Zuwa Solarcheck Mobilcenter UNISTAR 2000-A, Operating Instructions Manual

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ZUWA SOLARCHECK MOBILCENTER
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6.3 Disassembling the pump
1. Disconnect line connections
2. Unscrew bolts on the pump side
3. Remove cover and side disc
4. Pull housing with impeller and rear side disc off the shaft
6.4 Replacing components
Outlet
Intake Impeller
To change the impeller we recommend to use a
special tool. See chapter 8, Accessories.
>
Push impeller out of the casing
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Insert a new impeller. Observe direction of
impeller wings (see adjacent illustration):
Impeller wings must be bent to the
opposite side of the rotating direction.
Lateral discs
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Turn around or replace
Seals
>
Replace O-rings and push firmly into the recesses
Replacing shaft gasket:
1. Remove retaining ring with suitable pliers
2. Push out bearing and shaft gasket
3. Push in new shaft gasket and bearing
4. Insert retaining rings
6.5 Assembling the pump
Assembly of the pump is the reverse of disassembly – see exploded drawing.
1. Connect lateral disc with punched hole to the rear of the casing
2. Push casing with impeller and second lateral disc onto the shaft
3. Insert and tighten bolts
4. Attach
lines
The lateral discs and O-rings must lie precisely in the recesses to ensure
that the O-rings are not pinched.