Introduction - Graco ULTRA 1000 Instructions-Parts List Manual

INTRODUCTION
Model 231-043 shown
ULTRATM
1 O W
BASIC COMPONENTS
PRESSURECONTROLKNOB
ELECTRIC MOTOR
FLUID FILTER
1
\
DRIVE ASSEMBLY
CIRCUIT BREAKER
RESET BUTTON
FLUID OUTLET
PAIL HANGER
ONlOFFSWlTCH
PRESSURERELIEFVALVE
DISPLACEMENTPUMP
2 r - u
MAIN FLUID HOSE
WHIP HOSE
TIP QUARD
Your new UltraTM lo00 Sprayer functions and operates
N i l 1 help you become familiar with the sprayer before
differently than other airless paint sprayers. This section
3perating
it.
Pressure Control
The pressure control includes an ONJOFF switch for the
sprayer, the pressure adjusting control knob, a pressure
sensing device, and a current overload circuit breaker
with a manual reset button. Its function is to control the
notor speed so that the sprayer maintains constant
'luid pressure at the pump outlat.
Wotor
The DC motor has sealed bearings and replaceable
notor brushes. Its function is to drive the displacement
~ u m p at the rate needed to supply sufficient paint
folume at the selected pressure.
Working together, the pressure control and motor
:ause the pump to cycle whenever there is fluid or
lressure demand. When the pump is cycling, the motor
ounds like an automobile starter cranking. When the
lump is not cycling, the motor hums, hums intermit-
ently, or appears to have shut itself off. However, there
v i l l still be power to the sprayer and it will stay
tressurized and ready to use unless you manually shut
it
gff
and relieve pressure.
lecause the motor is DC, it is less sensitive to low
oltage or voltage fluctuations than an AC motor, and a
an be used.
eavy gauge extension cord of up to 150 feet (45 m)
hive Assembly
lotor to the displacement pump.
'he sealed drive assembly transfers power from the DC
. .
-
I S P R A Y GUN
Displacement Pump
The positive displacement, volume-balanced pump pro-
vides equal fluid delivery on both the up and down
pump strokes. The pump has a wet-cup which, when
filled with Graco Throat Seal Liquid, helps prevent
damage to the throat packings and piston rod.
The fluid filter provides the final paint straining to help
Fluid Filter
avoid clogs in the hose and spray tip. The filter includes
a reusable element and a pressure relief valve for reliev-
ing fluid pressure when shutting off the sprayer.
Hoses
The grounded, nylon spray hoses have spring guards on
The 3 foot (0.9
rn),
3/16 in. ID whip hose allows flexi-
both ends. The 50 foot (15.2 m) hose has a 1/4 in.
ID.
pulsation dampener to absorb pressure fluctuations.
ble gun movement. The nylon hose material acts
as a
Spray Gun 8 Reverse-A-Clean 111 Spray Tip
which prevents accidental triggering when it is engaged
Graco high pressure spray guns have a trigger safety
pressure fluid to remove clogs from the spray tip
(see below). The Reverse-A-Clean 111 spray tip uses high
without removing
it
from the gun. It includes a safety tip
guard which helps reduce the risk of iniection iniurv.
. .
SAFETY LATCH
SHOWN ENQAQEO