TM 5-5420-228-24
HEU HOSE ASSEMBLIES "AR", "AS" AND RELATED FITTINGS REPLACEMENT
(Sheet 1 of 4)
PROCEDURE INDEX
Procedures
Page
Removal
Installation
TOOLS:
12-in. Adjustable wrench
Pipe wrench
1 5/16-in. open end wrench
9/16-in. socket with in. drive
Ratchet with in. drive
SUPPLIES:
Drip pans (suitable containers)
Pencil (Item 22, Appendix D)
Preformed packing (4 required)
Protective caps and plugs (assorted sizes)
Rags (Item 12, Appendix D)
Masking tape (Item 18, Appendix D)
REFERENCE: LO -12
PRELIMINARY PROCEDURES:
Hose "CD","CE" removed (page 3-204.63)
Zero hydraulic pressure (page 3-70.5)
REMOVAL:
NOTE
Use rags and drip pans to catch excess hydraulic fluid. Use masking tape to tag
lines for installation. Cap or plug all lines and fittings as they are disconnected.
The procedures for removal and installation of hose assemblies "AR" and "AS"
are identical. Hose "AR" is shown.
1.
Hold tee fitting (A) with adjustable wrench and use wrench to disconnect hose assembly "AR" (B) from tee
fitting (A).
2.
Use adjustable wrench to remove tee fitting (A) from counter balance valve "DC" (C). Remove preformed
packings (D).
Go on to Sheet 2