Shutdown 8 Care - Graco ULTRA 500 Instructions-Parts List Manual

5. Cleaning a Clogged TIP
To reduce the risk of serious bodily injury from
WARNING
fluid injection or splashing in the eyes or on the
skin, use extreme caution when cleaning or
spraying, engage the gun safety latch immediate-
changing spray tips. If the spray tip clogs while
ly, then follow the procedure in Steps E a - b ,
below.
NEVER wipe off build up around the spray tip until
engaged.
pressure is fully relieved and the gun safety latch is
a. Clean the front of the tip frequently during the
day's operation. First, follow the Pressure
Rellef Procedure Warning on page 10. Then
use a solvent-soaked brush to keep paint from
building up and clogging the tip.
.b. If the spray tip does clog, release the gun trig-
ger, engage the gun safety, end rotate the
spray tip handle 1 W . See Fig 6.
c. Disengage the gun safety latch and trigger the
gun into e weste container. Engage the gun
safety latch again.
d. Return the handle to the original position,
disengage the gun safety, and resume spray-
ing.
e. I f the tip is still clogged, engage the gun safety
latch, shut
off end unplug the sprayer, and
open the pressure relief valve to relieve
pressure. Clean the spray tip.
SHUTDOWN AND CARE
1. Check the packlng nutlwet-cup dally. First
follow the Pressure Relief Procedure Warning
on page 10. Be sure the wet-cu is 1/3 full of TSL
et el1 times to help prevent pent
P
buildup on the
piston rod and premature wear of packinga. The
packing nut should be tight enough to stop
leakage, but no tighter. Overtightening
may
cause
binding end excessive pecking wear. Use e screw-
driver and light hammer to adjust the nut. See
Fig
7.
2.
Clean the fluld filter often end whenever the
sprayer is stored. First follow the Pressure Relief
Procedure Warnlng on page 10. Refer to manual
307-273,
supplied, for the cleaning procedure.
3.
Flush the sprayer at the end of each work day
and fill it with mineral spirits to help prevent pump
corrosion and freezing. See "Flushing Guidelines"
,.on page 12.
CAUTION
night to: (1) prevent pump corrosion; (2) to pre-
Never leave water or any paint in the sprayer over-
vent the paint or water from freezing in the pump
end pressure control which cen cause loss of
Always use mineral spirits for the final flush.
pressure, stalling or serious sprayer damage.
Relieve pressure. This leaves a protective coating
of mineral spirits in the sprayer.
4. For very short shutoff periods, leave the suction
tube in the paint, follow the Preasure Rellef Pro-
tip.
cedure Warnlng on page 10, and clean the spray
5. Coil the hose and hang
it on the hose rack when
storing it, even for overnight, to help protect the
hose from kinking, abrasion, coupling damage, etc.
BE
SURE QUN
SAFETY LATCH
IS ENGAGED
Fig 6
307-758
11