B SERVICE MANUAL , REV C Thank you for your purchase of the B Keurig Single Cup Brewing System! U U The B is the. the Cleaning Instructions in this guide. Turn off and unplug the brewer before cleaning or maintenance. Allow to cool before putting on or taking off parts. Download KEURIG B SM service manual & repair info for electronics experts.

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The brewer features four brew sizes and a unique, easy to use, user LCD interface. The B is engineered to provide many years of uninterrupted service to your customers. Manuall B is also a highly serviceable brewer.

It is built in a modular fashion which makes it easy to perform preventative maintenance and service should the need arise.

C We recommend that customers leave the brewer powered on at all times as it has built-in safety shutoffs, uses minimal energy, and offers the convenience of a fresh cup of coffee or tea at any time. This manual provides installation, service and troubleshooting assistance for your B brewer. Keurig also distributes service bulletins to provide you with helpful information and to keep you updated on improvements and service topics.

Keurig is committed to providing superior customer support. Brewer External Components 3. Menu Mode Below Serial Number 8. Menu Mode Above Serial Number 9.

Draining the Brewer Hot Water Tank d. Cold Water Tank e. Cold Water Pump f. Bin Full Sensor Harness part of wire harness module i. Removal of Back and Side Panels b.

Puncture Mechanism Module d. Hot Water Valve Assembly e.

Hot Water Tank Module f. Cold Water Tank Module g. Cold Water Pump Module h. Control Panel Module i. Front Door Module j. Main PCB Module k. Product Warranty Information 69 V.

Certifications and Specifications 71 VI. Coin Changer Accessory 3. Coffee beans or ground coffee cannot be processed in this brewer.

It can be configured with a coin vend control unit keuriy a platform cabinet for additional K-Cup disposal capacity. It consists of a dual water tank capacity system which allows for fast sequential brewing. The brewing temperatures, water volumes and brewing times are tightly controlled. The water temperature can be set between to degrees F. The default setting is degrees F.

The Keurig K-Cup portion pack is punctured automatically on the top and bottom when loaded and the brew process is started through the Keeurig Module interface. In the brewing process, pressurized hot water is processed through the K-Cup, brewing the coffee and then dispensing it. This brewing system requires a water supply that is either plumbed or pumped from a bottle in order to operate. There is no pour over filling capability. For coin vend operation, the optional coin changer accessory kit Part Number is available for use in the United States and Canada.

The Coinco unit is not provided with the coin changer accessory. The functions of these components are listed below. Water filling — Keurigg B is a direct plumbed machine. Municipal water is introduced to the unit through the inlet valve [X]. The supply water is then led to the cold water tank [BB] via the rigid plastic tube connected to the float mahual [Y].

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The cold water tank is allowed to bb3000 approximately 16 ounces, milliliters and then the valve [X] is de-energized closed by the CWT float magnet proximity switch [Z] which controls the fill level.

The proximity switch located outside the tank contains magnetically activated reed switch which is controlled by a float magnet located inside the tank that monitors the water level. The Cold water Tank — The cold water tank [BB] functions primarily as housing for the secondary overfill protection device which is the float valve [Y] and provides the air gap necessary for back flow protection.

The cold water tank also functions as the water supply reservoir for the brewing system. The water supply in the tank is fed through two check valve [M] and tubing to the two cold water pumps CWP [W] that supply water to the hot water tanks via the CWP elbow, CWP connectors, silicone tubing, multi-connector tee, and silicone tube.

The Hot Water Tanks — The water flows through the bottom tank and into the top tank via a seal assembly which includes two o-rings, a seal washer between the o-ringsand the sealing cover. To allow the hot water tanks to fill, the vent valve [J] is energized opened to allow air to leave the system as the tanks are filled manyal water.

