Overhaul; Maintenance Schedule; Minimum Every 3 Months; Yearly - AirTech ASC series Installation Und Betriebsanleitung

Overhaul

WARNING!
All work must only be carried out by qualified personnel and
when the machine is not running.
● Switch off the machine and secure it against restarting. This
also applies to auxiliary circuits (e.g. standstill heating).
● Check there is no voltage!
● Establish a safe protective earth connection before starting
work!
CAUTION!
During operation the surface of the side channel blower may
reach temperatures of more than 70°C.
Risk of burns!
The side channel blower shall be protected against contact
during operation, it shall cool down prior to a required contact
or heat protection gloves shall be worn.
WARNING!
Non-compliance with the maintenance and servicing obliga-
tions invalidates the conformity and may lead to accidents re-
sulting in death or serious injuries.
In case the side channel blower conveyed gas that was con-
taminated with foreign materials which are dangerous to
health, harmful material can reside in pores, gaps and internal
spaces of the side channel blower.
Danger to health and environment during dismantling
of the side channel blower.
Prior to shipping the side channel blower shall be decontami-
nated as good as possible and the contamination status shall
be stated in a "Declaration of Contamination" (form down-
loadable from www.airtecheu.com).
Ma i nte na n ce s ch ed ule
WARNING!
Prior to disconnecting pipes/lines make sure that all pipes/ lines
are vented to atmospheric pressure
NOTE: The maintenance intervals depend very much on the indi-
vidual operating conditions. The intervals given below shall be con-
sidered as starting values which should be shortened or extended
DANGER!
as appropriate. Particularly heavy duty operation, such like high
dust loads in the environment or in the process gas, other contam-
inations or in gress of process material, can make it necessary to
shorten the maintenance intervals significantly.
Mi nim u m e ve ry 3 m o nt hs
• Clean the fan cowling, the fan wheel, the ventilation grille and
cooling fins.
➔ qualified technician *
• In case an inlet air filter is installed check the inlet air filter, if
necessary clean (with compressed air) or replace.
➔ qualified technician *
• Check the inlet screen, clean if necessary.
➔ qualified technician *
• Observe the maximum permissible vacuum or compression
pressure and check the conveying values.
➔ qualified technician *
• Check ball bearing for noises.
➔ qualified technician *
• Check silencer inserts for contamination, replace if necessary.
➔ qualified technician *
* These maintenance works may be carried out by qualified
personnel if the maintenance instructions are available.
Ye a rl y
• Check sensors for functionality (e.g. bimetal switch, PTC
thermistor), remedy faults if necessary.
➔ Electrician
• Check fixing of the machine for stability.
➔ qualified technician *
E ve r y 40 , 0 00 h or 4 , 5 ye a r s
• Renew bearings
➔ AIRTECH Service
• Renew radial shaft seals
➔ AIRTECH Service
AIRTECH service will only accept side channel blowers that come
with a completely filled in and legally binding signed "Declaration
of Contamination" (form downloadable from
techeu.com).
In addition, the following points must be observed for
trouble-free operation of the machine:
• regularly check the connection tightness,
• avoid overloading the drive,
• in case of unusual noises and vibrations, check the machine and
• keep regularity of maintenance intervals.
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