Return to Master
Return to Master TOC
Return to Master TOC
Return to Master TOC
REPAIR PROCEDURE
1.Remove the cover from the control box by removing the four 5/16 in. screws from the top and side of the unit.
2.Remove the tie wraps that secure the gas solenoid wires to the wire feeder main harness.
3.Disconnect the gas solenoid wires from the control PC board at terminals #7 and #32A. Refer to Section G - Wiring Diagrams. Feed the wires back through wall of the control box and into the wire drive compartment.
4.Remove the retaining nut from the gas outlet fitting. Refer to Figure F.16. Remove the gas tubing from the gas outlet fitting. If necessary, cut the gas tubing approximately one inch back from the gas fitting and remove the gas fitting. Remove the retaining nut and lockwasher from the wire feeder. Slide the tube sleeve off the gas tubing.
5.Remove the three 5/16 in. bolts that attach the gas solenoid mounting plate to the case of the wire feeder. Remove the gas solenoid from the wire feeder.
6.Remove the gas inlet fitting and the solenoid outlet fitting from the gas solenoid. Remove the filter screen from the inlet port of the solenoid.
7.Remove the solenoid from the solenoid mounting plate by removing the two phillips head screws from the bottom of the mounting plate.
8.Remove the tubing from the gas and solenoid outlet fittings. A knife may be required to cut the tubing.
9.Mount the new solenoid to the solenoid mounting plate using two phillips head screws.
10.Apply thread sealant (part no.
11.Attach an approximately 10 in. piece of 1/4 in. tubing to the solenoid outlet fitting on the gas solenoid. Slide the tube sleeve over the tubing.
12.Feed the gas tubing through the mounting hole for the gas solenoid, behind the wire drive gearbox, and below the feed motor. Install the gas solenoid onto the wire feeder using three 5/16 in. bolts.
13.Place the retaining nut and lockwasher on the gas tubing. Extend the gas tubing out the mounting hole for the gas outlet fitting and connect the tubing to the new gas outlet fitting.
14.Install the gas outlet fitting into the wire feeder case and secure with the lockwasher and retaining nut.
15.Route the wires for the gas solenoid through the hole in the case and into the control box.
16.Connect the wires to terminals #7 and #32A on the control PC board.
17.Secure the solenoid wires to the wire feeder main harness using two tie wraps.
18.Reinstall the cover on the control box using four hex head screws.
