Section 6
MAINTENANCE
23
6.1 GENERAL
As you proceed in reading this section, it will be
easy to see that the Maintenance Program for the
air compressor is quite minimal. The use of the
service indicators provided for the bearing filter, air
filter and fluid separator will alert you when service
maintenance is required. See instructions for each
item in Section 6.6, Parts Replacement and Adjust-
ment procedures.
WARNING
!
DO NOT remove caps, plugs, and/or other com-
ponents when compressor is running or pressur -
ized.
Stop compressor and relieve all internal pres-
sure before doing so.
6.2 DAILY OPERATION
Prior to starting the compressor, it is necessary to
check the fluid level in the sump. Should the level
be low, simply add the necessary amount. If t he
addition of fluid becomes too frequent, a simple
problem has developed w hich is causing this ex-
cessive loss. See the Troubleshooting Section (6.7)
under Excessive Fluid Consumption for a probable
cause and remedy.
After a routine start has been made, observe the
gauges and indicators to be sure they monit or the
correct readings for that part icular phase of opera-
tion. After the compressor has warmed up, it is rec-
ommended that a general check on the overall
compressor and gauges be made to assure that
the compressor is running properly.
6.3
MAINTENANCE AFTER INITIAL 50
HOURS OF OPERA TION
After the initial 50 hours of operation, a few mainte-
nance requirements are needed to rid the system
of any foreign materials. Perform the following
maintenance operations to prevent unnecessary
problems.
1. Clean t he return line strainer.
2. Clean the return line orifice.
6.4
MAINTENANCE EVERY 1000
HOURS
After 1000 hours of operation, it will be necessary to
perform the following:
1. Clean t he return line strainer.
2. Replace the fluid filter element.
6.5 FILTER MAINTENANCE
Replace your fluid filter element and the gasket un-
der any of the following conditions, whichever oc-
cur first.
1. As indicated by the maintenance gauge.
Figure 6---1 Filter Element Replacement
* Repair Kit P/N 250025---525
(P/N 250025 ---521)
*
*
2. Every 1000 hours.
3. Every 6 months.
4. Every fluid change.
6.6 PARTS REPLACEMENT AND ADJUSTMENT
PROCEDURES
FLUID FILTER ELEMENT REPLACEMENT
Refer t o Figure 6 --- 1.
1. Using a strap wrench, remove the old element
and gasket.
2. Clean gask et seating surface.
3. A pply a light film of fluid to the new gasket.
4. Hand tighten new element until new gasket is
seated in the gasket groove.
5. Continue tightening element by hand an addi-
tional !@2 to #@4 turn.
6. Restart compressor and check for leaks.
CAUTION
!
To minimize the possibility of filter element rup-
ture, it is important that ONLY replacement ele-
ments identified with the Sullair name, logo and
appropriate part number be used and that substi-
tuted elements NOT be used, due to the fact that
such filters may ha ve inadequate or questionable
working pressure ratings.
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