Marco Marco 1000680, Service Manual

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Service manual April 2017 Uber boiler
3.4 UBER BOILER PUMP REPLACEMENT
Remove the back panel for access to the Nikkiso pump. In the photo below, the water feed
from the tank and the pump outlet tube going up to the font can be clearly seen.
To replace the pump, remove the two mounting screws from the pump mounting bracket.
Release the tube clamps and remove the input and output tubing from the pump.
Disconnect the pump wiring at the bullet connectors.
Install the replacement pump using the steps above in reverse order.
Note: The orientation of the pump head may need to be changed to the orientation shown
above.
To change the orientation of the pump head, remove the four retaining screws, rotate the
head to the required position and replace the four retaining screws.