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Kees van der Westen Speedster, User And Maintenance Manual

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Kees van der Westen Speedster User And Maintenance Manual Download Page 54

INFORMATION 

 
Speedster 

 

page 53 

Contact information 

 

Kees van der Westen ~ Espressonistic Works B.V. 

Van Elderenlaan 6 
5581WJ WAALRE 
The Netherlands 

 

Telephone 

+31 40 2223433 

Email 

[email protected] 

Website 

www.keesvanderwesten.com 

 

Ordering replacement parts 

Check our website if the webshop is already up and running.  
If not: contact us via the information given above. 

Summary of Contents for Speedster

Page 1: ...USER and MAINTENANCE MANUAL February 2012...

Page 2: ...7 Recommended maintenance scheme 17 Replace group seal 18 Clean group dispersion plate 18 Regenerate water softener 19 Maintenance inside the Speedster 21 Remove body panels 21 Replace anti vacuum val...

Page 3: ...ion 46 Dimensions 46 Boiler capacity 46 Electricity 46 Weight 46 PID parameter settings 47 Steam hot water boiler temperature controller 49 Exchanging jets for different infusion 51 Parts included in...

Page 4: ...water spout 4 3 way brewing lever 5 3 way hot water toggle switch 6 Coffee boiler pressure gauge 7 Hot water valve 8 Hot water valve knob no operational function 9 Visible end of progressive pre infus...

Page 5: ...pump active gives the barista total control over the pre infusion phase by increasing the pre infusion time as desired The combination of these techniques guarantees that the delicate coffee flavours...

Page 6: ...oftener has sodium added and so it is wise to further treat your water with an activated carbon or a carbon block water filter These kinds of filters also remove other impurities that affect taste but...

Page 7: ...x8 inch Discharge hose with stainless steel clamp Tools needed Spanner 20 22 mm Spanner 18 19 mm Spanner 30 mm or adjustable spanner Teflon tape Screw driver Sharp knife Side cutter Bucket Connect wat...

Page 8: ...ump is marked with an arrow pointing down towards the pump housing see figure 3 Tighten with 20 mm spanner 6 Attach the second long high pressure hose to the outlet of the pump Beware The outlet of th...

Page 9: ...earlier made connections for leakage Tighten when needed but do not use excessive force In the meantime the front coffee boiler will fill with water Connect water discharge 1 Position the stainless st...

Page 10: ...witch on the machine to ON The main switch is mounted on the model tag on the front of the machine see figure 1 item 1 The machine will now fill both boilers when the front boiler is not already fille...

Page 11: ...to the coffee bed You can easily check the functioning of the progressive pre infusion as the guiding rod of the piston will protrude through an opening in the front panel of the machine just left of...

Page 12: ...th the cold tubing valve and wand Position the tip of the steam wand over the drip tray when purging the condensation Warning The steam valve is a spring loaded valve with the spring actually keeping...

Page 13: ...set value 0 4 Press the P key for more than 2 seconds The display will alternating show C111 and the currently set value 001 5 Press the P key several times shortly until OFFS is displayed alternatin...

Page 14: ...et value enters the coffee boiler heats up and thus expands While brewing espresso with the group valve open and the pump activated the pressure is supposed to increase up to 9 Bar factory setting The...

Page 15: ...a one way valve and the blind filter Therefore the coffee boiler pressure will not drop when the set screw is turned counter clockwise When pump pressure exceeds approximately 12 Bar the expansion va...

Page 16: ...ould thus be kept out of the solution Beware Never clean the filter holder in a dish washer as dish washer detergent will ruin it Steam wand Milk easily sticks to the hot surface of the steam wand and...

Page 17: ...ncluded in shipment Wide screw driver or back end of teaspoon Procedure 1 Remove the filter holder activate the pump lever in lower position and flush the group for approximately 5 seconds 2 Clean the...

Page 18: ...ilter holder Every 3 months Re generate water softener Check pump pressure Check and replace if necessary rubber group seal group screen filter basket filter holder clip Every 6 months Replace rubber...

Page 19: ...ush the group seal not all the way to the end of the group screen see figure 9b 4 Remove the filter basket from the filter holder Place group screen with rubber group seal on the filter holder and ins...

Page 20: ...in your shipment to capture the calcium carbonate before it reaches your machine We urge you to never use your Speedster without a properly functioning water softener Calcium carbonate is taken out of...

Page 21: ...wise into the 3 o clock position 12 Turn the upper valve counter clock wise into the 9 o clock position 13 Water will now slowly run through the water softener regulated by a restrictor in the spout o...

Page 22: ...d with the side panels still attached Removing only the upper body panel will result in scratching the side panels and possible bending of the upper body panel Warning Parts of the interior of the mac...

Page 23: ...e front of the machine Do not over tighten the Allen bolts 5 Re mount side panels Figure 11 To remove side panel loosen the 2 nuts with a 13 mm spanner Note the side panel shown in the picture is not...

Page 24: ...milar symptoms Materials needed Spanner 13 mm 16 mm 17 mm Allen key 3 mm Replacement anti vacuum valve Procedure 1 Turn Speedster off 2 Open the steam valve this will relieve the pressure in the hot w...

Page 25: ...alve pushes a plunger against the ball end of the wand A Teflon sealing ring will probably remain on the valve 3 Clean the threads on the valve do not damage the Teflon ring 4 When removed slide the n...

