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Harbor Freight Tools 93793 manuel d'utilisation

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Table des matières du manuel d’utilisation

  • Page 1

    DU AL MIG WELDER Model 93793 ASSEMBL Y AND OPERA TING INSTRUCTIONS 3491 Mission Oaks Blvd., Camarillo, CA 93011 Visit our W eb site at: http://www .harborfreight.com Copyright 2006 by Harbor F reight T ools ® . All r ights reser v ed. No por tion of this manual or any artwor k contained herein ma y be reproduced in any shape or f or m without the [...]

  • Page 2

    For technical questions, please call 1-800-444-3353; T r oubleshooting section at end of manual. Page 2 SKU 93793 Contents PR ODUCT SPECIFICA TIONS .......................................................... 3 GENERAL SAFETY RULES ............................................................. 3 Specific Safety Rules ..................................[...]

  • Page 3

    For technical questions, please call 1-800-444-3353; T r oubleshooting section at end of manual. Page 3 SKU 93793 PR ODUCT SPECIFICA TIONS SA VE THIS MANU AL Y ou will need this manual f or the saf ety war nings and precautions , assembly , operating, inspection, maintenance and cleaning procedures, par ts list and assemb ly diagram. K eep your in [...]

  • Page 4

    For technical questions, please call 1-800-444-3353; T r oubleshooting section at end of manual. Page 4 SKU 93793 ELECTRICAL SAFETY 4. Grounded tools must be plugged into an outlet properly installed and grounded in accordance with all codes and ordinances. Never remove the grounding prong or modify the plug in an y way . Do not use any adapter plu[...]

  • Page 5

    For technical questions, please call 1-800-444-3353; T r oubleshooting section at end of manual. Page 5 SKU 93793 T OOL USE AND CARE 15. Use clamps (not included) or other practical ways to secure and support the workpiece to a stable platform. Holding the work by hand or against your body is unstable and may lead to loss of control. 16. Do not for[...]

  • Page 6

    For technical questions, please call 1-800-444-3353; T r oubleshooting section at end of manual. Page 6 SKU 93793 SPECIFIC SAFETY RULES 1. Ground this pr oduct. This Welder requires the attachment and use of a UL ® - listed, 220 v olt, grounded, 3-prong, electr ical P ow er Cord Plug (not included). Only a qualified electrician should install the [...]

  • Page 7

    For technical questions, please call 1-800-444-3353; T r oubleshooting section at end of manual. Page 7 SKU 93793 10. Prevent accidental fires. Remove any combustible material from the work area. • When possible, move the work to a location well away from combustible materials. If relocation is not possible, protect the combustibles with a cover [...]

  • Page 8

    For technical questions, please call 1-800-444-3353; T r oubleshooting section at end of manual. Page 8 SKU 93793 • Have a recognized specialist in Industrial Hygiene or Environmental Services check the operation and air quality and make recommendations for the specific welding or cutting situation. 12. Read and understand all instructions and sa[...]

  • Page 9

    For technical questions, please call 1-800-444-3353; T r oubleshooting section at end of manual. Page 9 SKU 93793 17. Use the right tool for the job. Do not attempt to force small equipment to do the work of larger industr ial equipment. There are cer tain applications for which this Welder was designed. It will do the job better and more safely at[...]

  • Page 10

    For technical questions, please call 1-800-444-3353; T r oubleshooting section at end of manual. Page 10 SKU 93793 2 . The grounding prong in the plug is connected through the green wire inside the cord to the grounding system in the tool. The green wire in the cord must be the only wire connected to the tool’ s grounding system and must ne ver b[...]

  • Page 11

    For technical questions, please call 1-800-444-3353; T r oubleshooting section at end of manual. Page 11 SKU 93793 AXLE BRACKET (40) AXLE (44) W ASHER (42) COTTER PIN (41) AXLE BRACKET (40) COTTER PIN (41) W ASHER (42) WHEEL (43) CASTER (37) BOT TOM P ANEL (36) BOL T BO TT OM VIEW FIGURE B ASSEMBL Y INSTRUCTIONS W ARNING! Alwa ys turn off the W eld[...]

