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Siemens Surpresso - Bosch Benvenuto revise drain valve

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  1. Siemens Surpresso - Bosch Benvenuto revise drain valve, Siemens Surpresso - Bosch Benvenuto Brew Group Removal: step 1, image 1 of 3 Siemens Surpresso - Bosch Benvenuto revise drain valve, Siemens Surpresso - Bosch Benvenuto Brew Group Removal: step 1, image 2 of 3 Siemens Surpresso - Bosch Benvenuto revise drain valve, Siemens Surpresso - Bosch Benvenuto Brew Group Removal: step 1, image 3 of 3
    • Never forget: Pull the power plug!

    • Remove all attachments such as water reservoir, coffee compartment lid, trester drawer.

    • Remove all coffee beans from the bean hopper.

    • Open the side flap.

  2. Siemens Surpresso - Bosch Benvenuto revise drain valve: step 2, image 1 of 3 Siemens Surpresso - Bosch Benvenuto revise drain valve: step 2, image 2 of 3 Siemens Surpresso - Bosch Benvenuto revise drain valve: step 2, image 3 of 3
    • Loosen the three rubber caps on the brew group.

    • Using a strong flat-blade screwdriver, adjust the three plastic slots underneath so that the "unlocked" position is indicated.

    • Note: with the newer version of the brew group, only one lever needs to be flipped.

    • Pull out the brew group. If it is stuck, pull firmly and evenly, but with feeling, preferably at the bottom right.

  3. Siemens Surpresso - Bosch Benvenuto revise drain valve, Siemens Surpresso - Bosch Benvenuto back panel removal: step 3, image 1 of 2 Siemens Surpresso - Bosch Benvenuto revise drain valve, Siemens Surpresso - Bosch Benvenuto back panel removal: step 3, image 2 of 2
    • Remove the seven Torx T10 screws on the rear panel.

    • Do not remove the back panel completely yet, the power switch is still connected.

    • Lift the back panel away.

    • Remove the two flat plugs from the inside of the power switch.

  4. Siemens Surpresso - Bosch Benvenuto revise drain valve, Siemens Surpresso - Bosch Benvenuto top cover removal: step 4, image 1 of 3 Siemens Surpresso - Bosch Benvenuto revise drain valve, Siemens Surpresso - Bosch Benvenuto top cover removal: step 4, image 2 of 3 Siemens Surpresso - Bosch Benvenuto revise drain valve, Siemens Surpresso - Bosch Benvenuto top cover removal: step 4, image 3 of 3
    • The top cover is engaged with bayonets in several places. It must first be pushed back about 1 cm and then lifted away upwards.

    • Grasp the powder compartment cover firmly and pull it upwards out of its hinges. Otherwise it will be in the way of the top cover.

    • Pull the top cover back about 1 cm. If it sticks in front, you can help a little with plastic levers.

    • Lift the top cover away from the top.

  5. Siemens Surpresso - Bosch Benvenuto revise drain valve, Siemens Surpresso - Bosch Benvenuto remove left side panel: step 5, image 1 of 2 Siemens Surpresso - Bosch Benvenuto revise drain valve, Siemens Surpresso - Bosch Benvenuto remove left side panel: step 5, image 2 of 2
    • The side panel is attached to the front edge with three bayonets. It must therefore be lifted out upward.

    • Grasp the side panel firmly at the rear edge and pull it backward and upward at the same time. It should come off quite easily.

    • When reassembling, make sure that the bayonets on the front edge engage properly.

  6. Siemens Surpresso - Bosch Benvenuto revise drain valve, Siemens Surpresso - Bosch Benvenuto remove right side panel: step 6, image 1 of 1
    • The side panel is attached to the front edge with three bayonets. It must therefore be lifted out upward.

    • Grasp the side panel firmly at the rear edge and pull it backward and upward at the same time. It should come off quite easily.

    • When reassembling, make sure that the bayonets on the front edge engage properly.

  7. Siemens Surpresso - Bosch Benvenuto revise drain valve, Drain valve: step 7, image 1 of 2 Siemens Surpresso - Bosch Benvenuto revise drain valve, Drain valve: step 7, image 2 of 2
    • In order to access the drain valve, you must first loosen some cables, as well as the electronics box and the supply hose.

