Schaerer Coffee Arc C Handbuch

Schaerer Coﬀ ee Art C

Generic 24mo Preventative Maintenance

Standard Operating Procedures

Version RD20210723

Schaerer Coffee Art C - Generic 24mo Preventative Maintenance SOP

Table of Contents

Preventative Maintenance

Section Title

1. Contents of Receivables - Service Kit

2. Required Tools

3. Cleaning Procedure

4. Multi-Point Inspection

5. Part Replacements

6. Additional Adjustments

7. Calibration

7A. Calibration Overview

7B. Recipe Settings (By Blend)

7C. Touch Screen Calibration

7D. Reference Grinders

7E. Drink Time Calibration

7F. Pump Pressure and Drink Volume Check

7G. Air Valve Adjustment

8. Concluding Actions

Schaerer Coffee Art C - Generic 24mo Preventative Maintenance SOP

1. Contents of Receivables - Service Kit

Service Kit 1 Parts

Part Number Part Description Qty.

33.7007.3222 Red Automat UPPER Piston O-ring 1

33.7007.3223 Red Automat LOWER Piston O-ring 1

33.7006.2693 Black Automat O-ring 1

33.7006.3654 or

33.7006.5240 Overpressure Valve 12bar 1

Important Note:

• Please reference any additional memos provided in the PM work order email

from the SEB Professional PM team for any further parts and instructions re-

quired to complete this preventative maintenance.

• Please ensure any open service items previously dispatched by the SEB Pro-

fessional Dispatch team are covered during this PM and a separate work

order is  lled out.

• SP might receive FLUSH VALVE part number 33.7006.1029 or 33.7006.6246.

Service Kit 2 Parts

Part Number Part Description Qty.

33.7007.3300 Brewing Unit 30 Gram 1

33.7006.1029 or

33.7006.6246 Flush Valve 1

Schaerer Coffee Art C - Generic 24mo Preventative Maintenance SOP

2. Required Tools

1. Service Card

2. Gram Scale

3. Clamp Multimeter - for measuring AC Voltage and checking Current

4. USB Flashdrive pre-loaded with latest settings (8 gb or less)

5. Food Safe Lubricant (Part Number 33.7006.7339)

6. Basic Hand Tools

• Short Hex Screwdriver

• Long Hex Screwdriver

• Metric Nut Drivers Set 5-13mm

• Metric 1/4” Socket Set 5-13mm

• 3/16” Flat Blade Screwdriver

• 1/4” Flat Blade Screwdriver

• No. 1 Phillips Screw Driver

• No. 2 Phillips Screw Driver

• Combination Wrenches Metric 7mm - 17mm

• Adjustable Wrench 10”

7. Grinder Adjustment Knob

8. Measuring Cup (More than 40oz)

9. Cleaning Supplies

• Vacuum

• Automat brush

Schaerer Coffee Art C - Generic 24mo Preventative Maintenance SOP

3. Cleaning Procedure

1. Run a cleaning cycle with the cleaning tablet. Follow the

instructions on the screen.

• Clean the grounds bin, undercounter grounds bin, and

surrounding area.

• Clean the drip grill and drip tray

2. Remove the bean out of the hoppers. Remove and clean the empty

hoppers with a clean, moist cloth.

NOTE: It is advised to dispose of the beans (as the calibration

REQUIRE fresh beans), but this will be to the discretion of customer.

3. Once the cleaning cycle is complete, clean any remaining

components. Make sure the bean hoppers are completely dry

before re-inserting.

Schaerer Coffee Art C - Generic 24mo Preventative Maintenance SOP

4. Multi-point Inspection

1. Perform a water drainage of the boilers

CAUTION: Once the water drainage routine is started the machine will allow hot

water to be released from the hot water wand, coﬀ ee spout, and steam wand (if

applicable). Please exercise caution when activating the routine to prevent injury.

Perform a water drainage using the water drainage function in the programming

menus:

1. Insert Service Card and type your pin (1000)

2. Tap System - Test/Calibration - Water drainage

3. Conﬁ rm that you would like to perform the water drainage

A timer will appear on the screen and start counting down once the automat

moves into brewing position. Once this timer is below 2:00 minutes turn oﬀ the

water supply and allow the system to depressurize. Remove power from the

machine once there is no water ﬂ owing from the hot water wand (and steam

wand if applicable).

2. Once the water drainage is complete, turn oﬀ water supply and

power oﬀ the machine to begin checking the coﬀ ee boiler for

calcium.

• Remove the coﬀ ee boilet inlet and clean any additional calcium with

wire brushes.

Checking for calcium

CAUTION: Please be aware that the boiler and its components may still be hot.

Please exercise caution when handling any of these components.

Schaerer Coffee Art C - Generic 24mo Preventative Maintenance SOP

3. Remove all panels for the machine. Check for any leaks or broken

parts and brieﬂ y clean up any dirty areas.

• If additional issues or maintenance/ repairs are needed, please

contact Tech Support and ensure a separate work order is

created outside of this service.

Once power has been removed, proceed with disconnecting the center boiler nut

as shown in the following illustration.

Coﬀ ee Boiler

Once the boiler nut is disconnected, you will have the ability to insert your long

Schaerer screwdriver until it touches the metal at the bottom of the boiler.

• If you feel any crunching or debris inside which impedes the movement of

the screwdriver to the bottom of the boiler then you have calcium present.

• If you can insert the screwdriver and feel the metal at the bottom of the

boiler then your check inside the boiler is complete.

Please note: if you can insert the screwdriver to the bottom of the boiler and

don’t feel any calcium, this is not a guarantee that there is no calcium present.

4. Multi-point Inspection (cntd)

Schaerer Coffee Art C - Generic 24mo Preventative Maintenance SOP

Next, using a 14mm and 17mm open ended wrench, remove the overpressure

valve from the boiler outlet manifold and replace with the new overpressure valve.

Please see the illustration below for the location of the coﬀ ee overpressure valve.

Replace the overpressure valve - part number 3370063654 or 3370065240.

Coﬀ ee Art C

What to do if calcium is present (next steps)

If you ﬁ nd calcium inside the boiler(s), notify our Technical Support team

and request next steps

4. Check the drain and water supply hoses to ensure proper routing.

4. Multi-point Inspection (cntd)

Schaerer Coffee Art C - Generic 24mo Preventative Maintenance SOP

1. Replace the brew unit (automat) and thoroughly clean the automat

compartment.

5. Part Replacements

2. When ﬁ nished, place the panels and bean hoppers back onto the

machine and power on.

Schaerer Coffee Art C - Generic 24mo Preventative Maintenance SOP

5. Part Replacements (cntd)

2. Flush Valve Replacement

Note: ensure the water is oﬀ and the

boiler is still cooled down from the

water drainage.

1. Remove drain hose clamp and drain

hose from the drip tray

2. Remove screw and knurling nut from

both sides of the drip tray, remove

drip tray from machine.

3A. Remove the center plate

3B. Remove both screws used for mounting

the center plate (2.5mm allen screwdriver)

3C. Remove both screws that hold the right

cover plate (3mm allen screwdriver or

Long Schaerer screwdriver)

Disconnect the manometer tube and remove

the right cover plate from machine.

• Gently swivel the ﬂ ush

valve bracket back, toward

the pump and remove the

brass ﬁ tting(s) (circled with

orange) from the bottom

port of the valve.

• Disconnect the Teﬂ on

tube from the top and the

electrical wires from the

side.

• Remove the valve and

replace

3A 3B

Reassemble all components in reverse order

(See next page for instructions if the ﬂ ush valve received diﬀ ers than the ﬂ ush valve

inside the machine.)

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