Sherwin-Williams ULTIMATE NOVA 1000 - STALL PRESSURE CALIBRATION; Calibration Setup and Procedure

This procedure sets the sprayer to 3ooo psi (210 bar1 NEVER attempt to increase the fluid outlet pressure
MAXIMUM WORKING PRESSURE. This procedure
by performing this calibration in any other, way.
must be performed whenever
a new or used circuit NEVER EXCEED 3000 psi (210 bar) MAXIMUM
board, or pressure control assembly is removed and
WORKING PRESSURE. Normal operation of the
reinstalled or replaced, to
be sure the sprayer is pro-
sprayer
at higher pressures could result in compo-
pedy calibrated.
nent rupture, fire or explosion.
pressurize
and
result
in component
rupture, fire
or
Improper
calibration can cause the
sprayer to over- AVOID touching the wires in the pressure control
assembly with your fingers or
tools when the control
explosion.4t may also prevent the sprayer from ob-
taining the maximum working pressure which would
box cover
is removed to reduce the risk of electric
shock.
result in poor sprbyer performance.
1
10.Remove the test gauge assembly. Flush out water
with mineral spirits.
Caiibratlon Setup 1See Fig 15)
1. Follow the Pressure Relief Procedure Warning on
0.015 spray tip in the gun. Connect the gun to the
page
11. Remove the spray hose and gun. Install a
outlet.
new test hose and connect the hose to the sprayer
2. Remove the pressure contml screws and cover.
3. Remove the secondary ball velve 150) and elbow
188). Holding the nipple (344) with a wrench to pre-
vent
it from turning, rotate the tee (124) up and in-
stall the test gauge 00 in the tee 1124). See Fig 16.
4. Place the pump suction tube in a 5 gallon pail of
clean water.
5. Be sure the gun safety latch is engaged.
6. Use a 3/8 ignition wrench to turn the pressure ad-
justment nut 1s) counterclockwise about two full
turns. See Fig 17.
7. With the pressure control knob
at the minimum set-
ting, turn the sprayer svyitch
ON. See Fig 16.
THE
SPRAYER SHOULD NOT STARTI
If it does srart shut the sprayer switch OFF,
waste container until pressure is relieved; Engage the
disengage the gun safety latch, trigger the gun into a
gun safety latch. Turn the pressure adjustment nut
(SI a little further counterclockwise. Turn the sprayer
on to be sure
it does not start.
8. Slowly turn the pressure control knob clockwise to
the maximum setting and hold
it there. Use a 3/8"
ignition wrench to slowly turn the Dressure adiust-
ment nut
(S) clockwise until the test gauge reads
EXACTLY
3000 psi (210 bar).
9. The calibration procedure is now completed.
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