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3. technical characteristics

3.1 General characteristics of the different models

The La San Marco grinders-dispensers are professional equipment designed for grinding and metering cof-
fee beans. La San Marco S.p.A. manufactures four basic grinder-dispenser models: SM 91; SM 96; SM MK;
SM FK. They are essentially made up of:
• A painted aluminium housing

. The size, shape and volume are identical for all models, except models

SM MK and SM FK, in which the standard housing is provided with a base

that contains the electrical

and electronic components.

• A hopper

, made of transparent plastic material, positioned on top of the grinder-dispenser. The hopper

4,6 litre is fixed to the grinder-dispenser by a special screw

. The hopper can only be removed with the

help of an appropriate tool. Inside the hopper there is a safety grid

that prevents the upper limbs from

accidentally coming into contact with the grinders.

• An electric motor on which the grinding unit is connected. On the grinder-dispenser unit, model SM MK,

an epicycloid reduction is connected between the motor and the grinding unit.

• A grinding unit. Model SM 91 and model SM 96 are equipped with a grinding unit with flat grinders of 64

mm and 84 mm diameter, respectively. Model SM MK has a grinding unit with one conical and two flat
grinders, while model SM FK has a grinding unit with conical grinders.

• A grind adjustment ring

with a release button

. The top of the ring shows the grinding adjustments

possible. The ring is turned clockwise or counterclockwise to change the fineness of the ground coffee.

• A dispenser

designed to measure and dispense the ground coffee; it has an adjustment range from 5

to 9 grams or, in the increased dose configuration, from 6 to 10 grams. The amount of ground coffee
dispensed can be adjusted by operating on the control knob

, located inside the dispenser.The ground

coffee is dispensed by pulling on the coffee dispensing lever

. The presser

, available on cylindrical

and conical versions, enables the ground coffee to be pressed down inside the filter cup.

• A support fork

for the filter cup.

• An electronic control unit that controls the coffee grinder start and stop. The grinding time can be pro-

grammed on the electronic control unit and the grinder-dispenser can be made to restart after a desired
number of ground coffee servings.

• An on/off main switch

with green LED.

3.2 Technical characteristics

The La San Marco S.p.A. grinder-dispensers are prearranged for the following voltages:
•  110 V-1~ 60 Hz (available only for SM 92 / SM 97 models)
•  230 V-1~ 50 Hz
•  230 / 400 V-3N~ 50 Hz
•  240 V-1 ~ 50 Hz
The external dimensions of the pack are: 641 x 467 x 293 mm.

model

motor

speed

(rpm)

poWer

input

(W)

type of

grinder s

grinding

capacity

(kg/h)