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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

• 

8 inch crescent wrench (2)

• 

Needle Nose Pliers

• 

Velcro Tape

• 

Graduated measuring cup

• 

Refractometer

• 

Thermometer

• 

Flashlight

• 

5 gal. bucket

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Tube PM Kit BUNN PN: 39690.0000 (1 per dispense station)

• 

Kay-5 Sanitizer (50 Count BUNN P/N: 24634.0001) (200 Count BUNN P/N: 24634.0000)

• 

BUNN refillable container (BUNN P/N: 39302.0000)

• 

Condenser Cleaner

• 

Rubber gloves

• 

Safety goggles or face shield

• 

Fin Comb

• 

Mild non abrasive detergent and cloth

• 

Vacuum with soft brush attachment

• 

Prior to servicing the brewer:

Sanitize the dispenser before you begin the preventive maintenance process.

• 

Disconnect the water and electrical supply.

• 

Assess placement of dispenser to perform PM process.

• 

Check and make sure you have the necessary safety equipment of cleaning the condenser.

• 

Remove the lower splash panel.

• 

Remove the right side panel.

• 

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.

 

Using the needle nose pliers gently grab the strainer tab and pull the strainer out of the valve.

 

Clean and rinse strainer of any sediment or mineral build-up.

 

Re-installation is the opposite of removal.

 

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.

 

Disconnect the door switch connector or connectors from the auxiliary switch CBA and set door cover aside.

 

Gently grab the failed lamp and rotate half turn until lamp connection studs are aligned up with lamp socket     

 

 

opening and remove lamp.

Re-installation of new lamp is the opposite of removal.

 

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.

 

Wash the air filter in warm soapy water and dry.

 

Using a flashlight, shine the light through the condenser to check for dirt between the fins. Inspect condenser fins  

 

 

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         

 

 

condenser.

Rev. 05/19/09

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