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  5. User And Maintenance Manual

Kees Van Der Westen Speedster User And Maintenance Manual

Other manuals for Speedster: Installation And User Manual

Summary of Speedster

  • Page 1

    User and maintenance manual february 2012.

  • Page 2

    Contents speedster page 1 parts identification ................................................................................................. 3 welcome .............................................................................................................. 4 notice ............................

  • Page 3

    Contents speedster page 2 technical information ............................................................................................46 dimensions .......................................................................................................46 boiler capacity ...........................

  • Page 4

    Introduction speedster page 3 parts identification figure 1. Showing main operational parts of the speedster 1. Main switch 2. Pid with coffee boiler temperature display 3. Hot water spout 4. 3-way brewing lever 5. 3-way hot water toggle switch 6. Coffee boiler pressure gauge 7. Hot water valve 8. H...

  • Page 5

    Introduction speedster page 4 welcome thank you for ordering a speedster espresso machine from kees van der westen espressonistic works b.V. The speedster is a professional one group machine which is hand built and individually tested at our shop in waalre, the netherlands. Standard shipment include...

  • Page 6

    Introduction speedster page 5 water quality since water content in an espresso is more than 90%, the quality of your water supply is highly important for the taste of your coffee. While too much mineral content will hasten damaging lime scale build-up inside your speedster, an absence of minerals wi...

  • Page 7

    Installation speedster page 6 unpack tools needed phillips screw driver no. 2 procedure 1. Remove the lid of the crate. 2. Remove the side panels. 3. Lift the machine by its legs. Warning! The valves at both sides of the group are not designed to lift the machine. Lifting the machine by these may ca...

  • Page 8

    Installation speedster page 7 figure 2. Water softener on right is connected to the pump on the left. Water flow is according to arrows. Both handles on water softener are in “9 ‘o clock” position. Washing machine tap is right of figure, speedster will be to left of figure. 4. Attach the short high ...

  • Page 9

    Installation speedster page 8 first; this is from the resin in the water softener and is harmless. Flush until the water runs clear. 8. Close the washing machine tap and connect the loose end of the high pressure hose to the water connection on the bottom of the speedster with a 20 mm spanner. The s...

  • Page 10

    Installation speedster page 9 connect electrics beware! The speedster has a maximum power consumption of 3100 watts from your ac-outlet. This occurs when all three heating elements and the pump are active simultaneously. At 230 volts this is equivalent to approximately 13.5 amps. We therefore recomm...

  • Page 11

    User manual speedster page 10 using the machine brewing espresso the 3-way brewing lever on the right hand side of the machine (see figure 1, item 4) operates the group valve and the pump. The lever can be fixed in 2 slots and thus has three operating positions: 1. Lever in upper (resting) position:...

  • Page 12

    User manual speedster page 11 when the switch is pulled upwards no cold water is mixed with hot water from the steam boiler. In this position near-boiling water with some steam may leave the spout. The steam boiler will re-fill automatically, also activating the pump. A flow restrictor with an openi...

  • Page 13

    User manual speedster page 12 2. Press the key with arrow up (˄) to increase the temperature, press the key with arrow down (˅) to decrease the temperature. 3. When you have set the temperature as desired refrain from touching any key; after a few seconds the regulator will return to its normal oper...

  • Page 14

    User manual speedster page 13 4. Change the temperature by pressing one of the arrowed keys. The newly set value appears in the display. 5. Press the p key twice to enforce the newly set temperature. Figure 6. Showing steam boiler temperature regulator. Adjust pump pressure the right hand side press...

  • Page 15

    User manual speedster page 14 figure 7. Showing the set screw on the pump to change pump pressure. Notes do not set the pump pressure with a blind filter in the filter holder. When a blind filter is used water in the system is trapped between a one-way valve and the blind filter. Therefore, the coff...

  • Page 16

    User manual speedster page 15 cleaning the machine remove filter basket materials needed 1. Wide screw driver (or back end of teaspoon) procedure 1. Remove the filter holder. 2. Pry the filter basket (e.G. With a teaspoon) from the filter holder (see figure 8). 3. When remounting the filter basket, ...

  • Page 17

    User manual speedster page 16 body the outside of the machine can be cleaned with window cleaner in a hand spray flask in combination with a soft, often washed, cotton cloth. When the machine is turned “on” it will be warm and you have to work swiftly to prevent stripes: spray and immediately rub. L...

  • Page 18

    Maintenance manual speedster page 17 maintenance below is the recommended maintenance scheme followed by a description of how the individual maintenance items should be carried out. Up to one year, the maintenance is easy and does not require any technical knowledge. However, checking and replacing ...

  • Page 19

    Maintenance manual speedster page 18 replace group seal the group seal is made out of rubber and will harden in time. We advise to replace the group seal at least every 6 months or more often when needed. Materials needed wide flat screw driver (or back end of a fork or spoon) replacement rubber gro...

