MAINTENANCE
8-3
Figure 8-1. Tension Arm & Wire-Feed Cover on Wire-Feed Assembly
1. Disconnect the electrical power source from the unit.
2. Open the cover on the wire-bobbin side of the EMP unit.
3. Release the tension from the Pressure Rollers by turning the Tension Knob
on the Tension Arm counter-clockwise enough to pull it first up (out of its
detent slot) and then toward you (see 1 in Figure 6-32). The Tension Arm will
spring-up as soon as the Tension Arm is released. This should free the wire
movement to remove the wire in the next step.
4. Remove the Quad Wire-Feed Assembly Cover (see Figure 8-1) and using (as
needed) either soft-bristle brush or use a forced air source by blowing
compressed air (max. 5 bar) to remove all debris which may have accumulated in
this space. WEAR EYE PROTECTION.
5. Inspect if the Input Wire-Feed Guide, the Output Wire-Feed Guide, the Center
Wire-Feed Guide, or the Feed Rollers are worn and need replacement. See
Section 10.2 WEAR PARTS for ordering Wear-Part numbers. See Section 6.11 for
REMOVING/INSTALLING WIRE-FEED ROLLERS and/or Section 6.12
REMOVING/INSTALLING/ADJUSTING WIRE-FEED GUIDES. If none need
replacement – only cleaning – go to the next step.
QUAD WIRE-FEED ASSEMBLY COVER
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