SERVICE MANUAL - Expert-CM
Contents
1. Materman o Rev 00 OCTOBER 2009 Page 02 04 CHAPTER 3 BRIEF INSTRUCTIONS Rev 00 OCTOBER 2009 GAGGIA 03 BRIEF INSTRUCTIONS 3 1 Customer and programming menu Small coffee press twice no r for a double coffee coffee Aroma key press twice Pre ground coffee for a double coffee seector tor coffee hot water steam Machine at correct temperature for coffee bean dispensing Proceed with the dispensing process for hot water dispensing eady on Machine at correct temperature for ground coffee dispensing Proceed with the dispensing process pre ground Steady on Machine dispensing steam Proceed with steam dispensing Steady on Machine dispensing id Proceed with hot water dispensing Steady on Machine dispensing a coffee Wait for the dispensing process to end dispensing stops when you press the key again GISpensiltg Wait for the dispensing process to end two coffees dispensing stops when you press the Steady on key again The machine is being programmed with Stop dispensing as desired Steady on Machine in pre heating phase for coffee hot water and steam dispensing Wait until heated see bar Rev 00 OCTOBER 2009 Page 01 03 GAGGIA 03 BRIEF INSTRUCTIONS Indications Machine in rinsing phase wait for the machine to complete the procedure i Wait until end of procedu2. illumination malfunction illumination of positions of N PRESS THE ON OFF KEY TO ACCESS THE NEXT LEVEL UP Operational check pump If the control knob is set to hot water or steam and the key pressed SETTINGS water is dispensed from the steam Steady on wand Pump operation Return to the previous level set the the turbine brew group to its work position up monitors the return to this level set the control FUNCTION water flow and knob to coffee and press the the ty icon button water will be dispensed from begins to flash the dispensing spout PRESS THE ON OFF KEY TO ACCESS THE NEXT LEVEL UP Coffee grinder and boiler operational check Boiler SETTINGS Connect the machine closed on counter with ammeter and check its Steady on Steady on absorption level if using ammeter Boiler operation Coffee grinder ith needles open the machine Increase operation and connect the device to the boiler absorption The E icon heating element FUNCTION flashes to confirm sensor operation Rev 00 OCTOBER 2009 Page 02 02 CHAPTER 6 SERVICING AND MAINTENANCE Rev 00 OCTOBER 2009 GAGGIA 06 SERVICING AND MAINTENANCE 6 1 Repair schedule o O _4 Opening machine 5 Visual inspection J Q9 0000000000 6 Operational tests 8 Checking any modifications view info new sw etc o L 0 9 Service activities in accordance
3. 1000 02 iooi i Pad expulsion Rev 00 OCTOBER 2009 Page 06 06 CHAPTER 5 SERVICE MODE Rev 00 OCTOBER 2009 GAGGIA 05 SERVICE MODE 5 1 Testmode To enter Test Mode place the control knob in the water position 2 keep the espresso coffee key pressed 3 switch the appliance on from the 0 1 button located at the rear of it the icons scroll through in seguence 4 release the espresso coffee key we e check Leg SETTINGS na on Pa on PRESS THE ON OFF KEY TO ACCESS THE NEXT LEVEL UP Operational check microswitches and sensors PRESS Control knob in Control knob in Control knob in No water water pos coffee pos steam pos SETTINGS _ on RHS service door No dreg drawer unit PRESS open SETIINGS _ on E on Lcx on PRESS THE ON OFF KEY TO ACCESS THE NEXT LEVEL UP Rev 00 OCTOBER 2009 Page 01 02 GAGGIA 05 SERVICE MODE Brew group operational check Illumination of A N SETTINGS u When absorption is greater than 300 MA with the group inserted and 200 Group in work position up Group in standby position mA with the group not inserted when the limit is reached down when the limit is HCM i Illumination of ese reached illumination of When the group limit microswitches are FUNCTION In the event of a In the event of a not activated in both standby and work malfunction
