All trucks
Technical Handbook
Hydraulic Cylinders
Service
9279 02-09
Publ.
Gr. S.
5
70
Storage and topping up of hydraulic fluid
z
Be particularly careful when topping up hydraulic fluid - care-
lessness is one of the major causes of impurities entering the
system
z
Store drums, cans and funnels in as clean conditions as pos-
sible, for example, under a tapaulin and not directly on the
floor.
z
Handle drums, cans and funnels with care and clean them as
necessary
z
Store drums of hydraulic fluid horizontally so that bungs and
taps are below the fluid level, which will reduce the risk of im-
purities and humid air entering the drum.
z
Always top-up hydraulic fluid through a clean strainer, prefer-
ably through a filter, using a top-up pump.
z
Never use the very last of the fluid in the drum. This could con-
tain water and other impurities, depending on the number of
times that the drum has been opened.
Repairs and Service
As soon as a hydraulic system is opened, there is always a great
risk of impurities entering the system
z
Thoroughly clean the around the area of the system on which
work is to be carried out
z
Isolate the area where work is to be carried out with the help
of, for example, clean protective plastic sheeting
z
Do not open sensitive components out in the field, replace the
complete component instead
z
Immediately insert protective plugs in all open connections
z
Make sure that exchange components are thoroughly clean
z
Carry out the repair as soon as possible
z
After dismantling, clean all parts
z
If a serious breakdown has occurred, for example, if a pump
or hydraulic motor has seized, metal particles may have been
spread and polluted the entire system. In such cases, it is ex-
tremely important to carefully filter or replace the hydraulic flu-
id. Under all such circumstances, the system’s filters must
always be replaced
z
Never fit components where the protective plugs have fallen
out - impurities may have entered the system
IMPORTANT!
If there is the slightest doubt about the purity of the hy-
draulic fluid - send a fluid sample to the manufacturer
of the fluid, or to Kalmar Service
Summary of Contents for ContChamp DRD S Series
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