CHAPTER 16: MAINTENANCE OF M239 SMOKE GRENADE LAUNCHER SYSTEM
TM 9-2350-256-20
16-3 REPLACE FUEL SHUTOFF VALVE ASSEMBLY
THIS TASK COVERS
a.
Removal
b.
Installation
INITIAL SET-UP
Tools:
Parts:
Equipment Condition:
Tool kit, general mechanic's
Nuts, self-locking (2)
Engine deck removed (see
(Appendix C, item 53)
(Appendix G, item 168)
paragraph 9-51)
Reference:
TM 9-2350-256-10
a.
REMOVAL
1
Disconnect tube assembly (1) from elbow (2).
2
Remove elbow (2) from fuel shutoff valve (3).
3
Remove fuel hose assembly (4) by disconnecting
from fuel shutoff valve (3) and from tee (5) at bottom
of fuel/water separator (6).
4
Remove fuel shutoff valve (3) from mounting bracket
(7) by removing two screws (8) and two self-locking
nuts (9).
5
Remove mounting bracket (7) from front shroud
plate (10) by removing two assembled washer
screws (11).
b.
INSTALLATION
1
Install mounting bracket (7) on front shroud plate (10)
with two assembled washer screws (11).
2
Install fuel shutoff valve (3) into mounting bracket
(7) with two screws (8) and two new self-locking nuts
(9).
3
Connect fuel hose assembly (4) to tee (5) at bottom
of fuel/water separator (6) and to fuel shutoff valve
(3).
4
Install elbow (2) on fuel shutoff valve (3).
5
Connect tube assembly (1) to elbow (2).
WARNING
Move vehicle out of building before attempting to check system for operation/leaks and extinguish all open
flames in the immediate area. Refer to TM 9-2350-256-10 for operating procedures.
6
Check all connections to ensure tightness.
NOTE
Follow-on maintenance: Install engine deck (see paragraph 9-51)
16-6