Lincoln POWER-ARC 4000 FIGURE D.2 - CLEAN ROTATING SCREEN/FINGER GUARD/DEBRIS GUARD, Maintenance

D-2 MAINTENANCE D-2

CAUTION

Do not use petroleum solvents such as kerosene to clean the air cleaner. They may cause deterio- ration of the air cleaner. DO NOT OIL THE AIR CLEANER OR USE PRESSURIZED AIR TO CLEAN OR DRY THE AIR CLEANER.

To service the pre-cleaner:

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.

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.

CAUTION

Periodically clean the muffler area to remove combustible debris.

Clean Rotating Screen: If your POWER-ARC 4000 is equipped with an engine that has a rotating screen, you should clean it as often as needed, to remove dirt or debris that may collect on the screen. A dirty screen can result in engine overheating and damage. (See Figure D.2).

FIGURE D.2 - CLEAN ROTATING

SCREEN/FINGER GUARD/DEBRIS GUARD

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1. ROTATING SCREEN

CLEAN COOLING SYSTEM: See Figure D.3. Clean the internal cooling fins and surfaces to prevent over- speeding, overheating, and engine damage. Clean every 100 operating hours or as often as necessary.

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FIGURE D.3 - CLEAN COOLING SYSTEM

1. REMOVE DIRT FROM THESE AREAS.

CLEAN OR REPLACE SPARK PLUG: Clean or replace the spark plug after every 100 hours of opera- tion or every season, whichever comes first. Do not blast the spark plug clean with an abrasive cleaning device. Clean the plug by scraping it or by using a wire brush. Wash the plug with a commercial sol- vent. After cleaning or when installing a new spark plug, set the terminal gap to .030 inch (.76 mm) with a

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feeler gauge. See Figure D.4.

FIGURE D.4 - SET SPARK PLUG GAP

Use the engine owner’s manual for latest Plug Gap Info.

CLEAN SPARK ARRESTER SCREEN: If the muffler has the spark arrester assembly, refer to the engine owner’s manual that was shipped with your POWER- ARC 4000 for the proper cleaning instructions.

POWER-ARC 4000