g026961
Figure 78
Left Side Shown
1.
L-bracket
4.
Rear linkage assembly
2.
Linkage stop
5.
Caliper
3.
Gap
6.
Wheel hub
9.
Disengage the parking brake, the lever should
be in the down position.
10.
Turn the wheel hub by hand in both directions
relative to the caliper; the wheel hub should
move freely between the caliper.
11.
If a gap is needed or the wheel hub does not
move freely:
A.
Disengage the parking brake.
B.
Disconnect and fine-tune the rear linkage
assembly:
•
Shorten the link to create a gap.
•
Lengthen the link to allow wheel hub
movement.
C.
Connect the rear linkage assembly.
12.
Engage the parking brake and check the gap.
13.
Repeat steps
through
until a visible gap is
achieved and the wheel hub rotates freely.
14.
Repeat this procedure for the brake on the
opposite side.
15.
Rotate the drive-wheel release handle to
the operating position; refer to
Drive-Wheel-Release Valves (page 31)
.
16.
Install the rear tires and torque the lug nuts;
refer to
Checking the Wheel Lug Nuts (page 48)
.
17.
Remove the jack stands.
Belt Maintenance
Inspecting the Belts
Service Interval:
Every 50 hours
Replace the belt if it is worn. The signs of a worn belt
include squealing while the belt is rotating; the blades
slipping while cutting grass; and frayed edges, burn
marks, and cracks on the belt.
Replacing the Mower Belt
1.
Disengage the blade-control switch (PTO), move
the motion-control levers to the N
EUTRAL
-
LOCK
position, and engage the parking brake.
2.
Shut off 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 (
g027729
Figure 79
1.
Push the tab down
2.
Remove the belt cover
5.
Use a ratchet in the square hole in the idler arm
to remove tension on the idler spring (
).
6.
Remove the belt from the mower-deck pulleys.
7.
Remove the belt guide on the spring-loaded
idler arm (
8.
Remove the existing belt.
9.
Install the new belt around the mower pulleys
and the clutch pulley under the engine (
53