ABB A175-L37 - Draining the Gas Outlet Casing; Fig. 20: Drain Pipe Diagram

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 position1(A).
If the drain pipe(01) is blocked:
u Set the drain cock(02) to position2(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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