evolution G-30 H
Service Manual
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Issue 3.1
Ref. NR-00040-ENG
http://www.gamapur.com/
Hydraulic unit
WARNING!
Before performing any maintenance work, make sure all of the pushbuttons
are off, that the general switch is in shutdown position and that the unit is disconnected
from the power supply. Never handle the inside of the control panel with the unit
connected to the power supply. The hydraulic unit is a component that works under
pressure; do not open any connection or carry out maintenance work on components
subject to pressure until all of the pressures have been completely eliminated.
The hydraulic unit must be serviced each year as indicated below:
a) Depressurise the unit and disconnect it from the power supply. Clean the hydraulic tank
lid to prevent foreign bodies from falling into the tank when the lid is removed.
b) Remove the suction pipe from the connection with the hydraulic pump and the tank lid.
c) Separate the lid and the suction pipe from the hydraulic tank. Inspect the bottom of the
tank for sediments. If there is sediment present, the tank must be emptied completely
and the bottom must be cleaned, eliminating all the sediment and filling it once more
with new hydraulic fluid.
d) Clean the suction pipe and its connections.
e) Replace the oil suction filter.
f) Fit the suction pipe in the tank and fit the lid. Connect the suction pipe to the hydraulic
pump.
g) Check that the hydraulic pump is full of fluid and proceed with the normal operation.
