La Marzocco LEVA X Manual page 9

This operating manual refers exclusively to the following models, of our own manufacture:
15b 15a
15d
15e
Fig. 2 - Models LEVA S and LEVA X - brewing groups
LEVA S and LEVA X
15c
15i
15h
15f 15g
Legend
15a Main lever
15b Secondary lever
15c Cam
15d Spring system
15e Adjustment ring
15f Piston pin
15g Diffuser screen
15h Piston
15i Coffee Boiler
WARNING: Never release the lever if the coffee
panel isn't exerting an appropriate back
pressure on the piston. In particular, never
release the lever in any of the following
cases:
• Portafilter not properly installed on the
group.
• Portafilter installed but containing no
coffee.
• No water in the machine.
Failing to comply with this provision may
result in structural damages to the machine.
9