17 – 2 Repair manual SWE100, 120, 120L, 120S, 140, 140L, 200D © BT
Hydraulic system 6000
Hygiene when working on hydraulics
T code Valid from serial no. Date Order no.
841×842×843 6061850- 2012-08-30 258946-120
17.2 Hygiene when working on
hydraulics
NOTE:
Risk of malfunction.
If contaminants get into the hydraulic system there is a risk of
malfunctions in parts of or in the entire hydraulic system. There is also
a risk of serious damage to incorporated components.
Observe the following instructions at all times when working on
hydraulic systems.
NOTE!
Only new and clean oil should be put into the hydraulic system. If the
oil is polluted, the hydraulic components will be damaged.
17.2.1 Washing
Wash hydraulic components, including hydraulic hoses and pipes,
using filtered cleaning fluid, in a manner suitable for that component.
The cleaning fluid is to have a cleanliness code of 19/16/13 according
to ISO4406:1999, or alternatively 16/13 according to ISO4406:1987.
Components can be blown clean using dry filtered air when this is the
only practically feasible cleaning method.
17.2.2 Packaging
After cleaning all openings must be sealed using protective plugs.
Connection faces must be protected against damage caused by
handling and against the ingress of dirt.
Completely dry components can be packaged in plastic bags or boxes
with lids.
Packaging (protective plugs, masking, plastic bags etc.) must not be
removed until immediately before components are to be fitted, and then
in a workplace that is adapted for the handling of hydraulic
components.
Tape must never be used without subsequent cleaning.
Protective plugs are to be stored in plastic bags or boxes with lids until
they are used.
Plugs and plastic bags are to be discarded after use.
17.2.3 Handling
Hydraulic components are to be handled and transported with great
care.
Transport packaging is to be used throughout the chain of operations.
This packaging is to be clean and free of swarf etc.
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