Graco President A Series Bedienungsanleitung

Instructions – Parts List

GRACO INC.ąP.O. BOX 1441ąMINNEAPOLIS, MNą55440-1441

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

Detail of Air Controls

150

101

102

105

206

11h

208

11a 11b

11j

109

114

202

201

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.

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.

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

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.

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