Philips HD7634/71 User manual

ServiceManual
Philips Domestic Appliances and Personal Care
Published by Philips Domestic Appliances and Personal Care Printed in the Netherlands © Copyright reserved Subject to modification
Coffee maker Essence II
HD7634/71
4322 277 00952
03/07
This product meets the requirements regard-
ing interference suppression on radio and TV.
After the product has been repaired, it should
function properly and has to meet the safety
requirements as officially laid down at this
moment.
SAP coding HD7634/71
PRODUCT INFORMATION
Voltage : 100 V, 120 V, 220 - 240 V
Frequency : 50 - 60 Hz
Power consumption : 1400 W
Coloursetting : Metal gloss / Ceramic white
Contents : 1200 cc
Colour code identification:
To determine which service manual is suitable for the
appliance that has to repaired please check the following.
Look at the type plate identification from the appliance on
the second row.
The first sledge number is the colour code for that
appliance. ( /99 )
(for example below the colour code is /01)
Example of a type plate:
TYPE HD7624
/01 /A
…
…
At the service manual heading, the type and colour code
are also mentioned for example HD7624/01
/01 is the colour code.
Descaling:
Regular de-scaling will prolong the life of your appliance and
will guarantee optimal brewing results.
Follow below steps to de-scale the appliance.
1. Fill the water tank with white vinegar.
2. Let the appliance complete two runs.
3. Let the appliance complete two more flushing cycles
with clean water to rinse away all vinegar.
If the above procedure does not restore the function, then
switch off the coffee maker when the acid passed through
during appr. 3 min.
Keep the appliance in this condition overnight and continue
the steps see above procedure.
Element
1400 W
Thermostat
Thermal
fuse
ASO switch
L
N

Repair instruction for replacing switch:
If the switch has to be replaced please follow the next steps:
• Remove bottom base plate.
• Pull the complete pump unit (including hose pieces) downwards until the hose
pieces are loosened from the two water tank pipes. (hose pieces and wires
must stay connected to the pump).
• Remove the complete top cover including the water tank. (see picture 1)
• Now it is possible to replace the switch.
• To replace the switch, first remove the switch cap from the switch by means
of a small screwdriver. (The cap has to be loosened at the inner side of the
housing by bending a little bit the plastic paw from the switch cap)
• Place the new switch en connect the wires, push the plastic switch cap back on the switch.
• Insert the complete top cover assy including plastic tank gently back into the housing.
• Take the pump unit and attach the hose pieces to the water tank pipes of the previously inserted tank.
(be sure that the hose pieces are well attached to the water tank pipes, otherwise leakage problems can occur)
• Assemble the base plate again.
Notes for replacing pump assy:
Ordering/replacing Low voltage Pump assy:
Because of standardisation of the range of spare parts Pumps position number 25.
The following has to be done before the ordered LV pump can be build in the appliance.
The white wire from the pump that is connected to the element and Thermostat can be removed.
When the wire is removed the new pump can be connected as the predecessor.
Safety warning connecting phase (L) brown wire to the pump:
Please be carefully and always lead the Phase (L) brown wire through the pipe, see position number 28 before connecting it to
the pump element!
Transportation lock:
To prevent damaging the dosing/weighting system in case the appliance has to
be shipped/transported, It is possible to order a special transportation lock.
For the position of the transportation lock see picture 2.
The code number transportation lock: 4222 247 59510
Commercial trade number thermos jug + juglid: HD7973/71
(Metal gloss / Ceramic white)
picture 1
4222 247 59510
picture 2
START
POSITION
1
END
POSITION
2
REMOVE THE
CAP IN THIS
DIRECTION
HOUSING
PA RT
SMALL
DETENT
PIECE A

1
2
3
4
5
10
9
6
7
8
12
11 14
13
Pos Description Service code
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Tank lid assy ceramic-white
Strenght select button
Spoutpipe
Tare-adjuster
Frame ADS printed
ADS spring
Spring support
Sealing ring tank
Permanent filter
Filterholder
Dripstop ring
Dripstop assy
Thermos juglid ceramic-white
Thermos jug + lid
4222 259 06730
4222 247 36500
4222 247 35580
4222 247 35620
4222 259 02330
4222 240 06350
4222 247 35660
4222 247 06880
4222 247 36680
4222 247 35700
4222 247 06630
4222 259 05070
4222 259 10080
8827 973 71010
HD7634/71

30
29
28
19
22
21
23
24
26
27
25
20
17
15
18
16
Pos Description Service code
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
ASO Switch 230 V
ASO Switch 100-120 V
ADS window metal
ASO switch cap ceramic-white
Cap ceramic-white
Foot-therm ceramic-white
Stud
Valve + hose piece assy
Hose piece
Hotplate impressed
Hotplate ring
Pump assy 230 V
Pump assy 100 V
Pump assy 120 V
Wire spring thin
Wirespring
Pipe
Baseplate ceramic-white
Foot, rubber
4222 246 16990
4222 246 16980
4222 259 09670
4222 247 37250
4222 247 37320
4222 247 37290
4222 247 06920
4222 247 20470
4222 247 06440
4222 259 06230
4222 247 50300
4222 259 13750
4222 259 13740
4222 259 13730
4222 245 71650
4222 245 71470
4222 247 36000
4222 259 06700
4213 247 05250