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SERVICE MANUAL – Coffee Machine mod. 2998100 - 2998600
H) STEAM ADJUSTMENT
It is possible to perform the steam adjustment only when inspecting the appliance. The adjustment
affects the water intake by using the pressure regulator. If it is necessary to intervene on the exchanger
or the hydraulic circuit, it may be necessary to tune the adjustment again. Proceed thus:
On the adjustment pin,
loosen the locknut, rotating
it counter-clockwise.
To increase the pressure,
rotate the pin counter-
clockwise. To reduce it,
rotate it clockwise. While
performing the adjustment,
perform several supplies of
steam until reaching a dry
jet, with a not excessive
pressure.
When the adjustment is
done, tighten the locknut
by screwing it clockwise, to
fix the pin's position on the
new setting.
Page 14 of 18
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