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D-11
WELDER/GENERATOR
MAINTENANCE
STORAGE: Store the Commander 400 in clean, dry,
protected areas.
CLEANING: Blow out the generator and controls peri-
odically with low pressure air. Do this at least once a
week in particularly dirty areas.
NAME PLATES: Whenever routine maintenance is
performed on this machine - or at least yearly - inspect
all name plates and labels for legibility. Replace those
which are no longer clear. Refer to the parts list for the
replacement item number.
BEARINGS: The Commander 400 is equipped with
double-shielded ball bearings having sufficient grease
to last indefinitely under normal service. Where the
welder is used constantly or in excessively dirty loca-
tions, it may be necessary to add one half ounce of
grease per year. A pad of grease one inch wide, one
inch long, and one inch high weighs approximately one
half ounce. Over-greasing is far worse than insufficient
greasing.
MAINTENANCE
When greasing the bearings, keep all dirt out of the
area. Wipe the fittings completely clean and use clean
equipment. More bearing failures are caused by dirt
introduced during greasing than from insufficient
grease.
RECEPTACLES: Keep the electrical receptacles in
good condition. Remove any dirt, oil, or other debris
from their surfaces and holes.
CABLE CONNECTIONS: Check the welding cable
connections at the weld output terminals often. Be
sure that the connections are always tight.
COMMANDER 400
D-11
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