CHAPTER 14: MAINTENANCE OF M8A3 GAS/PARTICULATE FILTER UNIT
TM 9-2350-256-20
14-1 REPLACE/REPAIR M8A3 FILTER UNIT SYSTEM
THIS TASK COVERS
a.
Removal
b.
Disassembly
c.
Assembly
d.
Installation
e.
Test
INITIAL SET-UP
Tools:
Parts:
Tool kit, general mechanic's (Appendix C, item 53)
• Lockwashers (29) (Appendix G, item 116)
• Lockwashers (2) (Appendix G, item 128)
Test Equipment:
Tester, airflow (Appendix C, item 52)
Reference:
TM 9-2350-256-10
WARNING
Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry contacts a metal surface a direct
short may result in heating of tools, damage to equipment, and injury or death to personnel.
a.
REMOVAL
Right Side
1
Disconnect and remove cable assembly (1) from circuit breaker and switch assembly (2) and M2A2 air purifier (3).
2
Disconnect and remove cable assembly (4) from circuit breaker and switch assembly (2) and dome light (5).
3
Remove ground wire (6) from M2A2 air purifier (3) by removing screw (7) and lockwasher (8).
4
Remove circuit breaker and switch assembly (2) by removing two screws (9) and two lockwashers (10).
5
Disconnect and remove rigger's hose (11) and commander's hose (12) from manifold of M2A2 air purifier (3) and
clamps (13).
6
Disconnect mechanic's hose (14) from clamp (15) and manifold of M2A2 air purifier (3). Remove six clamps (16)
by removing from each screw (17) and lockwasher (18).
7
Remove two clamps (13) and clamp (15) by removing from each screw (19) and lockwasher (20).
14-2
