Nidek Medical CP-690, Руководство по обслуживанию

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5 - 6
5.3.2 Replacement of the mask sensor
Replacement part: Mask sensor (33155-EA05)
1. Remove the top cover ASSY. (See 5.1.)
2. Disconnect the connector from J4 on the BA01 board.
* Cut the tie wrap (T18R) which ties the cables of the mask sensor.
3. Remove the disk cover (M030). (See 5.1.)
4. Unscrew BS3 × 6
ZnC
(n=2) to remove the
mask sensor and sensor fitting plate
(M009).
5. Unscrew PC3 × 6 (n=2) from the sensor
fitting plate (M009) and replace the mask
sensor (EA05) with a new one.
* Check that the shading plate of the mask
disk does not interfere with the mask
sensor.
6. Assemble the removed parts (except for the top cover) in reverse order.
* Write down the connector number “P4” on the connector of the replaced mask sensor with
an oil-based ink (black).
* Tie the wiring with the tie wrap (T18R) in its original position. (See “7.2 How to carry out
the wiring”.)
7. After performing “6.2 Adjustment of the sensor voltage”, remount the top cover.
ＺｎＣ
ＢＳ３×６
センサー取付板
ＰＣ３×６
２
２
マスクセンサー
Sensor fitting plate
Mask sensor
PC3×6
2
BS3×6
ZnC
2