4. 1972M Buisuadsip 19JEM LUP9 S ue Lu o oqn PUEM N gt ir lt 9 0S0FOOLL 6 8XG m vl OjeurnaJ euooi is oqn oqni opJo22ey euool is peoej ueur1 edid puem weas euigun O o MO J e ce CHAPTER 10 ELECTRICAL DIAGRAM Rev 00 OCTOBER 2009 DV 14 044N YOLOW M3ONISD SAVIVNIVW 240 LOW 83134M0 14 OYLAWISSN 14 YOSNAS AYVLOY YZONIAD 3H4V2 VNDVM IS TAdW SYOSNAS AV 18 OM3N 5 e Q 24 ne lt 2 DV 18 OH3N 33440 YOSNAS SYNLVYAdWAL J44V VYENLVYAdWAL 340SN3S Y3LVM YNOIV VdWOd 22 OZH SYHOLINSLNOD OTIJA 1 3HOSN3S gt gt RR z z 2 zzz ZZ zz zzz m m m m mm mm m mm V 14 044N SES 68 2858 888 GO 08 Est sp 8 PES gm Ea ia gt Am R mR AR LINN 349019043 OddNY9 JYOLOW 58 04501 4000 OSNIHI OddNYD 011318045 a M NX 44 0550 O9 u NI 5 gt gt gt gt gt gt gt gt gt O 3n18 n 18 a anie nig 43108 334409 J44V NMOHGS8 3NOHMHVHW AIUY OSSOY 17 1g n 18 31IHM OONVIG NMOMS 3NOMHMHVM 31IHM O2NVIE 3NOIZV LN3W IV OAV 3 1 2401 13NNO GAGGIA IV 18 08 IN ON 18 044N MOTI3A O TIVID M0T113A OTIVID 15
5. with the operating schedule 10 Internal cleaning 0 11 Operational test while the appliance is open o 00 0 0 42 Assembly __ 13 Final inspection test ___ 14 Draining the circuit in winter o 15 External cleaning __ 0000 46 Lubricating the brew group with suitable grease o gt Z Documentation __ OSO 18 Documentation 6 2 Service schedule S Replacement P Cleaning ES Visual inspection TR Noise test D Descaling R Adjustment Component Action Water filter PS 20 Watertanklipseal SS Boiler pin O ring 600040022020 Brew group Hoses attachments and Oetiker clamps ES J Pump ES TR _ Gearmotor LLL Coffee grinder Water circuit D JjSaeodesalr 2 2 Hot water steam valve ES S 00 2009 Page 01 02 GAGGIA 06 SERVICING AND MAINTENANCE 6 3 Final test Procedure Support Standard adjustment purposes SCOOD Coffee 2 3 Coffees for Measuring Same amount 15 adjustment purposes SCOOD Noise Standard The cream should come together again to form a D uU et Amount of Blow into the cup until cream the cream separates complete layer Temperature ading taken while Thermometer dispensing Check the grain size of 9 the ground coffee Hot water Steam Dreg drawer missing Remove the dreg drawer indication Missing Start brewing a cof
6. ASSEMBLY 7 11 Grinder adjustment assembly and disassembly 1 Io remove the upper grinder support using a hex key push down and turn clockwise to release the grinder support from the bayonet coupling 2 To remove the grinder blade from the upper support turn it anti clockwise until it detaches from the bayonet coupling 3 To remove the lower grinder blade keep the increment pin A locked in position and turn the grinder blade anti clockwise until it detaches from the bayonet coupling 4 When refitting the upper grinder support make sure you reposition it so that the mark is as illus trated in the photo Rev 00 OCTOBER 2009 Page 08 08 CHAPTER 8 NOTES Rev 00 OCTOBER 2009 GAGGIA 08 NOTES Rev 00 OCTOBER 2009 Page 01 01 CHAPTER 9 WATER CIRCUIT DIAGRAM Rev 00 OCTOBER 2009 LULU067 221 2166 OTXS QUODI IS OGNL eqni LODI IS 99LOLOIL EZZOJNOIS IP EJOAJEM jojes enboe UIEJP J9JeAA 092 LGGEOOLL 6 8 9 OJEUI 9J SUODIIIS oqn eqn 5 PEJEJ LSLIT 6 6666001 6 8XG OJEUN9J QUODI IS oqn v AL pe2ej uaur B MOOET eiepje S9 NN 13104 5 e Q 24 ne lt TA ly n WWOET 9 77 66 OTXS SUODIJIS OGNL eqni LODI IS 5 Oo WWOET 9 72 66 OTXS 5 QUODI IS oqn eqni UODI IS o enboe asoden euoizeboJ3 ue
