2205B0JE-DA-J-N_2014.05.
5 Maintenance and Inspection
Screw Compressor J-series
5.2 Maintenance List
5-5
5.2.2 Periodical
inspection
Inspect the following points at specified intervals.
Table 5-3 Periodic Inspection Items
Item
Inspection Interval
Remarks
Pressure sensors
Annually
Temperature sensors
Annually
Protective devices and
safety valves
Annually.
Suction strainer
Inspect 500 operating hours
after start
If the differential pressure between the front
and back of the suction strainer increases,
inspect and clean the suction strainer.
Inspect and clean annually.
Lubricant
Replace 500 operating hours
after start
Analyze lubricant at intervals
of 6 months.
If the analysis results do not satisfy the
management criteria provided in "5.3
Management of Lubricant", in
this
manual, replace oil.
Oil filter
Replace annually
When the differential pressure between oil
filter inlet and outlet is beyond pressure of
the manufacture specification, replace the
oil filter element.
Cooling water side of oil
cooler
Annually
Clean it if it is confirmed to be contaminated
heavily.
Cooling water side of
condenser
Annually
Clean it if it is confirmed to be contaminated
heavily.
Mechanical seal
Annually or every 8,000
operating hours *
To be replaced if any abnormality is found
However, in the case that it is difficult to
stop the operation not at regular inspection,
replace the mechanical seal assembly at
every inspection.
Coupling
Annually or every 8,000
operating hours *
Note*: Inspect the machine per period or operating hours, whichever is shorter.
