Section 8
MAINTENANCE
49
8.1 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 fluid filter, air fil-
ter and fluid separator, will alert you when service
maintenance is required. See instructions for each
item in Section 8.7, Parts Replacement and
Adjustment procedures.
8.2 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 the
addition of fluid becomes too frequent, a simple
problem has developed which is causing this
excessive loss. See the Troubleshooting Section
under Excessive Fluid Consumption for a probable
cause and remedy.
After a routine start has been made, observe the
instrument panel gauges to be sure they monitor
the correct readings for their particular phase of
operation. After the compressor has warmed up, it
is recommended that a general check on the over-
all compressor and instrument panel be made to
assure that the compressor is running properly.
8.3 MAINTENANCE AFTER INITIAL 50 HOURS OF
OPERATION
After the initial 50 hours of operation, a few mainte-
nance requirements are needed to clean the sys-
tem of any foreign materials. Perform the following
maintenance operations to prevent unnecessary
problems.
1. Clean the return line strainer.
2. Clean the return line orifice.
8.4 MAINTENANCE AFTER FIRST 1000 HOURS
After 1000 hours of operation, it will be necessary
to perform the following:
1. Clean the return line strainer.
2. Replace the fluid filter element and gasket.
8.5 MOTOR BEARINGS
Grease motor per manufacturer’s recommenda-
tions.
8.6 FLUID MAINTENANCE
Drain the sump and change the compressor fluid
per recommendations in Section 3, Specifications.
Standard models are filled with Sullube. Sullube
should be changed under the following conditions,
whichever occur first:
1. Every 8000 hours.
2. Once a year.
3. As indicated by fluid analysis.
A fluid sample at every 1000 hours is recommend-
ed. For a free Sullube analysis, send fluid to:
Dow Chemical
Lubricant Technology Center
Building B-1605
Freeport, TX 77541
To facilitate this, a sample bottle is included with the
compressor.
8.7 PARTS REPLACEMENT AND ADJUSTMENT
PROCEDURES
Please familiarize yourself with the safety guide-
lines offered in Section 1, Safety of this manual
before attempting any maintenance on the pack-
age.
FLUID FILTER MAINTENANCE
Refer to Figure 8-1. Replace your fluid filter element
and the gasket under any of the following condi-
tions, whichever occurs first:
1. As indicated by the maintenance indicator.
2. Every 1000 hours of operation.
Figure 8-1 Fluid Filter (P/N 02250054-605)
*Repair Kit P/N 250025-526
DO NOT remove caps, plugs, and/or other com-
ponents when compressor is running or pressur-
ized.
Stop compressor and relieve all internal pressure
before doing so.
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