TM 9-2320-365-20-2
2-1614
NO
YES
6.
Visual inspection
Air tanks pressurized.
Rear brakes apply OK.
Front brakes apply OK.
Brake shoe adjustment OK.
Brake linings OK.
Return springs OK.
Faulty detent washers.
Faulty adjusting pawl.
Faulty actuator.
Faulty plunger chamber
seals.
Faulty wedge assemblies
or brake chamber.
Are all detent washers
free from damage?
Damaged detent washers
will not allow automatic
adjusters to operate
properly.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
NO
YES
7.
Are adjusting pawl
springs present and
free from damage and
are pawl teeth free from
damage?
Faulty adjusting pawl.
Faulty actuator.
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.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Automatic adjusters will
not work if adjusting pawl
springs are damaged or
missing or if pawl teeth
are damaged.
Replace adjusting bolt
assembly (para 11-4
and 11-5).
Replace adjusting
pawl and spring
(para 11-4 and 11-5).
i1. EXCESSIVE BRAKING DISTANCE (CONT)