Section 6
MAINTENANCE
47
6.1 GENERAL
As you proceed in reading this section, it will be
easy to see that the Maintenance Program for the
Sullair Vacuum System is quite minimal. The use of
the service gauges provided for the inlet filter, fluid
filter and fluid separator, will alert you when service
maintenance is required. See instructions for each
item in Section 6.6 for Parts Replacement and
Adjustment Procedures.
6.2 DAILY OPERATION
Prior to starting the machine, 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
(6.7) under Excessive Fluid Consumption for a
probable cause and remedy.
After a routine start has been made, observe the
gauges to be sure they monitor the correct readings
for that particular phase of operation. After the
machine has warmed up, it is recommended that a
general check on the overall machine and gauges
be made to insure that the Vacuum System is run-
ning properly.
6.3 MAINTENANCE AFTER INITIAL 50 HOURS OF
OPERATION
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 mainte-
nance operations to prevent unnecessary prob-
lems.
1. Clean the return line strainer(s).
2. Clean the return line orifice(s) if so equipped.
3. Clean the vacuum unit gear housing, bearing and
shaft seal orifices. Care must be taken not to
damage the shaft.
4. Clean the fluid pump suction strainer.
6.4 MAINTENANCE EVERY 4000 HOURS
After 4000 hours of operation, it will be necessary to
perform the following:
1. Clean the return line strainer.
2. Lubricate the Sullicon Control linkage.
3. Replace the fluid filter element.
4. Drain the sump and change the vacuum pump
fluid.
5. Clean the fluid pump suction strainer.
6.5 MOTOR BEARINGS
Grease motor per manufacturer’s recommenda-
tions.
6.6 FLUID FILTER MAINTENANCE
Replace the fluid filter element and clean the fluid
pump suction strainer under any of the following
conditions, whichever occurs first:
1. As indicated by the filter maintenance gauge.
2. Every 4000 hours.
3. Every 6 months.
4. Every fluid change.
6.7 PARTS REPLACEMENT AND ADJUSTMENT
PROCEDURES
FILTER ELEMENT REPLACEMENT
Refer to Figure 6-1.
1. Using a strap wrench, remove the old element
and gasket.
2. Clean the gasket seating surface.
3. Apply a light film of fluid to the new gasket.
4. Hand tighten the new element until the new gas-
ket is seated in the gasket groove.
DO NOT remove caps, plugs and other
components when the Vacuum System is
running or pressurized.
Stop the Vacuum System and relieve all
internal pressure before doing so.
Figure 6-1 Fluid Filter (P/N 02250155-707)
*Repair Kit P/N 02250155-709
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