TM 9-2330-386-14&P
ORGANIZATIONAL TROUBLESHOOTING TABLE - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
BRAKES - continued
5. SLOW BRAKE APPLICATION OR RELEASE - continued.
S t e p 4.
b. If emergency relay valves are operating, go to step 5.
WARNING
T o prevent injury, keep hands away from brake chamber
push rods and slack adjusters. They will move as service
brakes are operated, and will automatically apply if
system pressure drops.
Step 5. Have a helper apply and hold the towing vehicle service brakes.
Using soapy water, check spring brake chambers for leaks at clamp
a . If leaks are seen at brake chamber clamp band, replace spring
b. If leaks are seen at hose fitting, tighten hose fitting or
c. If brake chambers are not leaking, go to step 6.
R e m o v e brake drum (para. 4-38) and check for broken brake shoe
S t e p 6.
tension spring.
b. If spring is not defective, go to step 7.
Step 7. Visually check for broken or frozen camshaft roller.
6. GRABBING BRAKES.
S t e p 1.
WARNING
Wear protective goggles when opening drain cock and avoid
the air stream. Failure to do so could result in personal
injury.
a. Open drain cocks and allow moisture to drain.
b. If no moisture is present, close drain cocks and go to step 2.
4-18