Installing Gun To Quick Connect Block - Bernard TG Series Owner's Manual

2.3 INSTALLING GUN TO QUICK CONNECT BLOCK

Ensure correct liner and contact tip are utilized. Examine and replace power pin o-rings if necessary.
STEP #1

Guide welding wire into power pin.

Insert power pin to shoulder.

Tighten thumbscrew securely.

Connect control plug leads to leads on rear of gun.

NOTE:
If installing the Euro version of the Quick Connect Block, connect leads from the Quick Connect
Block directly to the leads on the gun.

Insert control plug into feeder.
STEP #2

With gun lying straightened, pull trigger and feed wire through gun. It may be necessary to remove contact
tip when feeding small wire sizes.

Recheck: - proper gas flow
- drive roll pressure
- voltage and wire feed speed
2.4 INSTALLING / REPLACING POWER PIN ON GUN
NOTE:
The rear handle and screws do not have to be removed when installing the
two-piece power pins. T-Gun™ Model Shown.

Thread power pin into rear housing.
 Tighten the power pin into the rear housing using a 3/4" (19 mm) wrench on the
rear block and a 5/8" (16 mm) or 3/4" (19 mm) wrench on power pin. Torque to
18 ft.-lbs. (24.4 Nm).

IMPORTANT:
The thread-in two-piece power pin has a taper to seat and lock
the power pin in the rear handle block. Tighten the power pin in the block with a
wrench to ensure that pin remains in place.

Install liner. See Section 3.2 CONVENTIONAL LINER REPLACEMENT or Section 3.3 TREGASKISS
QUICK LOAD™ LINER REPLACEMENT.
REAR HANDLE
WELDING WIRE
15
POWER PIN
TO GAS
THUMB SCREW