Graco President A Series Operation manual

Instructions – Parts List
GRACO INC.ąP.O. BOX 1441ąMINNEAPOLIS, MNą55440-1441
Copyright 1997, Graco Inc. is registered to I.S. EN ISO 9001
3:1 Ratio PresidentRHeated
Circulation Package
Part No. 232090, Series A
With stainless steel pump, 239857 Supply Module, and 120V Viscon HP Heater
Package includes mounting hardware, air controls, back pressure regulator,
stainless steel fluid filter, elevator, back-geared agitator, and drum cover
300 psi (2.1 MPa, 21 bar)
Maximum Working Pressure
100 psi (0.7 MPa, 7 bar)
Maximum Air Inlet Pressure
308770F
Read warnings and instructions.
See page 2 for Table of Contents.
7759C
Parts

2 308770
Table of Contents
Warnings 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Data 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dimensions 26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mounting Hole Layouts 27. . . . . . . . . . . . . . . . . . . . . . . . .
Graco Standard Warranty 28. . . . . . . . . . . . . . . . . . . . . .
Graco Information 28. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Symbols
Warning Symbol
WARNING
This symbol alerts you to the possibility of serious
injury or death if you do not follow the instructions.
Caution Symbol
CAUTION
This symbol alerts you to the possibility of damage to
or destruction of equipment if you do not follow the
instructions.
WARNING
INSTRUCTIONS
EQUIPMENT MISUSE HAZARD
Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury.
DThis equipment is for professional use only.
DRead all instruction manuals, tags, and labels before operating the equipment.
DUse the equipment only for its intended purpose. If you are uncertain about usage, call your Graco
distributor.
DDo not alter or modify this equipment. Use only genuine Graco parts and accessories.
DCheck equipment daily. Repair or replace worn or damaged parts immediately.
DDo not exceed the maximum working pressure stated on the equipment or in the Technical Data
section for your equipment. Do not exceed the maximum working pressure of the lowest rated
component in your system.
DUse fluids and solvents which are compatible with the equipment wetted parts. Refer to the Tech-
nical Data section of all equipment manuals. Read the fluid and solvent manufacturer’s warnings.
DRoute hoses away from traffic areas, sharp edges, moving parts, and hot surfaces. Do not expose
Graco hoses to temperatures above 180_F (82_C) or below –40_F (–40_C).
DDo not touch the heater during operation; it is very hot.
DWear hearing protection when operating this equipment.
DDo not lift pressurized equipment.
DComply with all applicable local, state, and national fire, electrical, and safety regulations.

308770 3
WARNING
PRESSURIZED EQUIPMENT HAZARD
Spray from the gun, hose leaks, or ruptured components can splash fluid in the eyes or on the skin
and cause serious injury.
DDo not point the gun at anyone or at any part of the body.
DDo not stop or deflect leaks with your hand, body, glove, or rag.
DFollow the Pressure Relief Procedure on page 14 whenever you: are instructed to relieve pres-
sure; stop spraying; clean, check, or service the equipment; and install or clean the spray tip.
DTighten all fluid connections before operating the equipment.
DCheck the hoses, tubes, and couplings daily. Replace worn, damaged, or loose parts immediately.
Permanently coupled hoses cannot be repaired; replace the entire hose.
MOVING PARTS HAZARD
Moving parts, such as the air motor piston, elevator, and agitator blades, can pinch or amputate your
fingers.
DKeep clear of all moving parts when starting or operating the pump.
DKeep your hands away from the elevator, pump support, drum cover, and the lip of the drum while
the elevator is operating or is charged with air.
DAlways shut off the agitator and disconnect the air line before you remove the agitator from the
drum or check or repair any part of the agitator.
DBefore servicing the equipment, follow the Pressure Relief Procedure on page 14 to prevent the
equipment from starting unexpectedly.

