Lincoln Electric K2704-3, K2704-2 manual Push-pull Gun Familiarization, Connecting to Power Source

Page 10

COUGAR™ Push Pull Gun - INSTALLATION

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.Trigger operates welding power, gas flow, and wire feed.

3.Remote wire speed control, located behind the handle, con- trols the speed of the drive motor.

4.Open body cover by flipping lid and observe the following:

a.Wire drive release lever up position moves pressure roller away from drive roll to stop wire feed. Down position movespressure roller to wire. Operate wire drive release lever and see pressure roller move.

b.Drive roll with two wire grooves. Narrow groove feeds .035 (0.9 mm) diameter wire. Wide groove feeds 3/64 inch (1.2 mm) diameter wire. Gun is shipped with wide groove or 3/64 in operating position (toward handle). Reverse roller for .035 inch (0.9 mm) diameter wire.

5. Gas nozzle directs gas flow around arc. Unthread gas nozzle to see contact tip and gas diffuser. Push-pull gun is shipped with 3/64th inch (1.2 mm) contact tip installed.

6. Cable assembly for power, control, and gas. Hold gun and become familiar with gun's weight and balance.

CONNECTING TO POWER SOURCE:

1.Power source must be “off” and power cord disconnected.

2.Connect Push-Pull Gun to wire feeder by inserting power plug to the machine

3.Connect 7-Pin control cable plug to power source receptacle.

4.Reconnect power and turn on machine.

7-PIN

PUSH-PULL

GUN

RECEPTACLE

7 PIN AMPHENOL

 

 

 

 

 

 

 

 

 

 

CONNECTOR

PRESSURE

 

GAS

CABLE

GUN

ROLLER

ASSEMBLY

(FAR SIDE)

BARREL

CONTACT NOZZLE

 

 

 

 

TIP

 

WIRE SPEED

 

 

GAS

 

 

 

 

CONTROL

 

 

LINCOLN POWER

DRIVE ROLL

 

 

DIFFUSOR

TRIGGER

PLUG

(NEAR SIDE)

 

 

 

 

 

HANDLE

4

Image 10
Contents Safety depends on you CougartmElectric Magnetic Fields Powered equipmentFor Engine May be dangerousFumes and Gases Electric Shock can kill ARC Rays can burnCan be dangerous For Electrically Cause fire or explosionIii LES Machines À Souder À Précautions DE Sûreté SafetyPrécautions DE Sûreté Pour Transformateur ET ÀThank You Table of Contents Cougar Push Pull Gun General Information Model Cougar Push-Pull Gun with Remote Wire Speed ControlSupplied with Safety Precautions Cougar Push Pull Gun InstallationUnpacking the Push-Pull Gun Connecting to Power Source Push-pull Gun FamiliarizationSetup Procedure Cougar Push Pull Gun Operating InstructionsDrive Roll Groove Selection COUGARPush Pull Gun Operating Instructions Procedure SettingsSetting Gas Flow Rate Making a WeldMaintenance Cougar Push Pull Gun ACCESSORIES/MAINTENANCEAccessories consult Lincoln Sales Bulletin E12.16 Cougar Push Pull Gun Troubleshooting Guide Problem Symptoms RemedyTesting the Trigger Switch Testing the TorchTesting the Potentiometer Motor CheckCougar Push Pull Gun Part DescriptionCougar LX Push Pull Gun S26374-14Precaucion Aviso DE Page LNC.0016