Graco 262960, Instructions Manual

Page: 18 / 68

Setup
18 3A7467D
9. For systems with water tank only: If the water
tank (G) is less than halfway full, fill the tank with
fresh water.
10. With a garden hose or the rinse valve (X), wash the
abrasive into the pot and clear any abrasive from
the pot seal plunger (F) and pot seal plunger gasket.
11. Close the pot dump valve (J).
12. Fill the pot with water until the water level is above
the pot seal plunger (F).
Pressurize the Pot
1. Verify that the pot seal plunger (F) is in the down
position and the top of the plunger is clean of
abrasive media.
2. Verify that the rinse ball valve (X), abrasive ball
valve (M), the pot dump valve (J), and the quick
drain valve (ZL) are all shut.
3. Verify that the water level in the pot (E) is above the
pot seal plunger (F).
4. Turn the selector valve (W) to BLAST.
5. Pull upwards on the pot seal plunger (F). Hold until
the pot pressure on the pot pressure gauge (L) rises
to 185 psi. The pressure holds the pot seal plunger
in place.
6. Verify that the pressure on the pot pressure gauge
(L) has risen above 170 psi.
To avoid injury to the operator, always pressurize the
pot before opening the abrasive ball valve (M) or
engaging the blast control switch (B).
F
IG
. 5: Turn the Selector Valve to Blast
WLD
W
F
IG
. 6: Add Abrasive Media
ti35712a
F
L