
D-1
MAINTENANCE
D-1
SAFETY PRECAUTIONS
GENERAL INSTRUCTIONS
1.
Blowoutthewelderandcontrolswithanairhoseat
least once every two months. In particularly dirty
locations, this cleaning may be necessary once a
week.Uselowpressureairtoavoiddrivingdirtinto
theinsulation.
2
.
Follow the engine service schedule in this manual
and the detailed maintenance and troubleshooting
intheenginemanufacturer’smanual.
COOLING SYSTEM
TheSAE-300
®
HEisequippedwithapressureradia-
tor. Keep the radiator cap tight to prevent loss of
coolant. Clean and flush the cooling system periodi-
callytopreventcloggingthepassageandoverheating
the engine. When antifreeze is needed, always use
thepermanenttype.
BEARINGS
This welder is equipped with a double synthetic
sealed ball bearing having sufficient grease to last
indefinitelyundernormalservice.
COMMUTATOR AND BRUSHES
Uncovered rotating equipment can be dangerous.
Use care so your hands, hair, clothing or tools do
not catch in the rotating parts. Protect yourself
from particles that may be thrown out by the rotat-
ing armature when stoning the commutator.
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Shiftingofthecommutatorbrushesmayresultin:
-Changeinmachineoutput
-Commutatordamage
-Excessivebrushwear
Periodically inspect the commutator, slip rings, and
brushesbyremovingthecovers.DONOTremoveor
replacethesecoverswhilethemachineisrunning.
Commutators and slip rings require little attention.
However, if they are black or appear uneven, have
themcleanedbyanexperiencedmaintenanceman
using fine sandpaper or a commutator stone. Never
useemeryclothorpaperforthispurpose.
SAE-300
®
HE
Have qualified personnel do the maintenance
work. Turn the engine off before working inside
the machine. In some cases, it may be neces-
sary to remove safety guards to perform
required maintenance. Remove guards only
when necessary and replace them when the
maintenance requiring their removal is com-
plete. Always use the greatest care when work-
ing near moving parts.
Do not put your hands near the engine cooling
blower fan. If a problem cannot be corrected by
following the instructions, take the machine to
the nearest Lincoln Field Service Shop.
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ELECTRIC SHOCK can kill.
• Do not touch electrically live parts or
electrode with skin or wet clothing.
• Insulate yourself from work and
ground
• Always wear dry insulating gloves.
------------------------------------------------------------------------
ENGINE ExHAUST can kill.
• Use in open, well ventilated areas or
vent exhaust outside.
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MOVING PARTS can injure.
• Do not operate with doors open or
guards off.
• Stop engine before servicing.
• Keep away from moving parts.
------------------------------------------------------------------------
See additional warning information at
front of this operator’s manual.
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WARNING
WARNING
Содержание SAE-300 HE
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