Initial Oil Change
During machine assembly there are a certain amount of im-
purities that, regardless of the care taken to prevent their entrance,
are in the machine. In the initial hours of operation these impuri-
ties are flushed out and are caught in the oil filter. Because of this,
it is recommended that the oil and oil filter element be changed
after the first 300-400 hours of operation. Thereafter, the oil and
oil filter element change interval should be in accordance with
the following Periodic Maintenance Schedule.
PERIODIC MAINTENANCE SCHEDULE
In order to obtain continued satisfactory performance, the fol-
lowing maintenance schedule should be observed. As with all ma-
chinery,
a properly maintained maintenance schedule must be
followed.
NOTE
THE FOLLOWING SCHEDULE IS BASED UPON
NORMAL OPERATING CONDITIONS. IN AREAS OF
UNUSUAL ENVIRONMENT, THE MAINTENANCE
SCHEDULE SHOULD BE ADJUSTED TO ALLOW
FOR EXISTING CONDITIONS.
CAUTION
BEFORE ATTEMPTING ANY OF THE FOLLOWING,
BE SURE TO PULL MAIN DISCONNECT SWITCH
TO ASSURE THAT NO POWER IS GOING TO THE
UNIT.
Daily:
1. Drain condensate from receiver.
2. Read the separator differential indicator to observe the condi-
tion of the air-oil separator element. The amount of red show-
ing indicates the degree of restriction across the oil-air
separator. When indicator shows all red, the separator ele-
ment should be changed.
3. Observe the oil return line sight glass to determine if oil is
flowing. A light air-oil mist is normal.
Weekly:
1.
2.
16
Through bulls-eye sight glass in oil fill elbow check sump
oil level, add oil as required. Check only when unit is warm.
If compressor has not been in operation, run for several
minutes to warm up. When adding oil do not mix different
types and brands of oil.
Check pressure switch adjustment by observing receiver pre>-
sure gauge. Adjust if necessary.
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