Operation Manual / 4 Product description / A100-L
6
Periodic maintenance
Page 50 / 113
© Copyright 2016 ABB. All rights reserved.
HZTL4034_EN
Revision H
November 2016
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.
Figure 20: Drain pipe diagram
01
Drain pipe
A
Position 1
02
Drain cock
B
Position 2
03
Drain
04
Air line from compressor casing
On the drain pipe (01), set the drain cock (02) to position 1 (A).
If the drain pipe (01) is blocked:
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.
