TM 9-2350-256-20
CHAPTER 15
MAINTENANCE OF M239 SMOKE
GRENADE LAUNCHER SYSTEM
CHAPTER OVERVIEW
This chapter covers the removal, disassembly, assembly, and installation of M239 smoke grenade launcher system
components.
This chapter consists of the following paragraphs:
Para.
Task
Page
15-1
Replace/Repair M239 Launcher Power Switch Box Assembly .................................................................. 15-1
15-2
Replace/Repair M239 Launcher Dischargers ............................................................................................. 15-3
15-3
Replace M239 Launcher Stowage Boxes .................................................................................................. 15-3
WARNING
Make sure all launcher tubes are empty before performing maintenance on launcher system. DEATH
or serious injury may result if tubes launch accidentally.
15-1 REPLACE/REPAIR M239 LAUNCHER POWER SWITCH BOX ASSEMBLY
THIS TASK COVERS
a.
Removal
b.
Disassembly
c.
Assembly
d.
Installation
INITIAL SET-UP
Tools:
Parts:
Equipment Condition:
• Tool kit, general mechanic's
• Lockwashers (2) (Appendix G,
Commander's plate and switch
(Appendix C, item 53)
item 104)
assembly removed (see para-
• Riveter, blind (Appendix C,
• Lockwashers (2) (Appendix G,
graph 16-5)
item 42)
item 119)
• Lockwashers (4) (Appendix G,
item 106)
• Rivets (4) (Appendix G, item 238)
a.
REMOVAL
1
Disconnect harness connector (1) from switch box
(2).
2
Remove switch box (2) from mounting bracket (3) by
removing four screws (4) and four lockwashers (5).
3
Remove mounting bracket (3) by removing two
screws (6) and two lockwashers (7).
15-1