7. GAGGIA Tradizione Continue Evoluzione GAGGIA SERVICE MANUAL Revision 00 All rights reserved This document and all the information herein is provided without liability deriving from any errors or omissions Furthermore no part may be reproduced used or collected except where express authorisation has been provided in writing or through a contractual agreement Rev 00 OCTOBER 2009 Table of contents 1 Introduction 1 1 Documentation reguired 1 2 Tools and eguipment reguired 1 3 Material 1 4 Safety warnings 1 5 Brera range 1 6 1 External machine parts 1 6 2 Internal machine parts Technical specifications Technical specifications Machine parameters and performance Brief instructions Customer and programming menu Operation cleaning and maintenance Operating logic Water circuit 1 Control ringnut and valve 2 Coffee cycle operating diagram 3 Single microswitch 4 Temperature sensor 4 Coffee grinder operation 5 Detection of low bean level dose adjustment 5 coffee grinder blockage Dose self learning 6 Rev 00 OCTOBER 2009 Table of contents Service mode Test mode Servicing amp Maintenance Repair schedule Service schedule Final test Disassembly Outer elements disassembly Dispensing spout disassembly Keypad card and valve card disassembly Power CPU card disassembly Gearmotor disassembly Boiler disassembly Valve disassembly Pump and turbine disassembl
8. O3133SNI 2 IONOJ OLL3SSV VZNASIAJ S c gt AV 14 04 3N m a Se S HILIMS NIVW duvod MOTISA OTIVID MOTT3A OTIVID E b Q3183SNI LINN M348 IVAN JINOY LIS lH f1H20 d3MOd 038 05508 Do 3401 LNBUSUNI NdIJ 43MOd VUJ HIS YOM NOLLISOd MIYA 21 amp 0550 0M 380170083 Oddnyo 2 m gt 0 o UJHHVADOUd 330 LVWNYYDOUd ONVOR dvi Boe S var i 2 4 1 VO3HDS I T WYSILSWL VO3HDS e s N33H85MOTT3A 3QH3AOTIVID ADV 18 ON3N O 040 8013NNO2 29 gt
9. Power supply and output 240 V 50 Hz 1400 W 230 V 50 60 Hz 1400 W 120 V 60 Hz 1500 W 100 V 50 60 Hz 1300 W Temperature monitoring Variable heating element sensor NTC transmits the value to the electronic card Safety system 2 manual reset or one shot thermostats 175 C Coffee heat exchanger output 230 120 V 1300 W 100 V 1100W Stainless steel for coffee hot water and steam dispensing ii with 2 rotation directions power supply 24VC Pump Ulka with reciprocating piston and 120 C cutout 48 W 230V 50 Hz Type EP5 approx 13 15 bar 120V 60Hz 100V 50 60 Hz Power consumption During the heating phase approx 5 6 A Dimensions Wx H x mm 256x315x410 Ll Coffee bean hopper capacity 200 gr coffee beans Heat exchanger capacity ______ 10 cc Water circuit filling time ______ 15 seconds for first filling cycle Heating time __________ _ 45 seconds Dispensing temperature _____ 84 4 Grinding time 8 10 seconds 2 2 Machine parameters and performance AMOUNT Minimum Default Maximum Programm Programm by OF PRODUCT amount amount amount by the user Production Service Puls Puls Puls department Espeso 70 165 600 Yes 02 24 Medumcofee No No No No _ No __ Longcoffe 70 440 600 Yes X No Pre ground Yes Continues until the water supply has b
10. a plastic gear wheel 3 which turns the lower grinder 4 and the increment pin 5 There are two magnets 6 in the gear wheel at every rotation these induce two pulses to a Hall sensor which in turn transmits them to the electronic system 4 7 Low bean level detection dose guantity adjustment coffee grinder blocked No coffee A low coffee bean level is detected by the Hall sensor after variations in the pulse frequency with or without coffee If there are no coffee beans operation while empty the number of rotations and therefore the number of pulses will be greater With beans n 100 t no coffee indication Without beans n 100 If however there are coffee beans the number of rota tions will be lower due to the force created by the grinding t2 no indication Without beans 50 3 and t4 this measurement is taken at the end of each grinding cycle Dose quantity adjustment The dose quantity is adjusted in accordance with the pulses detected number of rotations proportional to the beans n 50 weak medium strong aroma setting Coffee grinder blockage If the coffee grinder becomes blocked for any reason pulses will no longer be transmitted to the electronic system and the grinder will come to a stop Rev 00 OCTOBER 2009 Page 05 06 GAGGIA 04 OPERATING LOGIC 4 8 Dose self learning With an algorithm based on three pieces of information listed below detected by the machine