    • Remove the two Torx T10 screws at the top and bottom of the electronics box.

    • Pull the box out a little.

  8. Siemens Surpresso - Bosch Benvenuto revise drain valve: step 8, image 1 of 3 Siemens Surpresso - Bosch Benvenuto revise drain valve: step 8, image 2 of 3 Siemens Surpresso - Bosch Benvenuto revise drain valve: step 8, image 3 of 3
    • Two connectors are attached to the top. First press in the release on both connectors and pull the connectors out.

    • Press in the catches on the side of the two sockets and pull the sockets out of the electronics box.

    • No other cables need to be disconnected, lay the box on its side.

    • Insert translation here

  9. Siemens Surpresso - Bosch Benvenuto revise drain valve: step 9, image 1 of 1
    • Remove the Torx T20 screw of the green/yellow grounding cable on the flow heater.

    • Push the green/yellow grounding cable to the side.

    • Pull off the two flat connectors with the yellow cables on the microswitch of the gearbox.

  10. Siemens Surpresso - Bosch Benvenuto revise drain valve: step 10, image 1 of 3 Siemens Surpresso - Bosch Benvenuto revise drain valve: step 10, image 2 of 3 Siemens Surpresso - Bosch Benvenuto revise drain valve: step 10, image 3 of 3
    • Turn the machine around.

    • Remove the six Torx T10 screws that secure the gearbox to the metal partition.

    • Push the gearbox away from you by the black plastic pins and drive so that it comes off.

    • Reach into the machine from the front and find the triangular expansion tank. Turn it counterclockwise about 60° and pull it off downward

  11. Siemens Surpresso - Bosch Benvenuto revise drain valve: step 11, image 1 of 2 Siemens Surpresso - Bosch Benvenuto revise drain valve: step 11, image 2 of 2
    • Turn the machine around again.

    • Now you can pull out the gearbox as far as possible. It is a bit tricky and you have to be very careful. Turn it so that you can already see the drain valve.

    • The drain valve is still connected to the water hose. Pull out the clamp on the water hose with a small screwdriver. This is really tedious and of course when reassembling. But with patience it works.

    • Then pull out the pressure hose. At its end is an O-ring it gets stuck either on the end or in the connector. Replace it - if possible - during reassembly.

  12. Siemens Surpresso - Bosch Benvenuto revise drain valve: step 12, image 1 of 2 Siemens Surpresso - Bosch Benvenuto revise drain valve: step 12, image 2 of 2
    • Now the gearbox can be carefully lifted out and the drain valve becomes visible.

    • Lift out the white driver. Pay attention to the correct orientation when reassembling.

  13. Siemens Surpresso - Bosch Benvenuto revise drain valve: step 13, image 1 of 3 Siemens Surpresso - Bosch Benvenuto revise drain valve: step 13, image 2 of 3 Siemens Surpresso - Bosch Benvenuto revise drain valve: step 13, image 3 of 3
    • First lift away the spring at the bottom of the drain valve, you can use a small screwdriver for this.

    • Pull the light part of the valve down so that the four notches on the edge fit into the corresponding openings.

    • Lift the complete drainage valve upwards. You can use a small screwdriver to pry the upper gray part free.

  14. Siemens Surpresso - Bosch Benvenuto revise drain valve: step 14, image 1 of 3 Siemens Surpresso - Bosch Benvenuto revise drain valve: step 14, image 2 of 3 Siemens Surpresso - Bosch Benvenuto revise drain valve: step 14, image 3 of 3
    • The drain valve is free.

    • Note: this is the older version, but the newer one fits just as well.

    • The third picture shows the older version in disassembled condition. You can now replace the seals or the whole valve....

  15. Siemens Surpresso - Bosch Benvenuto revise drain valve, Drainage valve gaskets: step 15, image 1 of 1
    • There are different versions of this valve. The tappet can be different, the valve stem can only be a ball, one or two seals are used. However, all valves function in the same way.

    • Pull the cap of the grey upper valve body. Use pliers, if it is stuck.

    • There are two gaskets, the flat side pointing outwards.

    • Newer valves have only one gasket

    • Plunger and downholder

    • Piston and spring

    • Replace the gaskets and reassemble the valve.

Conclusion

Follow the steps in reverse order to reassemble your device

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