SHEAR PLATE REPLACEMENT

Tools Required: #2 Phillips Screwdriver, Large flat blade screwdriver

1.Unplug machine.

2.Remove front panel and hopper. To remove hopper, pull bean shut-off valve forward. This will shut- off the flow of coffee beans and allow you to lift it from the grind head.

3.Remove hopper cradle. There are 5 screws (2 in front and 3 across back) holding the hopper cradle in place. Loosen screws and lift up hopper cradle.

4.

Remove spray head. First remove the spray deflector by spinning

Figure G

 

 

it clockwise. Second, pull the spray nozzle away from mounting

 

 

 

 

sheet.

 

 

 

 

 

 

 

5.

Remove grind cap by loosening the 2 screws and rotating the

 

 

 

 

grind cap away from the screws.

 

 

 

6.

Pull out the revolving burr and freedworm assembly. The

 

 

 

 

sweeps on the revolving burr must line up with the cut outs on

 

 

 

 

the grind head. (See Figure G).

 

 

 

7.

Remove the shear cap and broken shear plate.

 

 

 

8.

Slide the rotating burr onto the motor shaft, aligning up the sweeps with

 

 

 

 

cutouts on the grind head. Rotate the burr so that the burr is held back into the

 

 

 

 

burr pocket by the sweeps on the grind head lip. Slide the drive coupler into place.

 

 

 

 

Rotate the slot on drive coupler with the feed worm. Insert a new shear plate.

 

 

 

 

 

Shear disc

 

9.

Reassemble the remaining components in reverse order of disassembly.

 

 

 

plate

 

 

 

 

 

 

 

 

 

 

WATER SOLENOID VALVE (See Figure H)

English

Tools Required: #2 Phillips screwdriver, pliers, 1/4" sockets

Note: The water solenoid valve is accesible from the rear of the unit. This water valve contains a flow washer which delivers a constant water flow rate of 0.29 (1.1L) gallons per minute.

1.Unplug machine.

2.Remove two lower screws from access panel.

3.Pivot panel and pull away from machine.

4.Disconnect electrical connections and water line from water valve. The water line is removed by sliding the sleeve on the elbow fitting and pulling the hose out of the fitting.

5.Disassemble water valve and de-lime.

6.Reassemble in reverse order of disassembly.

Figure H

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Grind ’n Brew Coffee Systems

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Image 8
Grindmaster 10, 21, 20 instruction manual Figure G