Lincoln Electric COUGAR K2704-3 - Manual (Page 10)

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.
COUGAR™ Push Pull Gun - INSTALLATION
4
CONTACT
TIP
PRESSURE
ROLLER
(FAR SIDE)
GAS
NOZZLE
TRIGGER
WIRE SPEED
CONTROL
HANDLE
LINCOLN POWER
PLUG
GAS
DIFFUSOR
CABLE
ASSEMBLY
DRIVE ROLL
(NEAR SIDE)
GUN
BARREL
7 PIN AMPHENOL
CONNECTOR
7-PIN
PUSH-PULL
GUN
RECEPTACLE
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.