Wire Drive Assembly Removal - Lincoln Electric SP-100 Service Manual

F-13

WIRE DRIVE ASSEMBLY REMOVAL

PROCEDURE DESCRIPTION
The following procedure will aid in the removal of the
entire wire drive unit for possible motor or gear box
replacement.
TOOLS REQUIRED
5/16" nutdriver or socket wrench
1/4" nutdriver or socket wrench
Phillips head screwdriver
Needle nose pliers
Knife or side cutters
Screwdriver (slot head)
PROCEDURE
Refer to Figure F.5.
1A. FOR CODES ABOVE 10000
Cut heads off of two plastic fastener buttons locat-
ed on the front panel. (Order new fastener buttons
– Part No. T14659-3)
1B. FOR CODES BELOW 10000
Remove two flat head screws holding conductor
block to front panel.
2. Remove gas hose from Connector block.
3. Remove cable running from output terminal to
Connector block (1).
4. With 5116'' nutdriver, remove mounting screw at
rear of wire drive assembly.
5. With 5/16" nutdriver, remove screw holding the
front panel to the case bottom. Carefully move
front panel forward 1/2".
6. Carefully slide out wire drive unit until motor leads
are visible. Using needle nose pliers, remove
motor leads, taking note of lead positions.
7. Remove wire drive unit from machine.
MOTOR REMOVAL PROCEDURE
Refer to Figure F.6
1. Remove one Phillips head screw connecting front
to rear housing (1).
2. Using 1/4" nutdriver, remove two 8-32X1" thread
forming screws connecting front to rear housing
(2).
Refer to Figure F-7
SP-100
TROUBLESHOOTING & REPAIR
FIGURE F.5
Two plastic fastener buttons attach the Connector Block to the
Front Panel at these points. To remove the Connector Block, cut
the heads off of the two fastener buttons.
FIGURE F.6
FIGURE F.7
Note: Slight resistance as rear housing is separated from the front
is caused by the bearing, which will remain attached to the front
housing.
3. Remove motor with rear housing.
4. Remove two screws holding motor to rear hous-
ing.
5. Separate motor from rear housing.
1