TM 9-2350-261-20-4
REPLACE M3 NBC FILTER SWITCH ASSEMBLY (M113A2
AMBULANCE ONLY)
THIS WORK PACKAGE COVERS:
Removal (page 0686 00-1).
Installation (page 0686 00-3).
INITIAL SETUP:
Personnel Required
Maintenance Level
Unit Mechanic
Unit
Equipment Condition
Tools and Special Tools
Engine stopped (see your -10)
General Mechanic's Tool Kit (WP 0780 00, Item 29)
Carrier blocked (see your -10)
Materials/Parts
Battery ground lead disconnected (WP 0294 00)
Locknut (2)
Lockwasher (4)
REMOVAL
1.
Remove circuit 579C lead (1) from air filter switch (2) on switch assembly (3).
2.
Remove jumper lead (4) from air filter switch (2) and circuit breaker (5).
3.
Remove circuit 579A lead (6) from circuit breaker (5).
4.
Remove circuit 537F lead (7) from air filter ON lamp (8).
5.
Remove two mounting screws (9), four lockwashers (10), two locknuts (11), and switch assembly (3) from instrument
panel. Discard lockwashers and locknuts.
