TM 5-5420-234-14&P
4-12. UNIT TROUBLESHOOTING (continued).
10. NO TRANSIT LIGHT DOES NOT OPERATE PROPERLY (MODEL A ONLY)
(continued).
KNOWN INFO
9.
TEST OPTIONS
NO TRANSIT WHEN LIT
Does the NO TRANSIT
Hook Arm Down
indicator bulb on all the
WHEN LIT indicator
Proximity Switch Test.
time.
bulb stay on with the
REASON FOR QUESTION
hook arm down prox-
POSSIBLE PROBLEMS
imity switch discon-
If the NO TRANSIT
Hook arm down proximity
nected?
WHEN LIT indicator bulb
switch faulty.
stays on with the hook
Linking harness faulty.
arm down proximity
switch disconnected,
there is a short indicated
somewhere in the circuit.
Replace hook arm
down proximity
NO
switch (para 4-94).
YES
4-182
Change 1