  • Page 12

    For technical questions, please call 1-800-444-3353; T r oubleshooting section at end of manual. Page 12 SKU 93793 FIGURE C NUT SPOOL AXLE SPOOL SPOOL CLIP WELDING TO INST ALL A 10 LB. WIRE SPOOL 1 . Lift the Access P anel (31) of the Welder to e xpose the Wire F eed Assembly . 2 . If the 10 lb . Spool Axle is not already installed: Unscrew and rem[...]

  • Page 13

    For technical questions, please call 1-800-444-3353; T r oubleshooting section at end of manual. Page 13 SKU 93793 TO ROUTE THE WIRE NO TE: When installing wire of a diff erent size or composition, y ou will also need to change wire settings, set the gun polarity , and, possibly , install a gas cylinder . See pages 15-17. 1. IMPORT ANT : Securely h[...]

  • Page 14

    For technical questions, please call 1-800-444-3353; T r oubleshooting section at end of manual. Page 14 SKU 93793 W ARNING! EXERCISE EXTREME CA UTION - RISK OF FIRE AND/OR ELECTRIC SHOCK! The follo wing steps require applying po wer to the W elder . Do not touc h an ything with the T orc h Handle or W elding Wire or an arc will be ignited. Do not [...]

  • Page 15

    For technical questions, please call 1-800-444-3353; T r oubleshooting section at end of manual. Page 15 SKU 93793 TO CHANGE WIRE SETTINGS 1. W ARNING! Make sure to turn off the W elder and unplug it from its electr ical outlet prior to changing wire settings. 2 . Open the Access P anel (31) of the W elder to expose the Wire Feed Assembly . 3 . Loo[...]

  • Page 16

    For technical questions, please call 1-800-444-3353; T r oubleshooting section at end of manual. Page 16 SKU 93793 SETTING THE GUN POLARITY FOR WIRE TYPE 1 . Set for Electrode P ositiv e (DCEP) f or gas welding with solid-core wire. P ositive electrode (C), negativ e ground (D). SHO WN IN ILLUSTRA TION, INITIAL SETUP . (See Figure H.) 2. Set for El[...]

  • Page 17

    For technical questions, please call 1-800-444-3353; T r oubleshooting section at end of manual. Page 17 SKU 93793 TO INST ALL A GAS CYLINDER W ARNING: Maximum cylinder height is 3 feet 3 inc hes (1m). Maxim um cylinder weight is 88 lb., including gas. NEVER exceed either of these maximums. 1. CA UTION! Do not use an Argon/Mix ed pressure regulator[...]

  • Page 18

    For technical questions, please call 1-800-444-3353; T r oubleshooting section at end of manual. Page 18 SKU 93793 OPERA TING INSTRUCTIONS BEFORE YOU BEGIN WELDING Good welding requires a high degree of skill and e xper ience. Y ou should practice a few sample welds on scrap metal before you begin welding your first project. Additional practice per[...]

  • Page 19

    For technical questions, please call 1-800-444-3353; T r oubleshooting section at end of manual. Page 19 SKU 93793 SETTING UP THE WELD W ARNING! Before welding, make sure to read and understand all safety precautions and warnings discussed on pages 3 through 10. 1. Overload Indicator Light (50): If too much current is dra wn from the Welder , the O[...]

  • Page 20

    For technical questions, please call 1-800-444-3353; T r oubleshooting section at end of manual. Page 20 SKU 93793 7. NO TE: The workpieces should be fir mly held together and in position while welding. Use clamps (not included) to hold the workpieces so you can concentrate on the job at hand. The distance (if an y) betw een the two workpieces must[...]

  • Page 21

    For technical questions, please call 1-800-444-3353; T r oubleshooting section at end of manual. Page 21 SKU 93793 WELD SETTINGS CHART FIGURE N Welding Instructions continued on next page. . g n i t t e S e g a t l o V s i r e b m u n t s r i F . g n i t t e S d e e p S e r i W s i r e b m u n d n o c e S e h t e r a s e c a p s e h t n i h t i w s[...]

  • Page 22

    For technical questions, please call 1-800-444-3353; T r oubleshooting section at end of manual. Page 22 SKU 93793 18. Squeeze (and hold) the T r igger Switch (51e) of the W elding T orch (51) and stroke the area to be welded with the We lding Wire to ignite the arc. A. Ne v er tap the Welding Wire into the welding surface to ignite the arc. This w[...]

