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TROUBLESHOOTING AND REPAIR | ||
| FAN MOTOR ASSEMBLY REMOVAL AND REPLACEMENT (continued) |
|
FIGURE F.18 — FAN MOTOR ASSEMBLY REMOVAL.
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LEAD
#353
LEAD
#352FAN MOTOR
PROCEDURE
1.Disconnect main input power to the machine.
1.Remove the case side panels using a 3/8 in. nutdriver.
2.Disconnect the fan motor leads #352 and #352. See Figure F.18.
3.Remove the fan blade. Note the posi- tion of the fan on the shaft for reassem- bly.
a.Use a screwdriver to loosen the fan blade clamp.
b.Slide the fan blade off the motor shaft.
4.Remove the fan motor.
FAN
BLADE
FAN
BLADE
CLAMP
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.
5.Install the replacement motor in the reverse order of removal.
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 compo- nents in reverse order of removal.