4 308770
WARNING
FIRE, EXPLOSION, AND ELECTRIC SHOCK HAZARD
Improper grounding, poor ventilation, open flames, or sparks can cause a hazardous condition and
result in a fire or explosion and serious injury.
DThe electric heater must be installed, operated, and serviced only by trained, qualified personnel
who fully understand the requirements stated in the heater instruction manual (supplied).
DGround the equipment and the object being sprayed. Refer to Grounding on page 13.
DIf there is any static sparking or you feel an electric shock while using this equipment, stop spray-
ing immediately. Do not use the equipment until you identify and correct the problem.
DProvide fresh air ventilation to avoid the buildup of flammable fumes from solvents or the fluid
being sprayed.
DKeep the spray area free of debris, including solvent, rags, and gasoline.
DElectrically disconnect all equipment in the spray area.
DExtinguish all open flames or pilot lights in the spray area.
DDo not smoke in the spray area.
DDo not turn on or off any light switch in the spray area while operating or if fumes are present.
DDo not operate a gasoline engine in the spray area.
TOXIC FLUID HAZARD
Hazardous fluid or toxic fumes can cause serious injury or death if splashed in the eyes or on the skin,
inhaled, or swallowed.
DKnow the specific hazards of the fluid you are using.
DStore hazardous fluid in an approved container. Dispose of hazardous fluid according to all local,
state, and national guidelines.
DAlways wear protective eyewear, gloves, clothing, and respirator as recommended by the fluid and
solvent manufacturer.

308770 5
Installation
General Information
NOTE: Reference numbers and letters in parentheses
in the text refer to the callouts in the figures and the
parts drawing.
NOTE: Always use Genuine Graco Parts and Acces-
sories, available from your Graco distributor. Refer to
Product Data Sheet 305896. If you supply your own
accessories, be sure they are adequately sized and
pressure-rated for your system.
Prepare the Operator
All persons who operate the equipment must be
trained in the safe, efficient operation of all system
components as well as the proper handling of all fluids.
All operators must thoroughly read all instruction
manuals, tags, and labels before operating the equip-
ment.
The following manuals are included with this equip-
ment:
D308793, 3:1 President Pump
D306982, President Air Motor
D308918, Fluid Filter
D307068, Fluid Ball Valves
D308401, Back Pressure Regulator
D308769, Supply Module
D306287, Elevator
D308466, Drum Cover
D308609, Back-Geared Agitator
D309524, Viscon HP Heater
Prepare the Site
Select a site with at least 9 ft (2.8 m) overhead clear-
ance for the elevator when fully raised.
Ensure that the wall is strong enough to support the
weight of the pump and accessories, heater, fluid,
hoses, and stress caused during pump operation.
Ensure that you have an adequate compressed air
supply. Refer to the performance chart on page 25 to
find the air consumption.
Refer to Fig. 1 on page 7. Bring a compressed air
supply line (A) from the air compressor to the pump
location. Be sure all air hoses are properly sized and
pressure-rated for your system. Use only electrically
conductive hoses. The air hose should have a 3/8
npt(m) thread.
Install a bleed-type shutoff valve (B) in the air line to
isolate the air line components for servicing. Install a
moisture trap and drain valve (C) to help remove
moisture and contaminants from the compressed air
supply.
Keep the site clear of any obstacles or debris that
could interfere with the operator’s movement.
Have a grounded, metal pail available for use when
flushing the system.

