(2) Cracked or leaking radiator hoses (para 2-15, item 62).
(3) Radiator fins clogged with dust, leaves, or insects.
Batteries do not hold charge well in extreme heat. Batteries will be tagged
for use in tropical conditions or extreme heat. Batteries will have a white
circle or dot painted on top. Battery electrolyte must be changed to adjust
for such conditions. Refer to TM 9-6140-200-14 for procedures.
e. Check battery electrolyte level daily (para 3-8b).
In hot, damp climates check body and chassis often. Notify Unit Maintenance if any
of the following conditions are found:
(1) Signs of pitting or paint blistering on metal surfaces.
(2) Signs of mildew, mold, or fungus on fabrics and rubber.
2-44. OPERATION IN EXTREME DUST
Check AIR FILTER RESTRICTION GAUGE (1) often. Shut down engine
immediately (para 2-21f) when yellow diaphragm enters red zone (greater
than 25 in.). Failure to comply may result in damage to equipment.
a. Service air filter (para 3-9). Check other gages and indicator lights on instrument panel
(2) to be sure dust does not affect other equipment.