Periodic Inspection - mycom i125S Instruction Manual

5.2.2

Periodic Inspection

Check the following items at specified intervals.
In addition, observe relevant laws and regulations on the inspections and recording of the results that
are provided for other related items such as any safety devices (e.g. gas leak detectors), or other utility
(gas/electricity) protection devices that constitute the cooling package unit together with the
compressor.
Item
Pressure gauge/
pressure sensor
Temperature/
temperature sensor
Protection devices
and Safety valves
Suction strainer
Lubricating oil
Oil filter element
Cooling water side of
oil cooler
Cooling water side of
condenser
Mechanical seal
section
■ Inspection frequency is the specified period after delivery or operating hours, whichever comes first.
Screw Compressor i-series
Table 5-3 Periodical Inspection Items
Inspection Interval
Once per year
Once per year
Operation test and clean once per year
Check after 500 hours from the initial
operation.
Check and clean once per year.
Analyze oil after 500 hours from the
initial operation.
Analyze oil every 6 months.
Replace once per year.
Once per year
Once per year
Check once per year or per 8,000
operating hours.
Chapter 5 Maintenance and Inspection
If the pressure difference between
the front and back of the suction
strainer increases, check and clean
the suction strainer.
When the analysis results do not
satisfy the management criteria
provided in Chapter 4 Section
4.1.5, replace oil.
Replace oil filter element if the
differential pressure between the
inlet and outlet ports of the oil filter
exceeds 0.1 MPa.
Clean if excessively contaminated.
Clean if excessively contaminated.
To be replaced if any abnormality is
found.
If it is difficult to stop the
compressor operation except for
scheduled inspections, replace the
mechanical seal assembly at each
inspection.
5.2 Maintenance and Inspection List
5-5
2203M4JE-MY-iS2-N_2017.04.
Remarks