TM 55-1520-240-T4-5.3 GAS PRODUCER CONTROL SYSTEM (N1) OPERATIONAL CHECK (Continued)4-5.3T A S KR E S U L T6.7.8.9.10.11.12.Set NO. 1 ENGINE CONDITION lever (3)to GROUND.Set NO. 1 ENGINE CONDITION lever (3)to STOP.Move NO. 1 ENGINE CONDITION lever (3)from STOP to GROUND to FLIGHT, andthen directly from FLIGHT to STOP.Move NO. 1 ENGINE CONDITION Iever (3)from STOP to GROUND to FLIGHT andthen to GROUND and STOP with a pauseat each position.Open ENGINE NO. 1 COND CONT circuitbreaker (1). Install topping stop (1 O). Donot move stop (6) when installing toppingstop (10).Close ENGINE NO. 1 COND CONT circuitbreaker (1). Set NO. 1 ENGINE CONDl-TION lever (3) to FLIGHT.Set NO. 1 ENGINE CONDITION lever (3)to STOP. Remove topping stop (10).Make sure topping stop is re-moved from engine. If it is not,engine emergency power capabili-ty will be disabled. Damage to air-craft or components can result.NO. 1 ENG N1 CONT capsule (2) shall come on andstay on until fuel control pointer (4) moves to andstops within ground band.NO. 1 ENG N1 CONT capsule (2) shall come on andstay on until fuel control pointer (4) moves to stopband on protractor (5) and is in positive contact withstop (9). If capsule (2) is still on when pointer isagainst stop (9), go to task 4-5.5.NO. 1 ENG N1 CONT capsule (2) shall come onwhen pointer (4) travels between bands. If capsule isnot on when pointer is traveling between any twobands, go to task 4-5.7. If pointer (4) is not againststop (9), adjust gas producer system. Refer to TM55-1520-240-23.Fuel control pointer (4) shall move to each corre-sponding band on protractor (5).Fuel control pointer (4) shall move to and be in posi-tive contact with topping stop (10). Rod (7) shallcompress and cover brown band (8), more than instep 5.NOTEBrown band shall still be visible.GO TO NEXT PAGEChange 44-97
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