must be made sure that the maximum allowed pressure will not be
exceeded.
CAUTION_ac
During operation the surface of the compressor may reach tempera
-
tures of more than 70 °C.
Risk of burns!
The compressor shall be protected against contact during operation,
it shall cool down prior to a required contact or heat protection
gloves shall be worn.
CAUTION_a4
The compressor emits noise of high intensity in a narrow band.
Risk of damage to the hearing.
Persons staying in the vicinity of a non noise insulated compressor
over extended periods shall wear ear protection.
● Make sure that all provided covers, guards, hoods etc. remain
mounted
● Make sure that protective devices will not be disabled
● Make sure that cooling air inlets and outlets will not be covered or
obstructed and that the cooling air flow will not be affected ad-
versely in any other way
● Make sure that the installation prerequisites (Ú page 4: Installation
Prerequisites) are complied with and will remain complied with,
particularly that a sufficient cooling will be ensured
Conveying Condensable Vapours
Version “Aqua”:
CAUTION_a
Due to the corrosion protection coating CPC the compressor is ca-
pable of conveying water vapour.
Very humid process gases and/or adverse operating cycles can lead
to residual condensates, though, which cause corrosion.
If this is the case, it is necessary to counteract residual condensates
by warming up the compressor, conveyance of ambient air after
process end and regular draining of the anti-pulsation chamber.
◆ Close the shut-off valve in the suction line
◆ Warm up the compressor for approx. 10 minutes
At process start:
◆ Open the shut-off valve in the suction line
At the process end:
◆ Close the shut-off valve in the suction line
◆ Open the ambient air valve
◆
Operate the compressor for another approx. 10 minutes
◆
Close the ambient air valve
CAUTION_a
During operation of the compressor the anti-pulsation chamber is
under pressure.
Risk of injury when the condensate drain cock is opened!
Drain condensate only when the compressor is shut down and the
pressure connection (i) is vented to atmospheric pressure.
◆
Regularly drain condensate from the anti-pulsation chamber
Maintenance
DANGER_age32
In case the compressor conveyed gas that was contaminated with
foreign materials which are dangerous to health, harmful material
can reside in filters.
Danger to health during inspection, cleaning or replacement of fil
-
ters.
Danger to the environment.
Personal protective equipment must be worn during the handling
of contaminated filters.
Contaminated filters are special waste and must be disposed of
separately in compliance with applicable regulations.
CAUTION_ac
During operation the surface of the compressor may reach tempera-
tures of more than 70 °C.
Risk of burns!
● Prior to disconnecting connections make sure that the connected
pipes/lines are vented to atmospheric pressure
Maintenance Schedule
Note: The maintenance intervals depend very much on the individual
operating conditions. The intervals given below shall be considered as
starting values which should be shortened or extended as appropriate.
Particularly heavy duty operation, such like high dust loads in the envi-
ronment or in the process gas, other contaminations or ingress of pro-
cess material, can make it necessary to shorten the maintenance
intervals significantly.
Monthly:
● Make sure that the compressor is shut down and locked against in-
advertent start up
In case an inlet air filter (b) is installed:
◆ Check the inlet air filter (b), if necessary replace
In case of operation in a dusty environment:
◆ Clean as described under Ú page 7: Every 6 Months:
Every 3 Months:
● Make sure that the compressor is shut down
● Check the level of the synchronising gear oil
The level shall be slightly above the middle of the sight glass (g, 76).
The level of the synchronising gear should stay constant over the life-
time of the oil. If the level does fall, the gear is leaky and the
compressor requires repair (Busch service).
Every 6 Months:
● Make sure that the housing is free from dust and dirt, clean if nec-
essary
●
Make sure that the compressor is shut down and locked against in
-
advertent start up
●
Clean the fan cowlings, fan wheels, the ventilation grilles and cool
-
ing fins
●
Fill in grease (Klüber Asonic HQ 72-102, Busch Art.No.
0821 108 187) at both grease nipples, until grease appears at the
excess grease ports
Every Year:
●
Make sure that the compressor is shut down and locked against in
-
advertent start up
MI 1502 BP Maintenance
0870152627 / 101117 page 7
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