Lathem 2121 - Manual (Page 14)

Model 2121 Time Recorder User’s Guide
Page 12
Change the Motor
1. Unplug the unit from the AC electrical outlet.
2. Remove cover as described in Unlock and Remove the Cover .
3. Remove type section as described in Changing the Type
Section .
4. Disconnect the wire leads by turning each screw one-quarter
turn counter-clockwise.
5. Remove the clutch from its shaft by turning it clockwise.
Note: The threads of the motor shaft are left handed.
6. Hold the motor bracket and loosen the mounting screws.
Remove and retain the screws and bracket from the old
motor.
7. Install the clutch on the new motor. Turn it
counter-clockwise to tighten.
Caution: Do not over-tighten or bend the clutch. You may
damage the internal motor gears.