Chapter 2 General notes for service technicians
16 SMSO-2-02.02- 15.07.03
Note 8
Check the grinding operation (grain size) and adjust if
necessary. If this is not possible, the grinder blades
065’007 must be replaced in pairs. When fitting the
grinder blades, make sure that the pitch circle of the
fastening holes for each of the blades are different.
Note 9
Replace the lower piston 065’316 and the outlet piston
065’310.
Replace the O-rings 065’190 and grease lightly with
grease 067’399 suitable for use in food applications. The
brewing unit is always lubricated according to the
lubrication plan 1.5.5929 / 1.5.6239 (see chapter
"Function Description, Lubrication Plan for the Brewing
Unit").
Replace the O-rings 065’191, these must not be
greased.
We recommend that the brewing piston should be
replaced after every 50-70,000 strokes. If the machine is
not more than 3 years old, the friction piston set 2000,
062’600 can be fitted.
After the brewing unit has been cleaned, carry out a
functional check and leaks test.
Note 10
Check the piston motor for clearance on the drive shaft
and at the connection with the housing.
In addition you should also check that the piston motor
is fitted into its retainer free of play.
Screws 1660003 must be tightened to a torque of 10 Nm.
Note 11
The flowmeter should be checked for calcium deposits,
contamination and mechanical wear. Replace O-ring
064’464 after opening.
065’190
065’191
Loctite 243
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