Page 26: ...First make sure that the decrease in flow is not due to a malfunction of the pump or expansion valve Clean jet in group head Materials needed Spanner 11 mm Allen key 3 mm Small screwdriver no 1 Figur...

Page 27: ...ing with a small screw driver do not damage the ring 11 Use a needle or pin to remove the filter screen from the jet housing 12 use a 3 mm Allen key to remove the jet from its housing Retain the jet h...

Page 28: ...Remount hose 6 Mount right side panel Replace safety valve Materials needed Spanner 13 mm 15 mm ring 18 mm Allen key 3 mm Replacement safety valve Loctite or Teflon tape Procedure 1 Turn main switch o...

Page 29: ...on as the brewing lever is moved to its middle pre infusion position group valve open no pump activated the pressure will drop immediately to incoming line pressure When the lever is moved to the lowe...

Page 30: ...valve is not too tight there is no need to retain the expansion valve such that the left side and upper body panels do not have to be removed 4 Turn outer nut loose from expansion valve with 16 mm spa...

Page 31: ...turning the set screw on the pump clockwise It is possible that the expansion valve starts to leak water in that case replace the sealing disk in the valve see below Beware The set screw is made from...

Page 32: ...isk There is no need to remove the expansion valve from the machine when replacing the disk 7 Clean threads on expansion valve and inside the outer part 8 Carefully remove sealing disk from plunger wi...

Page 33: ...steam valve 1 Turn machine off 2 Open steam valve until no more steam escapes the machine This is to release pressure from hot water steam boiler keep valve open 3 Remove steam wand twist off conical...

Page 34: ...e The rubber sealing rings are not removed from the valve shaft 1 Turn machine off 2 Open steam valve until no more steam escapes the machine This is to release pressure from hot water steam boiler ke...

Page 35: ...element cover has been removed Materials needed Spanner 13 mm 17 mm 19 mm Adjustable spanner Allen key 2 5 mm 3 mm Drain hose with fitting included in shipment Bucket Flat screwdriver no 2 Loctite or...

Page 36: ...enough space to handle a spanner as you normally would you have to use an unconventional approach 11 Put a 19 mm spanner perpendicular on the outer fitting of the probe With an adjustable spanner on...

Page 37: ...incorporated in your Speedster to guarantee a gradual pressure build up prior to extraction thus allowing for pre wetting and swelling of the coffee grounds At the start of the brewing cycle the cylin...

Page 38: ...t scratch the inner surface of the cylinder 11 Grease the groove in the piston replace the rubber O ring and put some grease on the O ring itself Put a little grease on the piston shaft 12 Re assemble...

Page 39: ...MAINTENANCE MANUAL Speedster page 38 Figure 25 Exploded view of progressive pre infusion cylinder piston spring rubber O ring retaining ring...

Page 40: ...as indicated Note that group valve is stainless steel 3 way flange valve older machines before serial number 148 have different 3 way group valves Procedure for flange valves 1 Close water mains 2 Rem...

Page 41: ...coil tube will separate it from the valve 12 Remount electrical plug note position of plug see figure 26 13 Open water mains 14 Switch machine on 15 Check for proper functioning 16 Remount upper body...

Page 42: ...ith the lever in the middle position pre infusion pump off the wheel on the upper switch should protrude halfway over the lever thickness at the point where it touches the lever see figure 28 Figure 2...

Page 43: ...up will lead to the need of replacing the affected boiler your Speedster should never be in a freezing environment unless all water is drained from it Cargo bays in ships and planes are normally not t...

Page 44: ...ee boiler drain valve with a 17 mm spanner see figure 30 15 Insert the fitting of the drain hose in the open end of the drain valve dangle the other end in the bucket 16 Open drain valve Hardly any wa...

Page 45: ...make sure that no water flows onto the electrical wiring parts in the machine 25 Tilt the Speedster by lifting the left side keep machine tilted 26 In order to drain the heat exchanger blow air into...

Page 46: ...MAINTENANCE MANUAL Speedster page 45 Maintenance Records Date Task Comments...

Page 47: ...litre Coffee boiler including group 2 1 litre Electricity3 Power consumption heating element steam boiler 1800 Watt Power consumption heating element coffee boiler 900 Watt Total power consumption pu...

Page 48: ...the different parameters pressing the up and down arrow keys and resp will change the value of the parameter on display at that time Pressing the P key will store the newly set value and simultaneous...

Page 49: ...lues to change when switching to degrees Celsius change value for SP last Note The PID will stop functioning when you enter a setpoint Sp above the upper security temperature level SPH and leave the p...

Page 50: ...t to change from degrees Celsius to degrees Fahrenheit or vice versa When parameter dF is shown in the display you enter a deeper level of the controller by pressing and holding the P key until the di...

Page 51: ...temperature level ALHI and leave the programming phase without changing the upper security temperature level For this reason when you change from Centigrade to Fahrenheit change the value for AL 2 af...

Page 52: ...hreads in the tubes connector Figure 32 Shows location of restrictor in tube from heat exchanger to coffee boiler When the two jets are swapped the infusion changes dramatically Once the group valve i...

Page 53: ...5 m 5 ft One high pressure water supply hose 0 5 m 20 in Brass connector for water supply to washing machine tap Discharge hose inner diameter 16 mm 0 64 in Stainless steel hose clamp for discharge h...

Page 54: ...Works B V Van Elderenlaan 6 5581WJ WAALRE The Netherlands Telephone 31 40 2223433 Email info keesvanderwesten com Website www keesvanderwesten com Ordering replacement parts Check our website if the...

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