22
MAINTENANCE
INSTRUCTIONS
GRU FASSI
22 MAINTENANCE INSTRUCTIONS
22.1 Generality
To assure a long life to the crane, it is necessary to meticulously follow the
maintenance instructions.
General lubrication and small repairs can be carried out by the user; repairs of
a more complicated nature must be carried out by authorized service person-
nel.
Spare parts must be original.
Good maintenance and proper use are imperative to maintain efficient use and
guarantee the safety of the crane.
At least once a year you must take the crane to a Fassi Service Center for a
check.
(!) ATTENTION (!)
SYSTEM IN PRESSURE AND TEMPERATURE
Before disconnecting/connecting any hydraulic pipe follow the next pre-
scriptions:
- Disconnect the pump.
- Discharge the pressure from the lines operating the control levers
in both directions of working.
- Only after having checked that there isn’t pressure in the system
will be possible to disconnect / connect the pipes.
- Countermark always the removed pipes and their comparisons on
the crane:
(!) ATTENTION (!)
THE OIL IN THE PIPES COULD BURN!! (DE4945)
(!) ATTENTION (!)
An error in connecting / disconnecting the pipes can cause damage to
the rams and the hydraulic system. A bad screwing of the couplings may
cause blow-by of oil and thus a contamination of the environment.
Moreover, the loss of pressure, that could derive, can compromise the
good functioning of the machine.
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