Tweco VAF4 Transmig - Manual (Page 51)

TRANSMIG VAF4
Manual 0-5231 3-33 INSTALLATION, OPERATION AND SETUP
3.19 Installing and Changing the Feed Roll / Removing Inlet Guide & Euro Adaptor
WARNING
MOVING PARTS can cause injury.
Make sure wirefeeder is switched OFF Before changing feedrolls, guides or adaptors.
NOTE
Feed rolls often come with a rust prohibitive coating that needs to be cleaned off before installation.
1. Loosen the Thumb Screw as shown in the figure below and lift up the finger guard.
2. Swing the Pressure Adjusting Knob down and the Pressure Roll Arm automatically springs up.
3. Rotate the Screw counter-clockwise and remove the Screw, Washer and Feed Roll.
4. Make the two Positioning Holes on the Feed Roll align at the two Positioning Pins, and install the Feed
Roll, Washer and Screw.
5. Tighten the screw clockwise.
6. Lower the Pressure Roll Arm.
7. Swing the Pressure Adjusting Knob back into place.
8. Use the Pressure Adjusting Knobs to create a “snug” condition. (Clockwise to tighten and Counter Clockwise
to loosen). Secure the finger guard with the Set Screw and Thumb Screw.
9. To remove the inlet guide remove the thumb screw as shown in the figure below then use the 3mm allen
key to remove the set screw that fixes inlet guide.
10. To remove the Euro torch adaptor remove the thumb screw as shown in the figure below then use the 3mm
allen key to remove the set screw that fixes the Euro torch adaptor.
Pressure Adjusting Knob
Feed Roll
Positioning Pin
Pressure Roll Arm
Art# A-11254
Set Screw
(for fixing torch adaptor)
Thumb Screw
Screw
Positioning Hole
Finger Guard
Set Screw
（for fixing inlet guide)
Thumb Screw
Inlet Guide
Washer
Note: for clarity of picture,
only feed roll at right side shown.
Figure 3-33 Changing Feed Roll (Right Side as Example)
NOTE
All grooved Feed Rolls have their wire size or range stamped on the side of the roll. On rolls with dif-
ferent size grooves, the outer (visible when installed) stamped wire size indicates the groove in use.