Miller 300741 Owner's Manual - Page 16

Browse online or download pdf Owner's Manual for Welding System Miller 300741. Miller 300741 32 pages. Mpa drive assembly

5-1. Installing Wire Guides And Drive Rolls

.
When changing wire size or type,
check drive roll and guide size (see
Table 8-1).
1
Spring Shaft Carrier
Close spring shaft carrier.
2
Drive Roll Nut
3
Drive Roll Carrier
Turn nuts one click to line up lobes with
lobes on drive roll carriers.
OM-247517 Page 12
SECTION 5 − INSTALLATION
1
3
2
4
Open spring shaft carrier.
4
Drive Roll
Remove drive rolls.
5
Wire Guide Securing Screw
Loosen wire guide screws.
6
Anti-Wear Guide
7
Inlet Wire Guide
Install inlet wire guide into anti-wear guide,
and secure with setscrew.
8
5
9
Install inlet guide so groove is centered with
screw, and secure guide screw.
8
Intermediate Wire Guide
Insert intermediate guide until flange is
against casting, and secure guide screw.
Install drive rolls, and turn nuts one click.
9
Drive Assembly Cover
Close cover.
6
7
Tools Needed:
3/16 in.
Ref. 249398-B