Chicago Electric 66787 Set Up And Operating Instructions Manual
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Chicago Electric 66787 Set Up And Operating Instructions Manual

240 volt arc/tig inverter welder and tig welding torch
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240 Volt arc/tIG
INVErtEr wEldEr
aNd tIG wEldING torch
SEt up aNd opEratING INStructIoNS
Visit our website at: http://www.harborfreight.com
read this material before using this product.
Failure to do so can result in serious injury.
SaVE thIS MaNual.
©
Copyright
2009 by Harbor Freight Tools
contained herein may be reproduced in any shape or form without the express written consent of
Harbor Freight Tools. Diagrams within this manual may not be drawn proportionally. Due to continuing
improvements, actual product may differ slightly from the product described herein. Tools required for
assembly and service may not be included.
For technical questions or replacement parts, please call 1-800-444-3353.
Revised Manual 09h, 09k, 09l
Model
66787
®
. All rights reserved. No portion of this manual or any artwork

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Summary of Contents for Chicago Electric 66787

  • Page 1 Harbor Freight Tools. Diagrams within this manual may not be drawn proportionally. Due to continuing improvements, actual product may differ slightly from the product described herein. Tools required for assembly and service may not be included.

  • Page 2: Table Of Contents

    Instructions...13 MaINtENaNcE aNd SErVIcING...14 trouBlEShootING...15 wEldEr partS lISt aNd aSSEMBlY dIaGraM...16 tIG torch partS lISt aNd aSSEMBlY dIaGraM...17 plEaSE rEad thE FollowING carEFullY...17 product warraNtY INForMatIoN...18 SKU 66787 For technical questions, please call 1-800-444-3353. coNtENtS Page 2...

  • Page 3: Important Safety Information

    SKU 66787 For technical questions, please call 1-800-444-3353. NotIcE is used to address practices not related to personal injury. cautIoN, without...
  • Page 4 Do not overreach. Keep proper foot- ing and balance at all times. This enables better control of the power tool in unexpected situations. SKU 66787 For technical questions, please call 1-800-444-3353. power tool use and care Do not force the power tool. Use the correct power tool for your applica- tion.

  • Page 5: Specific Safety Rules

    Specific Safety Rules Maintain labels and nameplates on the tool. These carry important safety information. If unreadable or miss- ing, contact Harbor Freight Tools for a replacement. Do not touch the tip of the Torch when the welder is connected to power. The Torch will immediately activate when it is plugged in.
  • Page 6 • Wear an approved head covering to protect the head and neck. Use aprons, cape, sleeves, shoulder covers, and bibs designed and SKU 66787 For technical questions, please call 1-800-444-3353. approved for welding and cut ting procedures. • When welding/cutting overhead...
  • Page 7 SKU 66787 For technical questions, please call 1-800-444-3353. Ensure that the unit is placed on a stable location before use. If this unit falls while plugged in, severe injury, electric shock, or fire may result.
  • Page 8 NIOSH to protect against the fumes produced to reduce the risk of developing the above illnesses. SKU 66787 For technical questions, please call 1-800-444-3353. 23. The warnings, precautions, and in- structions discussed in this instruction manual cannot cover all possible con- ditions and situations that may occur.

  • Page 9: Product Specifications

    When unpacking, check to make sure that the item is intact and undamaged. If any parts are missing or broken, please call Harbor Freight Tools at the number shown on the cover of this manual as soon as possible. Note: For TIG Welding Torch Parts List and Diagram, refer to page 17.

  • Page 10: Welder Features

    (See Figure c.) power Switch (16): must illuminate before welding opera- tions can begin. (See Figure c.) tig welder torch SKU 66787 For technical questions, please call 1-800-444-3353. Connect the Connect the Turn the Dial When The Power Switch...

  • Page 11: Operating Instructions

    (See Figure a.) Connect the Electrode Holder (8) Cable to the POSITIVE (+) terminal. (See Figure a.) SKU 66787 For technical questions, please call 1-800-444-3353. work piece and work area Set up Designate a work area that is clean and well-lit. The work area must not allow access by children or pets to prevent injury and distraction.
  • Page 12 Welder. Mount the metal to be welded to the metal work table. It should be mount- SKU 66787 For technical questions, please call 1-800-444-3353. ed so that the welding debris falls to the cement floor.

  • Page 13: Tig Torch Operating Instructions

    (See Figure a.) Allow all components of the Welder to completely cool. Then clean and store the Welder indoors out of reach SKU 66787 For technical questions, please call 1-800-444-3353. of children and other unauthorized persons. IMPORTANT: Refer to the included “Weld Diagnoses”...

  • Page 14: Maintenance And Servicing

    “oFF” position and unplug the tool from its electrical outlet before performing any inspection, maintenance, or cleaning procedures. SKU 66787 For technical questions, please call 1-800-444-3353. to prEVENt SErIouS INjurY FroM tool FaIlurE: do not use damaged equipment. If...

  • Page 15: Troubleshooting

    Fan not operating. Main supply fuse shuts off frequently. Follow all safety precautions whenever diagnosing or servicing the welder. disconnect power supply before servicing. SKU 66787 For technical questions, please call 1-800-444-3353. trouBlEShootING possible cause(s) No power at electrical outlet.

  • Page 16: Welder Parts List And Assembly Diagram

    Housing Strap Potentiometer Potentiometer Dial LED Light Quick Connector Inductor Electrode Holder Ground Clamp Steel Base SKU 66787 For technical questions, please call 1-800-444-3353. Qty. part # description Transformer Heat Sink Tapping Screw (4.2 x 9.5) Cooling Vent Power Switch...

  • Page 17: Tig Torch Parts List And Assembly Diagram

    ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO, OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO. SKU 66787 For technical questions, please call 1-800-444-3353. description...

  • Page 18: Product Warranty Information

    90 daY warraNtY Harbor Freight Tools Co. makes every effort to assure that its products meet high quality and durability standards, and warrants to the original purchaser that this prod- uct is free from defects in materials and workmanship for the period of 90 days from the date of purchase.

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