Lincoln Electric 11519 Service Manual page 102

F-56
FAN MOTOR ASSEMBLY REMOVAL AND REPLACEMENT (continued)
LEAD
#353
LEAD
#352
PROCEDURE
1. Disconnect main input power to the machine.
2. Remove the case side panels using a 3/8 in.
nutdriver.
3. Disconnect the fan motor leads #352 and #352.
See Figure F.18.
4. Remove the fan blade. Note the position of the
fan on the shaft for reassembly.
a. Use a screwdriver to loosen the fan blade
clamp.
b. Slide the fan blade off the motor shaft.
5. Remove the fan motor.
a. Loosen and remove the two nuts and lock
washers from the motor mounting bracket
using a 11/32 in. open end wrench.
b. When the motor is free from the mounting
bracket, slide the motor from the POWER
MIG unit.
TROUBLESHOOTING AND REPAIR
FIGURE F.18 — FAN MOTOR ASSEMBLY REMOVAL
FAN
MOTOR
Power MIG® 255XT
FAN
BLADE
CLAMP
6. Install the fan blade and tighten the fan blade
clamp. Ensure the fan is in the same position on
the shaft as it was prior to removal.
a. Spin the fan to be sure it is free to rotate.
7. Reassemble the remaining components in
reverse order of removal.
F-56
FAN
BLADE