Water delivered to the hot water tanks [TP] and [TB] is heated by the heating elements located inside the tanks. The only one heater at a time is allowed to energize and the heater in the top tank brew tank has priority. The water temperature is controlled by the thermistors [V] located in each tank. To control volume stainless steel conductive probes are used to sense the brew volumes of 4, 6, 8, and 10 ounces,and milliliters.

Keuriv order to brew the system is closed, vent valve [J] de-energized closed to allow pressurization. The Puncture Mechanism — the mechanism [DD] consists of the K-cup holding and puncturing apparatus, a hot water delivery and brewed coffee path, and the hot water dispense valve [OO]. To brew coffee one lifts the handle to present the K-cup holder [AA].

Service manual | Keurig B3000 Coffeemaker User Manual

A K-cup is placed in the holder and the handle is returned to the closed position. Upon closing the mechanism, the K-cup is punctured on the top first by the entrance needle 169664 and then the bottom by the exit needle [P]. The holes created in the K-cup by the two needles are sealed about the needles by gaskets. To brew, the system is closed, vent valve [J] de-energized and the brew pump [G] is energized. The brew pump pressurizes the system to approximately 4 psi The air is delivered to the top of the brew tank via a silicone tube by way of the filter tee [H].

Keurig B3000 Use & Care Manual

The water in the brew tank is forced out of the tank through the integral brew tube [L] in the upper hot water tank cover. The water flows out of the top cover through a silicone tube to the entrance elbow which contains a check valve [M].

The water flows next trough the entrance needle, contacts the coffee grounds in the K-cup, and brewed coffee is delivered through the exit needle to the cup located on the drip tray. Dispensing Hot Water – To deliver hot water only, the system is closed, manaul valve [J] is deenergized, and the hot water dispense valve [OO] is opened. Through a combination of the force of gravity and a pressure boost from the brew pump, water now flows from the lower hot water tank cover thru a silicone tube, the hot water dispense valve [OO], a silicone o-ring, seal cover, and the hot water trough.


The water does not take the same path as in the coffee brewing process because 3b000 boost in pressure form the brew pump [G] is lower than the cracking pressure of the brew path check valve [M]. The K-Cup is fitted with keurgi paper filter that is heat sealed to the inside upper edge of the plastic cup. Depending on the individual blend, up to approximately 9 to 14 grams of premium freshly ground coffee is added.

The K-Cup is nitrogen purged to remove oxygen and heat sealed with a three ply foil lid to lock in freshness for at least 6 months. During the brewing process water is introduced into the K-Cup under pressure via the entrance needle, located in the Puncture Mechanism Module.

The hot water extracts the coffee and passes it through the filter paper. The exit needle, located on the outer edge of the K-Cup holder, allows the brewed coffee to be dispensed into a cup or mug.

Appliance Safety When using electrical appliances, basic safety precautions must always be followed. Read all instructions before using this brewer. Failure to comply with the instructions risks equipment damage, fire or severe bodily injury. This is a safety feature. Do not defeat the safety purpose of the polarized plug. Keep keuriig plastic bags away from children.


Place Brewer box on its side on a large steady surface such as a table, countertop, or on the floor. Open the box from the end that says UP. Reach into the box and grasp the poly foam packing that protects the Brewer. Carefully pull the poly foam toward you and out of the box. Remove the poly foam packaging material surroundings the brewer. Place the brewer upright on a flat, steady surface. Remove the plastic bag. It is recommended that you save all packing materials and shipping carton in the event that the brewer must be shipped or stored.

Two mounting holes with screws have been provided on the back of the brewer for this purpose. Keurig recommends the Omnipure KQ8A filter. A filter kit part number is available from Keurig. This kit contains a KQ8A filter, filter head, and mounting bracket.

This procedure will prevent fine particles of carbon from entering and clogging the water inlet valve. Getting Started You will need several tools for the installation or servicing the B brewing system. They are as follows: If the electric circuit is overloaded with other appliances, the circuit breaker may trip. If possible, the brewer should be operating on its own circuit, separate from other appliances.