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

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

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