2202L5JE-DA-C5-N_2015.05.
5 Maintenance and Inspection
Compound 2-stage Screw Compressor
5.2 Maintenance and Inspection List
1612LSC Speed Increaser Type
5-6
5.2.3 Guidelines for the Timing of Compressor Overhaul
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 shows the recommended interval of overhaul, as a guideline.
Table 5-4 Guidelines for the Timing of Overhaul Based on the Conditions of Use
(standard package)
Category of operating condition
Application
example
Guideline for the overhaul timing
Relatively stable operating condition
Cold storage and
refrigeration
Every 5 years or 40,000 operating hours
Relatively variable operating condition
Ice maker/chiller
Every 4 years or 30,000 operating hours
Frequently started/stopped, and
relatively variable 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 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 periodical
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.
