TM 5-5420-227-24
VALVE BANK RETURN PORT FITTINGS REPLACEMENT (Sheet 1 of 3)
TOOLS: 12 in. adjustable wrench
1-1/4 in. open end wrench
1-5/8 in. open end wrench
1-1/8 in. open end wrench
1-3/8 in. open end wrench
15 in. adjustable wrench
SUPPLIES:
Rags (Item 12, Appendix D)
Drip pans
Pipe tape (Item 19, Appendix D)
REFERENCE:
PRELIMINARY PROCEDURE:
Relieve hydraulic pressure (page 3-65).
REMOVAL:
NOTE
Use rags and drip pans to catch excess hydraulic fluid.
1.
Manually disconnect quick disconnect socket "BB" (A).
2.
Using 1-3/8 inch wrench to hold nipple (B), use 1-5/8 inch wrench to remove quick
disconnect plug (C) and collar (D).
3.
Using 1-3/8 inch wrench, remove nipple (B).
4.
Using 1-3/8 inch wrench to hold nipple (E), use 15 inch adjustable wrench to remove elbow
(F).
5.
Using 1-3/8 inch wrench, remove nipple (E) from tee (G).
G O on to Sheet 2
TA170405
3-180