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Dynaset Oy | Menotie 3, FI-33470 Ylöjärvi, Finland | tel: +358 3 3488 200 | info@dynaset.com | www.dynaset.com
HYDRAULIC SCREW COMPRESSORS
MAINTENANCE
6.3.1. MULTIGRADE OIL
ATTENTION!
The use of multi-grade oils can cause problems in the long run since
viscosity improvers of oil are destroyed over time.
The oil is then no longer secured in the upper viscosity class and a thermal stability
is no longer completely ensured. Therefore, the use of multi-grade oils in DYNASET
HKR compressors is not authorized.
• Only use oils approved for screw compressors!
• Use the same manufacturer and the same oil type as is currently in use in the HKR
screw compressor.
NOTE!
Mixing different oils is not permissible.
6.3.2. TEMPERATURES AND OIL TYPES
Ambient temperature of the compressor
Classes of oil for compressors
Compressor oil injection temperature
Compressor outlet temperature
Picture 42: Temperatures and oil types
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