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Figure 68
Left-hand brake shown
1. Cable anchor
2. Hold threaded rod here
3. Measure
4. Locknut
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 (drive release valves
must be in the released position on the hydraulic
units).
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 the Using the Drive-wheel Release
Valves section in Operation.
15. Install the rear wheels and torque the lug nuts between
122 and 129 N-m (90 and 95 ft-lb).
16. Remove jack stands.
5. Caliper
6. Compression spring
7. Threaded rod
8. Hub
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.
Important: The fasteners on the covers of this machine
are designed to remain on the cover after removal.
Loosen all of the fasteners on each cover a few turns so
that the cover is loose but still attached, then go back
and loosen them until the cover comes free. This will
prevent you from accidentally stripping the bolts free
of the retainers.
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. To access the center pulley, remove the bolts holding
the floor pan down and raise the floor pan.
5. Remove the plastic belt cover (Figure 70).
6. Remove the 3 bolts holding the metal belt cover in
place and remove the metal belt cover.
49
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