ENGINE LOW OIL LEVEL WARNING SYSTEM OPERATIONAL CHECK (Continued)

4-3.3 ENGINE LOW OIL LEVEL WARNING SYSTEM OPERATIONAL CHECK

4-3.4 NO. 1 OR NO. 2 ENGINE OIL LOW CAUTION LIGHTS DO NOT COME ON

TM-55-1520-240-T-1 CH-47D Heilcopter Manual
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TM 55-1520-240-T 4-3.3 ENGINE LOW OIL LEVEL WARNING SYSTEM OPERATIONAL CHECK (Continued) TASK RESULT 1. Insert small diameter screwdriver in oil Indicator (1) pointer shall move freely and return level indicator (1) housing slot. Use it to to original position. If pointer binds or sticks, repair move oil level indicating arm from FULL or replace it, as required. On master caution panel position to LOW position (white line). (3), NO. 2 ENG OIL LOW caution light (4) shall come on. If not, go to task 4-3.4. 2. Insert small diameter screwdriver in oil Indicator (2) pointer shall move freely and return level indicator (2) housing slot. Use it to to original position. If pointer binds or sticks, repair move oil level indicating arm from FULL or replace it as required. On master caution panel position to LOW position (white line). (3), NO. 1 ENG OIL LOW caution light (5) shall come on. If not go to task 4-3.4. FOLLOW-ON MAINTENANCE: TM-55-1 520-24-23: Electrical Power Off Battery Disconnected No. 1 Engine Upper and Lower Access Doors Closed No. 1 Engine Work Platform Closed No. 2 Engine Upper and Lower Access Doors Closed No. 2 Engine Work Platform Closed 4-3.3 END OF TASK 4-47

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