Bunn JDF-4S service manual Cleaning & Preventive Maintenance, Daily Rinse Procedure

CLEANING & PREVENTIVE MAINTENANCE

Daily: Rinse Procedure

Tools required: 32 oz. (946 ml) minimum empty container

1.Open dispenser door. Lift up on product containers and remove them from the machine.

2.Close the door, place an empty container under the dispensing nozzle.

3.Dispense from each station until clear water flows from the dispense nozzle.

4.Open dispenser door and reconnect all product containers.

Daily: Parts Washing

1.Remove and wash the dispense nozzle(s), mixing element(s), drip tray and drip tray cover in a mild detergent solution. Rinse thoroughly.

2.Wipe splash panel, areas around dispense nozzle(s), and refrigerated compartment with a clean, damp cloth.

Sanitize Process for Semi-Automatic and Manual

Tools required: 1 empty 5 gallon (18.9 L) bucket, 2 packets of Kay 5 sanitizer, and clean, empty concentrate container.

1.Remove all concentrate from the dispenser and store in a separate refrigerated compartment.

2.Fill clean empty concentrate container(s) with approximately 32 oz. (946 ml) of hot tap water (approximately 140 Deg. F (60 Deg. C). Load the containers of hot water into the dispenser (just like concentrate).

3.Place an empty container under the dispense nozzles.

4.Press and hold the dispense button at each station until the stream out of the nozzles runs clear (about 30 seconds). Note: the dispenser will not allow all stations to run at the same time.

5.Once this is completed, remove the container(s) and empty.

6.Remove each dispense nozzle and mixing element and run under hot tap water to remove excess pulp.

7.Prepare 2.5 gal. (9.46 L) of sanitizing solution by dissolving 1 packet of Kay 5 sanitizer into 2.5 gal. (9.46 L) of 120 Deg F (48.9 Deg. C) water to ensure 100 ppm of available chlorine.

8.Place nozzle(s) and mixing element(s) in a separate 1-quart container of sanitizing solutions and mix thoroughly. Allow the parts to soak for 2 minutes.

9.Clean the dispense nozzle receptacle(s) (dispense valves) with the sanitizing solution and a soft bristle brush.

10.Clean the concentrate bottle’s inlet adapter(s) using the sanitizing solution and a soft bristle brush.

11.Replace the mixing element(s) and nozzle(s).

12.Fill approximately 128 ounces (3.8 L) of clean sanitizing solution into clean, empty concentrate container(s). Do not use the sanitizing solution used in step 10. Load the container(s) into the dispenser.

13.Place the empty 5 gallon bucket under the dispense nozzles.

For Semi-Automatic Sanitizing Prior to S/N JDF0016500:

14.a. For the JDF-2S, press and hold both dispense buttons for about 10 seconds to initiate the sanitize cycle.

b. For the JDF-4S, press and hold three left most dispense buttons (Stations 1, 2 and 3) for about 10 seconds to initiate

the sanitize cycle. The cycle will start with only one of the dispense stations dispensing. Note: The cycle will consist of a 1 minute dispense time (alternating) on each station, then 5 minutes of soak time, then a 2 minute dispense time (alternating) on each station.

For Semi-Automatic Sanitizing Effective S/N JDF0016500 and up:

14.Turn the Program Switch in the bottom of the machine to the "ON" position.

a.For the JDF-2S, press the left dispense button 2 times, then press the right dispense button 2 times.

b.For the JDF-4S, press the left most (station 1) dispense button 2 times, then the left center (station 2) button 2 times. The cycle will start with only one of the dispense stations dispensing. Note: The cycle will consist of a 1 minute

dispense time (alternating) on each station, then 5 minutes of soak time, then a 2 minute dispense time (alternating) on each station.

For Manual Sanitizing:

14.a. Dispense each station for 1 minute.

b.Allow to soak for 5 minutes.

c.Dispense each station for 2 minutes.

NOTE: On Portion Control models, use the plus/stop switches.

15.When the above cycle is complete, Remove the sanitizing solution and replace with concentrate.

16.At each station, press and hold the dispense switch until product appears. Then dispense one 12 ounce (354.9 ml) glass of finished product and discard.

17.Wipe internal and external surfaces with a clean, damp cloth.

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