12.5.1 Operating Launch vehicle
in Cold Environment +45F to -25F (+7C to -32C).
Equipment damage. In severe cold, engine coolant, fluid in windshield washer can freeze,
batteries can freeze and crack, oil and grease may get thick and stiff and rubber may crack
or break easily.
Equipment damage. If engine fails to start after four tries, refer to troubleshooting, TM 9-
2320-364-10 Chapter 3. Do not turn engine switch to START position while engine is still
running or engine damage may result.
Before operating launch vehicle in severe cold environment, make sure it has been
prepared as described in chapter 8-7. For the replacement of fluids for ARCTIC use and
FM 9-207, refer to FM 31-70, FM 31-71 and FM 21-305 for additional information on
operation in cold environment.
One time for temperatures between +45 degrees F to +10 degrees F (+7 degrees C
to -12 degrees C).
Two times for temperatures between +10 degrees F to -10 degrees F (-12 degrees C
to -23 degrees C).
Three times for temperatures between -10 degrees F to -25 degrees F (-23 degrees
C to -32 degrees C).
Repeat Steps (1) and (2) up to four times.
If engine fails to start, wait 15 seconds before next start attempt to allow starter motor to
Press and hold ether start switch (Figure 12. 11. (1)) for five seconds, release and
wait five seconds.