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REA-90 and 90L Spray Applicators - Maintenance
Reinstall
Reinstall
Reinstall
Reinstall
Reinstall
1. Install the new spring loaded u-cup seal, spring
side (cup portion) outward, into the air valve
retaining nut. Apply a coating of Teflon thread
sealant to the threads of the retaining nut and
screw it fully into the handle. Use 3/8 open-end
wrench to tighten.
2. Apply a thin film of lubricant around the shaft
just behind the brass tip of the air valve rod
assembly.
3. Install the air valve, rod end first, into the air
valve chamber from the back on the left side of the
handle and push it through the retaining nut.
4. Install the compression spring onto the back of
the air valve.
5. Apply a thin film of lubricant on the o-ring and
install it into the thread relief of the air valve cap.
6. Install the assembled air valve cap containing
the o-ring seal into the handle using a standard
blade screwdriver.
TRIGGER
TRIGGER
TRIGGER
TRIGGER
TRIGGER
Removal
Removal
Removal
Removal
Removal
N O T E
N O T E
N O T E
N O T E
N O T E
The applicator trigger can be replaced ei-
>
ther with the applicator on-line or removed
from service. If the following procedure is to
be done online, make sure that all fluid and
air sources are shut off to the applicator and
the pressure in the lines is relieved. Most of
all make sure that the power supply is turned
off.
(Refer to Figure 20)
(Refer to Figure 20)
(Refer to Figure 20)
(Refer to Figure 20)
(Refer to Figure 20)
1. Remove the two (2) shoulder screws that attach
the trigger to the applicator.
2. Hold the grounding spring in position and remove
the trigger from the applicator assembly.
4 7
4 7
4 7
4 7
4 7
3. Remove the ground spring from the rod portion
of the air valve and set it aside for safe keeping.
Cleaning and Inspection
Cleaning and Inspection
Cleaning and Inspection
Cleaning and Inspection
Cleaning and Inspection
1. Clean the trigger with a suitable solvent and
dry.
2. Inspect the trigger for damage or wear and
replace if necessary.
Reinstall
Reinstall
Reinstall
Reinstall
Reinstall
1. Install the ground spring onto the rod portion of
the air valve and hold it in place.
2. Slide the trigger onto the handle and align the
holes with the threaded holes in the handle.
Item #
Item #
Item #
Item #
Item #
Description
Description
Description
Description
Description
23
Handle
27
Grounding Spring
42
Trigger
43
Shoulder Screw
Figure 20: Trigger Removal
Figure 20: Trigger Removal
Figure 20: Trigger Removal
Figure 20: Trigger Removal
Figure 20: Trigger Removal
3. Insert the shoulder screws through the holes of
the trigger and screw them into the handle by
hand.
4. Secure the shoulder screws to the handle
using a flat blade screwdriver.
AH-94-04.7
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