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TM 9-2350-287-20-2
21-11. ENGINE AFES ELECTRICAL RELAYS REPLACEMENT.
This Task Covers:
a. Removal
b. Installation
Initial Setup:
Tools/Test Equipment:
Equipment Conditions:
General mechanics tool kit (Item 24,
Vehicle parked on level ground (refer to
Appendix I)
TM 9-2350-287-10)
Engine AFES deactivated (para 21 -2).
Materials/Parts:
Engine AFES T/A panel removed
Lockwashers (2) (Item 148, Appendix H)
(para 21-13).
Lockwashers (8) (Item 161, Appendix H)
Lockwashers (12) (Item 184, Appendix H)
Lockwahsers (6) (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 bad to frostbite or other injury.
Small parts or tools become dangerous projectiles when propelled by Halon 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.
1.
Remove four screws (3), Iockwashers (2), and washers (1) from engine AFES relay cover (4). Discard
Iockwashers.
2.
Remove AFES relay cover (4) from bulkhead.
21-40
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