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21-15. CREW AFES TEST AND ALARM (T/A) PANEL AND STANDARD CONTROL
ELECTRONIC AMPLIFIER (SCEA) REPLACEMENT.
This Task Covers:
a. Removal
b. Installation
Initial Setup:
Tools/Test Equipment:
Lockwasher (Item 162, Appendix H)
General mechanic’s tool kit (Item 24,
Appendix I)
Equipment Conditions:
Vehicle parked on level ground (refer to
Materials/Parts:
TM 9-2350-287-10).
Lockwasher (2) (Item 164, Appendix H)
Crew AFES deactivated (para 21-3).
Lockwasher (4) (Item 196, Appendix H)
a.
REMOVAL
WARNING
Any automatic fire extinguishing system (AFES) unit in need of maintenance or
repair is more prone to accidental discharge. Accidental discharge could lead to
frostbite or other injury. Small parts or tools become dangerous projectiles when
propelled by HaIon discharging at 750 psi. Do not strike cylinder bottles with tools
and do not drop cylinder bottles. To prevent accidental discharge, be careful when
handling cylinder bottles.
The engine AFES is designed to provide from 2 to 4 hours of fire protection AFTER
vehicle shutdown. Turning off the master switch does NOT deactivate the AFES.
Working on the AFES when active may cause serious injury to personnel.
NOTE
Steps 1 and 2 cover crew T/A panel removal. Steps 3 and 4 cover (SCEA) removal.
1.
Disconnect wiring harness plug (1) from crew T/A panel (10).
2.
Remove four screws (9), lockwashers (8), and washers (7) and crew T/A panel (10) from hull. Discard
lockwashers.
3.
Disconnect three wiring harness plugs (6) from SCEA unit (2).
4.
Support SCEA unit (2), and remove two screws (3), lockwashers (4), and washers (5) and SCEA unit (2) from
hull. Discard Iockwashers.
21-54
TM 9-2350-287-20-2
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