6 308770
Installation
Supplied Components
Refer to Fig. 1.
WARNING
A red-handled bleed-type master air valve (11h)
and a fluid drain valve (208) are supplied. These
components help reduce the risk of serious injury,
including splashing of fluid in the eyes or on the
skin, and injury from moving parts if you are adjust-
ing or repairing the pump.
The bleed-type master air valve relieves air trapped
between this valve and the pump after the air is
shut off. Trapped air can cause the pump to cycle
unexpectedly. Locate the valve close to the pump.
The fluid drain valve assists in relieving fluid pres-
sure in the displacement pump, hose, and gun.
Triggering the gun to relieve pressure may not be
sufficient.
DThe red-handled bleed-type master air valve
(11h) is required in your system to relieve air
trapped between it and the air motor when the
valve is closed (see the WARNING above). Be sure
the bleed valve is easily accessible from the pump,
and is located downstream from the pump air
filter/regulator (11a).
DThe pump air filter/regulator (11a) controls pump
speed and outlet pressure by adjusting the air
pressure to the pump. It includes an air filter with a
40 micron polypropylene element, to remove harm-
ful dirt and moisture from the compressed air
supply. Locate close to the pump, but upstream
from the bleed-type master air valve (11h).
DThe air line lubricator (11b) provides automatic
lubrication of the air motor.
DThe air relief valve (11j) opens automatically to
prevent overpressurization of the pump.
DFluid is supplied to the pump through the suction
hose (16) and tube (109). The suction tube (109)
is installed in the shaft of the agitator (102). See
Fig. 1.
DThe fluid filter (206) includes a 60 mesh (250
micron) stainless steel element to filter particles
from the fluid as it leaves the pump.
DThe fluid drain valve (208), is mounted in the
bottom of the fluid filter bowl, and is required in your
system to relieve fluid pressure in the hose and gun
(see the WARNING at left).
DThe back pressure regulator (12) controls back
pressure to the gun and maintains proper circula-
tion pressure.
DThe back-geared agitator (102) keeps the fluid in
suspension and also includes a suction tube (109)
to draw fluid from a 55 gallon drum.
DThe air-operated elevator (150) allows you to
raise the drum cover and agitator from an empty
drum, replace the drum, and lower the agitator into
the new drum.

308770 7
Installation
Fig. 1
A
B
C
Detail of Air Controls
22
1
37
150
16
101
102
105
24
E
206
14
12
F
G
21
19
11h
208
11a 11b
11j
109
114
40
11
202
201
23
4See Detail of Air Controls in upper left corner.
1Ensure that there is 9 ft (2.8 m) overhead clearance
for the elevator when fully raised.
2Mount the pump module so the top of the bracket is
4 to 5 ft (1.2 to 1.5 m) above the floor.
3The suction hose is 6 ft (1.8 m) long. Do not stretch
the hose tight; let it hang as shown, to assist fluid
flow into the pump.
4
3
2
5The center of the two outer left holes of the heater
bracket must be no more than 9 in. (228 mm) from the
right edge of the pump bracket (22). See page 27.
5
108
11k
11c
11d
159
209
7760C

8 308770
Installation
Installing the Pump Module
The pump module consists of the pump mounted on
the pump bracket, the air controls, back pressure
regulator, hoses, and plumbing.
NOTE: Refer to Fig. 1 on page 7, and to the Dimen-
sion drawing on page 26 and the Mounting Hole Lay-
outs on page 27.
1. Ensure that the wall is strong enough to support
the weight of the pump and accessories, heater,
fluid, hoses, and stress caused during pump
operation.
2. Mount the pump near a site with at least 9 ft (2.8
m) overhead clearance for the elevator when fully
raised.
3. Position the bracket mounting plate (37) on the
wall so the edge with the hook is facing up. Mount
the plate so the top edge is 4 to 5 ft (1.2 to 1.5 m)
above the floor. Check that the plate is level. Mark
two holes on the wall, using the plate as a tem-
plate. Drill two holes and attach the plate with 1/2
in. bolts and washers.
4. Using two people, hang the pump module on the
bracket mounting plate (37). Have one person hold
the module in place while the other checks that the
pump bracket (22) is level. Mark four holes on the
wall, using the pump bracket as a template. Re-
move the pump module.
5. Drill four holes in the wall.
WARNING
The pump bracket (22) must be bolted to the wall
with four bolts. Do not simply hang the pump
bracket on the bracket mounting plate (37).
6. Lift the pump module back into position, hang it on
the bracket mounting plate (37), and bolt the pump
bracket (22) to the wall. Use 1/2 in. bolts and
washers to mount the pump module to the wall.
Use bolts that are long enough to keep the pump
bracket (22) from vibrating during operation.

