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A-9
INSTALLATION
RANGER 305G
A-9
7. Set the "IDLE" switch to the "AUTO" position.
When not welding, the RANGER 305G engine will
be at the low idle speed. If you are using an LN-25
with an internal contactor, the electrode is not
energized until the gun trigger is closed.
8. When the gun trigger is closed, the current sens-
ing circuit will cause the RANGER 305G engine to
go to the high idle speed, the wire will begin to
feed and the welding process started. When weld-
ing is stopped, the engine will revert to low idle
speed after approximately 12 seconds unless
welding is resumed.
If you are using an LN-25 without an internal con-
tactor, the electrode will be energized when the
RANGER 305G is started.
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Connection of LN-742,K487-25 Spool Gun, and
Cobramatic to RANGER 305G
1. Shut the welder off.
2. Connect per instructions on the appropriate con-
nection diagram in Section F.
CAUTION