Safety when servicing
General 149
All pressurized vessels must be opened very carefully so that
any remaining pressure is released slowly.
When the engine is stopped, there is a remaining accumulated
pressure in the system. If a system is opened without having
first released the pressure, liquid under high pressure will jet
out.
Also the check-tightening of leaking couplings and connections
should only be done after all the pressure in the system has
been completely released.
•
The hydraulic system:
must be isolated from all actuation
of external forces.
Disused accumulators should first be punctured before they
are discarded as otherwise they may explode at a later stage.
Never set a relief valve' to a higher pressure than that recom-
mended by the manufacturer.
When installing a two-way radio, a mobile telephone or similar
equipment, the installation should be carried out according to
the instructions of the manufacturer in order to eliminate inter-
ference with the electronic system and components intended
for the function of the machine.
Do not stand in front of or behind the machine when the engine
is running.
After the service work has been completed, close and secure
engine hood and all guard plates.
Measures to be taken in connection with electric welding, See
Electric welding
on page 180.
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