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4-5.2 GAS PRODUCER CONTROL SYSTEM VISUAL CHECK
GAS PRODUCER CONTROL SYSTEM (N1) OPERATIONAL CHECK (Continued) - TM-55-1520-240-T-1_315

TM-55-1520-240-T-1 CH-47D Heilcopter Manual
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TM 55-1520-240-T 4-5.3 GAS PRODUCER CONTROL SYSTEM (N1) OPERATIONAL CHECK 4-5.3 INITIAL SETUP References: Applicable Configurations: TM 55-1520-240-23 Without 74 Equipment Condition: Tools: TM 55-1520-240-23: Powerplant Repairer's Tool Kit, Battery Connected NSN 5180-00-323-4944 Electrical Power On Materials: Hydraulic Power Off None Visual Check of Gas Producer Control System Per- formed (Task 4-6.2) Personnel Required: Aircraft Powerplant Repairer (2) TASK RESULT CHECK NO. 1 ENGINE GAS PRODUCER CONTROL SYSTEM 1. Check that ENGINE NO. 1 COND CONT circuit breaker If circuit breaker (1) is open, close it.  If it opens again, go to (1) is closed. task 4-5.4. 2. Check No. 1 ENG N1 CONT capsule (2). If capsule (2) is lit, go to task 4-5.5. 3. Open ENGINE NO. 1 COND CONT circuit breaker (1). Fuel control pointer (4) shall not move.  If it does, replace Set NO. 1 ENGINE CONDITION lever (3) to GROUND. No. 1 gas producer control box. Close ENGINE NO. 1 COND CONT circuit breaker (1). 4. Set NO. 1 ENGINE CONDITION lever (3) to STOP and Fuel control pointer (4) shall move and stop about mid point then to GROUND. in ground band on protractor 95).  If it does not, go to task 4-5.6.  NO. 1 ENG N1 CONT capsule (2) shall come on and stay on until fuel control pointer moves to ground position.  If capsule does not come on, go to task 4-5.7.  If light comes on and stays on, go to task 4-5.5. 5.  Set NO. 1 ENGINE CONDITION lever (3) to FLIGHT. NO. 1 ENG N1 CONT capsule (2) shall come on and stay on until fuel control pointer (4) moves to flight band.  Pointer (4) shall make positive contact with stop (6).  Rod (7) shall compress and partially cover brown band (8).  If capsule (2) comes on and goes out and pointer (4) does not move, replace No.  1 gas producer control actuator.  If pointer (4) moves but does not make contact with stop or brown band is not partially covered, go to task 4-5.8. GO TO NEXT PAGE 4-96  Change 17







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