La Marzocco leva 1 group, Руководство пользователя

Страница: 22 / 60

EN
22
Please follow this procedure if it is necessary to adjust the expansion valve. First
remove the left side glass to access the expansion valve. The expansion valve
protrudes through the sheet metal, has the shape of a hexagon, is brass in color
and 18 mm (tool). The valve will be hot, so, using adequate protection, in order
to adjust the expansion valve rotate the valve clockwise to raise the pressure and
counter-clockwise to reduce the pressure. It may be necessary to use a spanner
to rotate the expansion valve in 1/4 turn or less increments until the desired
pressure is achieved. Replace the left side glass after each adjustment to ensure
the machine is operating correctly.
77
Increase
pressure
Decrease
pressure
WARNING
The expansion valve can
discharge water as hot as 200°F
/ 93°C. Adequate protection
for handling this component is
needed before attempting to
adjust.