ABB A140-H55 - Page 71

Operation Manual / 4 Product description / A130-H.. - A140-H..
5
Operation and service
Page 39 /
115
© Copyright 2015 ABB. All rights reserved.
HZTL4030_EN
Revision C
September 2015
5.2.5 Other service work
If a protective grid is installed in the radial or axial gas outlet casing (61001) by ABB Turbo
Systems:
Figure 21: Replacing the protective grid
 Remove the protective grid (61205) after 50000 hours and replace it with a new one.
Pre-mix gas engines
CAUTION
Replace the protective grid of pre-mix gas engines after 20000 hours
Applications on pre-mix gas engines result in a high thermo-mechanical load
on the protective grid. To ensure proper functionality of the protective grid
even under these conditions, the protective grid of pre-mix gas engines must
be replaced after 20000 hours.
 Replace the protective grid of pre-mix gas engines after 20000 hours.