Instruction
Disassembling and assembling APP 21-43
3
180R9121 / 521B1018 / DKCFN.PI.013.A4.02 / 10.2013
3. Disassembling
the pump
1. Disconnect the pump and motor from the
system.
Remove non-return valve and
connector from the pump.
2. Using a 10 mm combination wrench, unscrew
the four bolts from shaft seal flange.
If shaft seal flange is stuck, place two bolts in
screw holes in shaft seal flange to remove it.
4. Mount the M8 allen screw from the tool set in
the top of the shaft.
3. Remove ceramic ring from flange by gently
pushing it from the back of the sealing ring.
5. Wet the shaft and shaft seal with clean filtered
water.
7. Turn pump into vertical position with shaft
pointing downwards.
6. Carefully remove the shaft seal assembly
using the shaft seal extractor supplied in the
toolset. The extractor must fit underneath
the shaft seal. Press the arms of the extractor
together when turning the bolt.
