TM 5-5420-234-14&P
4-12. UNIT TROUBLESHOOTING (continued).
2. BAP FRONT PIN LOCK WILL NOT OPERATE (continued).
MANUALLY EXTEND AND CON-
TRACT TWO AIR CYLINDERS
WITH BREATHER INSTALLED.
(1) Pull and release curb-side and
road-side latch handles to
extend and contract air
cylinders.
(a) If air cylinders do not
extend and contract or
move slowly and bind, air
cylinders are damaged.
Replace damaged air
cylinders (para 4-35). Go
to Step 6 of this fault.
(b) If air cylinders do extend
and contract smoothly, go
to Step (2). Verify repair.
(2) Install air cylinder guard on
curb-side and road-side front
FRONT
pin locks with two screws and
PIN LOCK
new lockwashers.
LATCH
HANDLE
LOCKWASHER
~
SCREW
AIRCYLINDER
GUARD
BREATHER
AIR
CYLINDER
4-43
