TM 9-2330-271-14&P
Table 4-2. Troubleshooting - Continued
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Table 4-2. Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
MALFUNCTION
CORRECTIVE ACTION
TEST OR INSPECTION
CORRECTIVE ACTION
BRAKE SYSTEM - Continued
BRAKE SYSTEM - Continued
Step 2.
Check to see if air filter is clogged (if
installed).
Step 2.
Check for grease on brake lining.
Step 3.
Check for defective relay valve.
replace if necessary
Step 3.
Check for defective wheel cylinder
Step 4
Check for air m hydraulic brake system
7
NOISY BRAKES
Step 5
Check for weak or broken brake shoe re-
Step 1.
Check for loose rivets or loose lining.
traction spring
Step 2.
Check for scored or deformed brake drum
Step 6
Check for insufficient brake fluid in master
cylinder
Fill master cylinder with brake fluid until
Step 3.
Check for road grit, rust or metal particles in
fluid level is one-half to three-eighths of an
brake drum.
Clean brake drum and brake components.
WHEELS AND HUBS
Step 7
Check for defective master cylinder
1.
WHEEL NOISE
Step 1.
Check for worn wheel bearings
Step 8
Check for defective wheel cylinder
Step 2.
Check for worn brake lining or lining that is
too tight against drum
4.
GRABBING BRAKES
Step 1
Check for moisture In air filters (if installed)
Step 3
Check to see if wheel bearings are too tight
or air reservoir
Drain air filters and drain air reservoir
Step 2
Check for defective relay valve
2.
WHEEL WOBBLE
Step 1.
Check wheel bearings for wear or damage
Replace If necessary
Replace worn or damaged wheel bearings
Step 3.
Check for grease on brake lining.
Step 2.
Check to see if wheel bearings are too loose.
Adjust or replace loose wheel bearings (para-
Step 4.
Check to see if brakes are out of adjustment
graph 4-47).
RIGID LANDING GEAR
Step 5.
Check for cracked, scored, or deformed brake
1.
ERRATIC OPERATION (BINDING AND GRINDING)
drum.
Step 1.
Check for grit and dirt on working parts
Clean working parts
Step 2.
Check for adequate lubrication
Step 6
Check for loose or worn brake lining
Lubricate in accordance with the lubrication
Step 7
Check for loose or worn wheel bearings
SWING-UP LANDING GEAR
1.
ERRATIC OPERATION (BINDING AND GRINDING)
they cannot be adjusted properly, replace
Step 1
Check for grit and dirt on working parts
Clean working parts
5.
BRAKE DRUM RUNNING HOT
Step 2
Check operation after cleaning
Step 1
Check to see If brakes are adjusted too tightly
Replace landing gear if binding persists
Lubricate In accordance with lubrication
Step 2
Check for weak or worn brake shoe retraction
spring
1.
JACK IS HARD TO OPERATE
Step 3
Check for deformed brake drum
Step 1
Check lubrication
Lubricate according to lubrication order
6.
UNEVEN BRAKING
Step 2
Check for bent jack screw
Step 1
Check to see if brakes are out of adjustment
Replace leveling jack if jack screw is bent
Step 3
Check for bent or dented housing
Replace housing as necessary
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