  • Page 20

    Maintenance manual speedster page 19 4. Clean all. Beware! Do not scrub the pom dispersion plate as it will scratch easily. 5. Re-install. Figure 10. Shows dispersion plate mounted with 2 screws (left) and dispersion plate removed from group (right). Regenerate water softener all tap water contains ...

  • Page 21

    Maintenance manual speedster page 20 materials needed pvc-hose (included in your shipment) bucket coarse grained regeneration salt (e.G. Broxomatic); 1,0 kg procedure 1. Shut down your speedster. 2. Turn the water softener such that the valves are facing you with both handles in the “9 ‘o clock” pos...

  • Page 22

    Maintenance manual speedster page 21 maintenance inside the speedster warning! To avoid hazardous situations it is of the utmost importance that repairs are only performed by the manufacturer or another professional when the power cord, pump cord or other electric parts of your speedster gets damage...

  • Page 23

    Maintenance manual speedster page 22 3. Lift back side of panel up then pull panel a little to the front. 4. When re-mounting, make sure that the upper body panel hooks onto the front of the machine. Do not over-tighten the allen bolts. 5. Re-mount side panels. Figure 11. To remove side panel loosen...

  • Page 24

    Maintenance manual speedster page 23 replace anti-vacuum valve the anti-vacuum valve could malfunction when the machine is turned off regularly. It is advised to replace the anti-vacuum valve every year. Some sputter and hiss inside the drain pipe at the back of the drip tray is normal when the mach...

  • Page 25

    Maintenance manual speedster page 24 grease wands and check play between nut and ball the ball shaped end of the steam and hot water wands is in direct contact with the conical nut and should therefore be lubricated. If not lubricated, the steel ball will erode the brass nut and eventually the wand ...

  • Page 26

    Maintenance manual speedster page 25 check jet in group on scale build-up even when you keep your water softener in excellent condition, a minor amount of scale will still be deposited on the inside of your speedster. Most ducts within the machine have such dimensions that a little scale will not in...

  • Page 27

    Maintenance manual speedster page 26 6. Switch machine “off”. 7. Unscrew the plastic cap from the group head. 8. Remove the 6 nuts on the rim of the group head with a 10 mm spanner. It is possible that the nut does not come loose from the tie-rod such that the tie- rod will be unscrewed from the gro...

  • Page 28

    Maintenance manual speedster page 27 safety valve on steam boiler when the safety valve on the steam/hot water boiler is malfunctioning it will open at a (much) lower than operating pressure (2.4-2.5 bar). When this occurs, the safety valve has to be replaced a malfunction of the safety valve is rec...

  • Page 29

    Maintenance manual speedster page 28 expansion valve on heat-exchanger system the coffee water heating system consists of a heat-exchanger inside the steam boiler and the coffee boiler with group. This entire system is filled with water only, no steam, no air. At the entrance of the coffee water sys...

  • Page 30

    Maintenance manual speedster page 29 when warm, the pressure needed for checking and adjustments can be supplied by the pump. Note the group valve has a rating of 15 bar. This means it will be pushed open when pressure exceeds 15 bar. The group valve thus acts as a second safety, should the expansio...

  • Page 31

    Maintenance manual speedster page 30 7. Re-mount drain hose to expansion valve. Wiggle the tube a little when fastening the nut, do not over-tighten the nut. 8. Re-mount upper body panel (if removed), then side panel(s). Procedure when machine is warm/hot extra material needed blind filter 1. (make ...

  • Page 32

    Maintenance manual speedster page 31 procedure 1. Close water mains to machine. 2. Put brewing lever in middle position to depressurise the coffee water system. 3. Turn machine “off” and brewing lever in upper position. 4. Remove left and right side panels first and then upper body panel. 5. Unscrew...

  • Page 33

    Maintenance manual speedster page 32 rebuild valves when properly maintained, the steam and hot water valves have a very long life-span. Since temperatures in these valves rise up to 135 °c (275 f), the (rubber, teflon and silicon) sealing parts inside wear out a bit quicker than in your house-hold ...

  • Page 34

    Maintenance manual speedster page 33 11. Re-assemble valve and remount on machine, note position of longer allen bolt. On the machine the longer allen bolt is the bottom one. 12. Remount valve knob and cap on valve shaft. Close valve. 13. Replace the 2 rubber rings on the plunger and silicon ring (u...

  • Page 35

    Maintenance manual speedster page 34 clean probes, level and safety two probes are mounted in the hot water/steam boiler. The lower probe checks the water safety level. Power to the heating elements in the speedster (both hot water/ steam boiler and coffee boiler) is disconnected when water level is...