  • Page 23

    For technical questions, please call 1-800-444-3353; T r oubleshooting section at end of manual. Page 23 SKU 93793 WELD DIA GNOSIS EXCESS OR BURN-THROUGH Weld droops on top and underneath, or falls through entirely , making a hole . PROPER Weld is visible underneath and bulges slightly on top. INADEQU A TE Weld does not contact the joint fully , ju[...]

  • Page 24

    For technical questions, please call 1-800-444-3353; T r oubleshooting section at end of manual. Page 24 SKU 93793 CROOKED/W A VY BEAD POSSIBLE CA USES AND SOLUTIONS 1. Stickout too long: Reduce stickout. 2. Inaccurate welding: Use two hands or rest hand on steady sur- face. TOP VIEW POROSITY Small cavities or holes in the bead. POSSIBLE CA USES AN[...]

  • Page 25

    For technical questions, please call 1-800-444-3353; T r oubleshooting section at end of manual. Page 25 SKU 93793 WHEN THE WELD IS COMPLETED 21. Lift the Welding Wire completely a wa y from any grounded object. Set the face shield down. Then, tur n the P ower Switch to its “OFF” position. 22. Unplug the P ow er Cord (54) from the electr ical o[...]

  • Page 26

    For technical questions, please call 1-800-444-3353; T r oubleshooting section at end of manual. Page 26 SKU 93793 INSPECTION, MAINTENANCE, AND CLEANING 1 . P eriodically open the Access P anel (31) from the unit and, using compressed air , b low out all dust and debris from the interior . 2 . Alwa ys store the Welder in a clean, dry , saf e locati[...]

  • Page 27

    For technical questions, please call 1-800-444-3353; T r oubleshooting section at end of manual. Page 27 SKU 93793 REPLA CING THE WELDING TORCH LINER 1 . Switch welder off, disconnect pow e r , and discharge electrode to ground before proceeding. 2 . Secure welding wire to the spool, cut it near the spool, and remove it from the torch and cable. 3 [...]

  • Page 28

    For technical questions, please call 1-800-444-3353; T r oubleshooting section at end of manual. Page 28 SKU 93793 PARTS LISTS AND DIA GRAMS WIRING SCHEMA TIC[...]

  • Page 29

    For technical questions, please call 1-800-444-3353; T r oubleshooting section at end of manual. Page 29 SKU 93793 t r a Pn o i t p i r c s e Dt r a Pn o i t p i r c s e D 1l e n a P e d i S2 3h c t a L 2e n i L s a G3 3r o t c a e R r e t l i F 3n i a h C4 3r e m r o f s n a r T n i a M 5 3e g a i r r a C r e m r o f s n a r T 4t r o p p u S e l t[...]

  • Page 30

    For technical questions, please call 1-800-444-3353; T r oubleshooting section at end of manual. Page 30 SKU 93793 NO TE : Some par ts are listed and shown f or illustration purposes only and are not avail- able individually as replacement par ts . ASSEMBL Y DIA GRAM[...]

  • Page 31

    For technical questions, please call 1-800-444-3353; T r oubleshooting section at end of manual. Page 31 SKU 93793 Wire Feed Mechanism (15) 15d 15e 15c 15a 15f 16 15i 15j 15h 15g 15b ASSEMBL Y DIA GRAM (CONTINUED)[...]

  • Page 32

    IMPOR T ANT! Be CERT AIN to shut off the Welder , disconnect it from power , and discharge the tor ch to ground before adjusting, cleaning, or repairing the unit. SKU 93793 For technical questions, please call 1-800-444-3353. Page 32 If the steps above do not solve the prob lem or if the repairs in v olved are too complex, contact a qualified techn[...]

  • Page 33

    IMPOR T ANT! Be CERT AIN to shut off the Welder , disconnect it from power , and discharge the tor ch to ground before adjusting, cleaning, or repairing the unit. SKU 93793 For technical questions, please call 1-800-444-3353. Page 33 If the steps above do not solve the prob lem or if the repairs in v olved are too complex, contact a qualified techn[...]

  • Page 34

    IMPOR T ANT! Be CERT AIN to shut off the Welder , disconnect it from power , and discharge the tor ch to ground before adjusting, cleaning, or repairing the unit. SKU 93793 For technical questions, please call 1-800-444-3353. Page 34 If the steps above do not solve the prob lem or if the repairs in v olved are too complex, contact a qualified techn[...]