12
6190900 (Rev B)
87R-4P Compressor System User Guide
© 2017, JUN-AIR
We reserve the right to make any alterations which may be due to any technical improvements
Printed in the USA
Cleaning or Replacing the System-Intake
Filter Element
1. Turn the system off and disconnect it from electrical
power.
2. Remove the intake filter element from the system cover
and inspect for damage.
3. If cleaning the filter, use warm, soapy water and ensure
that it is dry before reinstalling. If replacing the filter,
discard the used element.
4. Install the new or cleaned filter element into the system
cover, ensuring that it is fully seated the cover.
5. Reconnect electrical power to the system.
NOTE:
Filter kits are available for the system (see PARTS
AND ACCESSORIES).
Replacing the Autodrain-Filter Element
1. Turn the system off and disconnect it from electrical
power.
2. Bleed all of the air from the system.
3. Remove the handle bolts (4) and loosen the cover
screws (4) to tilt the cover forward.
4. Rotate the filter bowl and drop it down slightly to re-
move it, using caution to avoid damaging or kinking the
drain tube.
5. Remove the filter element by turning it completely out,
using caution to avoid damaging the plastic element
holder. Discard the used filter.
6. Install a new 5
µ
m filter element after verifying that it is
the correct part.
7. Position the filter bowl by pushing up slightly and rotat-
ing it into place. Verify that the drain tube is not kinked
or damaged.
8. Ensure that the drain tube passes through the base
plate and into the evaporator tray.
9. Replace the cover and reinstall the handle bolts and
cover screws.
10. Reconnect the electrical power to the system.
Replacing the Evaporator-Tray Element
1. Turn the system off and disconnect it from electrical
power.
2. Remove the handle bolts (4) and loosen the cover
screws (4) to tip the cover forward.
3. Locate the evaporator tray and remove the foam.
4. Discard the used foam, clean the tray, and install new
foam.
5. Replace the cover and reinstall the handle bolts and
cover screws.
6. Reconnect the system to electrical power.
Replacing the Compressor-Intake Filter
Element
1. Turn the system off and disconnect it from electrical
power.
2. Remove the handle bolts (4) and loosen the cover
screws (4) to tip the cover forward.
3. Remove the intake filter cap by depressing and rotating
it while holding the base of the filter.
4. Remove and discard the used intake filter element.
5. Install a replacement filter element and reinstall the
filter cap.
6. Replace the cover and reinstall the handle bolts and
cover screws.
7. Reconnect the system to electrical power.
WARNING
Disposal of system components, deemed non-usable by
the authorized dealer and the end user, should be done in
accordance with all local codes. Contact your local waste
management authorities to determine proper disposal
methods.
WARNING
Do not exceed the OSHA requirements of 2 bar [29 psig] air
for cleaning purposes.