Changing The Neck And Switch - Bernard Clean Air MIG Gun Series Owner's Manual

8-3 Changing the Neck and Switch

A. Changing the Neck - Straight Handle Model
1. Remove the two top pods screws (see 'A' in Figure 8-D) on the
side of the gun.
2. Slide the top pod (see 'B' in Figure 8-D) up and back toward the
rear of the handle and pull the trigger (see 'C' in Figure 8-D)
down.
3. Remove the two handle screws (see 'D' in Figure 8-D) and
rotate the handle locking cap 1/4 turn counterclockwise to open
the handle.
4. After removing the vacuum chamber and front-end
consumables, the vacuum tube (see 'E' in Figure 8-D) will slide
forward.
5. Hold the neck (see 'F' in Figure 8-D) snug in a vise (be careful
not to damage the neck by over tightening) and loosen
cable/neck connection using a wrench.
6. Remove from vise and unthread neck by hand.
7. Thread new neck into cable end fitting and tighten by hand.
8. Hold neck in vise and secure cable/neck connection using a
wrench. Torque to 13 ft-lbs (17.6 Nm).
9. Position neck, vacuum tube, and handle swivel into handle.
Make sure trigger wires are located in cutout at the bottom of
the handle.
10. Close handle halves and secure by rotating the handle locking
cap clockwise 1/4 turn. Secure handle halves with the two
handle screws and post fasteners.
B. Changing the Switch - Straight Handle Model
1. If replacing the trigger, disconnect the two terminals from the
switch and then connect the new trigger.
2. Position trigger onto bottom of handle, slide top pod down over
the top of the handle and lock into place.
3. Secure with two screws and reassemble front-end
consumables and vacuum chamber.
19 OM-CA-2.3
Figure 8-D