8
Note: Renew the blue filter mat after the third cleaning.
1. Disconnect the power cable (30). 2. Disassemble the safety adapter (13) and the pump head (17) (chapter
3, step 1 - 3). 3. Remove the prefilter (3). 4. Remove the blue filter mat (1). 5. Rinse the blue filter mat (1)
under running, lukewarm water (replace if required). 6. Empty the prefilter (3) and rinse it. 7. Insert the blue
filter mat (1) into the prefilter (3). 8. Insert the prefilter (3) with the blue filter mat (1) (place onto supports
➞ arrows). 9. Check and, if required, clean the seals and treat them with EHEIM care spray (No.
4001000). 10. The prefilter flap (4) must be unobstructed. 11. Attach the pump head (17) (observe fitting
position) and close the locking clips. 12. Put the filter system into operation (chapter 3, step 17 - 23).
6.1 Prefilter cleaning
1. Disconnect the power cable (30). 2. Disassemble the safety adapter (13) and the pump head (17) (chapter
3, step 1 - 3). 3. Remove the pre-filter, the filter cartridge with the screened cover and white filter fleece. Renew
the white filter fleece (6) during each cleaning process. 4. Remove all filter inserts. 5. Rinse the filter inserts
(7) and filter media with water until they are clean. 6. Empty the filter tank (10).
Note: Only carry out steps 7 to 8 during every third to fourth general cleaning. By mixing used and new sub-
strate media, the required bacteria cultures remain intact.
Caution: Do not overfill filter inserts as, otherwise, their accurate fit is no longer assured.
7. Leave one-third of the used EHEIM SUBSTRATpro and EHEIM bioMECH in the filter cartridge. 8. Re-fill two-
thirds of the used EHEIM SUBSTRATpro and EHEIM bioMECH. 9. If required, completely renew EHEIM MECH.
10. Re-insert all filters and filter inserts (chapter 3, step 8 - 10). 11. Clean the hose system using an EHEIM
universal cleaning brush (No. 4005570). 12. Insert the pre-filter (3) with the blue filter mat (1) (attach to parti-
tion wall’s socket ➞ arrows). 13. The pre-filter flap (4) must be unobstructed. 14. Check the seals and, if re-
quired, treat them with EHEIM care spray (No. 4001000). 15. Attach the pump head (17) (observe fitting posi-
tion) and close the locking clips (9). 16. Put the filter system into operation (chapter 3, step 17 - 23).
6.2 General cleaning
6.3 Cleaning the pump chamber
Caution: The caramic axis may break. Clean carefully!
1. Disassemble the safety adapter (13) and the pump head (17) (chapter 3, step 1- 3). 2. Turn pump cover (22)
and remove it. Grease the seal ring with EHEIM care spray. 3. Disassemble the pump wheel (21). 4. Clean pump
chamber, pump cover, pump wheel and lubrication duct with the EHEIM cleaning set (No. 4009560). 5. Pump
wheel (21) must be clean and unobstructed (arrows). Observe the installation position of the ceramic sleeve.
6. Insert the pump wheel (21) into the pump chamber. 7. Close pump chamber with the pump cover (22) ob-
serving the cutout and studs (arrows). 8. Disassemble the bracket (14) and the float (15) on the top side of
the pump head (17) and clean them. 9. Install the check valve (14/15) (observing the installation position; the
float must be unobstructed). 10. Attach the pump head (17) (observe fitting position) and close the locking clips
(9). 11. Put the filter system into operation (chapter 3, step 17 - 23).
7. What to do if . . .
Danger! When working at the filter, assure that no water gets into contact with electrical interfaces. Dis-
connect the power plug! In case of problems, visit our website www.eheim.de –
+49 (0) 71 53 - 70 02 183
. . . Top part of filter can’t be closed
Cause Solution
Filter inserts have been inserted wrongly. Push filter inserts and pre-filter in until they lie flush on top of each other.
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