Graco Fire-ball 425 Bedienungsanleitung

Instructions – Parts List

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

75:1 Fire-Ballr425 Pumps

For pumping non–corrosive and non–abrasive

greases and lubricants only.

100 psi (0.7 MPa, 7 bar) Maximum Air Input Pressure

7500 psi (52 MPa, 517 bar) Maximum Working Pressure

Model No. 239729, Series B

120 lb (55 kg) drum length

Model No. 239730, Series B

400 lb (180 kg) drum length

Model No. 239731, Series B

stubby length

308777K

06306B

Model 239730 Shown

WARNING

This pump is designed to be used only in pumping

non-corrosive and non-abrasive oils and lubricants.

Any other use of the pump can cause unsafe oper-

ating conditions and component rupture, which can

result in fluid injection, other serious injury, or fire or

explosion.

Important Safety instructions

Read all warnings and instructions in this manual.

Save these instructions.

2 308777K

Table of Contents

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

Installation 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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

Maintenance 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Troubleshooting 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Service 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Parts Drawing 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Parts List 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Dimensions 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Mounting Hole Layout 19. . . . . . . . . . . . . . . . . . . . . . . . . .

Technical Data 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Warranty 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Graco Phone Number 20. . . . . . . . . . . . . . . . . . . . . . . . . .

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

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 stated on the equipment or in the Technical Data

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.

DHandle hoses carefully. Do not pull on hoses to move equipment.

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

Graco hoses to temperatures above 66_C (150_F) or below –40_C (–40_F).

DWear hearing protection when operating this equipment.

DDo not move or lift pressurized equipment.

DComply with all applicable local, state, and national fire, electrical, and safety regulations.

308777K 3

WARNING

SKIN INJECTION HAZARD

Fluid from the valve, leaks, or ruptured components can inject fluid into your body and cause ex-

tremely serious injury, including the need for amputation. Fluid splashed in the eyes or on the skin can

also cause serious injury.

DFluid injected into the skin is a serious injury. The injury may look like just a cut, but it is a serious

injury. Get immediate surgical treatment.

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

DDo not put your hand or fingers over the end of the dispensing valve.

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

DDo not “blow back” fluid; this is not an air spray system.

DFollow the Pressure Relief Procedure on page 8 before you clean, check, or service the

equipment.

DUse only extensions and nozzles that are designed for use with your dispensing valve.

DTighten all fluid connections before operating the equipment.

DCheck the hoses, tubes, and couplings daily. Replace worn or damaged parts immediately. Do not

repair high pressure couplings; you must replace the entire hose.

MOVING PARTS HAZARD

Moving parts can pinch or amputate your fingers.

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

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

prevent the equipment from starting unexpectedly.

4 308777K

WARNING

FIRE AND EXPLOSION HAZARD

Improper grounding, poor ventilation, open flames or sparks can cause a hazardous condition and re-

sult in a fire or explosion and serious injury.

DGround the equipment and the object being dispensed to. See Grounding on page 6.

DIf there is any static sparking or you feel an electric shock while using this equipment, stop dis-

pensing 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 dispensed.

DKeep the dispensing area free of debris, including solvent, rags, and gasoline.

DDo not smoke in the dispensing area.

DNever use 1.1.1–trichloroethane, methylene chloride, other halogenated hydrocarbon solvents or

fluids containing such solvents in pressurized aluminum equipment. Such use could result in a

chemical reaction, with the possibility of explosion.

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.

DThe air motor exhausts any fluids added to the input air.

DGraco does not manufacture or supply the reactive chemical components that may be used in this

equipment and is not responsible for injury or property loss, damage, expense or claims (direct or

consequential) that arise from the use of such chemical components.

308777K 5

Notes

6 308777K

Installation

Mounting the Pump

DSelect a convenient location for the equipment to

ensure easy operator access to the pump air

controls, sufficient room to change supply contain-

ers, and a secure mounting platform.

