Corrective action
Malfunction
Probable cause
5. Brakes grab.
a Brakes improp-
a Adjust brakes
erly adjusted.
(para4-42).
b. Defective brake
b. Replace brake
valve (para 4-46).
relay valve.
c. Refer other
c. Other causes.
causes to direct and
general support main-
tenance personnel.
6. Brakes overbeat.
a Replace brake
a Brake shoe
spring (para 4-43).
spring loose or broken
b. Brakes improp-
b. Adjust brakes
erly adjusted.
(para 4-42).
c. Refer other
c. Other causes.
causes to direct and
general support main-
tenance personnel.
7. Compressor noisy.
a. Loose flywheel
(para 4-23).
or engine pulley.
b. Replace V-
b. Worn V-belts.
belts (para 4-23).
c. Refer other
c. Other causes.
causes to direct and
general support main-
tenance personnel.
8. Compressor V-belts
a. Drive pulleys
out of alinement.
worn excessively
(para 4-23).
b. Adjust V-belts
b. V-belts too
(para 3-17).
loose or tight.
c. Replace V-belts
c. Oil or grease
(para 3-17).
on V-belts.
d. Refer other
d. Other causes.
causes to direct and
general support main-
tenance personnel.
a. Clean control
a. Dirty or stick-
9. Lubricant delivery
valve (para 4-32).
ing control valve.
is faulty.
b. Tighten all
b. Leak in lubri-
cant lines.
hose couplings and
replace defective
hoses (para 4-33).
c. Refer other
c. Other causes.
causes to direct and
general support main-
tenance personnel.
a. Inspect line
a Faulty connect-
10. Lubricant pump
for leaks in hose,
ions in grease line.
fails to operate.
swivel connectors,
control handle and
pipeline.
b. Inspect air con-
b. Inadequate sup-
nections. Repair and
ply of air.
replace parts as
required (para 4-29).
c. Other causes.
c. Refer other
causes to direct and
general support main-
tenance personnel.
4-3
