Page 23 of 28 – Operation and Maintenance Instructions for Offline Filtration Trolley OFT20 & OFT-HV
Document No: E1412015-1488-M-02
HYDAC Pty Ltd - 109-111 Dohertys Road, Altona North, Victoria 3025, Australia
Telephone: +61 (03) 9272 8900 ; Fax: +61 (03) 9369 8912 ; Website:
Clean or replace the suction strainer insert (3) at regular intervals. To do so,
proceed as follows:
1. Unscrew the screw plug (1) counterclockwise with a wrench.
2. Remove the strainer insert (3) and clean it by washing it out with solvent or air-
cleaning it using compressed air
3. Check strainer insert (3) and sealing ring (2) on the screw plug (1) for damage.
Replace if necessary.
4. Install the new strainer insert (3) in the suction strainer.
5. Screw in the screw plug (1) by hand in a clockwise direction with a wrench (50
mm) and tighten it securely.
6. Check the suction strainer for leaks after commissioning.
The entry of air causes a loud noise and can damage the pump.
7. Cleaning/replacing the suction strainer is complete.
