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B-4
OPERATION
B-4
Operating the starter motor for more than 5 sec-
onds can damage the motor. If the engine fails to
start, release the switch and wait 10 seconds
before operation the starter again. Do NOT push
the START button while the engine is running
because this can damage the ring gear and/or the
starter motor.
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NOTE: When starting a RANGER 305G for the first
time, or after and extended period of time of not operat-
ing, it will take longer than normal because the fuel
pump has to fill the fuel line and carburetor.
STOPPING
Remove all welding and auxiliary power loads and
allow the engine to run at low idle speed for a few min-
utes to cool the engine.
Stop the engine by placing the RUN-STOP in the
STOP position.
NOTE: A fuel shut off valve is not required on the
RANGER 305G because the fuel tank is mounted
below the engine.
WELDER OPERATION
DUTY CYCLE
Duty Cycle is the percentage of time the load is being
applied in a 10 minute period. For Example, a 60%
duty cycle represents 6 minutes of load and 4 minutes
of no load in a 10 minute period.
DC STICK WELDING
The RANGER 305G can be used with a broad range
of DC stick electrodes.
The MODE switch provides two stick welding settings
as follows:
CONSTANT CURRENT (CC-STICK)
WELDING
The CC-STICK position of the MODE switch is
designed for horizontal and vertical-up welding with all
types of electrodes, especially low hydrogen. The out-
put CONTROL dial adjusts the full output range for
stick welding.
The ARC CONTROL knob sets the short circuit current
during stick welding (arc-force). Increasing the number
from -10 to +10 increases the short circuit current and
prevents sticking of the electrode to the plate while
welding. This can also increase spatter. It is recom-
mended that the ARC CONTROL be set to the mini-
mum number without electrode sticking. Start with the
dial set at 0.
DOWN HILL PIPE WELDING
This slope controlled setting is intended for "out-of-
position" and "down hill" pipe welding where the opera-
tor would like to control the current level by changing
the arc length. The output CONTROL dial adjusts the
full output range for pipe welding.
The ARC CONTROL knob sets the short circuit current
during stick welding (arc-force). Increasing the number
from -10 to +10 increases the short circuit current and
prevents sticking of the electrode to the plate while
welding. This can also increase spatter. It is recom-
mended that the ARC CONTROL be set to the mini-
mum number without electrode sticking. Start with the
dial set at 0.
RANGER 305G
CAUTION
TYPICAL RANGER 305G FUEL CONSUMPTION
Kohler CH23S Running Time for
gal./hr (liters/hr) 12 gallons -(hrs.)
Low Idle - No Load
2400 R.P.M. .51 (1.9) 23.5
High Idle - No Load
3700 R.P.M. .83 (3.2) 14.5
DC Weld Output
240 Amps @ 29 Volts 1.39 (5.3) 8.6
DC Weld Output
300 Amps @ 29 Volts 1.53 (5.8) 7.8
Auxiliary Power
9,500 Watts 1.64 (6.2) 7.3