Graco Therm-O-Flow 200 Instructions Manual page 32

Setup
4. Place a waste container under the bleed stem (Z).
Using an adjustable wrench, open the bleed stem
counterclockwise 1/3 -1/2 turn. See F
5. If a new drum was installed and the unit is equipped
with proximity sensors, press the Pump Ready but-
ton . If the unit is not equipped with proximity
sensors, press the Clear button
is present, then press the Pump Ready button
.
6. With waste container in place, slowly open the air
motor valve (D).
D
7. Make sure the pump begins to cycle and heated
material flows from the bleed stem (Z) after several
cycles of the pump.
8. If the pump does not cycle, close the pump
bleed-type master air valve (D), adjust the air motor
air regulator (C) up by 5 psi (34 kPa, 0.3 bar). Never
adjust the regulator by more than 5 psi (34 kPa, 0.3
bar) increments.
9. Prime the pump until it moves smoothly in both
directions with no air popping or erratic movement
and close the pump bleed-type master air valve (D).
10. Close the bleed stem (Z). See F
32
. 21.
IG
if a motor error
F
TI7936A
. 21.
IG
. 21: Bleed Stem
IG
Z
TI8143A
311208P