CHAPTER 14: MAINTENANCE OF M8A3 GAS/PARTICULATE FILTER UNIT
14-1 REPLACE/REPAIR M8A3 FILTER UNIT SYSTEM
THIS TASK COVERS
Tool kit, general mechanic's (Appendix C, item 53)
Lockwashers (29) (Appendix G, item 116)
Lockwashers (2) (Appendix G, item 128)
Tester, airflow (Appendix C, item 52)
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.
Disconnect and remove cable assembly (1) from circuit breaker and switch assembly (2) and M2A2 air purifier (3).
Disconnect and remove cable assembly (4) from circuit breaker and switch assembly (2) and dome light (5).
Remove ground wire (6) from M2A2 air purifier (3) by removing screw (7) and lockwasher (8).
Remove circuit breaker and switch assembly (2) by removing two screws (9) and two lockwashers (10).
Disconnect and remove rigger's hose (11) and commander's hose (12) from manifold of M2A2 air purifier (3) and
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).
Remove two clamps (13) and clamp (15) by removing from each screw (19) and lockwasher (20).