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308645 7
Installation/Operation
How to Clean the Spray Tip
and Clear a Spray Tip Obstruction
WARNING
To reduce the risk of fluid injection or splashing in
the eyes or on the skin, do not hold a hand, body
or rag in front of the spray tip when cleaning or
checking a clogged tip. Point the gun toward the
ground or into a waste container when checking to
see if the spray tip is cleared.
DO NOT try to “blow back” paint; this is NOT an air
spray gun.
DO NOT wipe fluid buildup off the gun or spray tip
until pressure is relieved.
Cleaning during the day.
1. Follow Pressure Relief Procedure on page 5.
2. Clean the front of the tip frequently during the day
to help reduce buildup. Also clean the tip and tip
guard at the end of each work day. Use a solvent-
soaked brush to clean the spray tip.
Clearing an obstruction.
If the spray tip clogs while spraying, immediately stop
spraying, then:
Gun with Standard Flat Tip and Guard
1. Lock the gun trigger safety, open the pressure
drain valve.
CAUTION
Never soak the entire gun in solvent. Prolonged
exposure to solvent can ruin the packings.
2. Remove the spray tip and blow out the obstruction
by applying air to the front of the spray tip. Or, let
the spray tip and gun nozzle soak to dissolve the
obstruction. If it won’t dissolve, jar it out by tapping
the back of the spray tip against a flat surface.
Gun with RAC IV Tip and Guard; Models 238350 and
824004
1. Lock the gun trigger safety. Rotate the RAC IV tip
handle 180_. See Fig. 4.
2. Unlock the gun trigger safety. Trigger the gun into
a pail or onto the ground to remove the clog.
3. Lock the gun trigger safety. Rotate the tip handle
to the spraying position.
4. If the tip is still clogged, lock the gun trigger safety,
shut off the sprayer and disconnect the power
source, and open the pressure drain valve to
relieve pressure. Clean the spray tip as shown in
manual 308644, supplied with the RAC IV.
Fig. 4
KEY
A Handle shown in spraying
position. Turn handle
180_ and
trigger gun to clear clog.
A
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