2200M4JE-HO-iS2-N_2014.04.
Chapter 5 Maintenance and Inspection
Screw Compressor i-series
5.2 Maintenance and Inspection List
5-5
5.2.3 Guidelines for Compressor Overhaul Interval
When servicing or overhauling the compressor, follow the instructions and guidelines described below.
The compressor overhaul interval is largely affected by the compressor operating conditions, type and
status of refrigerant and oil, and the system/equipment in which the compressor is operated. The table
below lists overhaul intervals recommended by MAYEKAWA which are categorized based on the
compressor operating conditions.
Table 5-4
Standard Package Operation Conditions and Overhaul Interval Guidelines
Category of operating condition
Application example
Recommended Overhaul
Interval
Relatively stable operating condition
Refrigeration and cold
storage
Every 5 years or 40,000
operating hours
Relatively changing operating condition
Ice maker/chiller
Every 4 years or 30,000
operating hours
Frequently started/stopped, and relatively
changing operating condition
Heat pump
Every 3 years or 20,000
operating hours
Note 1: The above guidelines are only applicable when the compressor is operated within the operation
limits specified separately.
(Refer to section 2.3.2 "Operation Limits" in this manual.)
Note 2: The above guidelines are only applicable when the compressor undergoes daily and periodic
inspections specified separately.
(Refer to section 5.2.1 "Daily Management" in this manual.)
Note 3: Inspect the compressor at the intervals of specified period or operating hours, whichever comes
first.
Note 4: The above guidelines do not constitute any warranty.
