JDF S Preventive Maintenance
In order to maintain proper operation and long service life BUNN recommends performing the preventive mainte-
nance every 6 months. Individual customers will vary with some customers choosing not to receive preventive main-
tenance. Some of the PM items may require more frequent maintenance depending on the site conditions.
Tools Required:
Flat blade screwdriver
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8 inch crescent wrench (2)
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Needle Nose Pliers
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Velcro Tape
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Graduated measuring cup
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Refractometer
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Thermometer
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Flashlight
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5 gal. bucket
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Tube PM Kit BUNN PN: 39690.0000 (1 per dispense station)
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Kay-5 Sanitizer (50 Count BUNN P/N: 24634.0001) (200 Count BUNN P/N: 24634.0000)
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BUNN refillable container (BUNN P/N: 39302.0000)
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Condenser Cleaner
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Rubber gloves
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Safety goggles or face shield
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Fin Comb
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Mild non abrasive detergent and cloth
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Vacuum with soft brush attachment
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Prior to servicing the brewer:
Sanitize the dispenser before you begin the preventive maintenance process.
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Disconnect the water and electrical supply.
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Assess placement of dispenser to perform PM process.
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Check and make sure you have the necessary safety equipment of cleaning the condenser.
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Remove the lower splash panel.
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Remove the right side panel.
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PM Steps
Step1: Remove inlet valve connector fitting and clean inlet valve strainer.
Using your hand and unscrew the valve adapter fitting and set aside.
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Using the needle nose pliers gently grab the strainer tab and pull the strainer out of the valve.
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Clean and rinse strainer of any sediment or mineral build-up.
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Re-installation is the opposite of removal.
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Step 2: Replacement of lamp in lighted door assembly.
Using a flat blade screwdriver, remove the five screws securing the outer door cover to the inner door.
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Disconnect the door switch connector or connectors from the auxiliary switch CBA and set door cover aside.
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Gently grab the failed lamp and rotate half turn until lamp connection studs are aligned up with lamp socket
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opening and remove lamp.
Re-installation of new lamp is the opposite of removal.
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Step 3: Remove and clean the mesh air filter.
Using your hand, grab the mesh filter triangle handle and pull the air filter from the dispenser.
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Wash the air filter in warm soapy water and dry.
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Using a flashlight, shine the light through the condenser to check for dirt between the fins. Inspect condenser fins
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for straightness. Go to the next step of Cleaning the Condenser.
Inspect Velcro straps for adhesion to air filter and dispenser and be ready to replace after cleaning of the
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condenser.
Rev. 05/19/09
