00198761-01_SM_Head_Care_Station_II_EN.pdf - 第27页

4 Service work – HCSII Head Unit 4.4 Replacing the Base Adapter Twin / MHCU Service Manual SIPLACE Head Care Station II 11/2019 27 Fig.23: Base Adapter-Twin (upper side) Fig.24: Base Adapter-Twin (under side) 1 Cable …

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4 Service work – HCSII Head Unit
4.4 Replacing the Base Adapter Twin / MHCU
26 Service Manual SIPLACE Head Care Station II 11/2019
4.4 Replacing the Base Adapter Twin / MHCU
Parts
Fig.20: PCB Base Adapter-Twin
●
PCB Base Adapter Twin HCS2.3
[03158916‑xx]
Fig.21: MHCU complete compatible
●
MHCU complete compatible
[03090990‑xx]
Preparatory work...
► Turn off and disconnect the HCS II. See 3.1 "Turn off and disconnect the HCS II" [}19].
► Perform the steps described in section 3.3 "Access to the spare parts of the HCS II Head
Unit" [}20].
► Remove the contactors K3 and K4. See 3.5 "Remove the contactors K3 and K4" [}22].
Removal
► Open any cable ties where necessary. You may want to mark the positions of the relevant
connections to make clear assignment easier later on.
Fig.22: Removal
► Unplug the flat ribbon cable from the
Base Adapter-Twin(3).
► Unplug the round cable X91(4) from
the board adapter head interface(6)
(main PCB at the back side).
► Unplug the cables X30/X31(5) from the
board adapter head interface(6).
► Remove the three screws(2) fastening
the Base Adapter-Twin(1) on the
assembly bracket. Make sure that the
screws are not lost.
► Carefully remove the Base Adapter-
Twin(1).
4 Service work – HCSII Head Unit
4.4 Replacing the Base Adapter Twin / MHCU
Service Manual SIPLACE Head Care Station II 11/2019 27
Fig.23: Base Adapter-Twin (upper side)
Fig.24: Base Adapter-Twin (under side)
1 Cable X91 2 MHCU
3 Board Adapter LP Twin-HCSII
[03087844‑xx]
4 PCB Base Adapter Twin HCS2.3
[03158916‑xx]
5 Two cables X30/X31 [03151796‑xx] 6 Screws fastening the MHCU
► Remove the cables X30/X31(5).
► Remove the Board Adapter LP Twin-HCSII(3).
4.5 "Replacing the Board Adapter LP Twin" [}28].
Replacing/Converting the MHCUs
► Remove the screws(6) on the back of the board fastening the MHCU(2) and carefully pull the
MHCU off the base adapter.
CAUTION
Washers/Pins
► Make sure that you do not lose the washers.
► Make sure that you do not damage the pins under the MHCU.
Installation
► Follow the removal instructions in reverse order for installation.
► Replace any cable ties which you have removed.
4 Service work – HCSII Head Unit
4.5 Replacing the Board Adapter LP Twin
28 Service Manual SIPLACE Head Care Station II 11/2019
4.5 Replacing the Board Adapter LP Twin
Parts
Fig.25: Board Adapter-LP Twin-HCSII
●
Board Adapter-LP Twin-HCSII
[03087844‑xx]
Preparatory work...
► Turn off and disconnect the HCS II. See 3.1 "Turn off and disconnect the HCS II" [}19].
► Perform the steps described in section 3.3 "Access to the spare parts of the HCS II Head
Unit" [}20].
Removal
Fig.26: Removal
► Unplug the flat ribbon cables.
► Remove the four screws(1) fastening
the Board Adapter LP Twin on the
Base Adapter-Twin.
► Hold the screw nuts(2) from behind
(e.g. with tweezers).
► Make sure that the screws and screw
nuts are not lost.
Installation
► Follow the removal instructions in reverse order for installation.
► Replace any cable ties which you have removed.