multi EA 5100
Maintenance and care
163
14.14.5 Replacing the pump hose of the condensate pump
WARNING
Risk of chemical burns
Residue of 40 % phosphoric acid can still be found in the pump hose. Phosphoric acid
can irritate eyes, skin and mucous membranes.
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Wear protective clothing when handling the concentrated acid.
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Observe all notes and specifications in the safety data sheet.
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Check the condensate pump for leaks every 3 months. If any liquid is escaping from
the pump hose, replace the pump hose.
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When the pump body and the roller carrier are heavily damaged, they must be re-
placed. Inform customer service for this.
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Press the bracket on the condensate pump to the left.
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Remove hoses 85 and 86 from the pump's connections.
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Remove the guide piece with the pump hose from the pump body.
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Check the pump hose and the connections on excessive wear and cracks.
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Wipe the pump body and roller carrier with ultrapure water.
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Check the pump body and roller carrier for wear.
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Push the intact or new pump hose back into the guide piece.
During installation, the hose clamps must be turned downwards.
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Push the hose guide into the groove on the guide piece.
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Position the guide piece with the hose around the pump body again. Press the guide
piece down with one hand to do this. Move the bracket to the right until it engages
with the other hand.
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Press hoses 85 and 86 back onto the metal connections of the pump hose.
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Check the system for leaks.
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The detection module is ready for operation again.
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Figure 79Installing the pump hose in the guide piece
1 Guide piece
2 Groove
3 Hose clamp
4 Metal connection
