Graco Inc. 257999 Paint Sprayer User Manual


 
Repair
38 313872B
Solenoid Valve
1. Follow Pressure Relief Procedure on page 22.
2. Disconnect air quick coupler (AC). Use hex nut
driver to remove fluid manifold (AD).
3. Disconnect electronic cables from solenoid valve
and handle (if installed).
4. Use 5/32 in. allen wrench to remove handle mount-
ing plate screws. Remove handle mounting plate
and handle. See Component Identification on
page 16.
5. Use Phillips screwdriver to remove solenoid valve.
Inspect and replace if necessary. Inspect gasket on
bottom of solenoid valve and replace if necessary.
See Component Identification on page 16.
6. Use a 9/64 in. allen wrench to remove the solenoid
valve mounting plate and gasket. Inspect gasket
and replace if necessary. See Component Identifi-
cation on page 16.
7. Assemble in reverse order. Torque fluid manifold
bolt to 20-30 in-lb (2.26-3.39 N•m). Torque screws
connecting handle to body to 20-30 in-lb
(2.26-3.39 N•m). See Component Identification
on page 16.
TI14463a
AD
AC