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ENGINE OIL PRESSURE INDICATING SYSTEM WIRING DIAGRAM - TM-55-1520-240-T-2_101
ENGINE OIL PRESSURE INDICATING SYSTEM VISUAL CHECK (Continued)

TM-55-1520-240-T-2 CH-47D Heilcopter Manual
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TM 55-1520-240-T 8-3.2 ENGINE OIL PRESSURE INDICATING SYSTEM VISUAL CHECK 8-3.2 INITIAL SETUP References: Applicable Configurations: TM 55-1520-240-23 All Equipment Condition: Tools: TM 55-1520-240-23: Aircraft Mechanic Tool Kit, Battery Disconnected NSN 5180-00-323-4692 Electrical Power Off Materials: Hydraulic Power Off None Upper and Lower Engine Access Doors Open Personnel Required: Engine Work Platforms Open Medium Helicopter Repairer TASK RESULT 1. Check NO. 1 ENGINE OIL PRESS indicator (1). If indicator (1) is damaged, replace it. 2. Check NO. 2 ENGINE OIL PRESS Indicator (2). If indicator (2) is damaged, replace it. CHECK NO. 2 ENGINE INSTALLATION 3. Check No. 2 engine oil pressure transmitter (3). If transmitter (3) is loose or damaged, tighten or replace it. If oil is leaking from transmitter, tighten connection if loose or replace it as required.  If oil line (4) is leaking oil or is damaged, tighten or replace it.  If connector (5) or wiring is damaged, replace harness. CHECK NO. 1 ENGINE INSTALLATION 4. Check No. 1 engine oil pressure transmitter (3). If transmitter (3) is loose or damaged, tighten or replace it. If oil is leaking from transmitter, tighten connection if  loose or replace transmitter.  If oil line (4) is leaking oil or is damaged, tighten or replace it as required.  If connector (5) or wiring is damaged, replace harness. FOLLOW-ON MAINTENANCE: TM 55-1520-240-23: Close upper and lower engine access doors. Close engine work platforms. GO TO NEXT PAGE 8-44.2  Change 19







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