TM-3-1040-279-12-P
GENERATOR SET, SMOKE, MECHANICAL: PULSE JET, M157 W/120 GAL FOG OIL TANK AND W/80 GAL FOG OIL TANK
TECHNICAL MANUAL; OPERATOR’S AND ORGANIZATIONAL MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST AND DEPOT MAINTENANCE REPAIR PARTS
MAY 1987
TM-3-1040-279-12-P - Page 72 of 389
TM 3-1040-279-12&P
TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 4.
Step 5.
Check for open circuit in smoke generator.
Disconnect cable assembly from connector 5J1 at each smoke generator.
Check continuity between pins J and K of connector 5J1 at each smoke generator.
If continuity was obtained, one of the vehicle cable assemblies is defective. Notify your
supervisor.
If continuity was not obtained, go to next step.
Check sensing elements of both smoke generators.
Disconnect cable assembly from sensing elements.
Check continuity between center pins of sensing elements. Do not short center pin to
connector shell.
If continuity was obtained, check smoke generator wiring (P. 4-34) for an open circuit.
Repair wiring or replace cable assembly W12 (P. 4-22) as required.
If continuity was not obtained, replace sensing element (P. 4-22).
4-8
Change 2
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