Operation Manual / A100-L
7 Periodic maintenance / 7.6 Draining the gas outlet casing
© Copyright 2021 ABB. All rights reserved.
HZTL4034_EN
Rev.T
December 2021
7.6
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. 24: 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.
Page
61
/
141