Lincoln Electric 5000 manual Figure D.3 Clean Cooling System, Clean AIR Filter PRE-CLEANER

D-2 MAINTENANCE D-2

CLEAN AIR FILTER PRE-CLEANER

CAUTION

Do not use petroleum solvents such as kerosene to clean the air pre-cleaner. They may cause deteriora- tion of the air pre-cleaner. DO NOT USE PRESSUR-

IZED AIR TO CLEAN OR DRY THE AIR PRE-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 com- bustible debris.

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 using a brush and low pressure air.

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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 feeler gauge. See Figure D.4.

Clean Rotating Screen: See Figure D.2. Clean the rotating screen on your machine’s engine as often as needed to remove dirt or debris that may collect on the screen. A dirty screen can result in engine over- heating and damage.

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FIGURE D.2 - CLEAN ROTATING

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SCREEN/FINGER GUARD/DEBRIS GUARD

1. ROTATING SCREEN

FIGURE D.4 - SET SPARK PLUG GAP

Use the Briggs & Stratton Engine Manual for latest Plug Gap Info.

CLEAN SPARK ARRESTER SCREEN: If the muffler has the optional spark arrester assembly, remove it every 50 hours or once a year, whichever comes first, and inspect it. Clean the arrester. Replace it if you find any damage.

CYLINDER HEAD TORQUE PROCEDURE: Use a torque wrench and tighten the cylinder head bolts to 165 inch pounds in the sequence shown in Figure D.5. This procedure is to be performed after the first 100-300 hours of operation.

POWER ARC 5000