Tweco VA 4000 Ultra-Feed - Manual (Page 32)

ULTRAFEED VA 4000
4-4 September 18, 2012
18 19 20 21 22 23
24
25
26 27 28 30 29
21
Art # A-06984
Figure 4-4: Feedhead Components
4.03 Feedhead Components
18. INPUT GUIDE LOCKSCREW: Tighten this
lockscrew to secure the input wire guide.
19. SPRING TENSION KNOB: Use the spring
tension knob to adjust the amount of force the feed
rolls exert on the welding wire.
20. FEEDROLL GEAR / KNOB : This knob is used
to secure the feedroll to the pressure arm. Rotate
the knob to change the feedroll.
21. PRESSURE ARM: This arm pivots off the front
of the feedhead to allow access to the wire guides
and wire path.
22. CENTER GUIDE LOCKSCREW: Tighten this
lockscrew to secure the center wire guide.
23. OUTPUT GUIDE LOCKSCREW: Tighten this
lockscrew to secure the output wire guide.
24. GUN CLAMP KNOB: This knob is used to
tighten the welding gun into the feedhead.
25. GUN ADAPTER: This adapter accepts the
welding gun plug. It can optionally be replaced
with different adapters for a variety of different
guns.
26. FEEDHEAD POSITIONING SCREW (3x): These
screws are tightened to position the rotation angle
of the feedhead. To change the angle of the
feedhead, LOOSEN these 3 screws and turn the
feedhead to the desired angle. Then tighten the 3
screws to secure.
27. INPUT WIRE GUIDE: This guide is required to
direct the welding wire from the drive roll to the
welding gun cable.
28. WELD CABLE CONNECTION: This is where the
power source welding cable is connected to the
feeder. Make sure this connection is tight or arcing
could occur.
29. HUB TENSION BOLT: The hub tension bolt is
used to adjust the wire spool tension which acts
as a mechanical brake to assist in the stopping of
the welding wire when the gun switch is released.
30. WIRE SPOOL HUB NUT (not shown): The wire
spool hub nut is used to secure the spool of welding
wire.