TM 5-5420-227-24
MASTER RELIEF VALVE (RV1) AND CHECK VALVE (CV1) REPLACEMENT (Sheet 1 of 3)
1-7/16
in. open end wrench
TOOLS:
12 in.
adjustable wrench
15 in.
adjustable wrench
10 in.
pipe wrench
Drip pans
SUPPLIES:
Rags (Item 12, Appendix D)
Pipe tape (Item 19, Appendix D)
Masking tape (It em 18, Appendix D)
Pencil
Protective caps and plugs (assorted sizes)
Nipple
TM 11-5820-498-12
REFERENCES:
Relieve hydraulic pressure (page 3-65)
PRELIMINARY PROCEDURES:
Remove radio from mount (TM 11-5820-498-12)
Drain hydraulic reservoir (page 3-68)
NOTE
Cap all lines and fittings as disconnected. Use rags and
drip pans to catch hydraulic fluid caught in lines. Use
masking tape to tag lines for installation.
REMOVAL:
1.
Holding elbow (A) with 12 inch adjustable
wrench, use 1-7 /16 inch wrench to dis-
connect hose assembly "BA" (B).
2.
Using 12 inch adjustable wrench, remove elbow (A) and collar "BA"' (C) from master
relief valve "RV1" (D).
TA170310
Go on to Sheet 2
3-84