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Preparing Guns/Cups for the Gun Washer
1. Remove the pressure cup or fluid line and the air
line from the spray gun.
2. Drain any excess fluid in the gun or cup into a fluid
container. The solvent in the gun washer will last
longer if pressure cups are thoroughly emptied
before placing them in the gun washer.
CAUTION
All pressure gauges must be removed before placing
the equipment in the gun washer to avoid damaging
the gauges.
3. To lock the gun trigger in the open position, install
the wire trigger lock around the gun handle and
trigger as shown in Fig. 3.
If the wire trigger lock does not fit on your electro-
static gun, wrap the chain around the trigger and
handle to hold the trigger in an open position.
Placing Guns in the Gun Washer
(See Fig. 3, page 12)
The following are guns typically cleaned with the gun
washer and how to position them in the gun washer for
cleaning. To clean guns not mentioned here, use the
fluid inlet adapter and long or short gun supports as
needed. Refer also to the chart on page 5 for typical
cleaning station usage. Follow the procedure on page
14 to operate the gun washer.
Siphon Feed Guns
Set the gun siphon stem over the short gun support.
Pressure Feed Guns with Cup Lid
(2 Qt. Capacity Cups)
Set the cup cover stem over the short gun support as
shown in Fig. 3.
Pressure Feed Guns
Set the gun fluid inlet over the long gun support as
shown in Fig. 3.
Gravity Feed Guns
Set the gun fluid inlet over the long gun support as
shown in Fig. 3.
Operation
Electrostatic Guns
The PRO-Washt gun washer is approved to clean the
Graco PRO 3500, PRO 4500, and PRO AA4500 elec-
trostatic guns. Consult the manufacturer of any other
electrostatic gun before using the PRO-Wash.
A kit, part no. 236659 or 236681, is required to clean
Graco electrostatic PROt guns. See page 6 for kit
descriptions.
D Only use non-conductive solvents when clean-
ing electrostatic guns.
D Make sure the ES ON-OFF valve lever (electro-
statics) is turned to OFF before cleaning the
gun.
D Never allow solvent to enter the air passage of
any electrostatic gun.
D Never place the gun air inlet over a gun support.
D Only use the fluid inlet adapter provided with the
gun washer. Install it on the gun fluid inlet as
instructed below.
The following is a general procedure for cleaning elec-
trostatic guns. See the manual supplied with kit
236659 (Manual 308411) or kit 236681 (Manual
308412) for specific cleaning instructions.
1. Install the electrostatic gun cleaning parts as
instructed in the manual supplied with the kit.
2. Make sure the ES ON-OFF lever (electrostatics)
is turned to OFF. Refer to your gun manual.
3. Screw the fluid inlet adapter onto the PRO-gun
fluid inlet as shown in Fig. 3.
4. Place the gun in the gun washer, setting the fluid
inlet adapter over the gun support provided in the
electrostatic gun cleaning kit.
WARNING
FIRE AND EXPLOSION HAZARD
To reduce the risk of electrostatic shock,
fire, or explosion; which could result in
serious injury and property damage, be
sure to follow these precautions.
308393
11
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