307-863
8
SETUP
If
you supply your own hoses and spray
gun, be sure the hoses are electrically
conductive,
that the gun has
a tip guard,
and that each part is rated for at least
3000 psi (210 bar) Maximum Working
Pressure
. This is to reduce the risk of
serious bodily injury caused by static
sparking,
fluid injection or over-pressuri
-
zation
and rupture of the hose or gun.
WARNING
1. Connect Hose and Gun. Remove the
plastic cap plug from the outlet nipple.
Assemble
the 50 ft. (15 m) hose, 3 ft. (0.9
m) whip hose and gun, and connect
them
to the outlet nipple.
DO
NOT use
thread sealant on the hose
and gun connections. DO NOT install
the
spray tip until the system is primed.
2. Two Gun Hookup. Unscrew the cap
from
the secondary hose outlet. Connect
an accessory hose and gun to the 1/4
npsm(m)
nipple.
To avoid damaging the pressure con-
trol,
follow these precautions.
1. Always use nylon spray hose at
least
50 ft. (15.2 m) long.
2. Never use a wire braid hose; it is
too
rigid to act as a pulsation
damp
-
ener.
3. Never
install a ball valve or
shutof
f
device
between the filter and the
50
ft.
(15 m) hose.
4. Always
use the main filter outlet for
one
gun operation. Never plug this
outlet.
CAUTION
3. Fill the Packing Nut/Wet–Cup 1/3 full
with Graco Throat Seal Liquid (TSL),
supplied, and keep it filled, to help ex-
tend
the pump life.
Fig 8–1
WET-CUP
PAIL HANGER
WHIP
HOSE
3 ft (0.9 m)
OUTLET
NIPPLE
1/4 npsm(m)
PRESSURE
DRAIN
VALVE
ON/OFF SWITCH
PRESSURE
ADJUSTING
KNOB
SECONDARY
HOSE
OUTLET
1/4 npsm(m)
MAIN HOSE
50 ft (15 m)
0140
0138
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