P/N 104075, Rev. 0 Page 49
9. Press the gear into the spindle. Once you start pressing, do not stop until it
is completely inserted, or it may not fully enter.
5.3.6 KM3000/KM4000 replacing motor
Do the following to attach the motor:
1. Remove the adjusting knob from the motor by pressing in the lock on the
motor and turning the knob counter-clockwise.
2. Remove the idler gears.
3. Use Loctite 242 or equivalent on the four screws that hold the motor to the
gearbox. These may need to be heated up to break loose.
4. Install the motor to the new gearbox.
5. Use Loctite 242 or equivalent on the screws.
6. Install the idler gears.
7. Put a coat of grease over gears and in all crevices.
5.3.7 KM3000/KM4000 installing the vertical leadscrew and cover
Do the following to install the vertical leadscrew and cover:
1. Place the vertical adjusting lead screw into the gearbox.
2. Place the cover on the gearbox and screw down using seven 8-32 x 5/8"
screws.
Do not over-tighten the screws. This will damage the screws.
3. Push the dial knob onto the vertical lead screw, followed by the spring
washer, thrust washer and then the snap ring.
4. Place the adjusting knob on the motor.
5.3.8 KM3000/KM4000 electric power systems
After 100 hours of operation, inspect the brushes by doing the following:
1. Always replace brushes in sets.
2. Unscrew the retainer caps on the motor housing.
3. Pull out the retainer springs and brushes.
4. Replace brushes when they have worn down to 1/4" (6.4 mm).
5.3.9 Pneumatic power systems
Do the following to maintain the air motor:
• Route incoming air through a lubricator and filter.
• Use nonrestrictive air lines and fittings.
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