TM 5-5420-228-24
SEQUENCE RELIEF VALVE (RV2) REPLACEMENT (Sheet 1 of 2)
5/16 in. socket head screw key
TOOLS:
8 in. adjustable wrench
9/16 in. open end wrench
Pipe tape (Item 19, Appendix D)
SUPPLIES:
Rags (Item 12, Appendix D)
Drip pans (suitable containers)
Protective caps and plugs (assorted sizes)
Preformed packing (2 required)
LO 5-5420-202-12
REFERENCE:
TM 5-5420-202-10
Relieve hydraulic pressure (page 3-71)
PRELIMINARY PROCEDURES:
QUADRANTS REMOVED FOR CLARITY
Use rags and drip pans to catch excess hydraulic fluid.
Cap or plug all lines and fittings as they are disconnected.
Holding elbow (A) with adjustable wrench, use
1.
open end wrench to remove hose assembly (B).
2.
Using adjustable wrench, remove elbow (A) and
collar (C).
3.
Using screw key, remove four screws (D).
4. Remove sequence relief valve (E).
Manually remove two preformed packings (F)
5.
from relief valve (E). Throw preformed
packings away.
Go on to Sheet 2
3-93