Lincoln Electric LN-25 PRO DUAL POWER Service Manual page 80

F-30
REMOVAL AND REPLACEMENT PROCEDURE (continued)
WIRE DRIVE
PANEL SCREWS
PHILLIPS SCREW
GAS HOSE
BUS BAR
PANEL SCREWS
REMOVAL PROCEDURE
1. Remove the input power from the LN-25™ PRO
DUAL POWER unit.
2. Perform Case Cover And Control Box
Removal Procedure.
3. Remove the gun from the unit.
4. Loosen hose clamp on wire drive assembly and
disconnect gas hose. See Figure F.11.
5. Using a 3/4" wrench, disconnect bus bar from
drive deck. See Figure F.11.
6. Using a 5/16" nutdriver remove the four screws
from the wire drive panel. See Figure F.11.
7. Using a phillips screwdriver, remove the fifth
and final wire drive mounting panel screw. See
Figure F.11.
TROUBLESHOOTING AND REPAIR
WIRE DRIVE MOTOR AND GEAR BOX
FIGURE F.11 – BUSS BAR AND GAS HOSE REMOVAL
WIRE DRIVE
LN-25™ PRO DUAL POWER
PLASTIC DRIVE
GEAR COVER
CONTROL BOX
COVER SCREWS
8. Using a 5/16" nutdriver, remove the four screws
holding the control box cover. See Figure F.11
9. Using a 7/16" nutdriver, remove the plastic drive
gear cover. See Figure F.12.
10. Using a phillips screwdriver, remove the drive
gear mounting screw. Remove the drive gear.
See Figure F.12.
11. Remove the tach and motor leads by discon-
necting the P9 connector. See Wiring Diagram.
12. Using a phillips head screwdriver remove the
three screws holding the motor to the motor
panel and lift out the motor.
placement for reassembly.
13. Using a phillips head screwdriver remove the
four screws from the back of the motor panel
and remove the drive deck.
placement for reassembly.
F-30
CONTROL BOX
COVER SCREWS
Note washer
Note washer