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MAINTENANCE
D-4 D-4
BULLDOG® 140
FUEL: At the end of each day’s use, refill
the fuel tank to minimize moisture condensa-
tion and dirt contamination in the fuel line.
ENGINE ADJUSTMENTS
OVERSPEED IS HAZARDOUS - The maximum
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 adjust-
ments 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 authorized Field Service
Shop.
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.
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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.
Periodically clean the muffler area to remove com-
bustible debris.
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Clean Finger Guard Area: If your Bulldog® 140 is
equipped with an engine that has a finger guard, you
should clean it as often as needed, to remove dirt or
debris that may collect on the fin areas. A dirty finger
guard can result in overheating and damaging the
engine. (See Figure D.2).
FIGURE D.2 - CLEAN AREA
1. FINGER GUARD AREA
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.
FIGURE D.3 - CLEAN COOLING SYSTEM
1. REMOVE DIRT AND DEBRIS FROM THIS
LOWER AREA.
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WARNING
CAUTION
CAUTION
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