c
e
2-2.2
Change 4
TM 9-2350-267-20
b
d
f
Check that 13 electrical connectors of wire harnesses 12351498,
12351499, and 12351501 of vehicles 1 thru 344 (p 14-40.2) or 15
electrical connectors of wire harnesses 12352316, 12352353, or 12352315
of vehicles 345 and above (p 14-52.1) are secure. Ensure that keyways
are alined, shells are fully seated and locking rings are fully rotated. If
not secure, make sure Optical Fire Sensing Assemblies (OFSA)
connectors snap in place. Loosen all other connectors, apply scaling
compound (item 75, Appx D) and retighten.
Remove locking pin (13) (p 14-28.5) from two crew compartment
extinguishers no. 3 and no. 4 valve actuator guards 2 and 12) (p 14-28.5)
connected by mechanical cable to actuator assembly. Make sure the
other two extinguisher’s (vehicles 1 thru 344) and four extinguisher’s
(vehicles 345 and above) locking pins are installed.
Remove anti-recoil plug (9) (p 14-14.8) from four crew compartment
extinguisher (1, 2,4, and 12) (p 14-28.4) in vehicles 1 thru 344 or from
six crew compartment extinguishers (1,2,4, 12,13, and 14) (p 14-28.9)
in vehicles 345 and above. Place nozzle on extinguisher (p 14-14.8).
Turn Maintenance switch (1) on crew T/A panel (2 or 3) (p 14-14.3)
to horizontal position. Make sure green POWER ON lamp lights and
green PASS TEST lamp lights and then goes out indk.sting that system
is operational.
Momentarily hold SYSTEM TEST/LAMP TEST toggle switch on crew
T/A panel to LAMP TEST position. Verify that all four lamps and all
LED's light. Time permitting, perform crew AFES system test (p 14-56
for vehicles 1 thru 344 or p 14-60.1 for vehicles 345 and above).
(5) AFES Manual Discharge System
a
Make sure external manual cable pull handle near driver’s hatch is
safety wired ( p 14-55).
b
c
Make sure actuator assembly (p 14-52.2) cables are tight.
Remove locking pin (5) (p 14-14.4) from engine extinguisher no.
2 valve actuator guard (5) (p 14-28.2). Do not remove locking
pin from engine extinguisher no. 1 valve actuator guard (p 14-
14.3).
(6) Move projectile racks to forward compartment (TM 9-2350-267-
10).
B
Run engine until preservative oil is out of combustion chambers and
engine is operating smoothly. Check for fuel and oil leaks immediately.
NOTE
Due to internal processing, engine may start hard,
smoke, and run rough. Conditions should improve
after approximately 5 minutes running time. Conduct
troubleshooting procedures if engine fails to develop
full power after 5 minutes.
NOTE
Preservative engine oils PE1 and PE2 are identical to
engine oils OE- 10 and OE-30 except they contain a
preservative. PE1 and PE2 oil be used in the same
manner as regularly used engine oils OE-10 or OE-30
PE1 or PE2 will be used in the transmission until the
first scheduled 2000-mile or semiannual oil change.
Refer to L09-2350-267-12 for lubrication instructions.
