
position on the
hydros).
12.
After adjusting the brakes on both sides of the mower,
cycle the brake handle a minimum of 6 times to allow
the cable to seat into the sheath and mounting tabs.
13.
Recheck the spring length; engage the park brake and
repeat steps 8 through 11 if the length is not in the
correct range.
14.
Rotate the drive wheel release handle to the
operating
position. Refer to Using the Drive Wheel Release
Valves (page 25).
15.
Install the rear tires and torque lug nuts between 122
and 129 N-m (90 and 95 ft-lb).
16.
Remove jack stands.
Belt Maintenance
Inspecting the Belts
Service Interval:
Every 50 hours
Check the belts for 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.
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.
Lower the mower to the 76 mm (3 inch) height of cut.
4.
Remove the belt covers (Figure 72).
G009036
1
2
Figure 72
1.
Push tab down
2.
Remove belt cover
5.
Use a ratchet in the square hole in the idler arm to
remove tension on the idler spring (Figure 73).
6.
Remove the belt from the mower deck pulleys.
7.
Remove the belt guide on the spring loaded idler arm
shown in Figure 73.
8.
Remove the existing belt.
9.
Install the new belt around the mower pulleys and the
clutch pulley under the engine (Figure 73).
46
