TM 9-2320-365-20-2
2-1616
NO
YES
Faulty actuator.
Faulty plunger chamber
seals.
Faulty wedge assemblies
or brake chamber.
8.
Are actuator teeth
free from damage?
Damaged actuator teeth
will not allow automatic
adjusters to operate
properly.
Visual inspection
Air tanks pressurized.
Rear brakes apply OK.
Front brakes apply OK.
Brake shoe adjustment OK.
Brake linings OK.
Return springs OK.
Detent washers OK.
Adjusting pawl OK.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
NO
YES
Are seals free
from damage?
9.
Automatic adjusters will not
work if seals are damaged
and allow dirt to enter
plunger chamber.
Faulty plunger chamber
seals.
Faulty wedge assemblies
or brake chamber.
Visual inspection
Air tanks pressurized.
Rear brakes apply OK.
Front brakes apply OK.
Brake shoe adjustment OK.
Brake linings OK.
Return springs OK.
Detent washers OK.
Adjusting pawl OK.
Actuator OK.
KNOWN INFO
TEST OPTIONS
POSSIBLE PROBLEMS
REASON FOR QUESTION
Replace actuator (para 11-4
and 11-5).
Replace seals (para 11-4
and 11-5).
i1. EXCESSIVE BRAKING DISTANCE (CONT)
