APU HYDRAULIC STARTING SYSTEM VISUAL CHECK

APU HYDRAULIC STARTING SYSTEM VISUAL CHECK (Continued)

TM-55-1520-240-T-1 CH-47D Heilcopter Manual
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TM 55-1520-240-T 7-8.2 APU HYDRAULIC STARTING SYSTEM VISUAL CHECK INITIAL SETUP Applicable Configurations: References: TM 55-1520-240-23 All Tools: Equipment Condition: Aircraft Mechanic’s TOOI Kit. TM 55-1520-240-23: NSN 5180-00-323-4692 Electrical Power Of Battery Disconnected Materials: Hydraulic Power Off None Right Aft Transmission Baffle Open Personnel Required: Cargo Ramp Operational Level 67U10 Medium Helicopter Repairer (Task 7-3.4) TASK RESULT 1. Check APU start module accumulator If accumulator (1) or accumulator gage (2) is (1). damaged. replace accumulator. 2. Check apu start module (3). If any tube to module (3) is loose or damaged. tighten or replace it as required. If electrical con- nector to module is loose or damaged. tighten or replace it as required. If wiring to connector is damaged, repair or replace it as required. 3. Check APU start accumulator gage (4). If gage (4) is Ioose or damaged. tighten or replace it as required. 4. Check APU start accumulator (5). If accumulator (5) is loose or damaged, tighten or replace it as required. If any tube to accumulator is Ioose or damaged, tighten or replace it as re- quired. 5. Check APU motor pump (6). If pump (6) is loose or damaged. tighten or replace it es required. If any hose to pump is loose or damaged. tighten or replace it as required. 7-8.2 FOLLOW-ON MAINTENANCE: Page 7-209 is a blank page. 7-210 GO TO NEXT PAGE

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