11. coffee grinder starts the grinding process controlled by pulses generated by a sensor The gearmotor brew group moves to the dispensing position Preliminary dispensing phase short pump activity short pause Product dispensing the pump operation period is defined by the amount of product dispensed The gearmotor moves to its home position the dregs are expelled automatically Rev 00 OCTOBER 2009 Page 03 06 men GAGGIA 04 OPERATING LOGIC 4 4 Single microswitc The gearmotor is powered by a direct current motor that engages with the smaller double toothed wheel using a worm screw The brewing unit is mounted on the axle of the large gear wheel and when a coffee is requested it moves from the standby position to the dispensing position and then back to the standby position again Standby position 1 Dispensing position 2 4 5 Temperature sensor adjustment Temperature sensor An NTC is used as a temperature sensor in the event of overheating this reduces boiler ele ment power consumption The electronic system detects the current boiler temperature from the drop in voltage of the sensor and adjusts it accordingly Heating element values see table 20 6 46 486 Rev 00 OCTOBER 2009 Page 04 06 GAGGIA 04 OPERATING LOGIC Ceramic coffee grinder The coffee grinder is driven by a direct current motor 1 using a Worm screw helicoidal wheel transmission 2 The worm screw 2 drives
12. computer the average dose is adjusted automatically SELF LEARNING 1 Number of coffee grinder pulses taking place during the grinding cycle 2 Max average value of the power consumed by the gearmotor during the cycle for coffee brewing 3 Aroma selected by the user The algorithm compares the maximum average value of the power consumed by the unit with the value listed in the table for the selected aroma in order to calculate the new grinding pulse value for the next coffee produced If the value of the current absorbed by the gearmotor is lower than the value of the minimum cur rent the grinding pulses will be increased by 2 If the value of the power consumed by the gearmotor is greater than the value of the maximum current the grinding pulses will be decreased by 4 If the pre ground aroma is selected by the user no modification will be made Min current mA Max current mA Aroma pulses 20 30 7 Mild 10 of the average value 301 450 V nominal 453 600 Strong 10 of the average value ____ 7 pregond If the gearmotor power consumption value falls within the overwork interval the grinding pulses will be decreased by 10 and the product will be dispensed If the gearmotor power consumption value falls within the expulsion interval the grinding pulses will be decreased by 10 and the pad will be dispensed Min current mA Max current mA Aroma pulses 800
