Nespresso Essenza D99 - Replacing the Thermoblock

23
Repair
Service Manual EF 347 / EF 348 enVersion 1.0
Replacing thermoblock
Tools:
- Torx screwdrivers Pin-TX10, TX20
- Open-ended spanner 9 mm AF
- Torque wrench
Procedure:
1. Follow general disassembly (see page 21).
2. Remove 3 screws (23) and separate ther-
moblock assembly from upper chassis (1).
3. Unplug NTC connector from electronic
control board (28).
4. Remove clips (D) and 2 hose connectors
(B + C) from thermoblock.
5. Remove ground wire and electrical
connections from thermoblock.
6. Replace thermoblock (40)
7. Mount a new NTC temperature sensor
(43) on the thermoblock (40).
8. Assemble in reverse sequence.
Use a torque wrench (80 - 100 Ncm)
to tighten NTC temperature sensor
(43) with spring lock washer (42).
40*
23
40*
40*
A
43
28
D
B
40*
1
* (complete thermoblock group)