Lincoln Electric NA-5NF Welding System User Manual


 
F-84
TROUBLESHOOTING & REPAIR
F-84
MOTOR REPLACEMENT
PROCEDURE
1. Attach the adapter plate to the drive
motor using the slot head screwdriv-
er.
2. Carefully install the replacement
motor (with correct pinion) and
mount the adapter mounting plate
using the 1/4-20 bolts and slot head
screws previously removed.
3. Attach leads #67, #627, #626, #539
and #541 to their respective termi-
nals in the connector box.
4. Carefully position the connector box
and clamp to the drive motor and
using the 5/16' nutdriver secure in
position. Be sure NOT to "pinch"
any leads.
5. Using the phillips head screwdriver
mount the cover plate adaptor to the
drive motor.
6. Using the slot head screwdriver
attach the tach housing to the drive
motor.
7. Perform the
Tach Board
Replacement Procedure
.
8. Assemble the motor and tach cables
to the NA-5 control box.
WIRE DRIVE MOTOR REMOVAL AND REPLACEMENT (Continued)
NA-5
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