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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.
MOVING PARTS can injure.
• Do not operate with doors open or
guards off.
• Stop engine before servicing.
• Keep away from moving parts.
See additional warning information at front of this
operator’s manual.
Only qualified personnel should install, use, or ser-
vice this equipment.
LOCATION AND VENTILATION
Whenever you use the RANGER 300, be sure that
clean cooling air can flow through the machine’s diesel
engine and the machine case. Avoid dusty, dirty
areas. Also, keep the machine away from heat
sources. Do not place the engine end of the machine
anywhere near hot engine exhaust from another
machine or closer than two feet from a wall. And of
course, make sure that engine exhaust is ventilated to
an open, outside area.
The RANGER 300 may be used outdoors. Do not set
the machine in puddles or otherwise submerge it in
water. Such practices pose safety hazards and cause
improper operation and corrosion of parts.
Always operate the RANGER 300 with the case roof on
and all machine components completely assembled.
This will protect you from the dangers of moving parts,
hot metal surfaces, and live electrical devices.
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 construction
activities, moving vehicles, and other hazards.
2. Drain the engine oil and refill with fresh 10W30 oil.
Run the engine for about five minutes to circulate oil
to all the parts. See the Maintenance section of
this manual for details on changing oil.
3. If you are storing the machine for more than 30
days, drain the coolant from the radiator. Open the
cock at the bottom of the radiator and remove the
pressure cap so that the coolant drains completely.
Attach a note that says “NO WATER” on the radia-
tor.
4. Remove the battery, recharge it, and adjust the
electrolyte level. Store the battery in a dry, dark
place.
5. If the engine is not used for a long period of time,
every two to three months fill the radiator and run
the engine for about five minutes to keep it free from
rust.
STACKING
RANGER 300 machines CANNOT be stacked.
TILTING
Place the machine on a secure, level surface whenev-
er you use it or store it. Any surfaces you place it on
other than the ground must be firm, non-skid, and
structurally sound.
The diesel engine is designed to run in a level position
for best performance. It can operate at an angle, but
this should never be more than 20 degrees in any
direction. If you do operate it at a slight angle, be sure
to check the oil regularly and keep the oil level at the
FULL mark as it would be in its normal level condition.
Also, fuel capacity will be a little less at an angle.
INSTALLATION
A-3 A-3
RANGER 300 D AND 300 DLX
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WARNING