6.2 Drive motor
General
Keep the outside of the electric motor clean for efficient cooling. If necessary, remove dust with a
brush and/or compressed air jet.
Description
The motor bearings are greased for life.
6.3 Oil specifications
Avoid mixing lubricants of different brands or types as they may not be compatible and
the oil mix may have inferior properties. A label, indicating the type of oil filled ex factory,
is stuck on the air receiver/oil tank.
It is strongly advised to use the recommended lubricants. See section Preventive maintenance
schedule for recommended oil change intervals.
For part numbers, consult the Spare Parts List.
Fluid Tech
Fluid Tech is a specially developed lubricant for use in single stage oil-injected screw
compressors. Its specific composition keeps the compressor in excellent condition. Fluid Tech
can be used for compressors operating at ambient temperatures between 0 ˚C (32 ˚F) and 30 ˚C
(86 ˚F). If the compressor is regularly operating in ambient temperatures between 30 °C (86 °F)
and 40 °C (104 °F), oil lifetime is reduced significantly.
6.4 Oil, filter and separator change
Important
Never mix oils of different brands or types. A label, indicating the type of oil filled ex-
factory, is attached on the air receiver/oil tank.
Always drain the compressor oil at all drain points. Used oil left in the compressor can
shorten the lifetime of the new oil.
If the compressor is exposed to external pollutants, used at high temperatures (oil
temperature above 90˚C / 194˚F) or used under severe conditions, it is advised to
change the oil more frequently. Consult your supplier.
Instruction book
2920 7201 40 63
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