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I, Millerfi
November 1990
FORM: OM-1558A
Effective With
Style
No. KB-8
MODEL: MT-24-12-1
MT-24-25-1
MT-24F-1
2-1
MT-24 F-25-1
MT-24VF-12-1
MT-24VF-25-1
OWNERS
MANUAL
IMPORTANT:
Read and understand the entire
contents
of both this manual
and the power
source
manual used with this
unit,
with
special emphasis
on
the
safety
material
throughout
both
manuals,
before
installing, operating,
or
maintaining
this
equipment.
This unit and these
instructions
are
for
use
only
by
persons
trained and
experienced
in the
safe
operation
of
welding equip
ment. Do not
allow untrained persons
to
install, operate,
or
maintarn this unit.
Contact your distributor
if you do not
fully
understand
these instructions.
MILLER
ELECTRIC
Mfg.
Co.
A
Miller
Group
Ltd.,
Company
P.O.
Box 1079
Appleton,
WI 54912
USA
Tel. 414-734-9821
..,,n~
SA-120 672
PRINTED IN
U.S.A.
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Summary of Contents for Miller Electric MT-24-12-1
- Page 1 I, Millerfi November 1990 FORM: OM-1558A Effective With Style No. KB-8 MODEL: MT-24-12-1 MT-24-25-1 MT-24F-1 MT-24 F-25-1 MT-24VF-12-1 MT-24VF-25-1 ..,,n~ OWNERS MANUAL IMPORTANT: Read and understand the entire of both this manual contents MILLER ELECTRIC Mfg. and the power manual used with this...
- Page 2 LIMITED WARRANTY Subject the terms and conditions In the of MILLERs breach of any other duty warranty case hereof, MILLER Electric Mfg. Co., Appleton, Wisconsin with quality of any goods, the exclusive remedies respect Distributor/Dealer that unused therefore shall be.
- Page 3 OM-1558A 11/90 RECEIVING-HANDLING check for any dam- Use the following to record the Model Before unpacking equipment, carton Designa spaces Serial Number of your unit. The infor that may have occurred during shipment. File any tion and Style claims for loss with the mation is located the data card...
- Page 5 SECTION SAFETY RULES PROTECT EYES SKIN WARNING: UNSAFE PROCEDURES 1-3. FROM PRACTICES serIous personal PROTECT EARS FROM NOISE can cause RAYS; jury death. Arc rays from the welding produce intense heat process and follow ALL of these Read, understand, ultraviolet rays that burn and skin.
- Page 6 Since affect ANSI Standard Z49.t available from the Ameri welding pacemakers, keep of the work Have Welding Society, 550 N.W. LeJeune pacemaker area. wearers doctor before weld FL 33126. them consult coming ami, near a operation. AWS Standard A6.1, Recommended Safe Prac Gas Shielded available...
- Page 7 Cycle Size Torch Body Length Method ACHF DCEN; Capacity Ship Length: 12.5 ft. lbs. 2.5 lbs. MT-24-12-1 (206.0 mm) 8.1 in. (3.8 m) (0.9 kg) (1.1 kg) Handle Diameter: 0.75 in. (19.0 mm) 25 ft 4.5 lbs. 5.0 lbs. MT-24-25-1 Weight: .020 thru...
- Page 8 SECTION INSTALLATION Torch Body Heat Shield (Neck Portion) Gas Valve *Collet (If Applicable) *ColIet Body *Cup 0-Ring ~Tungsten Electrode Handle > High Flex *POwer Cable Cable Fitting Adapter *Required Consumables and Accessories **Obtain from Welding Equipment Supplier SA-120 Figure Torch Components 4-1.
- Page 9 flex flex cable fitting GAS HOSE CONNECTIONS AND GAS VALVE To install high cable, connect high 4-2. power cable (If Applicable) (Figures Thru 4-3) adapter. valve, suitable If torch includes connect length IMPORTANT: lfpower equipped with source gas hose (extra hose supplied) from power cable...
- Page 10 POWER CABLE CONNECTION Torch Gas Valve Operation (If Applicable) (Figures 4-3. Thru 4-3) kill. WARNING: ELECTRIC SHOCK valve allows gas flow control the torch. A one- counterclockwise opens the gas half valve, not touch live electrical turn parts. one-half clockwise closes the valve.
- Page 11 SECTION MAINTENANCE 6-1. ROUTINE MAINTENANCE (Table 6-1) Cable Power Inspect cables for breaks insulation, that ensure WARNING: ELECTRIC SHOCK kill; all connections clean tight. Repair replace SURFACES burns. can cause severe cables if insulation breaks Clean and present. tight touch live electrical parts.
- Page 12 Grind the end of the electrode your distributor for tungsten taper For additional information, distance of 2 2-1/2 electrode diameters in length. handbook the Gas Tungsten Welding (GTAW) example, surface for ground (3.2 mm) process. electrode should be 5/16 ameter tungsten (6.4 mm) long.
- Page 13 SECTION PARTS LIST Quantity Model Item Description Stock Model No. 24VF Figure 7-1. Complete Torch Assembly TUNGSTEN, electrode welding distributor) (consult your CUP, (see Fig 7-2) COLLET BODY, (see Fig 7-2) COLLET, (see Fig 7-2) 8OTHS HEAT SHIELD 120602 116540 TORCH BODY TORCH BODY 116557...
- Page 14 O r i f i c e 5 / 1 6 7 / 1 6 1 0 0 - 2 3 5 1 5 0 - 2 5 0 8 C G 3 3 2 1 1 9 9 0 0 2 G L 3 3 2 3 / 3 2 ( 2 .
- Page 16 OPTIONS AND ACCESSORIES POWER CABLE ADAPTERS FTC-14 REMOTE CONTACTOR GAS REGULATORS CURRENT CONTROL (Required torches with HRF-2425 (#127 661) one-piece, (#129 338) high-flex cable assembly The HRF-2425 regulator/flowmeter water-cooled torches.) Fastens torch handle. designed MIG, TIC, and other Includes 28 ft. (8.5 m) cord and inert gas...