TM 9-2320-365-20-4
19-7. AIR TRANSPORTABILITY HYDRAULIC SYSTEM SERVICE
This task covers:
a. Purging
b. Follow-On Maintenance
INITIAL SETUP
Equipment Conditions
Engine shut down (TM 9-2320-365-10).
Air tanks drained (TM 9-2320-365-10).
M13 decontamination unit removed, if equipped (TM 3-
4230-214-12&P).
Tools and Special Tools
Tool Kit, Genl Mech (Item 44, Appendix C)
Pan, Drain (Item 24, Appendix C)
Wrench, Torque, 0-175 lb-ft (Item 57, Appendix C)
Gloves, Rubber (Item 13, Appendix C)
Goggles, Industrial (Item 15, Appendix C)
Materials/Parts
Dispenser, Pressure Sensitive Adhesive Tape
(Item 21, Appendix D)
Solvent, Dry Cleaning (Item 71, Appendix D)
Washer, Spring (4) (Item 279, Appendix G)
Gasket (Item 32, Appendix G)
Filter Assembly (2) (Item 12, Appendix G)
Packing, Preformed (Item 166, Appendix G)
Hydraulic Fluid A (Item 26, Appendix D)
References
TM 3-4230-214-12&P
WARNING
Hydraulic fluid (MIL-H-5606A) is TOXIC. Wear protective goggles and gloves; use only in well
ventilated area; avoid contact with skin, eyes, and clothes. Skin and clothing that come in
contact with hydraulic oil should be washed immediately. Saturated clothing should be
removed immediately. Failure to comply may result in injury to personnel.
a. Purging.
NOTE
Perform the following steps to ensure all air
and contaminants are removed from air
transportability hydraulic system.
(1) Remove two screws (1), washers (2) and cover (3) from
back-up hydraulic pump (4).
(2) Position drain pan under back-up hydraulic pump (4).
NOTE
Tag hoses and connection points prior to
disconnecting.
(3) Disconnect hydraulic hoses (5 and 6) from 90-degree
fittings (7 and 8).
(4) Operate back-up hydraulic pump (4) until hydraulic fluid
stops flowing (TM 9-2320-365-10).
19-27
