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7 | Performing maintenance
HYDAC FILTER SYSTEMS GMBH
64 / 80
BeWa OF5 CM 3580053c en-us print
7.3 Cleaning the protective screen
To protect the pump from coarse contaminant particles or for-
eign bodies, a protective screen is installed in the suction
lance. Clean the strainer regularly. Check the protective screen
immediately in the event of insufficient suction or delivery ac-
tion.
NOTICE
Operation without the protective screen
The filter unit will be damaged/destroyed
u
Always operate the filter unit with a protective screen.
Item
Description
1
Suction hose
2
Suction lance
3
O-ring
4
Protective screen
5
Protective pipe
6
Protective screen set consisting of:
- Protective screen
- O-ring
- protective pipe
Tab. 6: Suction lance with protective screen
To clean the protective screen, proceed as follows:
ü
Switch the filter unit off at the main switch.
ü
Wear gloves.
ü
Remove the pressure and suction lances from the con-
tainers/reservoirs.
ü
Empty the suction hose into a suitable container, dirt
tank etc.
1.
Rotate the protective pipe (5) away from the suction
lance (2) in counterclockwise direction.
2.
Remove the protective screen (4) from the protective
pipe.
1
2
3
4
5
6
7
8
9