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12-1/2 ft. (3.8m

25 ft (7.6m)

12-1/2 ft. (3.8m)

25 ft (7.6m)

MT412-1

MT425-1

HEAD STYLE

CABLE LENGTH

PART NUMBER

FACE PLATE

MOUNTED

WITH

ADJUSTING CAP

CK WORLDWIDE INC.

WARRANTY:

CK Worldwide, Inc. warrants products manufactured by CK Worldwide, Inc. to 

be free of defects in materials and workmanship.  CK Worldwide, Inc. limits this 

warranty to replacement of the product or parts thereof and excludes liability for 

injury, property damage or economic loss attributable to product use or misuse.

In any event, CK Worldwide, Inc. will only be responsible for its products when 

used with accessory items manufactured by CK Worldwide, Inc.

INSTALLATION:

Before using this torch, - tighten regulator, hose and power cable fittings with 

proper wrenches.  Using small pliers, securely tighten all knurled hose fittings 

(Slide the torch handle back for access to the torch connections).  Purge the 

regulator and TIG torch with inert gas at 20 cubic feet per hour.  Following these 

steps will ensure contamination free welds. Repeat this procedure whenever 

torch or regulator fittings have been detached.

CONNECTION

DIAGRAM:

CAUTION:

Personal harm will result from touching the hot parts of a TIG torch without 

insulative protection, or from looking directly or indirectly at an arc or reflected 

arc. At no time should bare skin be exposed to a welding arc.

TUNGSTEN

PREPARATION:

GRINDING PREPARATION:

Use a 60 Grit or finer aluminum

oxide wheel

EXTENSION INSTRUCTION:

STANDARD PARTS

General Purpose:

Flat:

1/4 to 1/2 x Diameter

Taper:

2 to 3 x Diameter

3 x Diameter from end of cup.

END PREPARATION:

DCSP (EN)

General Purpose:

Ball tip by arcing on clean metal 

at low current DCRP (EP) then 

slowly increase current to form 

the desired ball diameter.

The included angle determines weld 

bead shape and size.  Generally,

as the included angle increases, 

penetration increases and bead 

width decreases.

Maximum extension:

6 x Diameter from end of cup.

(In draft - free areas)

Ball:

Maximum 1 x Diameter

Remove sharp point to leave a 

truncated point with a flat spot.  

Diameter of flat spot determines 

amperage.

3 x Diameter from end of cup.

Shape tungsten by grinding 

logitudinally, never radially.

ACHF

General Purpose:

GAS LENS PARTS

General Purpose:

INFORMATION

CHART:

ARGON FLOW

- ALUMINUM

ARGON FLOW

- FERROUS METALS

WELDING CURRENT (AMPS)

- TUNGSTEN TYPE

Gas Lens

Body

(Liters)

Standard

Body

(Liters)

Gas Lens

Body

(Liters)

Standard

Body

(Liters)

DCSP

Thoriated

DCSP

Pure

AC

Thoriated

AC

Pure

.020 (0.50)
.040 (1.00)
1/16 (1.60)
3/32 (2.40)

1/8 (3.20)

5/32 (4.00)
3/16 (4.80)

1/4 (6.40)

Cup

Size

Electrode

Diameter

in inches

(mm)

5-8 (3-4)

5-10 (3-5)

7-12 (4-6)

10-15 (5-7)

10-20 (5-10)

12-25 (6-12)

15-30 (7-14)

25-45 (12-21)

5-8 (3-4)

5-12 (3-6)

8-15 (4-7)

10-20 (5-10)

12-25 (6-12)

15-30 (7-14)

25-40 (12-19)

30-55 (14-26)

5-8 (3-4)

5-8 (3-4)

5-10 (3-5)

8-10 (4-5)

8-12 (4-6)

12-25 (6-12)

20-35 (10-17)

10-15 (5-7)

5-8 (3-4)

5-10 (3-5)

7-12 (4-6)

10-15 (5-7)

10-18 (5-9)

15-25 (7-12)

20-35 (10-17)

25-50 (12-24)

5 - 20

20 - 80

80 - 150

150 - 250
240 - 350
400 - 500

475-800

700 - 1100

5 - 15

15 - 70

70 - 130

150 - 220
220 - 330
375 - 475

475-800

5 - 20
15-80

70 - 150

140 - 235
220 - 325
300 - 425
400 - 525
500 - 700

5 - 15

10 - 60

50 - 100

100 - 160
150 - 210
200 - 275
250 - 350
325 - 700

4 or 5
4 or 5

4, 5 or 6
6, 7 or 8

7, 8 or 10

8 or 10
8 or 10

10

750 - 1000

 

CK WORLDWIDE INC. 

 

PHONE: (253) 854-5820

www.ckworldwide.com               

3501 “C” ST. N.E. 

 

PHONE: (800) 426-0877

[email protected]

AUBURN, WA. 98002 

 

FAX: (253) 939-1746

USA

IMPORTANT !!

READ AND UNDERSTAND THE

INFORMATION CONTAINED IN THIS

MANUAL BEFORE OPERATING THE EQUIPMENT !

TECHNICAL INFORMATION

TIG TORCH MANUAL

RATING @ 100% DUTY CYCLE:

COOLING METHOD:

HEAD ACCESSORIES:

POWER CABLE ADAPTOR:

400 AMP ACHF OR DCSP

WATER COOLED

3 /MT400 SERIES

2PCA, SLWHAT-25, SLWHAT-35

MT400

MT400

ACCESSORY ITEMS REQUIRED FOR COMPLETE INSTALLATION:

MODEL SELECTOR - TORCH PACKAGES

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