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OM-227 674 Page 10
3-3. Typical Equipment Location
ST-131 138-A
1 Welding Power Source
2 Gas Cylinder
3 Side Beam
4 Weld Control
5 Spool Support
6 Wire Drive Assembly
7 Automatic Welding Gun
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3-4. Installing Drive Rolls
804 187-A
1 Pressure Assembly Door
2 Drive Roll
3 Ejector Button
4 Drive Roll Carrier
Installation
Open pressure assembly door.
Align drive roll slots with three lobes
on drive roll carrier.
Insert drive roll onto carrier. Drive
roll will snap into place.
Removal
. Remove PD wire guide before
removing lower drive rolls.
Lift up drive roll swing arm and
press ejector button in middle of
drive roll carrier.
. If ejector button does not re-
turn to normal position (out),
install a drive roll and ejector
button will pop out.
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