13
307–785
SHUTDOWN
AND CARE
To
reduce the risk of serious bodily injury
, including
fluid
injection or splashing in the
eyes or on the skin,
or
injury from moving parts, always
follow the
Pres
-
sure
Relief Procedure W
arning
on page 14 before
checking, adjusting, cleaning
and
shutting down the
sprayer.
WARNING
1.
Check
the packing nut/wet–cup daily
.
First follow
the Pressure Relief Procedure W arning on page
15.
Be sure the wet–cup is 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 13–1.
2.
Clean
the fluid filter often
and whenever the spray
-
er
is
stored. First follow the
Pressure Relief Proce
-
dure W arning on page 14. Refer to manual
307–273,
supplied, for the cleaning procedure.
3.
Lubricate the bearing housing after every 100
hours of operation. Remove the front cover. Fill the
bearing housing cavity with SAE 10 non–detergent
oil.
Refer to Fig 13–2.
4. Flush
the sprayer at the end of each work day
and
fill
it with mineral spirits to help prevent pump corro
-
sion and freezing. Refer to FLUSHING GUIDE-
LINES
on page 14.
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.
5. For very short shutoff periods, leave the suction
tube
in the paint, follow the
Pressure Relief Proce
-
dure
W
arning
on page 14, and clean the spray tip.
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.
Refer to the warning section, HOSE SAFETY, on
page
5, for information on the hazard of using dam
-
aged
hoses.
WARNING
PACKING
NUT/
WET–CUP
TIGHTEN
Fig 13-1
FILL BEARING HOUSING
CA
VITY WITH SAE
NON-DETERGENT OIL
AFTER EVER
Y 100
HOURS OF OPERATION
Fig 13-2
FRONT COVER
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