Graco Inc. 257999 Paint Sprayer User Manual


 
Setup
313872B 19
Setup
Perform this setup procedure to get the pour gun ready
for operation.
1. Close fluid valves A and B.
2. Connect A and B fluid hoses to fluid manifold.
3. Engage piston safety lock. See page 13.
4. Connect gun air whip hose (AA) and air valve (AB)
to main air hose. See F
IG. 6. Verify air valve is
closed.
5. Assemble fluid manifold (AD) to gun by hand then
use 5/16 in. nut driver to torque bolt to 20-30 in-lb
(2.26-3.39 N•m). See FIG.6.
6. Connect gun air whip hose (AA) to air quick
coupler (AC). Turn on air. Open air valve (AB).
See F
IG.6.
7. Connect signal cable to solenoid valve.
8. Models with a handle, connect signal cable to han-
dle.
9. Disengage piston safety lock. See page 13.
10. Verify fluid valves are closed, see F
IG. 5, then trigger
gun to check for full purge rod travel.
FIG.5
TI2411a
A
B
TI2417a
FIG.6
In the following step, do not point gun at yourself. If
necessary, use a mirror to verify purge rod travel.
Pointing gun at yourself or someone else can lead to
accidentally spraying yourself or someone else with
fluid. If the purge rod was not correctly installed,
purge rod can shoot out of the barrel when gun is
actuated and can cause severe injury.
FIG.7
TI14452a
AB
AC
AA
AD
TI14452a1
Purge Rod