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Lincoln Electric HELIX T55 Operator's Manual

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HELIX™ T55 WELD HEAD
For use with machines having code Numbers:
Safety Depends on You
Lincoln arc welding and cutting
equipment is designed and built
with safety in mind.
However,
your
overall
safety
can
increased by proper installation
... and thoughtful operation on
your part. DO NOT INSTALL,
OPERATE OR REPAIR THIS
EQUIPMENT WITHOUT READ-
ING THIS MANUAL, AND THE
SAETY PRECAUTIONS CON-
TAINED THROUGHOUT. And,
most importantly, think before
you act and be careful.
Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.418.8100 FAX:216.486.1751 WEB Site: www.lincolnelectric.com
70301 & 70300
be
OPERATOR'S MANUAL
World's Leader in Welding and Cutting Products
Sales and Service through Subsidiaries and Distributors Worldwide
Copyright © Lincoln Global Inc.
IM6112
October, 2012

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Summary of Contents for Lincoln Electric HELIX T55

  • Page 1 IM6112 HELIX™ T55 WELD HEAD October, 2012 For use with machines having code Numbers: 70301 & 70300 Safety Depends on You Lincoln arc welding and cutting equipment is designed and built with safety in mind. However, your overall safety increased by proper installation …...
  • Page 6 ••• • •...

  • Page 7: Table Of Contents

    TABLE OF CONTENTS T55 Weld Head .......... 17 TABLE OF CONTENTS Daily Maintenance ......... 17 Weekly Maintenance ......17 TABLE OF CONTENTS ......... i Monthly Maintenance ......17 TABLE OF FIGURES ........ii Quarterly Maintenance......17 BASIC INFORMATION......... 1 PARTS LIST ..........20 Toolbox ............

  • Page 8: Table Of Figures

    TABLE OF CONTENTS TABLE OF FIGURES Figure 1 – TRACK RING ........ 3 Figure 2 – SHOE PLACEMENT ....4 Figure 3 – SHOE EXTENSION ...... 5 Figure 4 – ASSEMBLY STEP 1 ..... 5 Figure 5 – ASSEMBLY STEP 2 ..... 6 Figure 6 –...
  • Page 9 Helix ™...

  • Page 10: Basic Information

    BASIC INFORMATION Tools BASIC INFORMATION 60” Flexible cloth Measuring tape 7/64” Hex Key (wire guide clamp) 1/8” Hex Key (wire guide angle adjust) The T55 Helix™ is a precision, gear driven weld 3/16” Hex Key (Oscillation plate, Lead/Lag Angle) head designed for GTAW (TIG) welding. Paired 1/4”...

  • Page 11: Technical Specifications

    INSTALLATION Technical Specifications Product Helix™ T55 Tractor Product Number K52002-1 Input Power 25V DC Travel Speed 0.5 – 20 ipm Wire Feed Speed 0.1 to 130 ipm Wire Size Range 0.030 - .052 Radial Clearance 5.5 in (139.7 mm) Axial Clearance 11.5 in (292.1 mm) Oscillation Stroke 1 in (25.4 mm)

  • Page 12: Track Ring

    INSTALLATION FIGURE 1 – TRACK RING Track Ring Not all cross braces require shoes. Standard track rings come in two varieties. Two segment tracks and four segment tracks. Two segment tracks start at an 8 inch diameter and in- crease in size by 2 inch increments up to 28 inches. Track shoes come already installed on the track Four segment tracks start at 30 inches and increase ring (see Figure 2 –...

  • Page 13: Shoe Placement

    INSTALLATION FIGURE 2 – SHOE PLACEMENT Shoe Placement Shoe Extension The number of track shoes is determined by the In order to accommodate different size pipes, ex- size of the track ring: tensions are available. These extensions attach onto the track shoes and are stackable to adjust for various size pipes.

  • Page 14: Track Ring Installation

    INSTALLATION Track Ring Installation If the track rings are assembled, separate the 2 Shoe extension bolts pass through the shoe exten- halves of the track ring by unscrewing the 2 clamp- sion and thread into the track shoe to keep the ex- ing screws at each end cap with a 5/32”...

