Operation Manual / 4 Product description / A100-L
6 Periodic maintenance / 6.6 Draining the gas outlet casing
© Copyright 2018 ABB. All rights reserved. HZTL4034_EN Revision N November 2018
6.6 Draining the gas outlet casing
If there is a boiler leak into the exhaust gas pipe or an ingress of water due to other causes,
the gas outlet casing can be drained.
Fig.20: Drain pipe diagram
01 Drain pipe A Position 1
02 Drain cock B Position 2
03 Drain
04 Air line from compressor casing
u On the drain pipe(01), set the drain cock(02) to position1(A).
If the drain pipe(01) is blocked:
u Set the drain cock(02) to position2(B) and clean the drain pipe(01) with air from the
compressor casing(04).
If cleaning with air is not sufficient, the drain pipe(01) must be cleaned mechanically.
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