Setup - Graco A Series Instructions-Parts List Manual

1. Connect Hose and Gun. Refer to Fig 10–1
NOTE: When tightening fittings at the pressure control,
hold one wrench firmly on the hex of the pressure
control fitting to keep it from rotating. Use an-
other wrench to tighten the mating fitting.
a. Remove the cap from the filter outlet nipple and
screw the 50 ft. (15.2 m) main fluid hose on to the
nipple.
b. Connect the 6 ft. (1.8 m) hose to the main fluid
hose with the nipple provided. Connect the short
hose to the gun inlet connection.
c. Don't use thread sealant, and don't install the
spray tip yet!
WARNING
If you are supplying 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) Working Pressure .
This is to reduce the risk of serious bodily injury
caused by static sparking, fluid injection or over–
pressurization and rupture of the hose or gun.
2. Two Gun Hookup.
Remove the cap from the 1/4 npsm(m) nipple – See
Fig 10–1 – and attach an accessory hose and gun.
PRESSURE ADJUSTING KNOB
FILL THE
PACKING NUT/WET-CUP
1/3 FULL WITH TSL
CAP FOR
SECONDARY HOSE
Fig 10–1
307–958

SETUP

To avoid damaging the pressure control, which
may result in poor equipment performance and
component damage, follow these precautions:
1. Always use nylon spray hose at least 50 ft
2. Never use a wire braid hose as it is too rigid to
3. Never install any shutoff device between the fil-
4. Always use the main filter outlet for one gun op-
3. Fill Packing Nut/Wet–Cup. See Fig 10–1
Fill the packing nut/wet–cup 1/3 full with Graco
Throat Seal Liquid (TSL), supplied.
4. Check the Electrical Service.
a. Be sure the electrical service is 120 V, 60 HzAC,
b. Do not remove the third prong of the power sup-
c. Use an extension cord which has 3 wires of a
ON/OFF SWITCH
CAUTION
(15.2 m) long.
act as a pulsation dampener.
ter and the main hose. See Fig 10–2.
eration. Never plug this outlet.
15 Amp (minimum) and that the outlet you use
is properly grounded.
ply cord, which is the grounding prong, and do
not use an adapter.
minimum 12 gauge size, and a maximum of 150
ft. (45 m) long. Longer lengths may affect spray-
er performance.
PRESSURE DRAIN VALVE
1/4 npsm(m) FILTER OUTLET NIPPLE
CONNECT MAIN HOSE HERE
DO NOT INSTALL ANY SHUTOFF
DEVICE BETWEEN THE PRESSURE
CONTROL AND THE FIRST 50 FEET
(15 M) OF HOSE