Graco President E Series Bedienungsanleitung

Instructions – Parts List

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

PresidentrPump

WITH PRIMING PISTON

24:1 Ratio Models

4320 psi (29.8 MPa, 298 bar) Maximum Fluid Working Pressure

Part No. 205791, Series E

5 & 10 gallon (19 & 38 liter) Pail Size

Part No. 205792, Series E

55 gallon (200 liter) Drum Size

Part No. 206738, Series E

5 gallon (19 liter) Ram Size

48:1 Ratio Models

4800 psi (33.1 MPa, 331 bar) Maximum Fluid Working Pressure

Part No. 206597, Series F

5 & 10 gallon (19 & 38 liter) Pail Size

Part No. 206739, Series E

5 gallon (19 liter) Ram Size

306746K

Read warnings and instructions.

See page 2 Table of Contents.

TI1807A

WARNING

Never exceed 100 psi (0.7 MPa, 7 bar) maximum

air pressure to the 48:1 President pump. Do not

exceed the maximum working pressure of any

component or accessory used in the system.

Parts

2 306746

Table of Contents

Warnings 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installation 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operation 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Maintenance 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Troubleshooting 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Displacement Pump Service 12. . . . . . . . . . . . . . . . . . . .

Parts 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Dimensions 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Mounting Hole Layout 16. . . . . . . . . . . . . . . . . . . . . . . . . .

Technical Data 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Graco Warranty 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Graco Phone Numbers 18. . . . . . . . . . . . . . . . . . . . . . . . .

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 not sure, 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 of the lowest rated system component. Refer to the

Technical Data on page 17 for the maximum working pressure of this equipment.

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.

DDo not use hoses to pull equipment.

DRoute hoses away from traffic areas, sharp edges, moving parts, and hot surfaces. Do not expose

Graco hoses to temperatures above 82_C (180_F) or below –40_C (–40_F).

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.

306746 3

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.

DGround the equipment and the object being sprayed. Refer to Grounding on page 5.

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.

INJECTION HAZARD

Fluid from the dispense gun, hose leaks, or ruptured components can inject fluid into your body and

cause extremely serious injury, including the need for amputation. Splashing fluid in the eyes or on the

skin can also cause serious injury.

DFluid injected into the skin might look like just a cut, but it is a serious injury. Get immediate medi-

cal attention.

DDo not point the gun/valve at anyone or at any part of the body.

DDo not put your hand or fingers over the spray tip/nozzle.

DDo not stop or deflect fluid leaks with your hand, body, glove, or rag.

DIf spraying, always have the trigger guard on the gun when dispensing.

DIf the unit is equipped with a gun diffuser, check the gun diffuser operation weekly. Refer to the gun

mn l

manual.

DBe sure the gun/valve trigger safety operates before dispensing.

DLock the gun/valve trigger safety when you stop dispensing.

DFollow the Pressure Relief Procedure on page 8 if the nozzle clogs, and before cleaning, check-

ing or servicing the equipment.

DTighten all fluid connections before operating the equipment.

DCheck the hoses, tubes, and couplings daily. Replace worn, damaged, or loose parts immediately.

Do not repair high pressure couplings; you must replace the entire hose.

4 306746

WARNING

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.

MOVING PARTS HAZARD

Moving parts, such as the air motor piston, can pinch or amputate your fingers.

DKeep clear of all moving parts when starting or operating the pump.

DKeep your hands and fingers away from the priming piston and the fluid intake valve when the

pump is charged with air.

DBefore servicing the equipment, follow the Pressure Relief Procedure on page 8 to prevent the

equipment from starting unexpectedly.

306746 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. If you

supply your own accessories, be sure they are ade-

quately sized and pressure rated for your system.

Fig. 2 is only a guide for selecting and installing sys-

tem components and accessories. Contact your Graco

distributor for assistance in designing a system to suit

your particular needs.

Grounding

WARNING

FIRE AND EXPLOSION HAZARD

Before operating the pump, ground the

system as explained below. Also read

the section FIRE AND EXPLOSION

HAZARD on page 3.

1. Pump: To ground the pump, loosen the grounding

lug locknut (A) and washer (B). Insert one end of a

12 gal (1.5 mm2) minimum ground wire (D) into the

slot in lug (C) and tighten locknut securely. See

Fig. 1. Connect the other end of the wire to a true

earth ground. Check your local code.

TI1809A

Fig. 1

2. Air and fluid hoses: use only grounded hoses with

a maximum of 500 ft (150 m) combined hose

length to ensure grounding continuity.

3. Air compressor: follow manufacturer’s recommen-

dations.

4. Spray gun or dispensing valve: obtain grounding

through connection to a properly grounded fluid

hose and pump.

5. Object being sprayed: follow your local code.

6. Solvent pails used when flushing: follow your local

code. Use only metal pails, which are conductive,

placed on a grounded surface. Do not place the

pail on a nonconductive surface, such as paper or

cardboard, which interrupts the grounding continu-

ity.

7. To maintain grounding continuity when flushing or

relieving pressure, hold a metal part of the gun/

valve firmly to the side of a grounded metal pail,

then trigger the gun/valve.

6 306746

Installation

Mounting the Pump

Mount the pump to suit the type of installation planned.

The pump dimensions and mounting hole layout are

shown on page 16.

System Accessories

Refer to the Installation drawing and the information on

the following pages for assistance setting up your

system.

NOTE: To ensure maximum pump performance, be

sure that any accessory used is properly sized to meet

your system’s requirements.

