5-2. Changing Drive Rolls

! Turn off and disconnect input power.

1Drive Roll Cover Remove cover.

It may be necessary to remove drive roll side of gun case to change lower drive roll.

4

3

2

1

8

7

6

5

9

Changing Push Roll:

To remove push roll:

2Push Roll Screw

3Washer

4Push Roll

Remove screw and washer, and lift out drive roll.

To install drive roll:

Slide drive roll onto shaft and se- cure with washer and screw.

Changing Lower Drive Roll:

To remove drive roll:

5Lower Drive Roll Screw

6Washer

7Lower Drive Roll

8Drive Roll Key

9Drive Roll Shaft

Remove screw and washer, and lift out drive roll. Note: drive roll key will come out with drive roll.

To install drive roll:

Place drive roll key in slot in drive roll shaft.

Line slot in drive roll up with drive roll key, and slide drive roll onto shaft.

Secure drive roll with washer and screw.

Reinstall gun case, if applicable.

Tools Needed:

Reinstall drive roll cover.

801 893-A

OM-226 857 Page 17

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Hobart Welding Products 3545-20, 3035-20 manual Changing Drive Rolls, Changing Push Roll, Changing Lower Drive Roll