TM-9-2350-261-20-1 Unit Maintenance Manual Volume 1 M113A2 M577A2 M1064 M1068 M1059 M901A1 Download
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TM 9-2350-261-20-1 MASTER SWITCH ON INDICATOR DOES NOT LIGHT 0046 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 Digital Multimeter (WP 0780 00, Item 43) General Mechanic’s Tool Kit (WP 0780 00, Item 29) P e r s o n n e l R e q u i r e d Unit Mechanic 63T10 Helper (H) E q u i p m e n t C o n d i t i o n Engine stopped/shutdown (see your -10) Carrier blocked (see your -10) T 1. Remove MASTER SWITCH ON indicator cover lens (1), gasket (2), bulb (3), and gasket (4). 2. Measure resistance between bulb center contact (5) and bulb base (6). 3. Does multimeter read less than infinity? TN 1. Replace MASTER SWITCH ON bulb (WP 0240 00). 2. Verify no faults found. Y 1. Turn MASTER SWITCH to ON (see your -10). 2. Is BATTERY/GENERATOR indicator in the green zone? YN GO TO BY (PAGE 0046 00-3) 0046 00-1