TM 9--2350--292--100118 00--2EXTREME COLD WEATHER MAINTENANCE -- CONTINUED0118 00WARNING7. MetalParts.Metal parts become more brittle and cannot take shock loads at arctic temperatures. Make frequent inspectionsof metal areas. Remove corrosion from exterior metal surfaces with abrasive paper or cloth and apply a protectivecoating of paint, oil or suitable rust preventative.8. PlasticandRubberParts.Any parts made of plastic or rubber materials must be handled carefully. These become brittle in cold weatherand may break due to vibration or handling. To prevent insulation from cracking and causing short circuits, warmplastic or rubber insulation cables before bending and be sure all cables are secured in the vehicle.9. Visiondevices.Do not expose vision devices to sudden changes in temperature. Equipment used outside at low temperaturesshould stay outside to avoid fogging.10. Armament.CAUTIONDo not allow weapon’s recoil mechanism to freeze. Severe damage to the weapon mightresult if the recoil mechanism is frozen.• Keep bore of machine gun and firing mechanism covered when not in use to prevent entrance of snow.• Clean bore of the machine gun while barrel is still warm, if possible.• The recoil mechanism may stick unless it is exercised frequently. Refer to FM 23--65 or TM 9--1005--213--10for methods of exercising.END OF TASK
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