308770 9
Installation
Installing the 239857 Supply Module
NOTE: Refer to Fig. 1 on page 7, and to the Dimen-
sion drawing on page 26 and the Mounting Hole Lay-
outs on page 27.
1. Ensure that there is at least 9 ft (2.8 m) overhead
clearance for the elevator (150) when fully raised.
WARNING
To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 14.
2. Locate the elevator (150) so the pump module’s
suction hose (16) will reach the swivel (101) at the
top of the agitator (102). The suction hose is 6 ft
(1.8 m) long. Do not stretch the hose tight; let it
hang as shown in Fig. 1, to assist fluid flow into the
pump.
3. See page 27. Using the elevator base as a tem-
plate, mark the floor. Drill four holes in the floor for
1/2 in. bolts. Make sure the bolts are long enough
to prevent the elevator from tipping.
4. Connect the suction hose (16) to the swivel outlet
(101) of the agitator (102). Connect the suction
hose ground wire to the ground lug on the agitator
as shown on page 13.
5. Loosen the captive screw and open the quick
connector (11c) on the air filter/regulator/lubricator
assembly (11). Refer to Using the Quick Con-
nectors, at right.
6. Slide the pipe adapter (11d) out of the quick con-
nector. Remove and discard the pipe plug from the
bottom port of the tee (11k).
7. Bring the coiled hose (105) up through the large
hole in the back pressure regulator’s bracket (24).
8. Screw the adapter (159) at the end of the coiled
hose (105) into the tee (11k).
9. Slide the pipe adapter (11d) into the quick connec-
tor (11c), close, and tighten the captive screw.
Using the Quick Connectors
To open a quick connector (11c), loosen the captive
screw (S) and open the connector. Slide the desired
component into the connector, close, and tighten the
screw. See Fig. 2.
06278
Fig. 2
S
11c
Connect the Fluid Lines
Connect a 1 to 3 ft (0.3–0.9 m) hose (E) to the tee
(209) at the outlet of the fluid filter (206), to isolate the
pump module from the main fluid line. Connect the
other end of the hose to the main fluid line (F).
Connect the fluid return line (G) to the ball valve (14) at
the inlet of the back pressure regulator (12). The return
hose (21) connects the back pressure regulator to the
3-way recirculation valve (19). As an option, the return
hose may be connected to the return line fitting (155)
on the drum cover (114).
Connect the Air Line
Connect the main air supply line (A) to the tee (11k) of
the air filter/regulator/lubricator assembly (11).

10 308770
Installation
Fluid Heater
The fluid heater (201) heats the fluid as it passes
through, to maintain the correct spraying viscosity.
Read and understand all instructions in the supplied
heater manual (309524) before operating the heater.
WARNING
FIRE, EXPLOSION, AND ELECTRIC
SHOCK HAZARD
The Viscon HP Heater must be installed
by a qualified electrician in compliance
with all state and local codes and regula-
tions, to reduce the risk of electric shock
or other serious injury during installation
or operation.
When installing in a flammable atmo-
sphere (hazardous location) refer to
Article 500 of the US National Electric Code or
other applicable agency standards to plan the
work.
Refer to the Technical Data section and to the
supplied Viscon HP Heater manual (309524) for
information on heater power supply requirements.
Do not plug in or unplug a power cord in any area
containing flammable fluids or fumes, to avoid fire
or explosion resulting in serious injury.
Do not put all flammable materials and debris on
or near the heater. Keep the work area clean.
WARNING
COMPONENT RUPTURE HAZARD
Heat causes fluid to expand. If the
heated fluid is trapped with nowhere to
expand, it can cause component rupture.
Be sure to keep the heated fluid circulating (turn
the 3-way recirculation valve to the circulation
position). Do not install a fluid shutoff device
between the heater and the gun.
Conversion Modules
Heater Modules 239851 (240V), 239852 (240V), and
241883 (200V)
Heater Modules are available to convert the heated
circulation package to a different voltage. Each module
includes a heater configured to the desired voltage,
and mounting hardware. Instructions are included.
Surge Tank Module 239858
Part No. 239858 Surge Tank Module is available as an
accessory. The module includes a surge tank, stand,
and connecting hardware. Instructions are included.