M Aintenance; Routine Maintenance; Table 3 Maintenance Summary - Emerson Copeland Scroll SZO22 Installation, Operation & Maintenance Manual

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Single-Compressor Module
4.0
m
aiNteNaNCe
4.1

Routine Maintenance

Perform the maintenance procedures in Table 5 at least once per year or more often if needed.
Oil consumption varies by application and during initial operation. Monitor the oil level routinely to
determine a consistent pattern of actual consumption.
Table 3
Maintenance summary
Components
Lubrication
& Cooling
System
Gas Inlet
System
Second-
Stage
Separator
System
Oil Heat
Exchanger
See 5.0 - Troubleshooting on page 22 for additional details.
Maintenance
• Monitor and check the oil level.
• Add oil as needed.
• Change oil annually.
Note:
Some applications may require more
frequent service.
• Check the condition of the lubricant
periodically. Normal color is clear or light
gray.
• Change the oil filter (if equipped) annually
or as required.
• Inspect and clean the inlet screen annually
or more often as needed.
• Inspect and clean the scavenge line orifice
annually or more often as needed.
• Change the second-stage oil separator
element annually or more often if
contaminated.
Note:
Some applications may require more
frequent service.
• Ensure heat exchanger cooling fins are clear
of dust and debris.
• Verify that the fans run freely.
Reason
A low oil level or loss
of oil in the system will
result in overheating or
mechanical failure.
A high oil level may result
in excessive oil carryover
and oil discharge from
the Compressor Module
when the Compressors
are turned off.
A restricted inlet screen
will result in reduced flow.
A restricted scavenge
line orifice will result in
excessive oil carryover.
A dirty or plugged
separator element will
result in excessive oil
carryover.
17
Operation
For details, see:
4.3 - Oil Sevice
(page 19)
4.3 - Oil Service
(page 19)
4.3 - Oil Service
(page 19)
4.6 - Cleaning
the Inlet Screen
(page 21)
4.7 - Servicing
the Scavenge
Line Orifice
(page 21)
4.8 - Changing
the Second-
Stage Separator
Element
(page 24)
2008SSD-34 (5/11)

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