UTILITY HYDRAULIC SYSTEM OPERATIONAL CHECK (Continued)

UTILITY HYDRAULIC SYSTEM OPERATIONAL CHECK (Continued) - TM-55-1520-240-T-1_731

UTILITY HYDRAULIC SYSTEM OPERATIONAL CHECK (Continued) - TM-55-1520-240-T-1_733

TM-55-1520-240-T-1 CH-47D Heilcopter Manual
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TM 55-1520-240-T 7-2.4 UTILITY HYDRAULIC SYSTEM OPERATIONAL CHECK (Continued) 7-2.4 TASK RESULT 19. Set POWER XFR NO. 1 and POWER XFR NO. 2 NO. 1 and NO 2 HYD FLT CONTR (Without 74 ) HYD 1 switches (15 and 16) to OFF. and HYD 2 (With 74) capsules (18 and 19) shall come on. If one capsule does not come on, replace associated PWR XFR switch (15 and 16). 20. Hold pressure line (23) to brake on winch (24). Push in Pressure surge should not be felt on pressure line (23). If pushbutton (25) on shutoff valve (26). surge felt, go to Task 7-2.20. 21. Release pushbutton (25). Pushbutton (25) should come out. If it does not, replace shutoff valve (26). FOLLOW-ON MAINTENANCE: TM 55-1520-240-23: Electrical power off. Battery disconnected. Install heater compartment acoustic blanket. GO TO NEXT PAGE 7-80.2 Change 17

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