Lincoln Electric IM810 manual Wire Threading Refer to Figure B.4

Pro-MIG 175

B-4 OPERATION B-4

Wire Threading Refer to Figure B.4

FIGURE B.4

1.	Release the Spring Loaded Pressure Arm (1)
	rotate the Idle Roll Arm (2) away from the Wire
	Feed Drive Roll (3). Ensure that the groove size in
	the feeding position on the drive roll matches the
	wire size being used. See Maintenance section for
	further information.
2.	Carefully detach the end of the wire from the
	spool. To prevent the spool from unwinding, main-
	tain tension on the wire until after step 5.
3.	Cut the bent portion of wire off and straighten the
	first 4” (100mm).
4.	Thread the wire through the ingoing guide tube
	(4), over the drive roll (3), and into the outgoing

1

2

4

5

3

The Wire Drive Feed Roll can accommodate two wire sizes by flipping the wire drive feed roll over.

guide tube (5).

5. Close the idle roll arm (2) and latch the spring

loaded pressure arm (1) in place. Rotate the spool

counterclockwise if required to take up extra slack

in the wire.

6. The idle roll pressure adjustment wing nut is facto-

ry set to approximately five full turns from where

the wing nut first engages the threads of the pres-

sure arm (1). If feeding problems occur because

the wire is flattened excessively, turn the pressure

adjustment counter-clockwise to reduce distortion

of the wire. Slightly less pressure may be required

when using 0.023 – 0.025" (0,6 mm) wire. If the

drive roll slips while feeding wire, the pressure

should be increased until the wire feeds properly.

7.Refer to Figure B.5. Remove gas nozzle and con- tact tip from end of gun.

WARNING

When inching the welding wire, the drive rolls, the gun connector block and the gun contact tip are electrically energized relative to work and ground and remain energized for several seconds after the gun trigger is released.

8.Turn the Pro-MIG 175 ON (“I”).

9.Straighten the gun cable assembly.

10.Depress the gun trigger switch and feed welding wire through the gun and cable. (Point gun away from yourself and others while feeding wire.) Release gun trigger after wire appears at end of gun.

FIGURE B.5

Gun Handle

Gas Diffuser/

Contact Tip

Gas Nozzle

11.Turn the Pro-MIG 175 OFF (“O”).

12.Replace contact tip and gas nozzle.

13.Refer to Figure B-6. Cut the wire off 3/8” – 1/2” (10

– 13 mm) from the end of the tip. The Pro-MIG 175 is now ready to weld.