B-4

OPERATION

 

 

B-4

FEEDING WIRE ELECTRODE

 

Aluminum wires

 

 

between 1 and 3

WARNING

 

Set the pressure arm as follows (See Figure B.2a):

 

Cored wires

 

 

between 3 and 4

When triggering, the electrode and

Steel, Stainless wires

between 4 and 6

drive mechanism are electrically “hot”

 

 

 

 

relative to work and ground and

 

 

 

 

remain “hot” several seconds after

 

 

 

 

the gun trigger is released.

 

 

 

 

 

------------------------------------------------------------------------

 

 

 

 

NOTE: Check that drive rolls, guide plates and gun

 

 

 

 

parts are proper for the wire size and type being used.

OU TER SHIELD

1 2

ALU M INU M

Refer to Table C.1 in Accessories section.

 

1. Turn the Readi-Reel or spool until the free end of

C OR ED W IR ES

 

 

SOLID W IR ES

M ETALSHIELD

5

 

STAINLE SS

the electrode is accessible.

 

INN ERS HIELD

 

6

STEEL

 

 

 

4

2. While securely holding the electrode, cut off the

WIRE DRIVE CONFIGURATION

electrode is not properly straightened, it may not

bent end and straighten the first six inches. (If the

(See Figure B.2b)

 

 

 

feed properly through the wire drive system).

 

 

 

3. Release the pressure on the idle roll by swinging

Changing the Gun Receiver Bushing

of the machine. Lift the cast idle roll assembly and

WARNING

the adjustable pressure arm down toward the back

 

 

 

 

allow it to sit in an upright position. Leave the outer

ELECTRIC SHOCK can kill.

 

wire guide plate installed. Manually feed the wire

• Turn the input power OFF at the weld-

through the incoming guide bushing and through

ing power source before installation or

the guide plates (over the drive roll groove). Push a

changing drive rolls and/or guides.

sufficient wire length to assure that the wire has fed

• Do not touch electrically live parts.

into the gun and cable assembly without restriction.

• When inching with the gun trigger, electrode

Reposition the adjustable pressure arm to its origi-

and drive mechanism are "hot" to work and

nal position to apply pressure to the wire.

 

ground and could remain energized several sec-

4. Press gun trigger to feed the electrode wire through

onds after the gun trigger is released.

• Only qualified personnel should perform mainte-

the gun.

 

nance work.

 

 

 

IDLE ROLL PRESSURE SETTING

 

Tools required:

 

 

 

WARNING

 

-----------------------------------------------------------------------

 

• 1/4" hex key wrench.

 

 

 

ELECTRIC SHOCK can kill.

 

Note: Some gun bushings do not require the use of

• Turn the input power OFF at the weld-

the thumb screw.

 

 

 

ing power source before installation or

1. Turn power off at the welding power source.

changing drive rolls and/or guides.

• Do not touch electrically live parts.

 

2. Remove the welding wire from the wire drive.

• When inching with the gun trigger, electrode

and drive mechanism are "hot" to work and

3. Remove the thumb screw from the wire drive.

ground and could remain energized several sec-

onds after the gun trigger is released.

 

4. Remove the welding gun from the wire drive.

• Only qualified personnel should perform mainte-

nance work.

 

 

 

 

 

------------------------------------------------------------------------

 

 

 

 

The pressure arm controls the amount of force the drive

 

 

 

 

rolls exert on the wire. Proper adjustment of both pres-

 

 

 

 

sure arm gives the best welding performance. For best

 

 

 

 

results, set both pressure arms to the same value.

 

 

 

 

POWER MIG 215

Page 16
Image 16
Lincoln Electric 215 manual Feeding Wire Electrode