Graco H40 Paint Sprayer User Manual


 
Startup
312062W 33
9. Set pressure
a. Press to display the pressure
reading.
b. Press motor . Motor and pumps
start. Display shows system pressure.
c. Adjust hydraulic pressure control until
display shows desired fluid pressure.
d. To display cycle count, press .
e. Press or to change pres-
sure scale.
10.Change pressure imbalance setting
(optional)
The pressure imbalance function (status code
24, page 43) detects conditions that can cause
off-ratio spray, such as loss of feed pres-
sure/supply, pump seal failure, clogged fluid
inlet filter, or a fluid leak.
The pressure imbalance default is factory-set
at 500 psi (3.5 MPa, 35 bar). For tighter ratio
error detection, select a lower value. For
looser detection or to avoid nuisance alarms,
select a higher value.
a. Turn main power switch OFF .
Motor must rotate counterclockwise
when viewed from shaft end. See Con-
nect electrical cord, page 25.
If display pressure is greater than
desired pressure, reduce the hydraulic
pressure and trigger gun to reduce
pressure.
PSI
BAR
ON / OFF
PARK
Motor Controls and Indicators, see
page 21
+-
ti7731a ti7732a
Check the pressure of each proportion-
ing pump using the component A and B
gauges. The pressures should be
approximately equal and must remain
fixed.
To clear counter, press and hold
for 3 sec.
Code 24 (pressure imbalance) is set to
an alarm as the default. To change to a
warning, see Reactor Repair-Parts
manual 312063.
PSI
BAR