Mittler Bros Machine & Tool 400-VSUADJ - Manual (Page 19)

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400 Single Speed to Variable Speed Conversion
#400-202
See kit contents on page 22
1. Unpack the boxes and be sure all the parts are included. See the list at the end of these
instructions.
2. Unplug the machine from any power source. Remove the switch box from the base plate by
removing the cover and unscrewing from the base plate.
3. Remove the Love Joy Cover by removing the two screws. Then loosen the set screws on each
half of the Love Joy coupling.
4. With someone holding up the end of the motor remove the four (4) bolts holding the motor /
gearbox assembly to the mounting plate. Remove the complete motor, gearbox, cord & switch
assembly from the machine. Save the mounting bolts to remount the motor / gearbox.
5. Remove the Love Joy coupling half from the spindle shaft if it did not slide off in step 4.
6. Drill and tap two (2) holes, 5/16”-18, in the motor mounting plate as shown below. The holes
should be drilled 1” deep and then counter sunk a small amount to allow for the bolt heads.
Remove
Screw
Mounting
Bolts. 2
on Each
Side
Remove
Cover
Unscrew
from Base
Plate
Remove
Screw
Love Joy
Cover
Set Screw
Set Screw