Instructions – Parts List
Parts
STAINLESS STEEL (ASME)
2-Gallon Pressure Tanks
Maximum Air Inlet Pressure: 100 psi (0.7 MPa, 7 bar)
Maximum Working Fluid Pressure
Low-Pressure Regulated Tank: 15 psi (0.1 MPa, 1 bar)
(for HVLP or low-pressure, fine-adjustment applications)
High-Pressure Regulated Tank: 100 psi (0.7 MPa, 7 bar)
Pressure Tank Regulation Pressure Tank Pressure Tank with Agitator
Low Pressure
High Pressure
* These items are CE marked. { These items are
236155 ** 236156 * {
236157 ** 236158 * {
0359
II 1/2 G T6
ITS03ATEX11251
308370L
** These items conform to the Pressure Equipment Directive; however, they are not CE marked per said directive.
All items are intended for flammable liquids and are assessed to the Pressure Equipment Directive as such.
03094B
Low-Pressure Tank
with Agitator
03092A
Low-Pressure Tank
GRACO INC.ąP.O. BOX 1441ąMINNEAPOLIS, MNą55440-1441
Copyright 1994, Graco Inc. is registered to I.S. EN ISO 9001
03098B
High-Pressure Tank
with Agitator
03096A
High-Pressure Tank
Table of Contents
Warnings 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Typical Systems 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts Drawings and Lists
236859, Agitator 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
236155, Low-Pressure Tank 10. . . . . . . . . . . . . . . . . .
236156, Low-Pressure Tank with Agitator 12. . . . . . .
236157, High-Pressure Tank 14. . . . . . . . . . . . . . . . . .
236158, High-Pressure Tank with Agitator 16. . . . . .
Symbols
Warning Symbol
WARNING
This symbol alerts you to the possibility of serious
injury or death if you do not follow the instructions.
Accessories 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dimensions 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Data 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Graco Standard Warranty 20. . . . . . . . . . . . . . . . . . . . . .
Graco Information 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Caution Symbol
CAUTION
This symbol alerts you to the possibility of damage to
or destruction of equipment if you do not follow the
instructions.
INSTRUCTIONS
WARNING
EQUIPMENT MISUSE HAZARD
Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury.
D This equipment is for professional use only.
D Read all instruction manuals, tags, and labels before operating the equipment.
D Use the equipment only for its intended purpose. If you are not sure, call your Graco distributor.
D Do not alter or modify this equipment. Use only genuine Graco parts.
D Check equipment daily. Repair or replace worn or damaged parts immediately.
D Do not exceed the maximum working pressure of the lowest-rated component in your system. The
maximum working fluid pressure of the low-pressure regulated tanks is 15 psi (0.1 MPa, 1 bar).
The maximum working fluid pressure of the high-pressure regulated tanks is 100 psi
(0.7 MPa, 7 bar)
D Use fluids and solvents which are compatible with the equipment wetted parts. Refer to the
Technical Data section of all equipment manuals. Read the fluid and solvent manufacturer’s
warnings.
D Always wear protective eyewear, gloves, clothing, and respirator as recommended by the fluid and
solvent manufacturer.
D Comply with all applicable local, state, and national fire, electrical, and safety regulations.
2 308370
WARNING
FIRE AND EXPLOSION HAZARD
Improper grounding, poor ventilation, open flames, or sparks can cause a hazardous condition and
result in a fire or explosion and serious injury.
D Ground the equipment and the object being sprayed. Refer to Grounding on page 5.
D If 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.
D Do not use 1,1,1–trichloroethane, methylene chloride, other halogenated hydrocarbon solvents, or
fluids containing such solvents in aluminum pumps. Such use could result in a serious chemical
reaction, with the possibility of explosion.
D Do not use kerosene or other flammable solvents or combustible gases to flush the unit.
D Provide fresh air ventilation to avoid the buildup of flammable fumes from solvents or the fluid
being sprayed.
D Keep the spray area free of debris, including solvent, rags, and gasoline.
D Before operating this equipment, electrically disconnect all equipment in the spray area.
D Before operating this equipment, extinguish all open flames or pilot lights in the spray area.
D Do not smoke in the spray area.
D Do not turn on or off any light switch in the spray area while spraying or while there are any fumes
in the air.
D Do not operate a gasoline engine in the spray area.
MOVING PARTS HAZARD
Moving parts, such as the rotating blades of the agitator, can pinch or amputate your fingers or other
body parts and can cause splashing in the eyes or on the skin.
D Keep clear of all moving parts when starting or operating the agitator.
D Always shut off the agitator and disconnect the air line before adjusting the angle of the agitator,
removing the agitator from the drum, or checking or repairing any part of the agitator.
HAZARDOUS VAPORS
Hazardous fluids or toxic fumes can cause serious injury or death if splashed in the eyes or on the
skin, swallowed, or inhaled. When flushing the air motor, keep your face away from the exhaust port.
