- Remove the filter elements
- Cleaning of the filter housing. Pay attention, that no dirt and no cleaning fluid get to the clean side (that means through the open
centering pivot into the filter elements)
- Peplace the new or the cleaned filter elements
- Place the retaining plate and thightening the nuts at the threaded rod, until all filter elements are axially fixed
(DSF 1201-150001)
- Fix the filter lid onto the filter housing and tighten the screw plugs. The screw have to be tightened over cross and have to be
tightened again after the first pressure load
- Closing of the drain plugs
- Opening of the pressure balance valve until bubble-free operating fluid flows out of the air-bleed connection
- Close the pressure balance valve and the air-bleeder
Now, the serviced filter side is ready for operation.
In general take care about the absolute cleanness during the changing of elements. No dirt respectively no impurities should
penetrate the filter. The new elements should be taken out of their packing shortly before they are replaced in the filter housing
because of mechanical damage.
During the changing of elements control the seals and their quality. Damaged seals have to be replaced by new ones.
Concerning the bolted connection at the filter lids the following turing moments are prescribed.
M16
M20
M24
M27
M30
M33
80 +/-8 Nm
160 +/-15 Nm
250 +/-25 Nm
400 +/-40 Nm
600 +/-60 NM
700 +/70 Nm
5. Cleaning of the Filter Element
Filter elements with filter materials such as glass fibre (VG) or paper (P) are not cleanable. They have to be replaced after the dirt
retention capacity has been reached. Filter elements with filter materials such a wire mesh (G) are cleanable and could be used
again.
The cleaning of the filter elements has to be carried out according to the cleaning specification for INTERNORMEN-Filter
elements (metal), sheet-no. 21070-4 and 39448-4.
6. Pressure Difference Measuring
In case of filters installed with clogging indicators a permanent measuring of the pressure difference takes place. The indication
corresponds to the kind of clogging indicators; either visual or visual and electrical respectively electronical.
Additionall
y the measuring connections G ¼“ could be installed on the selector shaft to be used for external pressure gauges.
Recommended are the measuring connections according to data sheet 1650.
7. Special application
Differing from the ordinary operation of the filter the filter can be used for system-dependent special operating modes.
- Operation in explosive areas
There are additional requirements for filters that are installed in explosive areas according to the
INTERNORMEN documentation No. 41269
“Addition to the operating and maintenance instructions for the application of filters in explosive areas”.
- Flushing operation for machines with an increased rate of delivery
There is an additional INTERNORMEN Documentation No. 51354 which is valid for the flushing operation with an increased
rate of delivery
“Addition to the operating and maintenance instructions for the flushing operation in machines”.
8. Service
The service will be performed by
EATON Technologies GmbH
Friedensstr. 41
D-68804 Altlussheim
Germany
phone: +49(0)6205-2094-0
fax:
+49(0)6205-2094-40
Special questions about the operation of the filter will also be answered within this area.
Spare parts respectively wearing parts have to be ordered according to the spare part list of the filter-data-sheet.
Manual and maintenance instructions
for INTERNORMEN-Pressure filter, change-over
DSF 1201-15001, DSF 1205-10005
Sheet No.
21631-4B
Page 2/2
EDV 08/12 - Englisch
+49 (0)6205 2094-0
+49 (0)6205 2094-40
phone
fax
Friedensstrasse 41, 68804 Altlussheim, Germany
e-mail
url
