Maintenance; Tregaskiss™ Nozzle And Tough Lock™ Consumables - Bernard TG Series Owner's Manual

3.0 – MAINTENANCE
3.1 TREGASKISS™ NOZZLE AND TOUGH LOCK™ CONSUMABLES
STANDARD DUTY NOZZLE
VARIOUS SIZES AVAILABLE
IMPORTANT:

Neck insulator MUST be in place before welding to properly insulate neck armor.

Check all parts to ensure that connections are tight before welding.
 The retaining head MUST be tightened with a 5/8" (16 mm) wrench to prevent the contact tip from
overheating.

DO NOT use pliers to remove or tighten the retaining head or scoring may result.
Removal and Replacement
Nozzle

Pull slip-on nozzles off with a twisting motion.

When installing the nozzle, ensure that it is fully seated.
Contact Tip

Thread the contact tip into the retaining head.

Torque to 30 in.-lbs. (3.5 Nm).
 The Tregaskiss Tip Tool (Part # 450-18 – for heavy-duty tips) or a pair of weld pliers are the optimal
tools for contact tip installation.
Retaining Head
 Thread retaining head onto neck with a 5/8" (16 mm) wrench.

Torque to 80 in.-lbs. (9 Nm).

DO NOT use pliers to remove or tighten the heavy duty retaining head or scoring may result.
Neck Insulator

The neck insulator is pressed onto the neck by hand.
3.2 CONVENTIONAL LINER REPLACEMENT
NOTE: For guns equipped with thread-in power pins, Bernard, or Euro-connector, follow the procedure
below. On Miller® style guns, liner is held captive by a guide cap, which must be removed and replaced
when changing liner.
STEP #1
(T-Gun™ Model Shown)
STANDARD DUTY
TREGASKISS TOUGH
LOCK CONTACT TIP
LOCK RETAINING HEAD
16
STANDARD DUTY
TREGASKISS TOUGH
CONDUIT LINER
NECK
INSULATOR