TM 10-3510-222-10
Section IV. OPERATION UNDER UNUSUAL CONDITIONS
2-12. OPERATION IN COLD.
WARNING
Do not touch cold metal parts with bare hands. Cold metal parts can cause frostbite and
injury to personnel.
CAUTION
Subzero temperatures cause rubber and metal parts to become brittle and prone to breakage.
Use proper lubrication for extreme cold operations.
a.
Operating When Laundry Unit is Set-up. The Laundry Unit must not be operated under 32°
F (0°
C). During
operation in cold weather, steps must be taken to protect equipment from freezing. Operate Laundry Unit inside
tent or other suitable enclosure. If Laundry Unit is operational, and it will freeze at night when not operating, do
the following substeps:
(1)
Water Pump. Do substeps below:
(a)
Set toggle switch to OFF.
(b)
Remove water suction strainer from water source.
(c)
Disconnect and drain nonmetallic hose from quick coupling half on inlet side of water pump
(d)
Disconnect and drain nonmetallic hose from quick coupling half on outlet side of water pump and
inlet quick coupling half side of water heater.
(e)
Open drain cock and drain water. Close drain cock when pump has drained.
(2)
Water Heater. Do substeps below:
(a)
Set subcircuit breaker switch (water heater switch) to OFF.
(b)
Close fuel globe valve. Clockwise rotation closes valve.
WARNING
This equipment can produce scalding water. To avoid injury, be careful when draining water .
(c)
Connect hose to drain valve on bottom of water heater.
(d)
Open drain valve on bottom of water heater.
(e)
Open draincock 50 ips on top of water heater.
(f)
After water has stopped draining from hose, close drain.
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