  • Page 15: Figure 5 - Assembly Step 2

    INSTALLATION the joints between the tubular track sec- tions. 5. Ensure that track moves freely around the work surface. If the track does not move freely verify that all track shoes are backed against the cross brace. If the track shoes are all backed against the cross brace and there is not free movement it may be nec- essary to use the next larger size track ring.

  • Page 16: Figure 8 - Track Placement

    INSTALLATION FIGURE 8 – TRACK PLACEMENT 8. Adjust shoes to center the track around the pipe by turning both adjustment screws on each shoe evenly. Start by adjusting only the top most and bottom most shoes to center the track. Once those shoes are firmly onto the work surface move on to op- posing track shoes.

  • Page 17: Weld Head

    INSTALLATION FIGURE 9 – WELD HEAD Weld Head 2. Lift up the tractor by the handles (not the wire feed motors), place the tractor on top This section covers weld head installation and set- up. For operational instructions and calibration re- of the track with the torch perpendicular to fer to control system manual.

  • Page 18: Torch Setup

    INSTALLATION Lead Lag Angle Torch Setup To set the lead/lag angle (see Figure 13 – Torch Before welding ensure the torch is set up for opti- Lead/Lag) of the torch loosen the barrel clamp bolts mal weld parameters There are six adjustments that can be set: with a 5/32”...

  • Page 19: Tungsten Stick Out

    INSTALLATION entire torch assembly to align the torch with the change the torch height offset by adjusting the torch seam (see Figure - 15 Torch Stick Out). Leave at mount slide or the AVC plate mounting. least two bolts overlapping the Main Body Assem- bly.

  • Page 20: Wire Feeder Angle

    INSTALLATION – AVC Plate). The AVC plate can move to any posi- tion so long as all four bolts are re-attached. Replace the torch and re-attach the barrel clamp. Removing the torch head may require the operator to re-adjust the lead/lag angle. FIGURE 20 –...

  • Page 21: Verify Drive Rolls

    INSTALLATION With the tension knob loose the upper drive roll can Verify Drive Rolls rotate freely. Rotate the drive roll until the set Before installing wire, verify that the proper drive screw (see Figure 22 – Set Screw) is exposed and rolls are installed in each of the wire feed units.

  • Page 22: Change Lower Drive Roll

    INSTALLATION Drive the wire feed motor until the set screw is ac- Change Lower Drive Roll With the top still pivoted away, drive the wire feed cessible. Tighten the set screw. motor until the set screw for the lower drive roll is exposed.

  • Page 23: Wire Feed Setup

    INSTALLATION Install the wire spools so that the wire is fed from Wire Feed Setup the outside of the spool into the wire feeder (see Once you have verified proper drive roll installation Figure 28 – Wire 1 Installation and Figure 29 – Wire it is time to set up the wire feed.

  • Page 24: Adjustments For Radial Clearance

    INSTALLATION en the tension knob slightly to give the rollers a Put the wire arm to the desired position and tighten better grip. the thumb screw (see Figure 34 – Wire Arms Ad- justed). The serrated teeth ensure that the wire arm will not slip out of position.

  • Page 25: Operation

    OPERATION OPERATION For operation instructions for the T55 Helix™ refer to orbital control system manual.

  • Page 26: Maintenance

    MAINTENANCE T55 Weld Head MAINTENANCE The T55 Weld Head requires only little to moderate The T55 Helix™ Weld Head and Track Ring are cleaning and maintenance. Use rubbing alcohol designed for trouble free operation and normally and a brush with plastic bristles or a cotton swab to requires minimal preventive care and cleaning.
  • Page 27 WIRING DIAGRAM FIGURE 35 – WIRING DIAGRAM...
  • Page 28 NOTES...

