Repair

Replacing flow meter and On/Off switch

Tools:

-Torx screwdriver T10

Procedure for flow meter:

1.Follow general disassembly (see page 16).

2.Remove screw (23) and detach holder (48) with flow meter (47).

3.Snap holder (48) from flow meter (47).

4.Unplug connector from flow meter (47).

5.Remove hoses from flow meter (47) and replace it.

6.Assemble in reverse sequence.

Procedure for On/Off switch:

1.Follow general disassembly (see page 16).

2.Remove screw (23) and detach support

(49)with On/Off switch (50).

3.Remove 2 screws (23) and strain relief

(24)of mains cable.

4.Press in lockings and slide support (49) backwards.

5.Unplug all connectors from On/Off switch

(50)and replace it.

6.Assemble in reverse sequence.

)Checkswitch.for correct wiring of On/Off

Service Manual EF 473 / EF 474

 

 

 

 

24

23

 

 

 

 

 

 

 

48

 

 

 

 

 

 

47

 

28

 

 

 

 

 

 

 

 

 

 

 

23

 

 

 

40

 

 

 

 

 

 

 

 

50

23

 

 

1

1a

 

 

 

Line

Line

to machine

 

to mains

 

 

 

Neutral

 

 

Neutral

 

 

2

2a

 

 

 

 

 

 

49

 

 

On/Off switch

 

 

 

 

 

 

 

 

 

19

 

 

 

Version 1.0 en

Page 19
Image 19
Nespresso EF 473, EF 474 Replacing flow meter and On/Off switch, Procedure for flow meter, Procedure for On/Off switch