TM-9-2350-247-20-1 Unit Maintenance Manual Volume 1 M548A1 M548A3 Tracked Cargo Carrier Download
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TM 9-2350-247-20-1 MASTER SWITCH ON INDICATOR DOES NOT LIGHT 0049 00 INITIAL SETUP: M a i n t e n a n c e L e v e l Unit T o o l s a n d S p e c i a l T o o l s General Mechanic’s Tool Kit (WP 0541 00, Item 57) Multimeter (WP 0541 00, Item 29) P e r s o n n e l R e q u i r e d Unit Mechanic R e f e r e n c e s See your -10 E q u i p m e n t C o n d i t i o n Engine stopped (see your -10) Carrier blocked (see your -10) NOTE M548A1 and M548A3 troubleshooting procedures are the same. M548A1 procedure is shown. T 1. Remove MASTER SWITCH ON indicator cover lens (1), gasket (2), and bulb (3). 2. Check continuity between bulb center contact (4) and bulb base (5). 3. Does multimeter indicate any continuity? YES NO TN 1. Replace MASTER SWITCH ON bulb (WP 0271 00). 2. Verify no faults found. Y 1. Install MASTER SWITCH ON indicator bulb, gasket, and lens. 2. Turn MASTER SWITCH ON. 3. Is BATTERY-GENERATOR+4p gauge in the green zone? YES NO GO TO BY (PAGE 0049 00-3) 0049 00-1