General - Sullair ES-6 Series User Manual

6.1

GENERAL

WARNING
Before doing compressor maintenance, dis-
connect compressor from power source
and lock out power source. Isolate com-
pressor from line pressure by closing rec-
ommended discharge shut-off valve and
releasing all internal pressure from com-
pressor.
As you proceed in reading this section, it will be easy
to see that the Maintenance Program for the air
compressor is quite minimal yet important. See
instructions for each item in Section 6.6: Parts
Replacement and Adjustment Procedures.
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 the addition
of fluid becomes too frequent, a minor problem has
developed which is causing this excessive loss. See
the Section 6.7: Troubleshooting under Excessive
Fluid Consumption for a probable cause and remedy.
After a routine start has been made, a general check
of the overall compressor should be made to assure
that the compressor is running properly.
Section 6
MAINTENANCE
6.3 MOTOR BEARING
LUBRICANT
WARNING
Before doing compressor maintenance, dis-
connect compressor from power source
and lock out power source. Isolate com-
pressor from line pressure by closing rec-
ommended discharge shut-off valve and
releasing all internal pressure from com-
pressor.
See Table 6-1: Motor Bearing Lubrication Schedule.
If lubrication instructions are shown on the motor or
in a separately provided manual, they will supersede
this general instruction.
1. Remove the fan guard by removing the four
(4) self-tapping screws holding the guard
and fan ring to the cooler.
2. Remove the 1/8" NPT plugs in the filler and
drain connection for both bearings.
3. Free drain hole of any hard grease (use
piece of wire if necessary).
4. Add grease (I) using a low pressure grease gun.
5. Wipe off any drained grease, and replace
filler and drain plugs.
6. Replace fan guard.
7. Motor is now ready for operation.
(I) Use Chevron SRI-2 grease when lubricating motor
bearings. Fill the cavity 1/3 to 1/2 full by repacking or
use a low pressure grease gun and fill through the
lubricating provisions on the motor end bell housing
ES-6 USER MANUAL
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