Your system should include an air line filter (J) to

remove harmful dirt and moisture from your com-

pressed air supply. On the air line (E), each pump

should have a bleed–type master air valve (G), an air

regulator (F) and shutoff valve (O), and an air line oiler

(K) which must be installed downstream from the air

regulator. See Fig. 2.

WARNING

Two accessories, the bleed–type master air valve

(G), and the fluid drain valve (R), are required for

your system to reduce the risk of serious bodily

injury from moving parts or injection when shutting

off the pump.

The bleed–type air valve relieves trapped air

between the valve and the pump, after the pump is

shut off. Trapped air can cause the pump to cycle

unexpectedly and result in serious bodily injury if

you are adjusting or repairing the pump.

The fluid drain valve helps relieve fluid pressure in

the displacement pump, hose, and gun/dispensing

valve when shutting off the pump. Triggering the

gun/dispensing valve to relieve pressure may not

be sufficient, especially if there is a clog in the

hose, gun/dispensing valve, and/or tip/nozzle.

Connecting the Hoses

Connect a grounded air supply hose (E) to the 1/2

npt(f) air inlet or the air regulator. Connect a grounded

fluid dispensing hose (L) to the 1 in. npt fluid outlet,

using a suitable adapter. For more flexible gun move-

ment, use a shorter whip hose (grounded) (M) be-

tween the main fluid hose and the gun/valve.

306746 7

Installation

TI1808A

Fig. 2

KEY

EAir Supply Line

FAir Regulator

GBleed–Type Master Air Valve

HDrain Valve

JAir Line Filter

KAir Line Oiler

LFluid Hose

MWhip Hose

NFluid Shutoff Valve

OAir Shutoff Valve

1 in. npt

G1/2 npt(f)

8 306746

Operation

Pressure Relief Procedure

WARNING

FLUID INJECTION HAZARD

The system pressure must be manually relieved to

prevent the system from starting or spraying acci-

dentally. To reduce the risk of an injury from acci-

dental spray from the gun, splashing fluid, or

moving parts, follow the Pressure Relief Proce-

dure whenever you:

Dare instructed to relieve the pressure,

Dstop spraying,

Dcheck or service any of the system equipment,

Dor install or clean the spray nozzle.

1. Shut off the air supply to the pump.

2. Close the bleed-type master air valve (required in

your system).

3. Hold a metal part of the gun firmly to the side of a

grounded metal pail, and trigger the gun to relieve

pressure.

4. Open the drain valve (required in your system),

having a container ready to catch the drainage.

5. Leave the drain valve open until you are ready to

spray again.

If you suspect that the spray nozzle or hose is com-

pletely clogged, or that pressure has not been fully

relieved after following the steps above, very slowly

loosen the nozzle retaining ring or hose end coupling

and relieve pressure gradually, then loosen completely.

Now clear the nozzle or hose.

Flush Pump Before Using

Pumps are tested with lightweight oil which is left in to

protect the pump parts. To prevent contamination of

fluids, flush the pump with a compatible solvent before

using. If the pump will supply a circulating system,

circulate the solvent until the system is thoroughly

flushed.

WARNING

Be sure your entire system is properly grounded

before flushing. Refer to Fire or Explosion Haz-

ard on page 3. Relieve pressure, remove the tip

from the gun, then hold a metal part of the gun

firmly to the side of a grounded metal pail, and use

the lowest possible pressure to flush.

306746 9

Operation

Starting and Adjusting the Pump

Fill the wet–cup (25) half full with Graco Throat Seal

Liquid (TSL). With the drain valve and bleeder valve

closed, and the gun/valve safety disengaged, trigger

the gun/valve and slowly open the air supply valve until

the pump starts. If fluid does not flow from triggered

gun/valve, open the bleeder valve (12) slightly. See

Fig. 3. When fluid appears, close bleeder valve.

WARNING

Keep your hand and fingers away from the priming

piston and fluid intake valve (R) to reduce the risk

of serious bodily injury, including amputation.

With the pump and lines primed, and with adequate air

pressure and volume supplied, the pump will start and

stop as the spray gun/valve is triggered and released.

In a circulating system, it will run continuously and

speed up or slow down as supply demands until air

supply is shut off.

Use an adequately sized air regulator (F) to control

pump speed and fluid pressure. See the Installation

drawing on page 7. Always use the lowest pressure

necessary to give you the results you want.

Never exceed the maximum air pressure to the pump

(see Technical Data on page 17). TI1810A

Fig. 3

10 306746

Maintenance

WARNING

To reduce the risk of serious injury whenever you

are instructed to relieve pressure, always follow the

Pressure Relief Procedure on page 8.

Keep the wet–cup (25) filled with Graco Throat Seal

Liquid (TSL). See Fig. 3. Check tightness of packing

nut (36 or 60) weekly. The packing nut should be tight

enough to prevent leakage, but no tighter. Follow the

Pressure Relief Procedure on page 8 before adjust-

ing the packing nut.

Never allow the pump to run dry of fluid being pumped.

A dry pump will quickly accelerate to a high speed,

possibly damaging itself. If your pump accelerates

quickly, or is running too fast, stop it immediately and

check the fluid supply. If the supply container is empty

and air has been pumped into lines, prime pump and

lines with fluid, or flush and leave filled with compatible

solvent. Eliminate all air from fluid system.

For overnight shutdown, follow the Pressure Relief

Procedure on page 8. Always stop the pump at the

bottom of its stroke to keep fluid from drying on the

exposed displacement rod. Always flush the pump

before the fluid dries on the rod. If the pump is to be

stored, and you are pumping water–based fluids, first

flush with water, then with mineral spirits to protect the

pump parts.

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