3-6.
REPLACING THE SEAT MOTOR
The dental chair travels beyond the exit position. You have isolated the
malfunction to a faulty limit switch. You must remove and replace the seat motor. Refer
to figure 3-10.
a. Run the chair up to its full height.
b. Disconnect the external power source.
c. Disconnect the chair electrical cords from the lift.
Figure 3-10. Removal of seat motor.
MD0373
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