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DRYER OPTION - OPERATION AND MAINTENANCE
In order to bypass the dryer, stop the UP compressor
and lock and tag it out�� Turn BOTH valves to a horizontal
position, as shown�� The compressor can be run and
the dryer can be removed from the system for repair in
bypass mode��
Do not operate with valves in positions other than those
shown here�� This may pressurize dryer with no air flow��
MAINTENANCE
Before accessing live electrical parts, disconnect the
power supply to the dryer using disconnect switch or
disconnect the cable connections��
Preventive maintenance
For optimum performance from your dryer, follow the
periodic maintenanceschedule described below��
WEEKLY
CONDENSATE DRAINS
verify that the condensate drains are
operating correctly��
MONTHLY
COMPRESSOR
Make sure the refrigerant compressor
temperature is below 140° F (60° C)
when running��
EVERY 4
CONDENSER
MONTHS
Remove any dust from the condenser
fins��
COMPRESSOR
Make sure compressor power con-
sumption complies with data plate
specifications��
YEARLY
CONDENSATE DRAINS
Completely disassemble the drains and
clean all their components��
AIR FILTER
Replace air filter element��
MOISTURE SEPARATOR MAINTENANCE
The moisture separator will operate indefinitely under
normal working conditions, however at some time it may
be necessary to replace the seals should the housing leak��
1��
Isolate the housing from the air supply��
2��
Fully depressurize in drain bowl as appropriate��
3��
Unscrew bowl and remove�� If pressure has not been
completely released from the housing, air will escape
from the warning hole giving an audible alarm��
Screw back bowl and repeat instruction 2 before
attempting again�� Should resistance to unscrewing
be experienced, provision is made for a 'C' spanner to
fit onto the ribs of the bowl��
4��
Check condition of bowl seal and replace if
necessary�� Clean screw threads��
5��
The autodrain assembly is not serviceable and must
be replaced if faulty��
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RELEASED 20/Jul/2016 17:56:55 GMT
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6��
Refit bowl with 'O' ring seal��
7��
Repressurize and check for leaks�� If leaks occur
they will most probably be from the bowl 'O'
ring�� Depressurize housing and remove 'O' ring as
stated above and inspect and clean�� Ensure that
mating surfaces are clean and then refit 'O' ring and
repressurize��
AIR FILTER MAINTENANCE
In order to ensure optimum compressed air quality the
filter element should be replaced as follows�� (Used filter
elements must be disposed of in accordance with local
regulations��)
Use only genuine Ingersoll Rand replacement elements��
Figure 4a
80448418 Rev.C
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