SERVICE MANUAL A-ERGO
SERVICE MANUAL A-ERGO
Hy
Hydr
drau
aulliic s
c sys
yste
tem / R
m / Re
epa
paiir i
r in
nst
strru
uct
ctiio
on
ns / H
s / Hyd
ydrra
au
ullic
ic sy
sys
ste
tem
m
8
8.1
.15
5
Connections
Connections
Couplings should be fitted according to
Couplings should be fitted according to the tightening torque specified in
the tightening torque specified in section 1. W
section 1. Wee
recommend couplings with elastic seals. Such
recommend couplings with elastic seals. Such couplings are necessary for control valves.
couplings are necessary for control valves.
Ring couplings do not seal at
Ring couplings do not seal at the low torque generally applicable for
the low torque generally applicable for proportional valves.
proportional valves.
Connect pipes and hoses in accordance with the
Connect pipes and hoses in accordance with the hydraulic diagram. Pay attention to the
hydraulic diagram. Pay attention to the
connection designations. Do not use force; and
connection designations. Do not use force; and avoid building-in tensions in pipes, etc,
avoid building-in tensions in pipes, etc,
Start up
Start up
Check that everything is connected in accordance with
Check that everything is connected in accordance with the hydraulic diagram. Set the
the hydraulic diagram. Set the
pressure limiting valves down to a very low pressure if they are
pressure limiting valves down to a very low pressure if they are not sealed. Start up with
not sealed. Start up with
low pressure and volume flows.
low pressure and volume flows.
T
Test the function and ti
est the function and tightness of the system. Clean
ghtness of the system. Clean the system by allowing the oil
the system by allowing the oil to pass
to pass
over the filter for a
over the filter for a while, without loading the system (replace the filter insert at the
while, without loading the system (replace the filter insert at the
recommended intervals). Check the oil level.
recommended intervals). Check the oil level. Set the pressure and volume flows
Set the pressure and volume flows slowly
slowly
to the
to the values they should
values they should have. Check the connected measuring equipment r
have. Check the connected measuring equipment regularly
egularly,,
where appropriate. Pay attention to
where appropriate. Pay attention to the noise l
the noise level; abnormal noise indicates defects. Test
evel; abnormal noise indicates defects. Test
during variable loads that components are correctly fitted, and that the system is tight.
during variable loads that components are correctly fitted, and that the system is tight.
In the event of the r
In the event of the return of equipment to the manufacturer, protect polished surfac
eturn of equipment to the manufacturer, protect polished surfaces
es
from damage and dirt
from damage and dirt by covering them with
by covering them with foil and protective paper. Fit plastic plugs
foil and protective paper. Fit plastic plugs
in all connections. Send the
in all connections. Send the complete component, not loose parts.
complete component, not loose parts.
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