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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 from the pump manifold.
4. Make sure the gasket is in place and thread the new
valve housing assembly into the pump manifold. 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 pump manifold 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
Groove Pin
Valve Stem
Gasket
Pump
Manifold
Valve Housing
Assembly
Valve
Handle
Cam Base
Replacing the Filters
Pump Filter
1. Loosen and remove the filter housing by hand. Pull the
filter out of the pump manifold.
2. Slip the filter off of the filter support spring.
3. Inspect the filter. Based on inspection, clean or replace
the filter.
4. Inspect the filter seal. Based on inspection, clean or
replace the filter seal.
5. Slide the new or cleaned filter over the filter support spring
with the adapter in place. Push the filter into the center of
the pump manifold.
6. Slide the filter housing over the filter and thread it into the
pump manifold until secure.
NOTE: The filter housing should be hand-tightened, but
make sure the filter housing is seated fully into
the pump manifold.
Filter
Spring
Adapter
Filter Support Spring
Filter Seal
Pump Manifold
Filter
Filter
Housing
Gun Filter
Gun
Housing
Filter
Handle
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 filter out of the gun
head.
4. Slide the new filter, tapered
end first, 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.
Gun Filter chart
Part
Number
Application
Filter
Type
Color of
Filter
Body
0089960
Synthetic resin,
enamels, clean
varnishes, stains
azures
Extrafine
red
0089959
Base coat enamels,
primer enamels,
fillers, marking paints,
textured enamels
Fine
yellow
0089958
Emulsions,
latex paints,
acrylic paints
Medium
white
0089957
Heavy bodied latex,
blockfillers,
elastometrics
Coarse
green
NOTE: For more detail, part number information, and
an assembly drawing, please see the G-10 XL
airless Spray Gun Owner’s Manual (P/N 0296237).
