Front End Parts Installation - ESAB MT-300GL Instrucciones De Operación

SECTION 3
3.4 – FRONT END PARTS INSTALLATION
3.4.1 INSULATOR NOZZLE AND CONTACT TIP
IMPORTANT
•
Shock washer must be in place before welding to maintain insulation of gooseneck armor.
•
Be sure all parts are tightened well before welding.
•
To prevent scoring of the tip adaptor, do not use pliers.
Removal and Replacement
•
Pull insulator nozzles off with a clockwise twisting motion.
•
When installing nozzle, exposed insulator should nest inside shock washer to assure concentricity.
•
Remove tip adaptor using 5/8" (16 mm) wrench
•
Shock washers are positioned on the end of the gooseneck with the insulated counterbore facing the nozzle.
•
Replace tip adaptor with deep counterbore toward the gooseneck. Tighten until retainer and shock washer are
secure.
•
Install contact tip and tighten using pliers. See chart below for corrent contact tip.
ESAB Contact Tips
Wire Type & Size
Hard, Cored & Soft Wires
.030 in. (0.8 mm)
.035 in. (0.9 mm)
.045 in. (1.2 mm)
.052 in. (1.4 mm)
1/16 in. (1.6 mm)
5/64 in. (2.0 mm)
3/32 in. (2.4 mm)
7/64 in. (2.8mm)
1/8 In. (3.1 m)
Note:
Contact Tips manufactured by ESAB, Tregaskiss and Lincoln can be used with this tip
adapter. Tip lengths will vary. Use of the tip insulator during welding is a customer
choice. Tip extension and/or recess from the tip insulator nozzle will vary depending on
the contact tip manufacturer and size chosen.
ContactTip
Part No.
Q403-1-30
Q403-1-35
17765
17778
948835
948832
948833
Q603-764
Q603-18
21
INSTALLATION
Inside Diameter
in. (mm)
.039 (.9)
.044(1)
.062 (1.6
.062 (1.6)
.072 (1.8)
.094 (2.4)
.123 (3.1)
.120 (3.2)
.144(3.6)