The purpose of inspection for ACB is to prevent the accidents in advance and maintain the
performance of it by changing timely the consumable and deteriorative parts. Please make sure
the following guideline specified the method for inspection & cycles before using of the
equipment.
■ Maintenance cycle upon using condition
M. Inspection and troubleshooting
1. Inspection and maintenance cycle
Using
condition
Environments Specific examples
Inspection
cycle
Replace
ment
cycle
General
environment
for a use
Location with
clean & dry air
Electrical rooms
with dust proof
& air-conditioner
Once every
2 years
Within
approx.
10 years
Indoor location
with little dust
Location without
corrosive gases
Distribution panel or
individual electrical
room without dust proof
& air conditioner
Special
environment
for a use
Location with
salinity, high
temperature gases
such as sulphur
dioxide and hydrogen
sulphide
Geothermal power
plants, waste water
treatment plants,
steel mills, paper
factories, pulp
factories, etc.
Once every
1 year
Within
approx.
7 years
Locations with
harmful or corrosive
gases where humans
cannot stay for a
long time
Chemical factories,
quarries, mining
areas, etc.
Once every
half a year
Within
approx.
5 years
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