ACS 653, ACS 663 Service Manual
SP00D00624 2021-04-08 Robert Bosch GmbH
94
Plumbing and Mechanical
These instructions outline the steps to replace
the ush manifold. See Figure 4-6.
1. Clear service hoses and remove them.
2. Disconnect unit from the power source.
3. Remove the front plastic cover.
4. Open the service rear door.
5. Remove the rear cover (above the service
door) by pushing it up and extract it by
pulling it out.
6. Remove the two screws securing the ush
manifold to the unit.
7. Remove the ush manifold from the unit.
1. Install the ush manifold and secure with
two screws.
2. Insert the rear cover so that the 4 holes on
the sides the cover t into the 4 clips on the
machine. Push down to hook the rear cover.
3. Close the service rear door.
4. Reinstall the plastic frontal cover.
5. Attach the outside high- (red) and low-side
(blue) service hoses. Tighten at 7.9 Nm
torque.
6. Connect the unit to the power source,
perform a function test, and check for leaks.
High and Low Flush
Ports
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