Installation/Operation
308491U
5
Installation/Operation
System Requirements
1.
The pressure drain valve assists in relieving fluid
pressure
in the displacement pump, hose and gun;
triggering the gun to relieve pressure may not be
sufficient.
2. Strain the fluid you are spraying if it contains parti
cles which could clog the spray tip.
Ground the System
Pressure Relief Procedure
1. Lock the gun trigger safety.
2. Shut off the power to the pump.
3. Unlock the gun trigger safety
4. Hold the metal part of the gun firmly to a grounded
metal pail. Trigger the gun to relieve pressure.
5. Lock the trigger lock safety.
6.
Open the drain valve, having a container ready to
catch the drainage. Observe the pressure gauge.
The gauge reads 0 psi/bar when fully drained.
Leave the drain valve open until you are ready to
spray again.
7. If you suspect the spray tip or hose is clogged or
that pressure has not been fully relieved:
a. VERY SLOWLY loosen the spray tip guard
retaining nut or the hose end coupling to relieve
pressure gradually.
b. Loosen the nut or coupling completely.
c. Clear airless hose or spray tip obstruction.
How to Use the Gun Trigger
Safely
1. To lock the gun trigger safety, turn the safety to a
right angle with the gun body.
2. To unlock the gun trigger safety, push the safety out
and turn it parallel with the gun body.
Keep the wallet-sized warning card provided with
this
gun with the operator at all times. The card contains
important treatment information should an injection
injury occur. Additional cards are available
at no
charge from Graco Inc.
To reduce the risk of static sparking, ground the
pump and all other equipment used or located in the
spray area. Check your local electrical code for
detailed grounding instructions for your area and type
of equipment. Also follow the grounding instructions
provided in your pump or sprayer manual. The gun
obtains grounding through connection to a properly
grounded fluid hose and pump or sprayer. Also read
FIRE OR EXPLOSION HAZARD
on page 3.
To reduce the risk of serious injury, including fluid
injection, splashing fluid or solvent in the eyes or on
the skin, follow this procedure when you are instructed
to relieve pressure, when you stop spraying, shut off
the pump, check or service any system equipment, or
install, clean or change spray
tips.
Gun trigger safety shown locked
Gun trigger safety shown unlocked
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