Instruction/ maintenance manual of the product K2704-3 Lincoln Electric
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IM10032 August 2009 COUGAR TM Push Pull GUN Models: K2704-2, K2704-3 Safety depends on you. . . Lincoln arc welding and cutting equipment is designed and built with safety in mind. However , your overall safety can be increased by proper installation.
FOR ENGINE powered equipment. 1.a. T urn the engine off before troubleshooting and maintenance work unless the maintenance work requires it to be running. ____________________________________________________ 1.b. Operate engines in open, well-ventilated areas or vent the engine exhaust fumes outdoors.
ARC RA YS can burn. 4.a. Use a shield with the proper filter and cover plates to protect your eyes from sparks and the rays of the arc when welding or observing open arc welding. Headshield and filter lens should conform to ANSI Z87. I standards. 4.b.
FOR ELECTRICALL Y powered equipment. 8.a. T urn off input power using the disconnect switch at the fuse box before working on the equipment. 8.b. Install equipment in accordance with the U.S. National Electrical Code, all local codes and the manufacturer ʼs recommendations.
PRÉCAUTIONS DE SÛRETÉ Pour votre propre protection lire et observer toutes les instructions et les précautions de sûreté specifiques qui parraissent dans ce manuel aussi bien que les précautions de sûreté générales suiv- antes: Sûreté Pour Soudage A L ʼArc 1.
v v Tha nk Y ou for selecting one of our QUALITY products. We want you to take pride in operating this product ••• as much pride as we have in bringing this product to you! Read this Operators Manual completely before attempting to use this equipment.
1 T ABLE OF CONTENTS SAFETY PRECAUTIONS ........................................................................................................................................... i-v T ABLE OF CONTENTS ................................................
PRODUCT DESCRIPTION The Cougar™ push-pull gun is a lightweight, handheld combined semiautomatic wire feeder and welding gun, designed primarily for aluminum welding using argon shielding gas. The cable included with the push-pull gun allows welding up to 25 (7.
Unpacking the Push-Pull Gun Safety Precautions – Read "Safety Precautions" in the Operating Manual before pr o c e ed i n g. Only personnel that have read and understood the Operating Manual should install and operate this equipment.
Push-pull Gun Familiarization Become familiar with your push-pull gun before connecting to welder . For features described below , refer to Figure on the next page. 1. Handle, gun can be used in either right or left hand. 2. T rigger operates welding power , gas flow, and wire feed.
Safety Precautions W ARNING • Do not touch electrically live parts or electrode with skin or wet clothing • Insulate yourself from work and ground. • Always wear dry insulating gloves. ELECTRIC SHOCK can kill. • Keep your head out of fumes. • Use ventilation or exhaust to re mov e fume s from b reat hing zo ne.
C O U G A R ™ P u s h P u l l G u n - O P E R AT I N G I N S T R U C T I O N S LID RELEASE LEVER 6 Drive Roll Groove Selection The drive roll has two grooves. A wider groove for feeding 3/64” (.047) wire and a narrow groove for feeding .035” (0.
7 C O U G A R ™ P u s h P u l l G u n - O P E R A T I N G I N S T R U C T I O N S Making A Weld 1 Check that the push-pull gun power , control, and gas connec- tions are cor re ct fo r the po wer so urce b eing u sed. C heck t ha t th e g as s uppl y is turned on.
COUGAR ™ Push Pull Gun ACCESSORIES/MAINTENANCE The following accessories are available for the Cougar™ push-pull gun. .035-3/64" Aluminum Drive Roll Kit Features two grooves for feeding aluminum wire. The smaller groove feeds .035 wire. The larger groove feeds 3/64th wire.
C O U G A R ™ P u s h P u l l G u n T roubleshooting Guide PROBLEM SYMPTOMS REMEDY No arc, wire feed, or gas flow . 1. Cable connections loose. 1. Check all power connections. 2. T rigger switch loose or defective. 2. Fix switch or replace. 3. Welder not turned on.
C O U G A R ™ P u s h P u l l G u n T roubleshooting Guide TESTING THE TORCH Motor Check. Remove the torch connector from the cabinet. Using the torch Control Cable Connector , check the resistance acr os s p ins “A” an d “B” ( moto r lead s).
C O U G A R ™ P u s h P u l l G u n REPLACEMENT P ARTS LIST AND DIAGRAM 1 1 1 9 1 1 2 3 4 5 10 6 7 8 ITEM P ART NO. NO. DESCRIPTION 1 KP2877-180 180 Degree Air-Cooled Gun Barrel 2 S26374-31 Motor As.
S26374-14 C O U G A R ™ L X P u s h P u l l G u n REPLACEMENT P ARTS LIST AND DIAGRAM ITEM NO. P ART NO. DESCRIPTION COMMENTS 1 S26374-31 Motor Assembly 2 S26374-7 Pressure Lever 3 S26374-8 Pivot Arm 4 S26374-9 Set Screw , Pressure Roll 5 S26374-10 Pressure Adjustment Knob Assembly 6 S26374-12 Ball Bearing 7 KP2876-1 Drive Roll Kit AL .
13 W ARNING A VISO DE PRECAUCION A TTENTION W ARNUNG A TENÇÃO Spanish French German Portuguese Japanese Chinese Korean Arabic READ AND UNDERST AND THE MANUF ACTURER’S INSTRUCTION FOR THIS EQUIPMENT AND THE CONSUMABLES TO BE USED AND FOLLOW YOUR EMPLOYER’S SAFETY PRACTICES.
14 W ARNING A VISO DE PRECAUCION A TTENTION W ARNUNG A TENÇÃO Spanish French German Portuguese Japanese Chinese Korean Arabic LEIA E COMPREENDA AS INSTRUÇÕES DO F ABRICANTE P ARA ESTE EQUIP AMENTO E AS PAR TES DE USO, E SIGA AS PRÁTICAS DE SEGURANÇA DO EMPREGADOR.
NOTES: ________________________________________________________________ ________________________________________________________________ _______________________________________________________________.
• Sales and Service through Subsidiaries and Distributors Worldwide • Cleveland, Ohio 441 17-1 199 U.S.A. TEL: 216.481.8100 F AX: 216.486.1751 WEB SITE: www .
An important point after buying a device Lincoln Electric K2704-3 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Lincoln Electric K2704-3 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Lincoln Electric K2704-3 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Lincoln Electric K2704-3 you will learn all the available features of the product, as well as information on its operation. The information that you get Lincoln Electric K2704-3 will certainly help you make a decision on the purchase.
If you already are a holder of Lincoln Electric K2704-3, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Lincoln Electric K2704-3.
However, one of the most important roles played by the user manual is to help in solving problems with Lincoln Electric K2704-3. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Lincoln Electric K2704-3 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
