KRUPS - Le Cube NESPRESSO _ EF 472 COFFEE MACHINE_ REPLACING COMPACT BREWING UNIT AND THERMO BLOCK

OVERVIEW

1) Closing handle

2) Cup cover, foldable

3) Warming plate or tray (depends on model)

4) Compact Brewing Unit (CBU)

5) Capsule inlet

6) Flow meter

7) "Small cup" button, back lighted

8) "Large cup" button, back lighted

9) Coffee outlet

10) Capsule container

11) Light guide to the capsule container.

12) Cup tray, foldable

13) Drip tray

14) Thermoblock TB 2003

15) Mainboard with housing

16) Pump CP.04.098.0/ST/S/P

17) Water tank with valve, foldable

18) Connector (below the water tank)

19) Connector On/Off switch

20) Front cover

21) Support for compact brewing unit

22) Drip tray

WATER CIRCUIT

1) Water tank

2) Water tank valve and connector

3) Flow meter

4) Pump

5) Thermoblock

6) Compact Brewing Unit (CBU)

7) Coffee outlet

Replacing the compact brewing unit

• Remove the drip tray (59): press and loosen the two locking latches on the side (i) of the capsule bay.
• In addition to the compact brewing unit (58) also replace: the coffee tap (24) and the ‘O’ ring (46) on the thermo block hose connection.
• The spare compact brewing unit (58) is used in the EF 470 and EF 471 coffee machines, has therefore a longer axes protruding from the side.
• Check the axial and parallel alignment of the closing handle (56) to the housing of the compact brewing unit (58). Should there be any deviations, tighten the mounting screws of the closing handle or replace a bent closing handle.

Replacing the thermoblock, NTCtemperature sensor and fine wire fuse(s)

• When mounting the new thermoblock (5) align the positioning holes on the bottom to the damping element (8).
• Do not twist the NTCcable when plugging and unplugging the NTCtemperature sensor (6) : unplug the NTCplug from the main board.
• Tighten the new NTCtemperature sensor (6) and spring ring (7) with a torque wrench (90 110 Ncm).
• When mounting the safety clips (4) make sure that the housing of the fine wire fuse (900) is positioned exactly below the safety clips.
• To replace a defective fine wire fuse with in the corresponding wiring, the support (13) of the compact brewing unit must be removed from the floor (32).