Coffee Maker HD7751 - Expert-CM
Contents
1. 7 72. Service Service Service Philips Consumer Lifestyle PRODUCT INFORMATION Coffee Malcer HD7751 TECHNICAL INFORMATION Safety info Voltage 220 240 V This product meets the requirements regarding Frequency 50 60 Hz interference suppression on radio and TV Power consumption 1000 W After the product has been repaired it should function Standby power 0 5 W properly and has to meet the safety reguirements as Contents jug 1200 cc officially laid down at this moment Colour setting HD7740 Black Metal Filter size 1x4 Dimensions L x H x W 310x430x215 mm Temperature coffee after brewing 80 C SAP coding HD7751 Published by Philips Consumer Lifestyle 12 04 OPTIONAL accessories No specific issues Printed in the Netherlands Copyright reserved Subject to modification PHILIPS DISASSEMBLY AND RE ASSEMBLY ADVICE A Heating element removal 1 Turn the appliance upside down and remove the bottom from the base by unscrewing the 4 screws A under the rubber foot 2 Remove the heating element by unscrewing the 5 screws B 3 Remove the tubes from the heating element and disconnect the wires B PCB removal 1 Turn the appliance upside down and remove the bottom from the base by unscrewing the 4 screws A under the rubber foot 2 Remove the 2 screws C 3 Disconnect the wires KE White neutral wire Q Black Red wire Gri
3. Synchronous Motor Black Black Grinder Motor Control H1 Black PCB W2 Red Thermal Fuse H2 Black I Heater I Warm Plate a laci Black X4 White AF Thermostat H4 White 3 7 PARTS LIST changed Pos Service code Description 1 9965 100 49915 Heating element 220 240 V 2 4222 459 48901 PCB 220 240 V 8 4222 459 48941 Bean tray lid 4 9965 100 49914 Bean tray assy 5 4222 459 48931 Tank lid 6 4222 459 48871 Screw cap 7 4222 459 48961 Cleaning window 8 4222 459 48971 Sealing ring 9 4222 459 51781 Knob 10 4222 459 54591 Top cover 11 4222 459 48851 Grinder motor 220 240 V 12 9965 100 49916 Panel assy 220 240 V 13 4222 459 51761 Permanent filter 14 4222 459 48911 Filter holder dripstop 15 4222 459 48881 Hinge 17 4222 459 48921 Filter holder housing Eu 18 4222 459 54551 Jug assy Metal Black 19 4222 459 48951 Brush 20 4222 247 35400 Spoon 21 4222 459 53231 Hose incl checkvalve and spring 22 4222 459 53651 Locker assy 23 9965 100 54955 On Off switch 24 9965 100 54134 Synchro motor assy HD7751 4 7 HD7751 EXPLODED VIEW EXPLODED VIEW N 6 7 H Y i NI SENG HD7751 EXPLODED VIEW
4. nder motor Black Blue Wie wire wire C Grinder Motor removal Unscrew the bean tray by unscrewing the 3 screws D 2 Unscrew the 8 screws E on the top cover Be aware of the 2 screws under the tank lid They are protected by plastic caps and can be very hard to remove You can try blowing them out with a shot of compressed air otherwise you may have to use a drill to get them out New caps are available as 12nc 4222 459 48871 Pos 6 3 Remove the 7 screws F en 4 screws G from the grinder motor See picture with Pos 11 Grinder Motor 4 Disconnect the Black Red wire on the PCB See instructions B Unfortunately there is a ferrite bead around the leads preventing easy removal it may be necessary to cut out a small piece of the plastic bridge in the appliance to get it out HD7751 5 During installation of the grinder motor be aware of the position of the Knob compared with the position of gearwheel 4 On gearwheel 4 you will see an arrow and when this arrow points to the marked line the Indication on the knob has to point to number 5 This means the flat side of gearwheel 1 has to be on the side off the front panel Gearwheel 4 Remark How to set the motor grinder in a stronger or milder coffee position When in the maximum setting the coffee is not strong or mild enough the motor grinder can be changed in a stronger coffee position by turning the gearwheel 4 a couple of gear teeth t
5. o the left The motor grinder can be changed in a milder coffee position by turning the gearwheel 4 a couple of gear teeth to the right D Front panel removal 1 Remove the 2 screws H 2 Disconnect the wire flat cable on the PCB See instructions B Be aware to use the rails when refitting the front panel with the base and be aware to guide the wires along the motor correctly E Filter holder Housing removal 1 Turn the appliance upside down and remove the 2 screws I See picture pos 17 filter holder housing 2 Remove the axle and remove the filter holder housing 2 7 REPAIR INSTRUCTIONS De scaling If the water system is nearly or less clogged by scale then operate the coffeemaker a few times with vinegar or with a 10 15 solution of either vinegar acid citric acid or tartar acid into cold tap water Do not use other de scaling agents as these may harm the appliance If this procedure does not restore the function then switch off the coffeemaker when the acid has passed through during approximately 3 min Keep the appliance in this condition overnight and continue repeat the cleaning operation After the de scaling procedure operate the coffeemaker twice with tap water in order to rinse away any residual substances ELECTRICAL DIAGRAM 9 B Grey S4 Grey S3 Grey S1 Grey S2 Grey Open Switch Close Switch On Off Switch L Brown y Mains N o abe HD7751 Black
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