  • Page 29: Parts List

    This parts list is provided as an informative guide only. It was accurate at the time of printing. These pages are only updated on the Service Navigator DVD and in Lincoln Electric’s official Parts Book (BK-34). When Ordering parts, always refer to Lincoln Electric’s official Parts Book (BK-34) for the latest pages.
  • Page 30 PARTS LIST ILLUSTRATION OF PARTS 08-21-2012 HELIX™ T55 WELD HEAD...
  • Page 31 PARTS LIST HELIX™ T55 WELD HEAD Do Not use this Parts list for a machine if its code number is not listed. Contact the Service Department for any code numbers not listed. Use the Illustration of Sub-Assemblies page and the table below to determine which sub assembly page and column the desired part is located on for your particular code machine.
  • Page 32 PARTS LIST Main Body Assembly 08-21-2012 HELIX™ T55 WELD HEAD...
  • Page 33 PARTS LIST # Indicates a change in this printing. Use only the parts marked “x” in the column under the heading number called for in the model index page. ITEM DESCRIPTION PART NO. QTY. 1 2 3 4 5 6 7 Main Body Assembly (M22911), includes;...
  • Page 34 PARTS LIST Main Body Assembly (Lower) 08-21-2012 HELIX™ T55 WELD HEAD...
  • Page 35 PARTS LIST # Indicates a change in this printing. Use only the parts marked “x” in the column under the heading number called for in the model index page. ITEM DESCRIPTION PART NO. QTY. 1 2 3 4 5 6 7 Main Body Assembly (M22911), includes;...
  • Page 36 PARTS LIST Torch Arm Assembly 08-21-2012 HELIX™ T55 WELD HEAD...
  • Page 37 PARTS LIST # Indicates a change in this printing. Use only the parts marked “x” in the column under the heading number called for in the model index page. ITEM DESCRIPTION PART NO. QTY. 1 2 3 4 5 6 7 Torch Arm Assembly (M22989-X), includes;...
  • Page 38 PARTS LIST Wire Hub Rear 08-21-2012 HELIX™ T55 WELD HEAD...
  • Page 39 PARTS LIST # Indicates a change in this printing. Use only the parts marked “x” in the column under the heading number called for in the model index page. ITEM DESCRIPTION PART NO. QTY. 1 2 3 4 5 6 7 Wire Hub Rear (M24029), includes;...
  • Page 40 PARTS LIST Wire Hub Front 08-21-2012 HELIX™ T55 WELD HEAD...
  • Page 41 PARTS LIST # Indicates a change in this printing. Use only the parts marked “x” in the column under the heading number called for in the model index page. ITEM DESCRIPTION PART NO. QTY. 1 2 3 4 5 6 7 Wire Hub Front (M24029), includes;...
  • Page 42 PARTS LIST Welding Cable Assembly 08-21-2012 HELIX™ T55 WELD HEAD...
  • Page 43 PARTS LIST # Indicates a change in this printing. Use only the parts marked “x” in the column under the heading number called for in the model index page. ITEM DESCRIPTION PART NO. QTY. 1 2 3 4 5 6 7 Torch Arm Assembly (M22989-X), includes;...
  • Page 44 PARTS LIST Helix™ Track Ring and Shoe Extensions 08-21-2012 HELIX™ T55 WELD HEAD...
  • Page 45 PARTS LIST # Indicates a change in this printing. Use only the parts marked “x” in the column under the heading number called for in the model index page. ITEM DESCRIPTION PART NO. QTY. 1 2 3 4 5 6 7 Helix™...

  • Page 46: Index

    INDEX Index Angle Adjustment Knob ............19 Handle Extensions ..............17 AVC ................ ii, 1, 2, 9, 19 Height Adjustment Knob ............19 AVC Assembly ................. 19 Helix™ .................. i, 1 AVC Motor................19 Hub Nut .................. 21 AVC Plate ................. 19 AVC Plate Bolts ................
  • Page 47 INDEX torch stick-out ................8 track ............1, 3, 4, 5, 6, 7, 8, 13 Track Rail ................1 Weld Head ................ i, 1, 7 Wire Angle Bolt ..............19 track ring ................3, 5 Track Rollers ................17 Wire Feed ..............i, 11, 17, 21 track shoes ................
  • Page 48 NOTES...
  • Page 49 NOTES...

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