124
Maintenance and Service
Operator's Manual GB
8.5.6
2. Drain the oil tank through the drain plug.
Make sure the system contains as little as
possible.
Use a container with sufficient capacity.
! NOTE
Ensure the waste oil is disposed of safely and
inaccordance with local environmental regula-
tions.
3. Change at the same time:
- all filters
4. Refit the drain plug.
Filling the oil tank with hydraulic oil
The oil used for filling must be clean. Do not mix
different oils.
Hydraulic oils must have been dealt with accord-
ing to cleanliness requirements ISO 4406: -
/16/13.
Hydraulic oil that is approved for HIAB products
must comply with one of the following standards
or equivalents:
- ISO 11158 HV
- DIN 51524 part 3 HVLP
- ISO 6743/4 L-HV
Suppliers of hydraulic oil must verify that the
quality and performance of the oil complies with
the above standards.
When changing from mineral oil to a non-
polluting synthetic oil, or when changing to
biodegradable oil, contact a HIAB service work-
shop.