13. e performed Rev 00 OCTOBER 2009 Page 01 04 GAGGIA LLEVA 01 INTRODUCTION 1 5 Brera range Medmedae Painted details X Water steam valve x X x Automatic rinse Automatic dosage Pannarello frother Dispensed coffee memory capacity OX Automatic shutdown after 60 inactivit Rev 00 OCTOBER 2009 Page 02 04 GAGGIA 2 CA 01 INTRODUCTION 1 6 1 External machine parts Coffee bean hopper Coffee bean hopper cover Grinder adjustment knob Cup stacking surface Pre ground coffee compartment Cup holder grill N mE Full drip tray indicator WSs gt 5 Service door 4 ss Brew group Coffee grounds drawer GL Lo C PT SE Wand protective gripper Hot water steam wand ON OFF power button nr Drip tray Water tank LED display Power cord Espresso coffee brew button STAND BY Button Aroma Pre ground coffee Long coffee brew button selector switch Hot water steam selector switch Page 03 04 Rev 00 OCTOBER 2009 GAGGIA LLEVA 01 INTRODUCTION 1 6 2 Internal machine parts Coffee grinder Side door microswitch Coffee grinder motor Card M PWR CPU Turbine Rev 00 OCTOBER 2009 Page 04 04 CHAPTER 2 TECHNICAL SPECIFICATIONS Rev 00 OCTOBER 2009 GAGGIA 02 TECHNICAL SPECIFICATIONS 2 1 Technical specifications
14. e the control knob cover and unscrew the screw as indicated 3 Lift and remove the dispenser as sembly slide out the fork shown and unscrew the screws holding the front plece 4 Unscrew the screws shown to remove the front piece support 5 Remove the spring washer and the control knob gear steam water Rev 00 OCTOBER 2009 Page 04 08 6 Unscrew the screws shown to remove the insert on the base of the casing GAGGIA 07 DISASSEMBLY 7 Unscrew the screws shown and disconnect the valve from the water connections 7 Unscrew the screws shown and disconnect the valve from the mesh hoses PUMP Remove the connection 1 disconnect the silicone hoses 2 Unscrew the safety valve and remove the pump from the two supports TURBINE Remove the connection and disconnect the silicone hoses Rev 00 OCTOBER 2009 Page 05 08 GAGGIA 07 DISASSEMBLY 7 9 Disassembling and fitting OETIKER clamps 1 Boiler connection 2 Other connections Replacing the hoses 1 Use a suitable pair of pliers to remove the clamp as illustrated 2 Tighten the clamp as illustrated Rev 00 OCTOBER 2009 Page 06 08 GAGGIA 07 DISASSEMBLY 7 10 Coffee grinder disassembly 1 To remove the coffee grinder simply slide it out and remove its connections 2 When replacing it make sure the spring A and the coffee pipe B are positioned correctly Rev 00 OCTOBER 2009 Page 07 08 GAGGIA 07 DIS
15. een exhausted capacitive sensor ur ndn Continues until the water supply has been exhausted capacitive sensor Rev 00 OCTOBER 2009 Page 01 04 GAGGIA 02 TECHNICAL SPECIFICATIONS RINSE When performed When the machine is When the machine is switched switched on and the boiler off electronically manually or temperature is lt 50 C automatically after 60 after having dispensed at least one coffee before switching off No of pulses ___ 28 O NC option Yes by Yes by ee any key User Userdisable option Production Service e option zaradene o 00 Production Service department Min Max DREG DRAWER Description and values Time out for dreg drawer Empty dreg drawer alarm after 8 lots of dregs double coffee is the last product dispensed 9 lots of dregs Warning to empty dreg drawer after Reset dreg counter Every time the dreg drawer is removed for at least 5 seconds even if the empty dregs alarm has not been activated POWER OFF Description and values Inlet time min max Inlet time default Inlet time prog by the user O O Inlet time prog by Production Service departments N Leeisnsr eS Water reserve pulses with 2020 Water reserve pulses with no water filter 20 Water reserve modifiable by Production Service departments No Nomy aam
