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21-12. ENGINE AFES REMOTE STATUS INDICATOR (RSI) 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
Appendix 1)
(refer to TM 9-2350-287-10).
Engine AFES deactivated (para 21-2).
Materials/Parts:
Lockwasher (2) (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 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.
Disconnect wiring harness plug (7) from engine AFES RSI (5).
2.
Remove two nuts (1) and lockwashers (2), four washers (3), two screws (6), and RSI (5) from RSI bracket (4).
Discard lockwashers.
b.
INSTALLATION
1.
Install RSI (5) to RSI bracket (4) with two nuts (1) and new lockwashers (2), four washers (3), and two screws
(6).
2.
Connect wiring harness plug (7) to RSI (5).
21-48
TM 9-2350-287-20-2
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