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A-3
INSTALLATION
X-TRACTOR 1G
A-3
The X-Tractor 1G includes a relay which automatically
accelerates the vacuum motor to full speed when weld-
ing starts and slows it to half speed when welding
stops. This system increases motor life and decreases
operating noise. The relay requires 115 volt AC or DC
power. To operate, connect the control cable leads #31
and #4 to the welding power source contactor control
circuit. On earlier K179 units, the control leads were
tagged #1 and #4.
Specific connections for Lincoln equip-
ment are as follows:
R3S and SAM:
Connect the leads to #31 and #4 on power source ter-
minal strip. On earlier machines where a #1 appears
on the terminal strip, connect the lead #31 to terminal
#1 and lead #4 to terminal #4.
DC-400, DC-600, DC-1000, DC-1500 or when a K240
contactor kit is used:
Connect the leads to #31 and #4 at power source or at
K240 contactor kit.
SAF-600 or SA-800:
Connect lead #31 to #1 and #4 to #4 on the power
source terminal strip.
When using a DC-250, CV or CVI type power source
(or when the power source is in an inaccessible
location), the control leads must be connected to the
wire feeder as follows:
LN-6:
Connect lead #31 to #1 and #4 to #4 on the terminal
strip inside the LN-6 control box at the wire feed unit.
LN-7, LN-8 & LN-9:
Connect the leads to the auxiliary equipment contacts
#7 and #32A inside the wire feeder control box. To do
this, change the connectors on the end of the X-Tractor
leads to the lugs taped to the ends of the leads. Refer
to appropriate IM manual for terminal location and lead
routing information. Either lead can go to either con-
tact terminal.
Plug the K179-4 power cable into 120 volts, 50 or 60
hertz, single phase grounded 14 amp supply. Connect
the K179-5 to 220 or 240 volts, 50 or 60 hertz, single
phase grounded 6 amp supply. (NOTE: No plug is
supplied with the 220 volt unit.)
When connecting to Flux-Cored Fume guns, X-Tractor
guns, or Suction Heads, connect the supplied adapter
to any 1-3/4" (45 mm) exhaust hose. Lincoln Electric
has 1-3/4" hoses for both regular duty (PVC flexhose
S19947- ) and heavy duty (Reinforced rubber S14927-
8) applications. Then connect the supplied adapter to
the X-Tractor 1G and connect the hose to the suction
device.