  • Page 36

    Maintenance manual speedster page 35 7. Remove the electric multi-connector from the steam boiler temperature controller. 8. Remove the screw underneath the level control unit, dangle aside (do not pull the electrical wiring from the unit). 9. Remove the bracket under level control unit with allen k...

  • Page 37

    Maintenance manual speedster page 36 15. Connect the electrical connections to the probes: orange is safety level (lower), white is operating level (upper). Figure 23. Showing operating level (left) and safety level (right) probes. 16. Remount the bracket with temperature controller, plug in electri...

  • Page 38

    Maintenance manual speedster page 37 3. Remove the copper tube from the back-side of the pre-infusion cylinder with a 13 mm spanner. 4. Remove the tube leading to the coffee boiler pressure gauge from the boiler with a spanner 13 mm. Retain the fitting with a 14 mm spanner. Bend the copper tube a li...

  • 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

    Maintenance manual speedster page 39 replace all solenoid valves to be sure that the solenoid valves inside your speedster keep operating properly, it is advised that you replace them every 5 years. The electrical coil outside, and spring and rubber sealing inside, the valve are prone to wear and te...

  • Page 41

    Maintenance manual speedster page 40 8. Remove flat nut retaining coil to valve with spanner 14 mm, remove coil. 9. Remove 4 screws that hold flange valve to base with phillips screw driver no. 2. 10. Replace flange valve. When mounting, make sure that the new valve has both rubber seals and that yo...

  • Page 42

    Maintenance manual speedster page 41 adjust brewing lever when too much lateral force is exerted on it, the brewing lever may bend and thus not function properly. After straightening the lever, it is possible that you have to adjust the position of the lever mechanism for correct functioning of the ...

  • Page 43

    Maintenance manual speedster page 42 figure 29. Showing the brewing lever mechanism. Adjustment of the lever w.R.T. The switches can be made by loosening the lower 2 allen bolts underneath the frame. Notes the force required to press the lever down can be adjusted with the allen set screw (2.5 mm) o...

  • Page 44

    Maintenance manual speedster page 43 figure 30. Showing steam boiler drain valve on the left and coffee boiler drain valve on the right. Plugs (or caps) have already been removed. Element cover is also removed which is, however, not recommended for draining. 8. Insert the fitting of the drain hose i...

  • Page 45

    Maintenance manual speedster page 44 heat exchanger 23. Remove the allen bolt on the heat exchanger with allen key 5 mm (see figure 31). This bolt is sealed with loctite and my need some torque to loosen. Figure 31. Showing allen bolt to remove for draining heat exchanger. Some parts in the machine ...

  • Page 46

    Maintenance manual speedster page 45 maintenance records date task comments.

  • Page 47

    Technical manual speedster page 46 technical information dimensions width of body 47 cm 19 in width including steam pipe and hot water spout 50 cm 20 in height of body 31 cm 12 in height including valves 37 cm 15 in depth from front feet to back of body 53 cm 21 in total depth including drip tray 65...

  • Page 48

    Technical manual speedster page 47 pid-parameter settings the controller may be locked such that you can only change the operating temperature (sp, set at 93.0 °c) and/or a few other parameter values. Unlocking the controller is done by pressing p and ˅ simultaneously for about 5 seconds. The displa...

  • Page 49

    Technical manual speedster page 48 from °c to °f when changing a pid programmed in degrees centigrade to display in fahrenheit, you have to change the parameter values of setpoint (sp), lower and upper “safety” temperature (spl and sph resp.) and process display (c112). The complete list of paramete...

  • Page 50

    Technical manual speedster page 49 steam/hot water boiler temperature controller the controller can process 2 sensors, “al1” is not used in the speedster (value for °c and °f: 127.2), “al2” is connected to the sensor in the steam/hot water boiler. The factory set value of “al1” is 127.2 (both °c and...

  • Page 51

    Technical manual speedster page 50 table 4 lists the parameter values set for your speedster with display in degrees fahrenheit. Press alternating display parameter value p > 2s al 1 127.2 press alternating display p al 2 275.5 parameter value p df 0.1 or -> p > 2s c111 001 p return to: sp p c112 4 ...

  • Page 52

    Technical manual speedster page 51 exchanging jets for different infusion the speedster coffee water system contains 2 restrictors (or jets): one inside the group head (see figure 15), the other in the tube that leads from the heat exchanger to the coffee boiler (see figure 32). Standard, a jet with...

  • Page 53

    Information speedster page 52 parts included in standard shipment filter holder 2-cups, with teflon coating filter holder 1-cup, with teflon coating water pump with electric motor two high-pressure water supply hoses, each 1.5 m (5 ft) one high pressure water supply hose, 0.5 m (20 in) brass connect...

  • 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 info@keesvanderwesten.Com website www.Keesvanderwesten.Com ordering replacement parts check our website if the webshop is a...