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TYPE OF OIL
Due to the thermal load on the compressor only high quality oil should be used. You are recommended to restrict oils to
those which have been approved by us and are listed in the instruction manual or in the lubricating list on page 1.
Our compressor units are delivered ex works with lubricating oil filled into the crankcase or as consignment,
depending on the model, as follows:
Breathing air compressor units:
Nitrox compressor units:
For operation under difficult conditions, such as continuous running and/or high ambient temperatures, we only recom-
mend the BAUER special synthetic compressor oils acc. to the list on the previous page. These have proved excellent
quality under ambient temperatures between +5 °C and +45 °C. For lower temperatures a compressor heating device
is required which is capable of pre−heating the unit up to +5 °C.
For operation under less severe conditions, and for intermittent operation, i.e. when the compressor is not used for longer
periods between the operating periods, we also recommend the use of the mineral oil acc. to the list on the previous page.
This oil is suitable for ambient temperatures between +5 °C and +45 °C. Here also, a pre−heating device will be required
if ambient temperatures should fall below +5 °C.
Changing the Oil Type
To avoid severe damage to the compressor unit when changing to another oil type, the
following measures should be strictly adhered to.
− Drain mineral oil while still warm.
− Check valves, coolers, separators, purifiers and all pneumatic tubes and hoses for deposits.
If deposits are present, perform the following steps:
− Remove deposits or change valves, coolers, separators, purifiers and all pneumatic tubes and hoses.
− Change oil filter, if applicable.
− Fill compressor with the new oil.
− After approx. 100 operating hours, replace oil filter again (if applicable). and change oil.
− Top up with same oil type.
OIL CHANGE
Mineral oil
Synthetic oil
Oil change volume
BAUER compressor oil is available in the following quantities:
Oil quantity b Oil
type '
0.5 ltr. bottle
1 ltr. bottle
5 ltr. container
20 ltr. container
Oil list w Breathing air compressors
every 1000 operating hours, at least annually
every 2000 operating hours, at least every two years
see compressor unit operating manual
Synthetic oil N28355
part no. N28355−0,5
part no. N28355−1
part no. N28355−5
part no. N28355−20
BAUER Special Compressor oil, part no. N28355
BAUER Special Compressor oil, part no. N28355
Mineral oil N22138
part no. N22138−0,5
part no. N22138−1
part no. N22138−5
part no. N22138−20
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