Emerson SZO22, SZV22 manual Routine Maintenance, Maintenance summary

Single-Compressor Module Operation

4.0Maintenance

4.1Routine 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		Maintenance	Reason	For details, see:
		• Monitor and check the oil level.		4.3 - Oil Sevice
				(page 19)
			A low oil level or loss
			of oil in the system will	4.3 - Oil Service
		• Add oil as needed.	result in overheating or
				(page 19)
			mechanical failure.
Lubrication
		• Change oil annually.
& Cooling			A high oil level may result	4.3 - Oil Service
		Note: Some applications may require more
System			in excessive oil carryover	(page 19)
		frequent service.
			and oil discharge from
		• Check the condition of the lubricant	the Compressor Module
		periodically. Normal color is clear or light	when the Compressors	—
		gray.	are turned off.
		• Change the oil filter (if equipped) annually		—
		or as required.
Gas Inlet		• Inspect and clean the inlet screen annually	A restricted inlet screen	4.6 - Cleaning
				the Inlet Screen
System		or more often as needed.	will result in reduced flow.
				(page 21)
			A restricted scavenge	4.7 - Servicing
		• Inspect and clean the scavenge line orifice		the Scavenge
			line orifice will result in
		annually or more often as needed.		Line Orifice
Second-			excessive oil carryover.
				(page 21)
Stage
		• Change the second-stage oil separator		4.8 - Changing
Separator			A dirty or plugged
		element annually or more often if
System			separator element will	the Second-
		contaminated.
			result in excessive oil	Stage Separator
		Note: Some applications may require more		Element
			carryover.
		frequent service.		(page 24)
Oil Heat		• Ensure heat exchanger cooling fins are clear
		of dust and debris.	—	—
Exchanger
		• Verify that the fans run freely.

See 5.0 - Troubleshooting on page 22 for additional details.

17 2008SSD-34 (5/11)