Operation – Tri Tool 404 & 424 Keymaster User Manual

Page 9

Model KEYMASTER

92-0767 : Rev. 990427

OPERATION

1. Select the right size end mill to cut the desired keyway into the shaft.

2. Configure the KEYMASTER

for the diameter shaft to be machined.

Mounting Configurations

3. Clamp the KEYMASTER

to the shaft, leaving enough travel to start on the outside of

the end of the shaft.

4. Make sure that the zero locator screw is in its hole and that the KEYMASTER

main

housing clamping screws are secure.

5. Connect the power supply to the motor.

6. Adjust the spindle to the correct depth of cut, and secure the spindle locking screw.

7. Turn the motor on and lock the trigger button.

8. Using the ratchet wrench, rotate the axial feed hex clockwise to advance the end mill

into the material.

9. A moderate feed pressure will ensure a better surface finish for a more precision

keyway.

1 1/2" to 4 1/2"

4 1/2" to 12"

12" to 24"