Grind Head

Gasket, Hopper Foam

 

(88211)

 

(84171S)

 

 

 

Thrust Collar

Motor

Burr Set

(86304)

(85281W)

 

(86419)

 

 

Revolving

Tension Spring

 

Burr

(86118)

 

Shear Disc (86123)

Decal, Coarse-Fine

(84884)Shear Cap

(86355)

Adjusting Nut (86340)

 

 

 

 

 

 

Nut

 

 

 

 

Screw

Machined Spout (86218)

(86864)

 

 

 

 

(86812)

Deflector (86220)

 

 

 

 

 

Screw

 

 

 

Shear Drive

 

 

 

 

 

 

(86148)

Screw (86217)

 

 

 

(86154)

Feedworm

 

 

 

 

 

 

 

Grind Cap

(85185K)

Spring, Chaff Mixing

Gasket, Portioner to Head

 

Adjusting Screw

 

 

(86146)

 

Thumb Screw

(87131)

 

(71419)

 

(86341)

 

 

 

(86819)

 

 

 

 

 

 

 

 

 

 

 

Bearing, Adjusting

 

 

 

 

 

(86140)

 

 

 

 

 

 

Figure H: Motor Assembly

Shear Disc Replacement

If the motor should run and no coffee is dispensed, the shear disc release may have operated. Should this occur, perform the following operations in the sequence given (see Figure H).

Tools Required: Phillips Head Screwdriver and Pliers

1.Unplug machine.

2.Remove the Upper Front Plate of the grinder to provide access to the grinder mechanism.

3.Remove the Grind Cap by taking out the 2 Thumb Screws.

4.Pull out the Revolving Burr and Feedworm Assembly. Clean out the Grinder Head, removing all coffee particles from inside of the Grinder Head and the Grinder Cap so that it can be reset properly.

5.Check that no obstruction has been caught on the surface of the teeth of either burr.

6.Remove the Shear Cap and broken pieces of the Shear Disc. You are now ready to reassemble the grinder mechanism.

7.Slide the Burr and Feedworm Assembly back onto the Motor Shaft making certain that the tongue of the shaft engages the slot in the Shear Drive.

8.Insert a new Shear Disc by aligning the slot in the Shear Drive with the slot in the hub of the Feedworm.

9.Reassemble the Shear Cap and Grinder Cap. Make certain the Grinder Cap is screwed on tight and is sealed properly against the head, not angled or mis-aligned. Otherwise a proper grind cannot be obtained.

10.Reassemble the Upper Front Plate. Your grinder is now ready to grind.

Page 7

115 & 250 Series Coffee Grinders

 

 

Page 8
Image 8
Grindmaster 115AB, 250AB, 250RH-2, 250RH-3 Shear Disc Replacement, Tools Required Phillips Head Screwdriver and Pliers

250A, 115AB, 250RH-3, 250RH-2, 250AB specifications

The Grindmaster coffee machines, specifically models 250AB, 250RH-2, 115AB, 250A, and 250RH-3, represent a blend of advanced technology and user-friendly design aimed at enhancing the coffee brewing experience. These machines are primarily used in commercial settings, where consistency and quality are paramount.

Starting with the Grindmaster 250AB, this model is designed for heavy-duty usage, integrating an automatic brewing feature that ensures optimal extraction of coffee flavors. The 250AB is equipped with a digital control panel that allows operators to customize brew times and temperatures. This model's stainless steel construction not only guarantees durability but also provides an aesthetically pleasing finish that complements any café or restaurant environment.

Moving on to the 250RH-2, this model features a dual-heating system that allows for simultaneous brewing and maintaining temperature, ideal for high-demand settings. It boasts precise electronic controls that make it easy to replicate recipes and achieve the desired taste consistently. With an adjustable drip tray, the 250RH-2 accommodates various cup sizes, making it versatile for different customer needs.

The Grindmaster 115AB, known for its compact design, is perfect for smaller establishments without compromising on capability. It offers a single brewer with a quick heating time, so coffee can be brewed rapidly to meet customer demand. Additionally, the 115AB includes an easy-to-read LED display for monitoring and adjustment.

The 250A model focuses on efficiency with its streamlined design that prioritizes user convenience. It includes a large capacity water reservoir that minimizes the need for frequent refills and facilitates continuous brewing. The self-cleaning feature enhances hygiene and reduces maintenance time, making it an excellent choice for busy coffee shops.

Lastly, the 250RH-3 adds further improvements with its enhanced brew basket technology, which optimizes coffee ground saturation for even better extraction. Like the previous models, it features digital controls and programmable options, allowing for precise adjustments tailored to specific coffee profiles.

Overall, the Grindmaster series, with its various models, offers solutions that cater to a range of business sizes and coffee preferences. Their focus on durability, user-friendliness, and technological advancement has established them as a reliable choice for professional coffee brewing.