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

WARNING
FLUID INJECTION HAZARD
To reduce the risk of serious injury,
follow the illustrated Pressure Relief
Procedure warning on page 12 when-
ever you are instructed to relieve pressure.
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. 6.
2. Clean the fluid filter often and whenever the spray-
er is stored. Follow the Flushing Guidelines on page
11 or refer to manual 307–273, supplied, for
cleaning procedure.
3. Lubricate the bearing housing
hours of operation. First relieve pressure. Remove
the front cover. Fill the bearing housing cavity with
SAE 10 non-detergent oil. See Fig. 7.
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 11.
CAUTION
To prevent pump corrosion, never leave water or any
type of paint in the sprayer when it is not in use. Pump
water or paint out with mineral spirits.

Shutdown and Care

the
after every 100
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.
PACKING NUT/
WET–CUP
TIGHTEN
Fig. 6
FILL BEARING HOUSING
CAVITY WITH SAE 10
NON-DETERGENT OIL
AFTER EVERY 100
HOURS OF OPERATION
FRONT
COVER
Fig. 7