Graco 231-032 Paint Sprayer User Manual


 
14
307–758
SHUTDOWN
AND CARE
WARNING
To
reduce the risk of serious injury
, follow the illus
-
trated Pressure Relief Procedure warning on
page
4 whenever you are instructed
to relieve pres
-
sure.
1.
Check
the packing nut/wet-cup daily
.
First relieve
pressure.
Keep the wet-cup
1/3 full of TSL at all times
to help prevent fluid buildup on the piston rod and
premature
wear of packings.
Tighten
the packing nut just enough to stop leakage.
Over
tightening causes binding and excessive pack
-
ing wear. Use a round punch or brass rod and light
hammer
to adjust the nut.
Refer to Fig 14–1.
2.
Clean
the fluid filter often
and whenever the spray
-
er
is stored. Follow the Flushing Guidelines on
page
15 or refer to manual 307–273, supplied, for the
cleaning
procedure.
3.
Lubricate the bearing housing after every 100
hours of operation. First relieve pressure. Remove
the front cover. Fill the bearing housing cavity with
SAE
10 non-detergent oil. See Fig 14–2.
4. For very short shutoff periods, leave the suction
tube in the paint, relieve pressure, and clean the
spray
tip.
5. Flush
the sprayer at the end of each work day
and
fill
it with mineral spirits to help prevent pump corro
-
sion
and freezing. See page 15.
CAUTION
To prevent pump corrosion, and to reduce the
chance
of fluid
freezing in the pump or pressure con
-
trol in cold weather, never leave water or any type
of
paint in the sprayer when it is not in use.
Freezing
can
seriously damage the sprayer or result in a loss
of
pressure or stalling.
6.
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.
PRESSURE
ADJUSTING KNOB
PACKING NUT/
WET–CUP
TIGHTEN
Fig 14-1
01566
FILL BEARING HOUSING
CA
VITY WITH SAE
NON-DETERGENT OIL
AFTER EVER
Y 100
HOURS OF OPERATION
FRONT
COVER
Fig 14-2
01567