DIf you are mounting the pump directly on the supply

tank, position the pump so its intake valve is no

more than 1 in. (25 mm) from the bottom of the

container. Mount the pump to the cover or other

suitable mounting device.

WARNING

Mount the pump securely so that it cannot move

around during operation. Failure to do so could

result in personal injury or equipment damage.

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 accesso-

ries, available from your Graco distributor.

Grounding

WARNING

FIRE AND EXPLOSION HAZARD

Before operating the pump, ground the

system as explained below. Also read

the section FIRE OR EXPLOSION HAZ-

ARD on page 4.

To reduce the risk of static sparking, ground the pump.

Check your local electrical code for detailed grounding

instructions for your area and type of equipment. Be

sure to ground all of this equipment:

DPump: Use a ground wire and clamp as shown in

Fig. 1. Remove the ground screw (Z) and insert

through the eye of the ring terminal at end of

ground wire (Y). Fasten the screw back onto the

pump and tighten securely. Connect the other end

of the wire to a true earth ground. To order a

ground wire and clamp, order Part No. 222011.

DAir and fluid hoses: Use only electrically conductive

hoses.

DAir compressor: Follow manufacturer’s recommen-

dations.

DDispensing valve: Ground through connection to a

properly grounded fluid hose and pump.

DObject being dispensed to: Follow your local code.

DSolvent 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.

DTo maintain grounding continuity when flushing or

relieving pressure, hold a metal part of the dispens-

ing valve firmly to the side of a grounded metal pail,

then trigger the gun.

Fig. 1

TI1052

308777K 7

Installation

Mount the pump to suit the type of installation planned.

Very heavy lubricants may require an inductor plate.

See Dimensions on page 18 and Mounting Hole

Layout on page 19.

Install the air line accessories in the approximate order

shown in Fig. 2. Install a bleed-type master air valve

(B) within easy reach of the pump, upstream from the

air regulator (E). Install an air filter (C) to remove

harmful dirt and moisture from your compressed air

supply. For automatic air motor lubrication, install an

air line oiler (D) close to the pump air inlet. Install an

air regulator (E) to control pump speed.

The installations shown in Fig, 2 is only a guide for

selecting and installing system components and acces-

sories. Contact your Graco distributor for assistance in

designing a system to suit your particular needs.

If you supply your own accessories, be sure they are

adequately sized and pressure-rated to meet the

system requirements.

WARNING

A bleed-type master air valve (B) is required to

shut off and relieve air pressure that may be

trapped in the air motor. Trapped air could cause

the pump to cycle unexpectedly and cause serious

bodily injury, including amputation.

Be sure the air hose is properly sized to deliver an

adequate supply of air to the motor. See Technical

Data on page 19.

Connect a grounded dispensing hose (F) to the

3/8 npt(f) pump outlet. Install an appropriate gun or

dispensing valve (G) to the hose.

Ground the pump as explained in Grounding on

page 6.

Fig. 2

Key

A Grounded air line

B Bleed-type master air valve

C Air filter

D Air line oiler

E Air regulator

F Grounded dispensing hose

G Dispensing valve

H Elevator assy. with inductors

J Ground wire

Typical Installation

06309

8 308777K

Operation

WARNING

DThis pump is designed to be used ONLY in

pumping non-corrosive and non-abrasive lubri-

cants and greases. Any other use of this pump

can cause unsafe operating conditions and

result in component rupture, fire, or explosion,

which can can cause serious bodily injury,

including injection.

DMoving parts can pinch or amputate your fin-

gers or other body parts. When the pump is

operating, the priming piston (located at the

pump intake) and the air motor piston (located

behind the air motor plates) move. Never

operate the pump with the air motor plates

removed, and keep your fingers and hands

away from the priming piston.

