Ransburg Aerobell Copes 75850 - Manual (Page 25)

Aerobell Copes - Maintenance
21
The pressure differential indicator provides a visual
indicator that pops up (becomes more visible) as the
filter element becomes plugged.
Replace the filter elements when the visual indicator
becomes visible, don’t wait until it pops up fully.
As the elements become plugged, their efficiency
drops. The frequency of filter element change will
depend upon the quality of the plant air. But it is
recommended that all elements be replaced at least
every 4 to 6 months.
In plants where heavy amounts of oil and moisture
vapor are present in the air lines, a refrigerated air
dryer may be necessary.
The Aerobell Copes is designed to give dependable
service and extended life. One of the most important
factors in realizing long life is the quality of air. It is
therefore essential for the user to closely monitor
the quality of their air and to properly maintain the
air filters by replacing the filter elements as often
as necessary. (Replace elements at least every 4-6
months or more often.)
Muffler
Replace the 76310-00, porous plastic muffler, at
least once per year depending upon the application
environment.
Install the porous plastic muffler with the coarse
(rough to the touch) side against the 76749-00,
mounting ring assembly.
The coarse (rough to the touch) side should always
face the direction of air flow.
Plastic Hardware
Inspect for broken or loose mounting hardware every
4 to 8 weeks. Hardware includes all nonconductive
screws used for retaining the 90 degree electrodes,
rear manifold, and support rod.
The M5 x 40mm long fillister head screw (part
number 75828-40) used for mounting the 90 degree
electrodes must be tightened and/or replaced when
broken prior to cleaning. Cleaning solvents may wick
under the electrodes if the mounting hardware is not
equally tightened.
Shaping Air Ring Seal
Inspect the shaping air ring seal for damage at the
cupped edge and at the sealing surface every 12 to
16 weeks or as often as necessary.
The shaping air ring seal (part number RPM-2 or
LRPM0111-00) is a wear item and must be replaced if
damaged. A damaged seal may affect the distribution
of shaping air within the air ring. Always install the
seal with the cupped edge facing forward.
Atomizer Bell Assembly
Inspect the atomizer bell assembly for any damage,
wear, or paint build-up every 4 to 8 weeks.
The bell cup is a critical part of the applicator and
is directly responsible for the finish quality of the
product being coated. Replace any atomizer bell
that shows signs of damage such as nicks, heavy
scratches, dents, or excessive wear.
Always clean the fluid tube tip before re-installing
the bell onto the shaft using a lint-free rag dampened
with solvent.
LN-9230-00.1