D
GB
F
E
I
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96389-08.2019-DGbFEIRu
7.5 Decommissioning
Close the shut-off valves on the compressor. Drain the refrigerant (it must not be discharged into the
environment) and dispose of it according to the regulations. When the compressor is depressurised,
undo the fastening screws of the shut-off valves. Remove the compressor using an appropriate hoist.
Dispose of the oil inside in accordance with the applicable national regulations.
7
|
Maintenance
7.4 Screw connections
Only use original GEA spare parts!
Information on available replacement parts can be obtained from the replacement parts list.
Further repair work can only be carried out at the factory.
The following torques must be used when re-assembling the compressor.
Cylinder cover/bearing cover
M10
75 Nm
Oil filler plug/oil drain plug/oil sump heater
M22 x 1.5
100 Nm
Flange connection,
soldering supports for shut-off valves
7
/
16
"
M10
M12
13 Nm
60 Nm
90 Nm
Plug
1
/
8
"
NPTF
25 Nm
Rotor
M12
65 Nm
Valve body LR 14
M10
75 Nm
Screw-in part INT250 Ex
M20 x 1.5
55 Nm
INFO
If system function must be guaranteed with certainty, we recom-
mend a standby compressor.
INFO
Cylinder head / valve plate: starting from the middle, tighten screws
crosswise in at least two steps (torque 50 / 100 %).
EX-HG56e / ...
850-4 (S)
995-4 (S)
1155-4 (S)
Designation
Item No.
Item No.
Item No.
Set of gaskets
81658
Set of valve plate
81500
81501
Set of oil pump
81503
