2205B0JE-DA-J-N_2014.05.
5 Maintenance and Inspection
Screw Compressor J-series
5.2 Maintenance List
5-6
5.2.3 Guidelines for Compressor Overhaul Frequency
When servicing or overhauling the compressor, follow the instructions and guidelines described below.
The compressor inspection frequency significantly differs depending on the operating conditions,
refrigerant in use, type and condition of lubricant, and the system in which the compressor is operated.
The table below indicates the overhaul frequency recommended by
based on the
operating conditions of the compressor.
Table 5-4 Standard Package Operation Conditions and Overhaul Frequency Guidelines
Category of Operating Condition
Application Example
Recommended Overhaul
Frequency
Relatively stable operating condition
Cold storage and
refrigeration
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 conditions
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 which are specified separately. (See "2.3.2 Operation Limits" in this manual.)
Note 2: The above guidelines are only applicable when the compressor undergoes daily and periodical
inspections specified separately. (See "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.
