Preventive Maintenance

Bunn-O-Matic®Corporation recommends that preventive maintenance be performed at regular intervals. Maintenance should be performed by a qualified service technician. For Technical Service, contact Bunn-O-Matic®Corporation at 1-800-286-6070.

NOTE: Replacement parts or service caused by failure to perform required maintenance is not covered by warranty. Replace pump hoses every 6-Months or as needed.

REPLACING THE PUMP TUBING

The pumps and tubing used in the dispenser are designed to give maximum performance and long life. However, the tubes are a wear item and must be replaced periodically. How long the tubes last is dependent on usage and properties of the concentrate. Excessive wear will reduce the output of the pumps resulting in a weak mixed beverage. Bunn-O-Matic recommends replacing the Pump Tubing a minimum of once every 6 months or sooner if warranted.

Refer to the Tube Replacement Instruction on the Cabinet door for details.

1.Rinse the pump tubing with warm tap water (Refer to steps 1 - 5 of the Weekly Sanitizing instructions) prior to removing the tubes to avoid concentrate spills.

2.Loosen the thumbscrew securing the tubing retainer plate to the pump housing. Set it and the retainer plate aside.

3.Depress the tension screw and remove it from the notch in the pump housing, releasing the spring tension on the pump band.

4.Open the compression band and gently pull the pump tube from around the pump’s rotor.

5.Inspect the pump bands for signs of wear. Replace if necessary.

6.Apply lubricant (BUNN-O-MATIC part number M2531.0001) to the new pump tubing’s rotor side.

7.Insert the tube onto the mix chamber port, then wrap the new tubing around the pump rotor, making sure that the elbow and clamps end up on the bottom side of the pump housing.

8.Depress the tension screw and insert it in the notch in the pump body, reapplying spring tension on the pump band.

9.Replace the tubing retainer plate and tighten the thumbscrew.

10.Repeat steps 1 through 9 for the other pump.

Note: Replacement Tube/Adapter Kits can be purchased from BUNN-O-MATIC.

Thumbscrew

Tension

2.0”

Screw

Lubricate between arrows

Remove Retaining Plate Release Spring Tension

Remove Tubing

Lubricate New Tube

Tension Screw
Tube Clamp
Install New Tubing	Completed Installation

23	34766 031010

34766.0000S specifications

The Bunn 34766.0000S is a commercial-grade coffee maker that stands out for its efficiency and precision in brewing. Designed for high-volume environments such as restaurants, cafes, and offices, this coffee brewer is engineered to deliver a consistent and robust coffee flavor with every brew.

At the heart of the Bunn 34766.0000S is its unique brewing system, which employs a patented technology to optimize extraction. This system ensures that water is heated to the ideal temperature, usually around 200°F, for optimal flavor extraction from coffee grounds. The precise temperature control is essential in commercial settings, where the quality of coffee can significantly affect customer satisfaction.

The Bunn 34766.0000S features a stainless steel construction, which not only enhances its durability but also allows for easy cleaning and maintenance. The sleek design fits comfortably in any kitchen setting, and its compact size makes it suitable for countertops with limited space. With a 12-cup capacity, this machine is capable of producing multiple pots of coffee quickly, ensuring that demand is met during peak hours.

One of the standout features of the Bunn 34766.0000S is its Smart Brew technology. This innovative feature allows for customizable brewing settings, enabling users to adjust brew strength and flavor profiles according to their specific preferences. The machine includes a programmable timer, which can be set for automatic brewing, a significant advantage for businesses that require coffee to be ready at specific times.

Additionally, the Bunn 34766.0000S comes equipped with a built-in water tank, which keeps water at the optimal brewing temperature for instant coffee production. This feature minimizes waiting times and ensures that coffee is always fresh.

In terms of safety, the Bunn 34766.0000S is fitted with an advanced safety shut-off mechanism to prevent overheating and ensure that the machine operates within safe temperature limits. This reliability is crucial for busy establishments where operational efficiency is paramount.

In summary, the Bunn 34766.0000S is an exceptional choice for businesses looking for a dependable, high-quality coffee brewing solution. It combines innovative brewing technologies, user-friendly features, and a robust design to meet the demands of any commercial environment, making it an indispensable tool for serving delicious coffee consistently.