Lincoln Electric IM10163 FLEX FEED 74 HT - Manual (Page 14)

A-7
INSTALLATION FLEX FEED™ 74 HT
5. Remove the sense lead with a Phillips screw driver.
6. If a gas hose is attached to the gun adapter, use pliers
to remove the hose clamp and remove the gas hose.
7. If the gun adapter requires guide tubes, install the
correct size guide tube and secure with the set screw.
Wire size Number of grooves in guide tube
.023-.045” ( 0.6 – 1.2mm) 1
.045 – 1/16” (1.2 – 1.6 mm) 2
1/16 – 5/64” (1.6 – 2.0 mm) 3
.068 – 7/64” (2.0 – 2.8 mm) 4
.120 ” (3.0 mm) No Guide Tube Required
SENSE
LEAD
SET SCREW
GUIDE TUBE
FIGURE A.6
FIGURE A.7