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Read this entire installation section before you
start installation.
SAFETY PRECAUTIONS
Do not attempt to use this equipment until you have
thoroughly read the engine manufacturer’s manual
supplied with your welder. It includes important safety
precautions, detailed engine starting, operating and
maintenance instructions and parts lists.
ELECTRIC SHOCK can kill.
• Do not touch electrically live
parts or electrode with skin or
wet clothing.
• Insulate yourself from work and
ground.
• Always wear dry insulating
gloves.
ENGINE EXHAUST can kill.
• Use in open, well ventilated
areas or vent exhaust outside.
• Do not stack anything near the
engine.
MOVING PARTS can injure.
• Do not operate with doors open
or guards off.
• Stop engine before servicing.
• Keep away from moving parts.
See additional safety information at the front of this
manual.
Only qualified personnel should install, use, or
service this equipment.
LOCATION AND VENTILATION
The welder should be located to provide an unrestrict-
ed flow of clean, cool air to the cooling air inlets and to
avoid restricting the cooling air outlets. Also, locate the
welder so that the engine exhaust fumes are properly
vented to an outside area.
STORING
1. Store the machine in a cool, dry place when it is
not in use. Protect it from dust and dirt. Keep it
where it can’t be accidentally damaged from con-
struction activities, moving vehicles, and other haz-
ards.
2. If you will be storing the machine for over 30 days,
you should drain the fuel to protect fuel system and
carburetor parts from gum deposits. Empty all fuel
from the tank and run the engine until it stops from
lack of fuel. If you prefer, you can treat the gaso-
line with a stabilizer to prevent deterioration rather
than drain the system. Follow the stabilizer manu-
facturer’s instructions. Add the correct amount of
stabilizer for the size of the fuel tank. Fill the tank
with clean, fresh gasoline. Run the engine for two
to three minutes to circulate the stabilizer through
the carburetor.
3. While the engine is still warm, drain the oil and refill
with fresh 10W30 oil. Change the oil filter.
4. Remove the spark plugs and add one to two table-
spoons of engine oil or rust inhibitor into each cylin-
der. Replace the spark plugs but do not connect
the plug leads. Crank the engine two or three
times to distribute the oil.
5. Clean any dirt or debris from the cylinder and cylin-
der head fins and other exterior surfaces.
STACKING
Ranger 250 machines CANNOT be stacked.
ANGLE OF OPERATION
Engines are designed to run in the level condition,
which is where the optimum performance is achieved.
The maximum angle of continuous operation is 15
degrees in any direction. If the engine is to be operat-
ed at an angle, provisions must be made for checking
and maintaining the oil level at the normal (FULL) oil
capacity in the crankcase.
When operating the welder at an angle, the effective
fuel capacity will be slightly less than the specified 12
gallons (45.4 liters).
LIFTING
The Ranger 250 weighs approximately 452 lbs./205 kg.
with a full tank of gasoline. A lift bail is mounted to the
machine and should always be used when lifting it.
INSTALLATION
A-3 A-3
RANGER 250
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WARNING