Replacing consumables - WAV151

WAV151 User Guide
Document code
M210294EN
Revision
D
Language
English
Product
WAV151
Document type
User guide
Only a trained technician may replace the bearings.
1
Hex nut of the connector
2
M6 x 16 DIN7991 (3 pcs)
3
Lower body
4
Spacer (3 pcs)
5
Printed circuit board (PCB)
6
O-rings, 2 pcs
7
External retaining ring, body
8
Spacer
9
Internal retaining ring, shaft
10
Ball bearings
11
Vane assembly
12
Shaft and upper body assembly
13
Ball bearings
14
Code disc
  1. Open the vane assembly fixing screw with a 2-mm Allen key. The correct screw is the lower one in the previous figure. Remove the assembly.
    CAUTION Do not remove the fixing screw to ensure perfect sealing after reassembling. The fixing screw has been treated with sealant.
  2. Loosen the hex nut of the connector with a 27-mm tool.
    CAUTION Be careful not to bend the connector pins.
  3. Loosen the 3 pan head screws at the bottom of the sensor body with a 7-mm tool.
  4. Remove the lower body assembly by pulling it straight outwards.
  5. Loosen the spacer screws with a 7-mm tool and disconnect the heating element outlet.
  6. Remove the printed circuit board.
    CAUTION Do not twist or bend the connector. This may break the pins.
  7. Loosen the fixing screw of the code disc with a 2-mm Allen key and remove the disc.
  8. Remove the external retaining ring with narrow-pointed pliers.
  9. Remove the spacer ring.
  10. Remove the internal retaining ring at the bottom of the shaft with narrow-pointed pliers.
  11. Remove the lower bearing.
  12. Push out the shaft downwards through the upper body.
  13. Remove the top bearing.