Performing maintenance
CTU 2xxx series
en-US
Page 62 / 108
BeWa CTU2000 3160738h en-us 2018-11-15.docx
2018-11-15
Maintenance work
The maintenance and servicing to be performed periodically is described in
the following. The CTU’s serviceability, operational reliability and life
expectancy depend on performing maintenance and servicing work regularly
and carefully.
P
age
E
v
er
y
10
0 h
our
s
of
o
per
at
io
n or
we
e
k
ly
600
0 ho
ur
s
or
ann
ual
ly
A
s
ne
ede
d or
af
ter
…
at
t
he l
a
tes
t
Check all hoses for leaks or signs of brittleness
X
Visually inspect the electrics.
Look for any damage to wires, connectors,
sensors, cabling and electrical equipment in the
switch cabinet.
X
Check all screwed connections and other
connectors to ensure that they are firmly
secured
X
Check that all of the shut-off valves are working
properly
X
Maintenance intervals
Replace hoses
2 years for
multi-shift
operation; 6
years for
single-shift
operation
Change the rinsing fluid filter
12 months
Change the return filter
12 months
Calibrating the flow rate meter
X
Clean the clean room
X
Clean the diffuser on the filter membrane holder
X
Change the test fluid
X
1 month