Regulations and care
Lubricating Oil
A4.05.08.00
M20-M601C
en / 21.08.2001 BA020067 5/8
Ĺ
1.5 Lubricating oil changing
The oil change interval is dependent to a large extent on the quality of the oil used and is influenced
also by the fuel used, the amount circulating in the engine lubricating system, the operating
conditions, the engine oil consumption, the lubricating oil care and engine maintenance.
The optimal oil circulation quantity should 1.36 l/kW.
If in special exceptions circulation amounts of at least 0.3 l/kW cannot be avoided, shorter oil change
intervals are necessary. In such cases the oil change times given below must be multiplied by the
quotient of the actual quantity to the normally required quantity. An oil change must be made every
6 months at the latest.
The oil level must be checked daily (the level must not drop below the minimum mark). It must be
topped up at the latest when 20 % of the amount in circulation has been used.
Note:
Modern MaK engines are characterized by low lubricating oil consumption rates
of < 1 g/kWh, which in individual cases may even be significantly below this value.
Under such conditions and due to the low refilling requirement the usability limit can
already be reached after shorter times depending on the oil grade used (BN) and the
influence of the other operating parameters.
Independent of the kind of treatment it is necessary to replenish by adding new oil when
the BN limit (item 1.6.2) is reached.
Due to the above-mentioned factors the indicated oil change intervals are guide values only.
The essential criterion for determining the time for an oil change is compliance with the limt
values specified under item 1.6.
We therefore recommended checking of the lubricating oil by means of regular oil analyses.
These analyses will be carried out by the lubricating oil service of the oil supplier or by
Caterpillar/Kiel at cost price. The oil for the analysis must be taken from the oil circuit before
engine during operation. The amount required is approx. 0,5 to 1,0 l.
Oil change after operating hours (h) based on 1.36 l/kW when fitted with:
Pre- and main filter – every 1.500 h
Additional by-passfilter or oil centrifuge – every 3.500 h
Separator – every 7.500 h
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