Disassembling The Pump; Service Guide | Disassembling And Assembling, App - Danfoss APP 21-43 Service Manual

Service guide | Disassembling and Assembling, APP 21-43

2. Disassembling the
pump
© Danfoss | DCS (im) | 2017.06
1. Disconnect the pump and motor from the
system. Remove non-return valve and
connector from the pump.
3. Remove ceramic ring from flange by
gently pushing it from the back of the
sealing ring.
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.
2. Using a 10 mm combination wrench,
unscrew the four bolts from shaft seal
flange.
If shaft seal flange is stuck, screw in two
bolts in holes in the flange to remove it.
4. Mount the M8 allen screw from the tool
set in the top of the shaft.
5. Wet the shaft and shaft seal with clean
filtered water.
7. Turn pump into vertical position with shaft
pointing downwards.
180R9121 | 521B1018 | DKCFN.PI.013.A6.02 | 3