TM 5-5420-202-20-4
UPPER DISCHARGE VALVE, TUBES, AND RELATED PARTS REPLACEMENT
(FIXED FIRE EXTINGUISHER) (Sheet 1 of 6)
PROCEDURE INDEX
PAGE
PROCEDURE
Removal
Disassembly
Inspection
Assembly
Installation
10 in. pipe wrench (2 required)
1 in. combination box and
TOOLS:
1-1/8 in. socket with 1/2 in. drive
open end wrench
15/16 in. socket with 1/2 in. drive
7/8 in. combination box and
1-1/8 in. combination box and
open end wrench (2 required)
open end wrench
3/4 in. combination box and
15/16 in. combination box and
open end wrench
open end wrench
1/2 in. combination box and
Vise
open end wrench
Torque wrench with 1/2 in. drive (0-175 lb-ft)
Ratchet with 1/2 in. drive
3/4 in. deep well socket with 1/2 in. drive
1/2 in. socket with 1/2 in. drive
7/8 in. crowfoot wrench
SUPPLIES:
Zinc chromate primer (Item 51, Appendix D)
Remove powerplant (page 5-2)
PRELIMINARY
PROCEDURE:
REMOVAL:
clamp (C) from bracket (D).
2.
Using 1/2 inch wrench, remove screw
(E) and washer (F) holding bracket (D)
to hull.
3.
Remove bracket (D).
Go on to Sheet 2