Figure 75
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 six 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 the
Using the Drive Wheel
Release Valves
section in Operation.
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
Counter-Rotating 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 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 inches) height of cut.
4.
Lift the floor pan up to gain access to the center pulley.
5.
Remove the plastic belt cover (Figure 77).
6.
Remove the 3 bolts holding the metal belt cover in
place and remove the metal belt cover.
Figure 76
1.
Idler spring
4.
Idler pulley
2.
Counter-rotating belt
5.
Square hole for ratchet
3.
Double pulley
49
