Observator OMC-160-3, Manual

Page: 17 / 25

OMC-160-3
Manual Page 17
Sensor PCB (6) removal
Identical for both speed and direction head:
1. Take the cable connector (13) out of the PCB connector of the sensor PCB.
2. Remove the 3 hex bolts (7), this will also release the ground wire (14).
Bearing removal
Identical for both speed and direction head unless otherwise specified:
1. First remove PCB (see Sensor PCB (6) removal)
2. Remove the 3 columns (4)
3. Loosen the sensor element hex screw (8)
4. Remove the sensor element (5)
5. Remove the bearing cover plate (3) (Speed head only if applicable)
6. Remove the large circlip (9)
7. Loosen the 2 screws of the bearing cover end plate (2) and remove the plate
8. Carefully tap out the bearing assembly from the outside in using a suitable driver (dia
18mm+/-0.5) and hammer or press.
9. Remove small circlip
10. Use a pulley or press to remove bearings from shaft.