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10. Prime the pump:
a. Place the suction tube in the bucket of paint,
water, or solvent.
b. Detach pressure drain valve (V, Fig. 1) from
suction tube and place pressure valve drain
tube in another bucket.
c. Open the pressure drain valve.
d. Set engine speed to idle.
WARNING
INJECTION HAZARD
Operating sprayer with the pressure
drain tube plugged will cause a back
pressure that may rupture the tube.
Sprayed fluid from the ruptured drain
tube may cause serious injury from
splashing fluid into the eyes and/or skin
injection.
e. Check that the drain tube is clear. Clean and/
or replace as necessary.
f.
Move the pressure control switch to ON. Turn
the pressure adjusting knob slowly until the
pump starts.
g. Run the pump until fluid is flowing smoothly
from the pressure drain valve tube, indicating
the pump is primed.
h. Move the pressure control switch to OFF.
10
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Startup
i.
If the pump was primed with water or solvent,
remove the suction tube from the water or
solvent and place it in the paint. Repeat steps
c. through g. until paint flows from the pres-
sure drain valve tube.
j.
Close the pressure drain valve.
11. When the pump is primed:
a. Remove the spray tip.
b. Set the engine speed to maximum.
c. Move the pressure control switch to ON. Turn
the pressure adjusting knob slowly until the
pump starts.
d. Unlock the gun trigger safety.
e. Trigger the gun into the pail until fluid flows
from the gun. If pumping solvent or solvent–
based paint, hold a metal part of the gun firmly
against a grounded metal pail.
f.
Release the gun trigger and lock the gun
trigger safety.
g. Move the pressure control switch to OFF.
h. Relieve pressure by opening the pressure
drain valve.
i.
Close the pressure drain valve.
INJECTION HAZARD
To reduce the risk of serious injury from
fluid injection, never operate the spray
gun with the tip guard removed.
WARNING
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