Ransburg RMA Dual Purge Direct A12868 - Manual (Page 64)

RMA-303 Dual Purge Direct Charge - Maintenance
61 LN-9267-11.3
PREVENTIVE MAINTENANCE
Daily Maintenance (During Each Preventive
Maintenance Break)
1. Verify that high voltage is OFF and that
shaping air, bearing air, and turbine drive
air are ON.
2. Open the dump valve, flushing all paint
from the supply lines and valve module.
3. Open the solvent valve, flushing all paint
from the fluid tube and through the atomiz-
er bell assembly.
4. Re-verify that high voltage is OFF, turbine
drive air is OFF, and that the bell cup has
stopped spinning. The bearing air and
shaping air should remain ON.
5. Clean all external surfaces of the applica-
tor using a lint-free rag dampened with sol-
vent.
6. After cleaning, all conductive residue must
be removed using a non-conductive sol-
vent. Since electrostatic equipment is in-
volved, these solvents should also be non-
polar (Naphtha).
7. Inspect bell cup for nicks, dents, heavy
scratches, or excessive wear. Replace if
necessary.
8. Check bell cup tightness. Tighten to 50-70
lbs•in (5.65-7.91 Nm) torque.
9. Check the amount of paint build-up on the
outer protective cloth covers, if used. If
excessive, replace covers as required. If
cloths are wet, find source and replace
with dry cloth covers.
!
W A R N I N G
•
The high voltage must be turned OFF be-
fore entering the spray area and perform-
ing any maintenance procedures. Spray
booth exhaust fan(s) should remain ON
while cleaning the equipment with sol-
vents.
•
Make sure high voltage is OFF before ap-
proaching applicator with solvent cloth.
•
DO NOT use reclaim solvent containing d-
Limonene. This can cause damage to cer-
tain plastic components.
•
DO NOT stop bell rotation by using a rag
or gloved hand against the bell cup edge.
!
C A U T I O N
•
Maximum flow rate should not exceed 700
cc/min.
•
Daily removal and soaking of the bell cup
may not be required if the bell cup is properly
flushed. However, the frequency of the feed
tube and internal motor shaft inspection indi-
cated below under weekly maintenance can
be done daily and later adjusted to weekly or
as required depending on the results of the
inspection.
!
W A R N I N G
•
In the event the bell cup comes in contact
with a part, that cup should be replaced
before continuing to spray.
•
Do Not place high voltage test probe on
bell edge unless rotation is fully stopped.
•
Make sure that no solvent or other con-
tamination is allowed to enter the motor
assembly (air bearing and outer shaft).