Troubleshooting and repair, Repair procedure, Wire drive assembly and component replacement – Lincoln Electric LN-8 SVM132-A User Manual
Page 86
F-36
TROUBLESHOOTING AND REPAIR
F-36
REPAIR PROCEDURE
1. Using the 5/16 in. nutdriver,
remove the screws from the left
side cover assembly.
2. Disconnect drive motor leads #539
(blue) and #541 (black) from the
back of the Control PC board.
Refer to Figure F.11.
3. Disconnect drive motor leads #626
(red) and #627 (white) from the
side of the Relay PC board.
4. Using a Phillips screwdriver, dis-
connect the drive motor ground
lead (green) from the case.
5. Separate ground lead protection
wire #525 (yellow) at the in-line
connector.
6. Remove the insulating tape from
wire #528 (yellow) and disconnect
it from the reed switch wire and
gun receptacle wire (#528, and
both blue leads) using a 11/32 in.
wrench and a Phillips screwdriver.
See the wiring diagram.
LN-8
WIRE DRIVE ASSEMBLY AND COMPONENT REPLACEMENT
(continued)
FIGURE F.11 – DRIVE MOTOR ELECTRICAL CONNECTIONS
YELLOW
(#525)
BLACK
(#541)
BLUE
(#539)
WHITE
(#627)
RED
(#626)
GREEN
(GROUND)
YELLOW
(#528)
BLUE (TWO)
(#528)