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BRAKES
Read all of SAFETY and this section before attempting any procedure. Pay particular attention to Notices, Cautions, Warnings and Dangers.
B
10
Adjuster Tries
to Move Star Wheel?
Star Wheel Rotates?
Free Movement of
Sliding Anchor?
11
Visually Inspect
Brake Springs
Springs
Bent, Broken
or Missing?
12
Visually Inspect
Brake Shoes
Damaged,
Worn .06" or less,
Glazed?
13
Carefully
Reset
Adjuster
14
Repeat Wheel Brake
Work to Other Side
From Step
15
Install Inner Brake Drum
Washers and Apply
Anti-seize compound
to Splines
16
Install Brake Drum
and Torque
44
Disassemble
Brake,
No
Clean, Lube.
Replace
Adjuster
Both Sides.
Yes
Replace
Yes
Both
Sides
No
Disassemble,
Yes
Clean and Lube
Bosses
No
Install New
Shoes and
Springs
8
to
13
Figure 5 Fault Testing Flowchart
17
Install Wheel and Tire,
Check Tire Pressure.
Torque Lug Nuts.
18
**
Dynamic Adjust
Brakes and Pedal
Wheel Brake
19
Wheel Brake
Return to Service
Dynamic Adjust means to fully apply and release the brakes on a
**
vehicle while it is rolling. Verify that some
braking function exists, then drive vehicle at slow speed and
apply the brakes aggressively. As the brakes adjust and stop the
vehicle more effectively, start driving at maximum speed and brake
aggressively 10 times. At the spherical nut, readjust the free travel.
Drive and brake aggressively 10 more times. Repeat until the pedal
free travel stabilizes within the specified range.
Repair and Service Manual
Free Travel
No
Clevis Pins
Tight?
Yes
Re-Adjust
Free Travel
Aggressive
Brake Test
(10 times)
Go to
Yes
If tight after
Clevis Pins
second time,
Tight?
go to
No
Pass
PBPT
Fail
19
first.
5
.
653045
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