16. fee indication while the coffee bean coffee beans hopper is empty er Q Dreg drawer missing indication Missing indication coffee beans Rev 00 OCTOBER 2009 Page 02 02 CHAPTER 7 DISASSEMBLY Rev 00 OCTOBER 2009 GAGGIA 7 1 Outer elements disassembly 1 Remove the dreg drawer water tank coffee bean hopper cover drip tray brew group steam wand cap and pannarello frother 2 Unscrew the screws shown and remove the finger protection device and coffee bean hopper 3 Lift and remove the top cover 4 Slide out the service door lifting it upwards 5 6 Unscrew the screws shown and slide out the rear cover side cover and coffee grinder sound insulating cover 7 Slide out the control knob cover un screw the screws shown and slide out the dispensing head cover 8 Unscrew the screws shown and slide out the dispensing head fixed support 9 Slide out the front panel support by lifting it 10 Remove the fork eu O7 DISASSEMBLY 7 3 Keypad card and valve card disassembly 1 Unscrew the screws shown 2 Release the stop device and the flat cable Slide out the front panel 3 Disconnect the connector shown and unscrew the CPU card support screws shown 7 Slide out the keys seal light guide and LED glass 8 Unscrew the screws shown 9 Slide out the top cover knob support assembly gear and card support 10 Relea
17. lve opening pressure 16 18 bar Boiler 1400 W Presblok valve select coffee hot water steam Rev 00 OCTOBER 2009 Page 01 06 GAGGIA 04 OPERATING LOGIC 4 2 Control ringnut and valve 2 Spring for mushroom valve ___ 3 Mushroom valve support 4 ____ Mushroom valve 5 SealingOR When dispensing coffee the mushroom valve opens at 4 bar 0 5 Manual opening when dispensing water Manual opening when dispensing steam 220 TOTAL STROKE COFFEE CLOSED 30 30 Valve opening stroke Valve closing stroke gt o s gt Extra stroke Extra stroke Rev 00 OCTOBER 2009 Page 02 06 GAGGIA 04 OPERATING LOGIC 4 3 Coffee cycle operating diagram switch ON ________ 1 Q Brew group 144 71 Notes Only with Prebrewing Single microswitch gearmotor Main START STOP I Switching on When the machine is switched on the gearmotor repositions itself as follows t acts on microswitch 1 see following section The gearmotor changes its rotation direction and moves upwards again by approx 1 2 mm The boiler begins to heat water for approx 45 seconds Tt absorbs all the available heating power in order to reach the optimal temperature The temperature will then remain at a con stant level Coffee cycle The
18. ounter is reset the icon Insert dreg drawer flashes ERRENTEN Rev 00 OCTOBER 2009 Page 02 03 GAGGIA 03 BRIEF INSTRUCTIONS 3 2 Operation cleaning and maintenance Operating the machine Fill water tank 2 Fill the coffee bean hop per Switch on the appliance Fill the circuit Place a container under the steam wand and turn the selector to the symbol and wait for the appliance to return to coffee ready status Press the coffee key Press once for one coffee twice for two coffees CLEANING AND TECHNICAL SERVICING Empty the dreg drawer When indicated or every three 3 months which ever occurs first E F H Descaling When indicated or every three 3 months which ever occurs first Descaling cycle frequency MET Weine to amete Lr eem curtem murem 120 litres 240 litres LI meum unnm gerer 90 litres 180 litres L eem pem pmi 60 litres 120 litres er qmm over 21 dH 30 litres 60 litres Rev 00 OCTOBER 2009 Page 03 03 CHAPTER 4 OPERATING LOGIC Rev 00 OCTOBER 2009 GAGGIA 04 OPERATING LOGIC 4 1 Water circuit HOT WATER STEAM LI RINGNUT OPERATION DISPENSING SP 29 gt lt 4 2 2 Na N NR Y BOILER COMPENSATION VALVE TURBINE Traditional water system Turbine Amount of coffee dispensed into the cup Reciprocating piston type pump 13 15 bar Compensation va
