Lincoln Electric IM972 manual Spark Plug Service, Engine Adjustments, Slip Rings, Hardware

D-2 MAINTENANCE D-2

To service the pre-cleaner:

Remove the cover. Carefully remove the foam pre- cleaner from the filter element.

1.Wash in liquid detergent and water.

2.Squeeze dry in a clean cloth.

3.Saturate in clean engine oil.

4.Squeeze in a clean, absorbent cloth to remove all excess oil.

Carefully place the pre-cleaner back over the filter ele- ment and reinstall the air cleaner cover and wing nuts.

CLEAN ENGINE: Remove dirt and debris with a cloth or a brush. Do not clean with a forceful spray of water. Water might contaminate the fuel system. Use low pressure air to blow out the machine periodically. In particularly dirty locations this may be required once a week.

SPARK PLUG SERVICE

To service spark plug, remove the 9 screws securing the side panel. Remove side panel and place provided fiber spacer between the muffler and bottom of control panel. See Figure D.2.

FIGURE D.2

ENGINE ADJUSTMENTS

OVERSPEED IS HAZARDOUS - The maximum

WARNING

allowable high idle speed for this machine is 3750 RPM, no load. Do NOT tamper with the governor components or setting or make any other adjustments to increase the maximum speed. Severe personal injury and damage to the machine can result if operated at speeds above maximum.

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Adjustments to the engine are to be made only by a Lincoln Service Center or an authorize Field Service Shop.

SLIP RINGS

CAUTION

A slight amount of darkening and wear of the slip rings and brushes is normal. Brushes should be inspected when a general overhaul is necessary. If brushes are to be replace, clean slip rings with a fine emery paper.

Do not attempt to polish slip rings while engine is running.

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HARDWARE

Both English and Metric fasteners are used in this welder.

ENGINE MAINTENANCE PARTS

Kohler CS 12.75

Air Filter Element	63 083 19-S
Air Filter Pre-Cleaner	63 083 17-S
Spark Plug	Champion RC 12YC
(Resistor Type)	(Gap .030” [.76mm])

OPERATIONAL CLEARANCE

CAUTION

Approximately 12-18” of clearance should be around this unit during operation for air flow. Reducing this clearance will reduce air flow to the machine causing operational temperatures to increase. Possible damage to the machine can result if to much air flow is restricted.

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OUTBACK™ 185

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