TM 5-5420-228-24
HEU HOSE ASSEMBLY "BS" REPLACEMENT (Sheet 1 of 2)
PROCEDURE INDEX
Procedures
Page
Removal
Installation
TOOLS:
12-in. Adjustable wrench
3/4-in. socket with 1/2-inch drive
15-in. Adjustable wrench
1/2-inch drive ratchet
3/4-in. open end wrench
SUPPLIES:
Drip pans (suitable containers)
Protective caps and plugs (assorted sizes)
Rags (Item 12, Appendix D)
Lockwashers (4 required)
Preformed packing (2 required)
REFERENCE: LO-12
PRELIMINARY PROCEDURES:
Zero hydraulic pressure (page 3-70.5)
REMOVAL:
NOTE
Use rags and drips pans to catch hydraulic fluid. Cap and plug all lines and fittings
as they are being disconnected.
1.
Disconnect hose assembly "BS" (A) from manual control valve quick disconnect (B).
2.
Use socket and ratchet to remove four bolts (C) and lockwashers (D) from two flanges (E). Remove preformed
packing (F) and hose assembly "BS" (A) from hydraulic pump (G).
3.
Use 12 inch adjustable wrench to hold coupling half (H) and use 15 inch adjustable wrench to remove hose
assembly "BS" (A) from coupling half (H).
Go on to Sheet 2