Section V. OPERATION UNDER UNUSUAL CONDITIONS
Warning: Be extremely careful when the weld-
in Extreme Cold, Below
ing machine or surrounding area is damp or wet.
Contact with a wet or damp unit can cause a
a. Check the water pipes and lines, verifying that
serious electrical shock or death.
they are not frozen.
in Salt Water Areas
b. If frozen, disconnect the water system from the
welding machine and use the welding machine for
a. Keep the welding machine protected as much as
metallic arc welding.
possible but do not block ventilation.
b. Check all connections, terminals, and fittings
in Extreme Heat
a. Check operation of the fan motor. Inspect it
c. Keep welding machine covered when not in use.
b. Check that the welding machine is well venti-
a. Keep snow off and out of the machine.
b. Shield the machine from blowing snow by
or Sandy Areas
erecting a protective panel or shelter, or taking any
a. Clean dust and sand from welding machine as
other reasonable measure.
often as necessary.
b. Protect machine from blowing dust and sand
by erecting a protective panel or shelter, or taking
any other reasonable measure.
c. Keep the welding machine covered when not in
a. Check carefully that the surrounding area is dry.
b. Keep mud out of the machine.
c. Check that the unit is dry.
Warning: A wet or damp unit can cause a ser-
ious electrical shock or death.
a. Keep rain from the welding machine using as
at High Altitude
much protection as possible.
b. Keep the welding machine covered when not in
a. Take normal precautions for cleanliness and
keeping water, dust, mud, or snow, out of the weld-
c. Do not allow water to come in contact with the
high frequency and timer drawer. If it does, remove
b. There is no substantial difference in the oper-
the drawer and dry thoroughly before reinstalling it
ation of the welding machine at different altitudes.
in the machine.