Ring Motor (M1_3); Replacing The Ring Motor; Replacing The Pinion At The Ring Motor - Sirona ORTHOPHOS SL 2D Service Manual

9 Repair
9.3 Ring motor (M1_3)
Removing the covers
Removing the defective motor
Installing the new motor
Attaching the covers
Removing the covers
Removing the motor
342
9.3

Ring motor (M1_3)

9.3.1

Replacing the ring motor

➢ Remove the "arm cover" [ → 37].
1. Detach the motor cable from the cable harness and pull it off of
connector X813 on board DX1.
2. Loosen the four screws (A) on the ring motor and remove the motor
including the screws and the serrated washers (B).
1. Insert the new motor including coupling and absorber in the ring.
Tip: While inserting the motor, turn it back and forth slightly until the
pinion engages in the ring gear.
2. Use the screws (A) and serrated washers (B) to screw the new motor
onto the motor support ring.
3. Run the ring motor cable along its original path and plug it back into
connector X813 on board DX1.
IMPORTANT: Don't forget to reattach all cable ties and clamps.
➢ Reattach the covers.
9.3.2

Replacing the pinion at the ring motor

➢ Remove the "arm cover" [ → 37].
➢ Remove the ring motor as described in the chapter Replacing the ring
motor [ → 342].
Sirona Dental Systems GmbH
Service Manual ORTHOPHOS SL
64 95 258 D3632
D3632.076.01.03.02 09.2016