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Chapter 11 Maintenance
11 Maintenance
Have the machine inspected once a year by a specialist work-
shop. Replace parts which are subject to wear as soon as the
wear limits have been reached. Portable machines, like the
inoCOMB Maxi Power, must be subject to an annual elec-
trical inspection according to the implementing regulation
for electrical plant and operating resources (DGUV V3). This
inspection may only be carried out by a qualified electrician
(e.g. electrical engineer, electrical technician, master electri-
cian, senior electrician, foreman electrician or assistant elec-
trician). Electrical specialists work at all INOTEC service cen-
tres, conducting electrical inspections in line with DGUV V3.
To arrange an inspection, call the INOTEC service hotline on
+49 7741 6805 777.
WARNING
Cleaning and maintenance work can put
the safety of operating staff at risk and impair the
functionality of the machine.
1. Switch off the mixing pump. To do this, turn the main
switch to the horizontal position “0”.
2. Pull out the mains plug.
3. Secure the machine against unexpectedly being
switched back on
4. Before cleaning with the water jet, cover all the open-
ings that water must not penetrate into for safety and
functional reasons.
5. After cleaning, remove all the covers which were at-
tached to protect against the water.
11.1 Maintenance plan
Have the machine inspected
at a specialist workshop or at
an INOTEC service centre
Once a year
(Recommended)
Electrical inspection (DGUV
V3) by a qualified electri-
cian or at an INOTEC service
centre
at least once a year
(mandatory, specified by
DGUV V3)
The dirt trap sieve in the
water inlet is to be cleaned/
replaced by the operator
Daily
The dirt trap sieve in the
pressure reducer is to be
cleaned/replaced by a service
technician
Monthly
11.2 Dirt trap sieve in the water inlet
1. Remove the dirt trap sieve from the GEKA coupling.
2. Clean the dirt sieve trap daily.
3. Replace the dirt trap if it is very dirty.
4. Re-install the dirt trap sieve.
11.3 Dirt trap sieve in the pressure reducing valve
1
2
1. Unscrew the sieve cup (1) from the pressure reducer.
2. Remove and clean the dirt trap sieve (2) once a month.
3. Replace the dirt trap if it is very dirty.
4. Install a new dirt trap sieve and screw the sieve cup onto
the pressure reducer.
11.4 Set values
Water pressure switch
ON: 2.1 bar
Off: 2.0 bar
Air pressure switch
ON: 1.5 bar
Off: 2.5 bar
Pressure reducer
2.2 bar
Protection type
IP 54
11.5 Pump and star feeder motor
Have the pump motor and the star feeder motor checked
and serviced by a qualified electrician every 300 operating
hours.
