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AH-94-04.7
REA-90 and 90L Spray Applicators - Maintenance
3 4 3 4 3 4 3 4 3 4
AIR CAP AIR CAP
AIR CAP AIR CAP
AIR CAP
(Refer to Figure 7) (Refer to Figure 7)
(Refer to Figure 7) (Refer to Figure 7)
(Refer to Figure 7)
Removal Removal Removal Removal Removal
1. While holding the air cap in place with one hand,
loosen the retaining nut using the other hand.
2. Unscrew the retaining nut completely and
remove the air cap.
Cleaning and Inspection Cleaning and Inspection Cleaning and Inspection Cleaning and Inspection Cleaning and Inspection
1. Use a suitable solvent to clean the air cap.
(Refer to "Suitable Solvents for Cleaning REA-90
Applicators".)
2. Examine the air cap for damage to the air
horns, face, and any air passages. If any of these
areas are damaged or worn, the air cap should be
replaced.
Reinstall Reinstall
Reinstall Reinstall
Reinstall
1. Check the fluid nozzle to ensure that it is tightly
screwed into the barrel.
2. Place the air cap over the electrode wire of the
needle/electrode and set it onto the fluid nozzle.
3. Place the retaining nut over the air cap and
begin screwing it onto the barrel.
4. Before securing the retainer nut to the barrel,
position the air cap for the desired spray pattern
position.
Figure 7: Air Cap, Fluid Nozzle, and Nut Figure 7: Air Cap, Fluid Nozzle, and Nut Figure 7: Air Cap, Fluid Nozzle, and Nut Figure 7: Air Cap, Fluid Nozzle, and Nut Figure 7: Air Cap, Fluid Nozzle, and Nut
1 Retaining Nut
2 Air Cap
3 Fluid Nozzle
4 Barrel
9 Electrode Assembly
Item # Item # Item # Item # Item #
Description Description Description Description Description
FLUID NOZZLE FLUID NOZZLE
FLUID NOZZLE FLUID NOZZLE
FLUID NOZZLE
(Refer to Figure 7) (Refer to Figure 7)
(Refer to Figure 7) (Refer to Figure 7)
(Refer to Figure 7)
Removal Removal Removal Removal Removal
1. Remove the air cap from the applicator. (Refer
to "Air Cap - Removal".)
2. Tilt the applicator forward and pull the trigger to
make sure that all fluid in the applicator is drained
out.
3. While holding the applicator assembly with the
trigger pulled back, remove the fluid nozzle with
the open-end of the special multi-purpose wrench.
>
The applicator barrel MUST be tilted
front down to remove the fluid nozzle.
Failure to do so may allow paint to enter the
air passages, thereby reducing airflow and
damaging the applicator barrel. Applicators
may be flushed in lieu of tilting. However,
they MUST be either flushed or tilted during
nozzle removal!
C A U T I O N C A U T I O N
C A U T I O N C A U T I O N C A U T I O N
!!!!!
>
To keep the needle/electrode from
unscrewing from the needle shaft, the
applicator's trigger should be actuated to
pull the needle/electrode away from the
fluid nozzle.
N O T E N O T E N O T E N O T E N O T E