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ROBIN / SUBARU PART #
Champion RL 86C
(GAP .025” [.65mm])
279-32612-08
PART
SPARK PLUG
(RESISTOR)
AIR FILTER ELEMENT
D-3
MAINTENANCE
D-3
BULLDOG™ 140
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 owner’s 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 sol-
vent. After cleaning or when installing a new spark
plug, set the terminal gap to .025 inch (.65 mm) with a
feeler gauge. See Figure D.5.
FIGURE D.5 - SET SPARK PLUG GAP
Use the engine owner’s manual for latest Plug Gap Info.
CLEAN SPARK ARRESTER SCREEN: Refer to the
engine owner’s manual that was shipped with your
BULLDOG™ 140 for the proper cleaning instructions.
2
1
TABLE D.1
ENGINE MAINTENANCE PARTS
FIGURE D.4
SPARK PLUG SERVICE
To service spark plug, remove the 8 screws securing
the side panel. See Figure D.4.
Replace or clean engine maintenance parts per the
interval outlined in the engine owner’s 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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