Installation - Graco A Series Instructions-Parts List Manual

Installation

1. Connect grounded fluid hose to the Contractort
In--line valve.
2. Connect 3-ft or 6-ft extension to in--line valve. Use
a wrench to tighten.
3. Connect the Cleanshott Shut--off Valve. Use a
wrench to tighten.
NOTE: Be sure seals (33 and 34) are in place in the
in--line valve and shut--off valve before connecting the
extension. Page 15.
4. Without the spray tip installed, start sprayer; turn
the knob on the Cleanshott Shut--off Valve count-
er--clockwise to the flush position; flush and prime
according to sprayer instructions.
NOTE: The Contractort In--line valve can be used as
an airless spray gun by attaching a HandTitet Guard
and RAC5 Switchtip.
Relieve the pressure
5.
following the Pressure
Relief Procedure below.
Pressure Relief Procedure
WARNING
INJECTION HAZARD
To reduce the risk of serious injury,
including fluid injection, splashing in the
eyes or on skin, or injury from moving
parts, always follow this procedure when you stop
spraying; check or service any part of spray
system; or install, clean, or change the spray tip.
1. Put in-line valve trigger safety lever in SAFETY
ON position. Fig. 1.
2. Shut off power supply to pump. Open all air bleed
valves in system.
3. Put in-line valve trigger safety lever in SAFETY
OFF position. Fig. 1.
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Installation
4. Rotate the spray valve knob counter--clockwise to
the out/flush position. Fig. 2.
5. Hold metal part of pole gun firmly to side of groun-
ded metal waste container. Trigger in-line valve to
relieve pressure.
6. Put in-line valve trigger safety lever in SAFETY
ON position. Fig. 1.
7. Open pump drain valve to help relieve fluid pres-
sure in pump, hose, and pole gun. Triggering in-
line valve to relieve pressure may not be sufficient.
Have container ready to catch drainage.
8. Leave drain valve open until you are ready to
spray again.
If you suspect that the spray tip or hose is completely
clogged or that pressure has not been fully relieved
after following the steps above, VERY SLOWLY
loosen the tip guard retaining nut (Fig. 3) or hose end
coupling and relieve pressure gradually, then loosen
completely. Then clear tip or hose obstruction.
9. Install spray tip.
Required Accessories
ous injury, including fluid injection, splashing in the
eyes or on the skin, or injury from moving parts, if
you are adjusting or repairing the pump or pole
gun.
D The bleed-type master air valve (air-powered
pumps only) relieves air trapped between the valve
and pump after the air regulator is shut off.
Trapped air can cause the pump to cycle unexpect-
edly.
D The fluid drain valve assists in relieving fluid pres-
sure in the displacement pump, hose and pole gun.
Triggering the in-line valve to relieve pressure may
not be sufficient.
WARNING
INJECTION HAZARD
Your spray system must have a bleed-
type master air valve and a fluid drain
valve. They help reduce the risk of seri-