Pressure Relief Procedure

WARNING

SKIN INJECTION HAZARD

Fluid under high pressure can be in-

jected through the skin and cause

serious injury. To reduce the risk of an

injury from injection, splashing fluid, or moving

parts, follow the Pressure Relief Procedure

whenever you

DAre instructed to relieve the pressure

DStop dispensing

DCheck or service any of the system equipment

DInstall or clean the dispense valve tip

1. Close the air regulators.

2. Close the supply pump’s bleed-type master air

valve (required in this system).

3. Open the dispensing valve until pressure is fully

relieved.

If you suspect that the dispensing valve, extension, or

grease fitting coupler is clogged, or that pressure has

not been fully relieved after following the steps above,

very slowly loosen the coupler or hose end coupling

and relieve pressure gradually, then loosen completely,

then clear the clog.

Startup and Adjustment

Open the bleed-type master air valve. Open the

dispensing valve and slowly open the air regulator until

the pump is running smoothly. After all the air is

purged, close the dispensing valve. The pump starts

and stops as the valve is opened and closed.

CAUTION

Never allow the pump to run dry of the fluid being

pumped. A dry pump quickly accelerates to a high

speed and may damage itself. If your pump acceler-

ates quickly, or is running too fast, stop it immediate-

ly and check the fluid supply. If the supply container

is empty and air has been pumped into the lines,

prime the pump and lines with fluid, or flush the

pump and leave it filled with a compatible solvent.

Be sure to eliminate all air from the fluid system.

Use the air regulator (E) to control the pump speed

and fluid pressure. See Fig. 2. Always use the lowest

pressure necessary to obtain the desired results.

When you are done using the pump for the day, al-

ways follow the Pressure Relief Procedure at left.

Maintenance

The accessory air line oiler (D) provides automatic air

motor lubrication. For daily manual lubrication, discon-

nect the air hose, place about 15 drops of light ma-

chine oil in the air inlet, reconnect the hose, and turn

on the air supply to blow oil into the motor.

308777K 9

Troubleshooting

WARNING

To reduce the risk of serious injury whenever you

are instructed to relieve pressure, always follow the

Pressure Relief Procedure on page 8.

Before servicing this equipment always make sure to

Relieve the Pressure.

Note: Check all possible problems and solutions

before disassembling the pump.

Problem Cause Solution

Pump fails to operate. Inadequate air supply pressure or

restricted air lines

Increase air supply; clear

Closed or clogged valves Open; clean

Clogged fluid lines, hoses, valves,

etc.

Clear*

Damaged air motor Service air motor

Exhausted fluid supply Refill and reprime, or flush

Continuous air exhaust Worn or damaged air motor gasket,

packing, seal, etc.

Service air motor

Erratic pump operation Exhausted fluid supply Refill and reprime, or flush

ppp

Held open, or worn intake valve or

piston packings

Clear; service

Pump operates, but output low on

upstroke

Held open, or worn piston or packings Clear; service

Pump operates, but output low on

downstroke

Held open or worn intake valve Clear; service

Pump operates, but output low on

both strokes

Inadequate air supply or restricted air

lines

Increase air supply; clear

Closed or clogged valves Open; clean

Exhausted fluid supply Refill and reprime, or flush

Clogged fluid lines, hoses, valves,

etc.

Clear*

Packing nut too tight Loosen

Loose packing nut or worn packings Tighten; replace

* Follow the Pressure Relief Procedure, and disconnect the fluid line. If the pump starts when the air is turned

back on, the fluid line, hose, valve, etc., was clogged.

10 308777K

Displacement Pump Service

Fig. 3

06308

}65

}74

}59

}75

}76

73}1

}69

80 2

66}

62}

}62 68

Lips of v-packings

must face up.

Torque to 50 to 70 ft-lb

(68 to 95 NSm).

06336

1/4” ROD

Ref. No. 63 (copper gasket) and

Ref. No. 60}(cotter pin), see

Parts Drawing on page 16.

}59

}Included in Repair Kit

239734, which may be

purchased separately.

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