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F-48
TROUBLESHOOTING AND REPAIR
F-48
POWER MIG 200
FAN BLADE/MOTOR REPLACEMENT (Continued)
PROCEDURE
1. Using a 3/8” nutdriver, remove the lower
right side of the case wraparound cover.
2. Perform the Output Capacitor Bank
Removal Procedure.
3. Using a 5/16” nutdriver, remove the four fan
mounting screws from the rear of the
machine. See Figure F.22.
4. Using an open end 11/32” wrench, remove
the two fan motor mounting nuts and lock-
washers. See Figure F.22.
5. Using a flathead screwdriver, loosen the fan
blade mounting band. See Figure F.22.
6. Pry the fan blade off of the mounting shaft.
NOTE: If fan blade cracks or breaks
upon removal, replace it.
7. Carefully manuver the fan motor and fan
blade out of the right side of the machine.
8. Replace the fan motor and fan blade if nec-
essary.
9. Tighten the fan blade mounting band.
10. Carefully manuver the fan assembly into its
original position.
11. Replace the two 11/32” fan motor mounting
nuts and lockwashers.
12. Replace the four 5/16” fan assembly mount-
ing screws in the rear of the machine.
NOTE: Make sure the fan blade is free to rotate
when all of the mounting bolts are
replaced.
13. Perform the Output Capacitor Bank
Replacement Procedure.
14. Replace the lower right case cover.
REAR
5/16" Bolts
FIGURE F.22. - FAN MOUNTING BOLTS
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Fan
Mounting
Band
11/32"
Mounting
Nuts
Fan
Blade
Fan
Motor
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