TM 9-2350-247-20-1HI TEMP DIFF OIL INDICATOR MALFUNCTIONS (M548A1) 0058 00INITIAL SETUP:Maintenance LevelUnitTools and Special ToolsGeneral Mechanic’s Tool Kit (WP 0541 00, Item 57)Multimeter (WP 0541 00, Item 29)Personnel RequiredUnit MechanicReferencesSee your -10Equipment ConditionEngine stopped (see your -10)Carrier blocked (see your -10)Center seat raised (see your -10)T1. Remove HI TEMP DIFF OIL indicator cover lens (1), gasket (2),bulb (3), and gasket (4).2. Measure resistance between bulb center contact (5) and bulb base(6) for continuity.3. Does multimeter indicate any continuity?YESNOTN1. Replace HI TEMP DIFF OIL bulb(WP 0264 00).2. Verify no faults found.0058 00-1
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