United States Government safety standards have been adopted under the Occupational Safety and Health Act. You
should consult these standards -- particularly the General Standards, Part 1910, and the Construction Standards,
Part 1926.
3308370
Typical System
Reference numbers and letters in parentheses in the text refer to references in the illustrations and the parts
drawings.
See page 18 for Accessories that are available from Graco. Be sure that all accessories are properly sized to
withstand the pressures in the system.
B
KEY
A Air supply hose
B Main air supply
C Ground clamp & wire
(Required)
D Atomizing air hose
E Fluid hose
F Air spray gun
G Air regulator & filter:
1/4–18 npt outlets (2)
1/2–14 npt inlet
H Agitator air hose
J Tank air regulator
K Fluid outlet ball valve;
3/8–18 npsm(m) x 3/8–18 npt(m)
5 Pipe plug
12 Safety valve
15 Air inlet ball valve;
1/4–18 npt(m)
113 Needle valve
Fig. 1
F
G
J
D
A
15
5
113
H
E
K
12
C
03287A
4 308370
Installation
WARNING
FIRE AND EXPLOSION HAZARD
Always maintain a minimum of 1 in.
clearance between rotating agitator parts
and container to prevent sparks from
contact.
Grounding
Check your local code for detailed grounding
instructions for your area and type of equipment. Be
sure to ground the pressure tank by connecting one
end of a 12 awg (1.5 mm@) minimum ground wire to
the pressure tank and the other end of the wire to a
true earth ground.
Pressure Relief Procedure
WARNING
PRESSURIZED EQUIPMENT HAZARD
The pressure tanks remain pressurized until pressure is manually relieved. To reduce the risk of
serious injury from pressurized fluid or accidental
spray from the gun, always follow this procedure to
relieve pressure in the tank at the following times:
D Before you check or service any part of the
spray system
D Before you loosen or remove the pressure tank
cover or fill port
D Whenever you stop spraying
1. Shut off the air supply to the tank by closing the air
inlet valve (15). Refer to Fig. 2.
2. Open the drain cock fitting (7) by turning it
counterclockwise. Refer to Fig. 3.
3. Wait until there is no air escaping through the drain
cock fitting before removing the cover or opening
the fill port.
4. Leave the drain cock fitting (7) open until you have
reinstalled the cover or fill port.
Connecting Hoses
See Fig. 2. Connect an air supply hose to the 1/4
npt(m) air inlet valve (15) and your air supply. Install an
air regulator and filter (G) upstream from the air inlet
valve to remove dirt and moisture from your air supply.
See Accessories on page 18. Connect a fluid hose
(E) between the 3/8 npsm(m) outlet valve (K) and the
fluid inlet of your spray gun.
To add a second air regulator to control air to a spray
gun, see Accessories on page 18 for Gun Air
Regulator Kit. The second air regulator installs in place
of pipe plug (5). See Fig. 3.
4
7
11
17
20
Fig. 2
15
03286A
14
Fig. 3
26
5
03091A
5308370
Installation
Recommended Hose Sizes (general purpose)
Fluid
Air
113
For runs of: Use: For runs of: Use:
0 to 35 ft (0 to 11 m) 3/8” ID
35 to 100 ft (11 to 30 m) 1/2” ID
100 to 200 ft
(30 to 61 m) 3/4” ID
0 to 50 ft (0 to 15 m) 5/16” ID
50 to 100 ft (15 to 30 m) 3/8” ID
100 ft+ (30 m+) 1/2” ID
Installing An Agitator
1. Follow the Pressure Relief Procedure on
page 5.
WARNING
PRESSURIZED EQUIPMENT HAZARD
This is a pressurized tank. Always follow the Pressure Relief Procedure on page 5 before opening
the tank cover or fill port. This reduces the risk of
serious injury, including splashing in the eyes or on
the skin, or injury from moving parts. These injuries
can result if the tank pressure is not fully relieved.
2. Remove the cover (26) from the tank. Remove the
hex jam nut (14) from bottom of the cover.
Remove the o-ring (20), adapter plug (17), and
handle (4). Keep the hex jam nut (14). See Fig. 3.
114
217
218
14
Fig. 4
112
111
105
10
220
221
222
223
224
03093A
3. Fit the gasket (217) under the coupling housing
(112), and place the motor shaft (111) through
cover’s center hole. Screw the hex jam nut (14)
onto the coupling housing, and torque it to 50 ft-lb
(68 N-m). See Fig. 4.
4. Position the shaft coupling (218) over the motor
shaft (111), and tighten the top setscrew into shaft.
Insert the shaft (220) into the shaft coupling, and
tighten the lower setscrew into the shaft. Thread
on the nut (221), mixer blade (222), washer (223),
and nut (224). See Fig. 4.
5. Connect the elbow (105) to the manifold (10) in
place of plug. Connect the agitator hose (114) to
the elbow (105). See Fig 4.
6 308370
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