Cleaning The Inlet Valve - WAGNER CONTROL PRO 170 Owner's Manual

ClEAnInG thE InlEt vAlvE

Cleaning or servicing the inlet valve may be required if the unit has
i
priming problems. Priming problems may be prevented by properly
cleaning the sprayer and following the long-term storage steps.
YoU wIll nEED
•
Adjustable wrench or 10 mm allen wrench
•
Warm, soapy water if using latex material
•
Mineral spirits for oil based material
•
Petroleum jelly
1.
Remove the suction tube.
2.
Place a wrench on the flats of the inlet valve fitting (a), or
insert a 10 mm allen wrench into the hex opening. Unscrew
the inlet valve fitting from the sprayer. Remove the inlet valve
seat (b), O-ring (c) inlet valve ball (d) and spring (e). Take care
not to lose any removed parts.
Visually inspect the removed parts, as well as the inside
and outside of the inlet valve fitting. Inspect the inlet valve
housing area where the inlet valve assembly was removed.
Clean any paint residue in these places with the appropriate
cleaning solution.
3.
Lubricate the O-ring (c) on the inlet valve with petroleum jelly.
Replace all parts back into the inlet valve housing in the
reverse order of how they were removed. Note the correct
orientation of the inlet valve seat (b). Replace inlet valve
assembly by screwing it into the sprayer. Tighten with a
wrench.
Do not overtighten the inlet valve fitting (torque to
120-150 in.-lbs).
Attention
4.
Replace suction tube.
If priming problems persist, you may need to replace
i
the inlet valve assembly. Call Technical Service (1-
800-328-8251) to order a new inlet valve assembly.
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d
c
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a
c