TM 10-3930-671-10 b. Operation In Extreme Cold. (1) Remove all snow and ice from truck as soon as possible. (2) Prepare truck for operation in severe cold temperatures according to FM 9-207, FM 31-70, FM 31-71,  and FM 21- 305 as necessary. (3) Drain fuel filter and fuel/water separator before filling fuel tank to prevent any water in fuel from freezing.  This will also prevent fuel filter from clogging. (4) Keep fuel tank as full as possible during cold weather operations. NOTE If  engine  fails  to  start  within  10  seconds,  discontinue  cranking  and  wait  15  seconds  before  next attempt to allow starter motor to cool. (5) Start engine (para 2-4 [b]) and allow it to warm up to normal operating temperature (180° F [82° C]). (6) Slowly raise and lower mast assembly to allow hydraulic fluid to warm up. WARNING Icy  roads  and  surfaces  are  common  during  periods  of  severe  cold.    Care  should  be  exercised when operating on icy surfaces.  Sudden movements or lack of attention can cause accidents and injury or death to personnel. (7) Operate truck on icy surfaces as follows: (a) Turn  steering  wheel  right  and  left  to  allow  hydraulic  fluid  in  steering  system  to  warm  up.    Do  this  until steering feels normal.  This should be done with the truck moving slowly to avoid creating flat spots on tires. (b) Avoid making sudden turns and stops. (c) When slowing or stopping, pump brake pedal to avoid sliding. (d) Begin stopping sooner than normal to avoid sliding. (e) Steer away from ruts and snow banks. (f) Steer truck straight up and down grades when possible. CAUTION During periods of extreme cold, damage will occur if tires are allowed to freeze to the ground. If a sheltered area is not available when temperatures are forecast to be below 32°F (0° C), the truck should be parked in a high, dry area.  Failure to do so may cause damage to equipment. (8) Park truck in sheltered area out of wind.  If a sheltered area is not available, park truck so it does not  face  into wind. (9) Drain water from fuel/water separator immediately after operating. 2-12