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Replacing the PRIME/SPRAY Valve
Perform the following procedure using PRIME/SPRAY valve
replacement kit P/N 0507690.
1. Drive the groove pin out of the valve handle.
2. Remove the valve handle and the cam base.
3. Using a wrench, loosen and remove the valve housing
assembly.
4. Make sure the gasket is in place and thread the new valve
housing assembly into the lter block. Tighten securely with a
wrench.
5. Place the cam base over the valve housing assembly.
Lubricate the cam base with grease and line up the cam with
the lter block using the dowel pin.
6. Line up the hole on the valve stem with the hole in the valve
handle.
7. Insert the groove pin into the valve handle and through the
valve stem to secure the valve handle in position.
Dowel Pin
Cam Base
Valve Stem
Filter
Valve Housing
Assembly
Gasket
Groove Pi
Replacing the Filters
Pump Filter
Filter
Spring
Filter
Body
Core
Spring
Filter
Adapter
O-ring
Filter
Housing
1. Loosen and remove the lter body
by hand.
2. Slip the lter o of the core spring.
3. Inspect the lter. Based on
inspection, clean or replace the
lter.
4. Inspect the o-ring. Based on
inspection, clean or replace the
o-ring.
5. Slide the new or cleaned lter over
the core spring with the lter spring
adapter in place. Push the lter
into the center of the lter housing.
6. Slide the lter body over the lter
and thread it into the lter housing
until secure.
NOTE: The lter housing should be
hand-tightened, but make
sure the lter housing is
seated fully into the pump
manifold.
Gun Filter
Gun
Housing
Filter
Handle
Seal
1. Pull the bottom of the trigger
guard forward so that it comes
loose from the handle assembly.
2. Loosen and remove the handle
assembly from the gun head.
3. Pull the old lter out of the gun
head.
4. Slide the new lter, tapered end
rst, into the gun head.
5. Make sure the handle seal is in
position and thread the handle
assembly into the gun head until
secure.
6. Snap the trigger guard back onto the handle assembly.
Choosing the Correct Spray Gun Filter
Use the proper gun lter based on the type of material being applied
as shown below.
Part
Number
Application Filter
Type
Color of
Filter
Body
0089960 Synthetic resin,
enamels, clean
varnishes, stains
azures
Extrane red
0089959 Base coat enamels,
primer enamels,
llers, marking paints,
textured enamels
Fine yellow
0089958 Emulsions,
latex paints,
acrylic paints
Medium white
0089957 Heavy bodied latex,
blockllers,
elastometrics
Coarse green
NOTE: For more detail, part number information, and an
assembly drawing, please see the G-10 Airless Spray
Gun Owner’s Manual (P/N 0286928).
