TM 5-5420-234-14&P
4-12. UNIT TROUBLESHOOTING (continued).
2. BAP FRONT PIN LOCK WILL NOT OPERATE (continued).
AUDIBLE INSPECTION
(1) Remove two screws and lockwashers
from bracket and control valve.
Discard lockwashers.
(2) Remove two screws and lockwashers
from bracket. Discard lockwashers.
(3) Remove two screws, lockwashers,
and nuts, lanyard, and bracket from
frame.
(4) Remove air line fitting from elbow on
inlet port of control valve. Check for
air pressure at end of air line.
(a) Very little or no air pressure
indicates air line between BAP air
supply hose and control valve is
damaged. Replace air line (para
(b) Steady air pressure indicates air
line is good.
(5) Install fitting on elbow on inlet port of
control valve.
SCREW (2 PLACES)
LOCKWASHER
(2 PLACES)
BRACKET
NUT
SCREW
AIR LINE
(2 PLACES)
FITTING
(2 PLACES)
ELBOW
CONTROL
LOCKWASHER
VALVE
(2 PLACES)
LANYARD
LOCKWASHER
INLET
(2 PLACES)
PORT
SCREW
(2 PLACES)
4-35
