ELEKTRA Microcasa Manual de formación - Página 11

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Grinding discs

The grinder has two precisely machined grinding discs that produce a

uniform grind. The discs are arranged with the cutting blades facing

each other, in which the distance between the discs determines the

texture of the grounds. The closer the discs, the finer the grounds.

The grinding discs in an Elektra

domestic coffee grinder

One disc is attached to an electric motor that rotates the disc. The

other disc does not rotate and is attached to an adjusting wheel that

allows the distance between the grinding discs to be altered.

Locking pin

notches. These

are located on

the underside of

the grinding

adjustment

wheel.

Fixed disc, which is

attached to the grinder

adjusting wheel

Because the grind texture adjustment is critical, the adjusting wheel

has locating notches, with a spring-loaded locating pin positioned so it

clicks into a notch. A scale around the adjusting wheel gives an

indication of the position of the wheel. Rotating the wheel changes the

distance between the grinding discs.

To rotate the wheel, hold the locating pin down and move the wheel

one notch position at a time. Rotating the wheel clockwise gives a

finer grind (because the discs are moved closer together). The grinder

must be off when changing the position of grind adjustment wheel.

Adjusting

wheel

Numbered

scale

Locating pin

locking the

position of

the wheel

The grind adjustment wheel is held in position by a

Locating pin

down so the

wheel can

be adjusted

Locked

locating pin. Hold the pin down to move the wheel.

The discs are mounted one

above the other, a lot closer

than shown here

Rotating disc which is

attached to the motor

Unlocked

Training manual – Grinders