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Repair
Service Manual EF 473 / EF 474 enVersion 1.0
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.
)
Check for correct wiring of On/Off
switch.
28
40
50
49
48
47
23
23
23
24
1
1a
2
2a
Line
Neutral Neutral
Line
On/Off switch
to mains
to machine