Figure C: Coarse Grind Adjustment

Grind Selector™

For Models 115AB and 250AB:

Models equipped with a Grind Selector™ are designated with a “B” at the end of the model number (Model 115AB & 250AB). If your grinder is equipped with a Grind Selector™, refer to the following information:

The Grind Selector™ allows you to set the grinder to coarse or fine on any of the 250AB four grind selections: regular small, regular large, decaf small, or decaf large.

The following are some recommended use conditions:

Coarser Settings

Regular Settings

Larger portions - 8 oz or more (urns)

Decaffeinated coffee

Smaller portions - 7 oz. or less (bottle brewers or airpots) Regular coffee

The fine grind setting on this grinder has been pre-set at the factory to deliver coffee ground to normal drip specifications. Should you wish to make an adjustment please follow these steps:

To Adjust the Fine Grind

For Models 115AB and 250AB:

Fine grind

Tools Required: Adjustable Wrench, Phillips Screw Driver, Large Blade Screwdriveradjustment

screw

1. Unplug grinder.

2. Remove upper front plate.

3. Loosen the fine grind adjusting screw lock nut (see Figure B).

4. Hold solenoid shut while turning adjusting screw clockwise to make the grind finer, counter-clockwise to make the grind coarser

(see Figure B). We recommend that you do not turn the adjusting screw more than two notches on the scale before testing the new grind setting.

Figure B: Fine Grind Adjustment

NOTE: Be sure that when adjusting the grind that you do not adjust too fine, causing the burrs to touch each other (a sound of metal scraping metal). This could cause damage to the burrs or motor.

5.After the adjustment has been made, tighten adjusting screw lock nut. Do not allow the fine grind adjusting screw to expose more than three threads on the outer side of the arm or it could loosen during operation.

6.Assemble front plate to front of the grinder.

To Adjust the Coarse Grind

For Models 115AB and 250AB:

Tools Required: Adjustable Wrench, Phillips Screw Driver, Large Blade Screwdriver

1.Unplug grinder.

2.Remove upper front plate.

3.Loosen the fine grind adjusting screw lock nut (see Figure C).

4.Pull the solenoid plunger toward you until it contacts the coarse grind adjusting screw (see Figure C). Then turn the adjusting screw clockwise to make the grind finer, counter-clockwise to make the grind coarser. We do not recommend that you turn the

adjusting screw more than one and a half turns before testing the new grind setting.

5.After the adjustment has been made, tighten the adjusting screw lock nut.

6.Assemble front plate to front of grinder.

Coarse grind

adjustment screw

115 & 250 Series Coffee Grinders

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Grindmaster 250RH-2, 250RH-3 instruction manual Grind Selector, For Models 115AB and 250AB
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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.
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