Bomag BPR 35/60 D - Engine Oil and Lubricants

Maintenance
BOMAG 33 BPR 35/40 D BPR 35/60 D
5.2 Fuels and lubricants
Engine oil
Use winter engine oil for winter operation!
To ensure perfect cold starting it is important to
choose the viscosity (SAE grade) of the engine oil
with respect to the ambient temperature.
During winter operation below -10°C the oil
change intervals must be shortened.
Fig. 34
Lubrication oil with a too high viscosity index will
cause starting difficulties. The temperature when
starting the engine is therefore decisive for select-
ing the correct viscosity for winter operation.
Oil viscosity
Since the viscosity of the lubrication oil changes
with the temperature, the ambient temperature at
the engine's operating location determines the vis-
cosity class (SAE-grade) to be chosen (see dia-
gram).
Although cold stating abilities may be impaired if
the temperature occasionally drops below the limit
(e.g. use of SAE 15W/40 down to -15°C), this will
not cause any damage to the engine.
Temperature related lubrication oil changes can
be avoided by using multi-purpose engine oils.
The following oil change intervals apply also for
multi-purpose oils.
Regular lubrication oil changes
The longest permissible time for an oil filling in the
engine is 1 year.
Oil quality
You should preferably use oils of API-quality class
CD-CE-CF-CG, or CCMC-D4/D5/PD2 (SHPD).
When using oils of lower quality standard the oil
change intervals must be reduced.
Oil change intervals
Oil change intervals for oil quality
API: CD-
CE-CF-
CG = 6 months
CCMC-D4/
D5/PD2
(SHPD) = 6 months
!
Caution
These intervals apply when using a diesel fuel
with a sulphur content of max. 0.5 % by weight
and an ambient temperature higher than -10°C
(14°F).
l When using fuel with a sulphur content of
more than 0,5% to 1% or at ambient tempera-
tures below -10°C (14°F) the oil change inter-
vals in the table must be halved. For fuels with
a sulphur content higher than 1% to 1,5% the
engine oil must have a TBN of approx. 12 x
%S-content when the oil change intervals are
halved.
Lubrication oil quality classes
The API-classification is used to classify the oil
quality. The lubrication oil manufacturer is respon-
sible for the correct classification of the product.
i
Note
When changing to a higher alloyed oil quality after
a longer operating period, we recommend the first
oil change of this higher quality oil to be performed
after approx. 25 operating hours.
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