FULLY-AUTOMATIC ESPRESSO COFFEE MACHINE - Wega

ADJUSTMENT the DISPENSING GROUP - chap.11
Technical manual
11.2 Adjustment control
CAM No.1 control
PHASE 1
Press the piston descent key until it has reached the lowest
position allowed.
PHASE 2
Keep the ascent key pressed until the piston (A) stops
automatically;
PHASE 3
Proceed according to the following steps:
adjustment situation operations on GR. 1 operations on GR. 2
INCORRECT ADJUSTMENT
The piston stops before the metallic
thump of the descending piston is
heard.
CORRECT ADJUSTMENT
The piston stops after the metallic
thump of the descending piston is
heard.
The motor is not forcing.
INCORRECT ADJUSTMENT
The piston stops after the metallic
thump of the descending piston is
heard.
The motor is forcing and/or the
machine gives the “Piston group
blocked” alarm.
Turn cam 1
clockwise
Check
tightness of
the screws
with the 2.5
mm “L” Allen
key
Turn cam 1
anticlockwise
If the adjustment is not correct, proceed as indicated in the chart and repeat phases 1 and 2.
58
english
Turn cam 1
anticlockwise
Check
tightness of
the screws
with the 2.5
mm “L” Allen
key
Turn cam 1
clockwise
A