English
English
6
Tools required:
• 1/4"
hex
key
wrench.
Note: Some gun bushings do not require the use of
the thumb screw.
1. Turn power off at the welding power source.
2. Remove the welding wire from the wire drive.
3. Remove the thumb screw from the wire drive.
4. Remove the welding gun from the wire drive.
5. Loosen the socket head cap screw that holds the
connector bar against the gun bushing. Important:
Do not attempt to completely remove the socket
head cap screw.
6. Remove the outer wire guide, and push the gun
bushing out of the wire drive. Because of the
precision fit, light tapping may be required to remove
the gun bushing.
7. Disconnect the shielding gas hose from the gun
bushing, if required.
8. Connect the shielding gas hose to the new gun
bushing, if required.
9. Rotate the gun bushing until the thumb screw hole
aligns with the thumb screw hole in the feed plate.
Slide the gun receiver bushing into the wire drive and
verify the thumb screw holes are aligned.
10. Tighten the socket head cap screw 10 to 14 ft-lbs
(13.5 to 19.0 Nm).
11. Insert the welding gun into the gun bushing and
tighten the thumb screw.
A. THUMB
SCREW
B. GUN
RECEIVER
BUSHING
C. CONNECTOR
BLOCK
D. SOCKET HEAD CAP SCREW
E. OUTER
WIRE
GUIDE
F. LOOSEN
G. TIGHTEN
Figure 1
Procedure to install drive rolls and wire
guides
WARNING
• Turn the input power OFF at the welding power
source before installation or changing drive rolls
and/or guides.
• Do not touch electrically live parts.
• When inching with the gun trigger, electrode and
drive mechanism are "hot" to work and ground and
could remain energized several seconds after the
gun trigger is released.
• Do not operate with covers, panels or guards
removed or open.
• Only qualified personnel should perform
maintenance work.
1. Turn power off at the welding power source.
2. Release the idle roll pressure arm.
3. Remove the outer wire guide by turning the knurled
thumbscrews counter-clockwise to unscrew them
from the feed plate.
4. Rotate the triangular lock and remove the drive rolls.
A. UNLOCKED POSITION
B. LOCKED POSITION
5. Remove the inner wire guide.
6. Insert the new inner wire guide, groove side out, over
the two locating pins in the feed plate.
7. Install a drive roll on each hub assembly secure with
the triangular lock.
8. Install the outer wire guide by aligning it with the pins
and tightening the knurled thumbscrews.
9. Close the idle arm and engage the idle roll pressure
arm. Adjust the pressure appropriately.
WARNING
LOADING SPOOLS OF WIRE
• Keep hands, hair, clothing and tools away from
rotating equipment.
• Do not wear gloves when threading wire or changing
wire spool.
• Only qualified personnel should install, use or service
this equipment.
Loading 10 to 15 lb. (4.5 – 6.8kg) Spools.
A K468 spindle adapter is required for loading 2"
(51mm) wide spools on 2" (51mm) spindles. Use a K468
spindle adapter for loading 2-1/2" (64mm) wide spools.
1. Squeeze the release bar on the retaining collar and
remove it from the spindle.
2. Place the spindle adapter on the spindle, aligning the
spindle brake pin with the hole in the adapter.
A
B
C
D
E
F
G
A
B
