MAINTENANCE | ||
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SAFETY PRECAuTIONS
WARNING
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.
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.
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.
GENERAL INSTRuCTIONS
1.Blow out the welder and controls with an air hose at least once every two months. In particularly dirty locations, this cleaning may be necessary once a week. Use low pressure air to avoid driving dirt into the insulation.
2. Follow the engine service schedule in this manual and the detailed maintenance and troubleshooting in the engine manufacturer’s manual.
COOLING SYSTEM
The
bEARINGS
This welder is equipped with a double synthetic sealed ball bearing having sufficient grease to last indefinitely under normal service.
COMMuTATOR AND bRuShES
WARNING
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.
Shifting of the commutator brushes may result in:
-Change in machine output
-Commutator damage
-Excessive brush wear
Periodically inspect the commutator, slip rings, and brushes by removing the covers. DO NOT remove or replace these covers while the machine is running.
Commutators and slip rings require little attention. However, if they are black or appear uneven, have them cleaned by an experienced maintenance man using fine sandpaper or a commutator stone. Never use emery cloth or paper for this purpose.