19. re Cyclic blinking The appliance requires a Perform the descaling cycle descaling cycle To enter the descaling cycle press the aroma pre ground coffee key for 5 sec Steady on No coffee beans inside hopper After filling the coffee bean hopper start the cycle again Steady on No water Fill the water tank Steady on Service door open Close it If the service door is opened while product is being dispensed the appliance stops dispensing and starts a 30 sec countdown before cancelling the dispensing process The countdown can be stopped by closing the service door and operation will resume from its stopping point Turn the hot water steam valve knob to the correct position If the knob is turned open while product is being dispensed the appliance stops dispensing and starts a 30 sec countdown before cancelling the dispensing process The countdown can be stopped by closing the knob and operation will resume from its stopping point No brew group If the brew group is removed while product is being dispensed the appliance stops dispensing and starts a 30 sec countdown before cancelling the dispensing process The countdown can be stopped by re inserting the brew group and closing the service door operation will resume from its stopping point Refill circuit Turn the knob to the cup gt Steady on To reset the dreg counter wait for the Empty the dreg drawer icon to flash 5 sec Steady on When the dreg c
20. se the card from the support LIENS 7 4 Power CPU card disassembly IL wx va T 1 Unscrew the screw shown and re move the card protection 2 Slide out the card removing all con nections 1 Unscrew the screws holding the boiler pin in place remove them and unscrew the other screws shown 2 The following are located inside the compart ment protected by the casing Brew drive A with gears B and C for trans mission and timing of the dispensing head Dreg drawer present microswitch D Dispensing head present microswitch E Microswitch F intercepting both the standby phase of the dispensing head and the dispensing phase Slide out the gear C that meshes with the brew drive Remove the large gear B Remove the brew drive A complete with trans mission shaft 3 Replace the gear B making sure that the im print of the arrow is aligned with the opening con taining the pin P 4 When replacing the brew drive and the transmis sion shaft make sure the bearings L are in the right position Grease the shaft thoroughly and evenly GAGGIA 07 DISASSEMBLY 7 6 Boiler disassembly 1 Remove the coffee grinder sound insulating cover 2 Remove the boiler insulation 3 Unscrew the screws shown 4 Unscrew the screw and remove the plastic support Disconnect the hoses and the connections 7 7 Valve disassembly 1 Remove the boiler pin 2 Remov
21. y OETIKER clamps assembly and disassembly 7 10 Coffee grinder disassembly 7 11 Grinder adjustment assembly and disassembly 8 Notes 9 Water circuit diagram 9 1 Water circuit diagram 10 Electrical diagram 10 1 Wiring diagram Rev 00 OCTOBER 2009 CON Ov UB AW CO GAGGIA CA 01 INTRODUCTION 1 1 Documentation required The following documentation is needed for repair procedures e Instruction booklet for specific model e Technical documentation for specific model diagrams exploded drawings 1 2 Tools and equipment required As well as the standard equipment the following is required Qty Description Notes Torx 10 Pliers for Oetiker clamps __ UUOJQgs CC A Vdc tester F Digital thermometer Scale limit gt 150 C SSC Saeco Service Center 1 3 Material Description 0 0 Thermal paste Heating element gt 200 C Saeco Entkalker Personal preference Safe to use with food 1 4 Safety warnings We recommend you consult the technical manual of the machine before performing any mainte nance work Observe all applicable standards relating to the repair of electrical appliances Always disconnect the power plug from the mains before beginning repair work Simply turning off the main machine power switch is not an adequate safety precaution This domestic appliance is rated as insulation class I On completion of the repair work insulation and dielectric rigidity tests must b
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