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INFLATE  STRUTS
1-73 SERVICE TIRES

TM-55-1520-240-23-1 UH-1H/V and EH-1H Aircraft Manual
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TM 55-1520-240-23-1 1-72 SERVICE AFT LANDING GEAR SHOCK STRUT (AIR)    (Continued) 1-72 NOTE Turn outer valve nut left to add air. Turn nut right to shut off air. Step 12 requires going back and forth between landing gear.  If two air sources are available, service both struts at same time. 12. Add as much air as needed to each strut in turn to increase extension of piston (4) about  1 inch at a time.  Stop when each extension equals required DIMENSION A. NOTE The minimum ground clearance is 19.2 inches.  This measurement is taken from under the aircraft at ramp hinge. 13. Hold body of valve (2) on left strut with wrench. Torque outer valve nut (3) to  60 inch-pounds. 14. Shut off air at air source. Remove air chuck (5) if installed.  Install valve cap (1). 15. Repeat steps 13 and 14 for right strut. INSPECT FOLLOW-ON MAINTENANCE: Adjust proximity switches (Task 3-56). Close aft landing gear access panels (Task 2-2). Raise cargo ramp (TM 55-1520-240-T). END OF TASK Change 3 1-275







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