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FLUSHING GUIDELINES
WARNING
Pressure Relief Procedure
To reduce the riskof serious bodily injury, includingfluid
the gun firmly
the side of a grounded metal pail,
4.
Disengage the gun safety latch.
Hold a metal part of
skin, or injury from moving parts or electric shock, al-
injection, splashing fluid or solvent in the eyes or on the
and trigger the gun to relieve pressure,
ways follow this procedure whenever you shut off the Engage
the gun latch.
sprayer, when checkina or servicina any Dart of the
6.
Open the Pressure drain valve. havina a container
spray system, when i&alling, c1eGing-o; changing ready
to catch the drainage. Leave thij valve open
spray tips, and whenever you stop spraying.
2. Turn the ON/OFF switch to OFF.
1.
Engage the gun safety latch.
3.
Flip the pressure control switch to OFF.
7.
Disconnect the spark plug cable
I f you
suspect that the spray tip or hose is complete/y
clogged, or that pressure has not been fully relieved af-
the tip guard retaining nut or hose end coupling and re-
ter following the steps above, VERY SLOWLY loosen
clear the tip or hose.
lieve pressure gradually, then loosen completely.
Now
until you are ready to spray again.
1
2
When to Flush
1.
New Sprayer. Your new GM3500 Sprayer was fac-
tory tested
in
lightweight oil which was left in to pro-
tect pump parts.
spirits followed by soapy water, and then a clean
Before using water-base paint, flush with mineral
water flush.
only.
Before using oil-basepaint, flush with mineral spirits
2.
Changing Colors. Flush with a compatible solvent
such as mineral spirits or water.
3.
Changing from water-base to oil-base paint.
Flush with warm, soapy water, then mineral spirits.
4.
Changing from oil-base to water-base paint.
Flush with mineral spirits, followed by
warm, soapy
water, then a clean water flush.
spirits and leave the pump, hose and gun
filled with
Water-base paint: flush with water, then mineral
mineral spirits. Shut off the sprayer, remove the
spark plug cable, and open the pressure drain valve
to relieve pressure and leave it open.
sprayer, remove the spark plug cable, and open the
Oil4asepaint:flush with mineral spirits. Shut off the
pressure drain valve to relieve pressure and leave it
open.
5. Storage.
CAUTION
NEVER leave water in the sprayer if there is the
slightest chance it could freeze. Push the water out
with mineral spirits. Water left to freeze in the pres-
sure control tube prevents the sprayer from
being
started and causes serious damage to the pressure
control.
6. Startup after storage.
Before using water-base paint, flush
out
mineral
spirits with soapy water and then aclean water flush.
When using oil-base paint, flush out the mineral spir-
its with the paint to be sprayed and the sprayer is
ready to use.
Continued on page
16.
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