Operation Manual / Power2 / 1 Introduction
1 Introduction / 1.5 Storage of new low-pressure and high-pressure
stages
© Copyright 2017 ABB. All rights reserved. HZTL4004_EN Revision D June 2017
Long-term storage of replacement low-pressure and high-pressure stages or
replacement cartridge groups
ABB Turbo Systems will prepare low-pressure and high-pressure stages or cartridge groups
for long-term storage if requested in the purchase order. The package is equipped with a hy-
grometer (see illustration).
Fig.3: Package with hygrometer
Every 6 months, the following measures are required:
u Check the hygrometer(02) in the sight-glass. There is an opening(01) in the wooden
crate to enable you to perform this check. If the 70% indicator field has changed colour,
the maximum admissible atmospheric humidity has been exceeded. In this case, the low-
pressure or high-pressure stage or the cartridge group must be checked and repackaged
by an ABB Turbocharging Service Station.
u Check the package for damage. If the package is damaged, the low or high-pressure
stage or the cartridge group must be checked and repackaged by an ABB Turbocharging
Service Station.
After every 3 years, the following steps must be carried out by an ABB Turbocharging Service
Station:
¡ Checking the component
¡ Replacing the desiccant
¡ Repackaging the component.
Replacement components which are ready for operation
If the 70% field of the hygrometer (02) has not changed colour and the package is not dam-
aged, the replacement low-pressure or high-pressure stage or the replacement cartridge
group can be put into operation without previously having been checked by an ABB Tur-
bocharging Service Station.
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