fiac AIRBLOK 40, Руководство по эксплуатации и обслуживанию, Страница: 36 / 68

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6 COMPRESSOR MAINTENANCE
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6.1.6 Cleaning the air/oil radiator
Read all indicated in Section 6.1 before starting any maintenance jobs.
It is advisable to clean the radiator 1 on a weekly basis to remove impurities, blowing it with an air gun from
inside. Open the left panel and blow compressed air from the inside of the radiator.
6.1.7 Cleaning the dust-removal pre-filter
Read all indicated in Section 6.1 before starting any maintenance jobs.
Clean the pre-filter 1 from impurities on a weekly basis. Slide the pre-filter 1 out and blow with compressed
air or replace if necessary.
6.1.8 Grease the bearings of the motor.
Put new lubrication grease in the motor bearings, using the special lubricator.
To lubricate (with roughly 20g of grease), take the tap off the grease discharge on the shield. Always clean
the grease cap and turn the shaft so that the grease spreads right around the bearing. When the motor is
running, right after the bearing has been lubricated, the temperature of the actual bearing will increase by
10°-15° just momentarily, to then settle back down at the normal temperature when the grease has spread
evenly and any excess grease has been expelled from the bearing tracks. If bearings are lubricated
excessively they would overheat. Once you have re-lubricated and after a few minutes of testing, put the
caps back on the holes of the motor shields, which discharge any excess grease.
Clean the supports and renew the grease
Whatever the hours of operation, the grease is to be renewed after 1-2 years and also when generally
overhauling the compressor. Once the motor has been dismantled, clean all parts of the bearing and the
support to remove all the old grease, dry them, check the state of wear of the bearing and replace if
necessary. Fill all the empty gaps inside the bearing with new grease. The gaps at the side of the support
are not to be filled.
Types of recommended grease
To grease the bearings efficiently, use exclusively grease for high temperatures type Esso Unirex N3 . The manufacturer
declines all forms or liability with regard to damages to bearings caused by the use of alternative grease.
Do not mix different types of grease (oil pulp, base oil), which reduces the quality of the oil and is therefore
to be avoided.