Lincoln Electric BULLDOG IM10074 - Manual (Page 34)

SPARK PLUG SERVICE
Spark Plug is located between muffler and Air
Cleaner. See Figure D.4.
• Be sure not to cross thread Spark Plug when
reinstalling.
• This area is HOT if engine has been running.
Allow engine to cool before servicing.
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KOHLER PART #
Champion RC 12YC
(GAP .030” [.76mm])
Kohler 17 083 03-S
Kohler 17 083 08-S
PART
SPARK PLUG
(RESISTOR)
AIR FILTER ELEMENT
AIR FILTER PRECLEANER
D-3 MAINTENANCE D-3
BULLDOG™ 5500
Refer to Table D.1 for engine maintenance parts. The
part numbers are accurate at the time of printing.
(Verify the current part number by referring to the
engine ownerʼs manual.
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 solvent.
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.5.
FIGURE D.5 - SET SPARK PLUG GAP
Use the engine ownerʼs manual for latest Plug Gap Info.
CLEAN SPARK ARRESTER SCREEN: Refer to the
engine ownerʼs manual that was shipped with your
BULLDOG™ 5500 for the proper cleaning instruc-
tions.
2
1
TABLE D.1
ENGINE MAINTENANCE PARTS
Spark Plug
Location
FIGURE D.4
Replace or clean engine maintenance parts per the
interval outlined in the engine ownerʼs manual.
OPERATIONAL CLEARANCE
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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CAUTION