DETAILED TROUBLESHOOTING PROCEDURE SUPPORT SYSTEM - SMOKE GENERATOR CONT.

TM 5-5420-226-20-1 DETAILED TROUBLESHOOTING PROCEDURE Symptom-77 SUPPORT SYSTEM - SMOKE GENERATOR (Continued) T Check smoke generator switch harness (CKT 415B) at SMOKE GENERATOR switch for electrical power. Second Technician (Operator’s Station) l Set MASTER BATTERY switch OFF. l Disconnect smoke generator switch harness connector from SMOKE GENERATOR switch connector. l Set multimeter to measure 18 to 30 volts dc, or use STE/ICE Test No. 89 (page 4-8l). l Connect red probe of meter to contact C (CKT 415B) of smoke generator switch harness connector and black probe to ground. l Set MASTER BATTERY switch ON. l Check if meter indicates 18 to 30 volts dc. Does meter indicate 18 to 30 volts dc? m GROUND // 0/⁶⁶⁰_B CKT 4158 CONTACT C / / \ .- (O 0 c) 0 0 SMOKE GENERATOR SWITCH c r I I AIR CLEANER bal 8 BLOWER 1 RELAY I L ) Repair smoke generator switch harness (CKT 4156) (page 10-298). TA107413 4-724