Removal And Installation Of The Drain Pump - Nordmann AT4 Operating Instructions Manual

6.3.4

Removal and installation of the drain pump

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For removing the drain pump the steam cylinder must be removed first (see
chapter 6.3.1).
1. Detach electric cables (polarity of the cables must not be observed).
2. Release hose clamps and remove the hoses from the connectors.
3. Undo the two screws on the bottom of the housing with Phillips screw­
driver, then remove drain pump.
4. Separate the electric motor from the pump body: release the lock on
the bayonet catch, then counter­rotate the electric motor and the pump
body.
the assembly and the installation of the drain pump follows the reverse
sequence. Before assembling the pump, check O­ring for damage and
replace if necessary. Then, place the O­ring on the centering collar and
moisten the O­ring with water.
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