Repair
Checking for leaks and pump pressure (2)
Procedure (continued):
8.Switch on machine.
9.Press button "large cup" after
10.Open valve and leave water to run out for approx. 10 s.
11.Fully close valve. The pressure will rise rapidly initially and stabilise between 16 - 19 bar (check of pump pressure).
)The pressure will rise slowly due to the temperature increase.
If the pressure exceeds 23 bar, the machine has to be switched off and pressure released through the pressure valve.
12.Perform visual and acoustic checks on all pressurized connections.
The pump must not be in operation for longer than 50 s without water flow.
13.Switch off machine.
14.Open valve to empty pressure gauge.
Service Manual EF 473 / EF 474
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8 |
12 |
30 |
10 |
11 |
14 |
13 |
Version 1.0 en