Checking the antifreeze concentration in the hydraulic cir-
cuit
Subject to local minimum outside tem-
peratures, antifreeze may need to be
added to the hydraulic circuit (see the
following table).
Min. outside
temperature
[°C]
Antifreeze con-
centration [%]
0 to –10 30
–15 40
Note
Antifreeze concentrations > 40 % are
not permissible because of the result-
ing risk of pump damage.
Check the antifreeze concentration
regularly if the operation demands
that antifreeze is added to the fill
water of the hydraulic circuit.
Record the determined value in the
service report from page 46.
Checking the compressor
Check the compressor for smooth
running, noise development and
ensure it is fixed correctly.
Record the implementation of the
work in the service report from
page 46.
Checking the oil sump heater
Record the implementation of the
work in the service report from
page 46.
Checking the compressor power consumption
Check the compressor current during
start and operation, and compare the
actual values with the details in the
specification (see from page 48).
Record the determined values in the
service report from page 46.
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