Recommended Maintenance Schedule; Service At 50 Operating Hours; Service Every 1000 Operating Hours; Service Every 2000 Operating Hours - Sullair ShopTek ST18 Operation & Maintenance Manual

6: Maintenance
6.3 Recommended maintenance
schedule
Table 6-1: Standard maintenance intervals
(all hours are operating hours)
Fluid Fluid
1 year or
®
Sullube 1000 hours
10,000 hours
If multiple intervals are listed, change the item at
1
whichever interval is reached first.
2
If the compressor is in a dusty environment, you
should service the fluid and air filters more frequently.
Service intervals may be extended if the com-
pressor is installed in a clean, cool environment.
Contact your Sullair representative for advice on
the correct service intervals for your installation.
6.3.1

Service at 50 operating hours

• Replace the fluid filter element.
• Check the condition of the purge oil return line
filter and replace the filter if necessary.
• Tighten all electrical connections.
• Assess the condition of the air filter element. If
it is excessively dirty, you may need to replace
it more frequently than the normal schedule
(every 2000 hours).
6.3.2

Service every 1000 operating hours

• Replace the fluid filter element(s).
• Inspect the air filter element and replace it if
necessary.
28
ST18 & ST22 (U.S.A. & Mexico) Operation & Maintenance Manual
1
Change intervals
Fluid/air
Fluid separator
2
filter element Air filter
6 months or
2000 hours
4000 hours
NOTE
Subject to EAR, ECCN EAR99 and related export control restrictions.
• Check the condition of the purge oil return line
filter and replace the filter if necessary.
• Tighten all electrical connections.
6.3.3

Service every 2000 operating hours

Perform all checks listed for every 1000 hours plus:
• Replace the air filter element.
2
• Grease the main motor bearings.
• Use POLYREX EM grease unless the
motor nameplate indicates a different
grease model.
• Refer to the motor nameplate for grease
filling volume and filling locations.
• Take a sample of the compressor fluid and
send it for analysis.
• Change the compressor fluid (Sullube
the analysis indicates it is necessary.
6.3.4 Service every 4000 operating hours
(or semi-annually)
Perform all checks listed for every 1000 and 2000 hours
plus:
• Replace the fluid/air separator element and
purge oil return line filter.
• Inspect the flexible drive coupling and service it
if necessary.
• Tighten all nuts, bolts, pipe fittings and electri-
cal connections.
• Check that all safety devices are operating cor-
rectly.
6.3.5

Service every 10,000 hours (or yearly)

Perform all checks listed for every 1000, 2000, and 4000
hours plus:
• Change the compressor fluid (Sullube
88291013-137 R05
®
) if
®
)