0000104046/010822/A MDB-Compact PRO
13
6
MAINTENANCE
6.1
Periodic maintenance
The product has been designed to function without
problems for a long time with a minimum of
maintenance. In order to guarantee this some
simple, regular maintenance and cleaning activities are
required which are described in this chapter. If you observe
the necessary caution and carry out the maintenance at
regular intervals, any problems occurring will be detected and
corrected before they lead to a total breakdown.
WARNING
Overdue maintenance can cause fire.
The indicated maintenance intervals can vary depending on
the specific working and ambient conditions. Therefore, we
recommend to thoroughly inspect the complete unit once
every year beside the indicated periodic maintenance. For this
purpose contact your supplier.
Component
Action
Frequency:
every X
months
X=3
X=12
Dust drawer
Empty; refer to paragraph 6.2 *)
Compressed air
regulator (option)
Drain
X
Housing
Make sure that there is no air
leakage
X
Compressed air
system
Make sure that the connection is
correct
X
Make sure that the pressure is
correct (4-5 bar)
X
Make sure that the valves and
membranes are not damaged
X
Dust drawer
housing
Clean the inside
X
Filter cartridges
Make sure that the position is
correct; refer to paragraph 4.6
X
Bolts
Make sure all bolts are correctly
tightened
X
Fan
Make sure that the flexible hose
at the inlet is not damaged
X
Make sure that the vibration
dampers are not damaged
X
Make sure that the fan is in
balance
X
*) During use, you must check the level of contents in the dust
drawer regularly. The emptying frequency depends on the intensity of
use and will be a matter of experience.
In the initial stage, do a check on the level of contents of the dust
drawer
two times per week
.
6.2
Emptying the dust drawer
Personal protective equipment (PPE)
Wear respiratory protection and protective
gloves when you empty the dust drawer.
ATTENTION
The industrial vacuum cleaner that you use to
empty the dust drawer must meet dust class H
according to EN 60335-2-69 or HEPA class
(efficiency ≥99.97% at 0.3 µm).
WARNING
-
Prevent excessive draughts.
- Do
not
open the dust drawer while the fan is
running.
To empty the dust drawer, do the following.
• Option: push the black button (FILTER CLEANING) on the
ControlPro/Panel to activate an additional cleaning cycle.
This will take approx. one minute per filter cartridge.
• Disconnect the compressed air supply.
• Fully disconnect the unit from the mains.
• Unlock the dust drawer (A) with the supplied square key.
• Gradually open the dust drawer and empty it with an
industrial vacuum cleaner at the same time
7 8
.
• Close the dust drawer and lock it. Make sure to rotate the
key 90°.
• Connect the compressed air.
• Energize the unit.
Fig. 6.1
A
Emptying the dust drawer
6.3
Filter replacement
The ControlPro/HMI indicates when you must
replace the filter cartridges. Replace all filter
cartridges at the same time.
Personal protective equipment (PPE)
Wear respiratory protection and protective
gloves when you replace the filter
cartridges.
WARNING
Do
not
replace the filter cartridges while the fan is
running.
To replace the filter cartridges, do the following.
• Option: push the black button (FILTER CLEANING) on the
ControlPro/Panel to activate an additional cleaning cycle.
This will take approx. one minute per filter cartridge.
• Disconnect the compressed air.
• Fully disconnect the unit from the mains.
• Loosen the star knob (F) and disassemble the cover plate
(E), the nut (D) and the metal washer (C).
• Remove (one of) the upper filter cartridge(s)
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(B) and put
it in the plastic sack in which the replacement filter
cartridge is supplied.
7.
The dust drawer has a pull-out protection. To fully remove it: lift the handle
and pull out the dust drawer.
8. Do
not
use any liquids to empty or clean the dust drawer; this causes damage
to the filter cartridges.
9.
Removing the upper filter cartridge(s) first, keeps the release of dust to a
minimum.
