How To Adjust The Air Regulators; Safety Relief Valve - Graco AirPro 237413 A Series Instructions-Parts List Manual

How to adjust the air regulators

See F . 4
IG
1. Always open air regulators slowly to prevent surging
during startup.
2. As you look at the system, the regulator (36) on the
right controls air to the gun and the regulator (33) on
the left controls air to the pressure pot.
3. Model 237409 has two T-handle air regulators (33
and 36). Model 237413 (shown in F
T-handle air regulator (36) and one air regulator with
an adjustment knob (33).
T-Handle Air Regulator
Turn the T-handle (36 and 33- Model 237409 only) in
(clockwise) to open the air regulator. Turn the T-handle
fully out (counterclockwise) to close it. Be sure the jam
nut under the T-handle does not interfere with your
adjustments. Tighten the jam nut to lock in the setting, if
desired.
Air Regulator with Adjustment Knob
Model 237413 only
Pull out the adjustment knob (33), and turn the knob in
(clockwise) to open the air regulator; turn the knob fully
out (counterclockwise) to close it. Push the adjusting
knob in to lock the setting if desired.
. 4) has one
IG
F . 4
IG

Safety relief valve

See F
The safety relief valve (4) automatically relieves the
pressure pot pressure when the air pressure exceeds
approximately 100 psi (0.7 MPa, 7.0 bar). It resets auto-
matically when the pressure is relieved. Refer to the test
procedure in manual 308369.
System Component Information
33
4
36
Model 237413 shown
. 4.
IG
04066
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