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4
Care and Maintenance
Danger of death due to electric shock!
Prior to work on the pump, always disconnect the drive from the power supply.
Danger of environmental damage due to hazardous pumped media!
Collect escaping pumped media and dispose of according to the locally applicable
regulations.
Connections: Check regularly if hose couplings are tight.
Cleaning the filter: There is a built-in fine filter on the suction side of the pump to filter out sold
and welder residues. Check the inspection window at the filter regulraly and clean the filter when
you see dirt deposits on the strainer:
Screw off the filter casing (8), remove the strainer and clean both with rinsing water or com-
pressed air.
4.1
Disassembling the pump (only for ROSOLAR PUMP PLUS)
Disconnect line connections.
Unscrew bolts on the pump side.
Remove cover and side disc.
Pull housing with impeller and rear side disc off
the shaft.
4.2
Replacing components (only for ROSOLAR PUMP PLUS)
Impeller
To change the impeller we recommend to use a
special tool (s. page 62).
Push impeller out of the casing.
Insert a new impeller. Observe direction of
impeller wings!
Lateral discs
Turn around or replace.
Seals
Replace O-rings and push firmly into the recesses.
Replacing shaft gasket:
Remove retaining ring with suitable pliers.
Push out bearing and shaft gasket.
Push in new shaft gasket and bearing.
Insert retaining rings.
4.3
Assembling the pump (only for ROSOLAR PUMP PLUS)
Assembly of the pump is the reverse of disassembly:
Connect lateral disc with punched hole to the
rear of the casing.
Push casing with impeller and second lateral
disc onto the shaft.
Insert and tighten bolts.
Attach lines.
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