2-40. OPERATING FORWARD REPAIR SYSTEM (FRS) IN COLD ENVIRONMENT
+45 F TO -25 F (+7 C TO 32 C).
In severe cold, engine coolant can freeze, batteries can freeze and crack, oil and grease
may get thick and stiff, eyewash water may freeze, and rubber may crack or break easily.
If engine fails to start after four tries, refer to troubleshooting.
Inject starting fluid only while cranking engine and use only for starting.
Before operating FRS in severe cold environment, make sure it has been prepared as
described in FM 9-207. Refer to FM 31-70, FM 31-71 and FM 21-305 for additional
information on operation in cold environment.
Press engine START/STOP switch START button (1) while pressing ether start switch (2)
for no more than 15 seconds. The start sequence is automated, only the ether button is held.
Release engine START/STOP switch START button (1). Oil pressure indicator (3) and oil pressure lamp
(4) may light briefly.
If engine fails to start, wait 15 seconds before next start attempt to allow starter motor
If engine fails to start, repeat Steps (1) and (2).