TM 55-2210-223-34
TO 45A2-2-14-22
Table 3-1. INTERMEDIATE DIRECT SUPPORT AND INTERMEDIATE GENERAL SUPPORT
TROUBLESHOOTING (continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
HORN
39. HORN WILL NOT SOUND.
Step 1.
Check to see if the auxiliary air cutout is open.
Open auxiliary air cutout.
Step 2.
Check for a defective horn valve.
Repair or replace horn valve (TM 55-2210-223-12).
LIGHTS
40. HEADLIGHTS WILL NOT FUNCTION PROPERLY.
Step 1.
Check for broken or burned out headlamps.
Replace headlamps (TM 55-2210-223-12).
Step 2.
Check for tripped circuit breakers CB7, CB60, or CB61.
Reset tripped circuit breakers CB7, CB60, or CB61.
Step 3.
Check for defective headlight switch S68.
Replace headlight switch S68 (TM 55-2210-223-12).
Step 4.
Check for defective train line switch S4.
Replace train line switch S4 (TM 55-2210-223-12).
Step 5.
Check for defective headlight resistors.
Replace headlight resistors (para 3-32).
41. CAB LIGHTS WILL NOT FUNCTION PROPERLY.
Step 1.
Check for burned out light bulbs.
Replace light bulbs (TM 55-2210-223-12).
Step 2.
Check that circuit breaker CB4 has been tripped.
Reset circuit breaker CB4.
Step 3.
Check that circuit breaker CB50 has been tripped.
Reset circuit breaker CB50.
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