Graco Fast-Flo A Series Bedienungsanleitung

2575

307427ZAF

Instructions-Parts List

Fast-Flo®Pump

Air-operated piston transfer pump for low viscosity fluids. For professional use only.

Only models that are EX certified are approved for use in European explosive atmosphere

locations (see page 4).

180 psi (1.2 MPa, 12.4 bar) Maximum Air Input Pressure

180 psi (1.2 MPa, 12.4 bar) Maximum Working Pressure

For models that are certified, see page 4.

Important Safety Instructions

Read all warnings and instructions in this

manual before using the equipment.

Save these instructions.

This symbol on the nameplate

means the product is listed by

ETL. (UL Standard No. 79,

Standard for Power-Operated

Pumps for Petroleum Produce

Dispensing Systems).

1:1 RATIO

Stubby

Pump

Bung-Mounted

Adjustable

Length Pump

Bung-Mounted

Drum Length Pump

2 307427ZAF

Contents

Pump Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

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

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

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Pump Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Pump Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Displacement Pump Service . . . . . . . . . . . . . . . . . 17

Displacement Pump Parts . . . . . . . . . . . . . . . . . . . 18

Displacement Pump Service . . . . . . . . . . . . . . . . . 23

Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Technical Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Graco Standard Warranty . . . . . . . . . . . . . . . . . . . 38

Warnings

The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The

exclamation point symbol alerts you to a general warning and the hazard symbols refer to procedure-specific risks.

When these symbols appear in the body of this manual or on warning labels, refer back to these Warnings.

Product-specific hazard symbols and warnings not covered in this section may appear throughout the body of this

manual where applicable. WARNING

EQUIPMENT MISUSE HAZARD

Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury.

• This equipment is for professional use only.

• Read all instruction manuals, tags, and labels before operating the equipment.

• Use the equipment only for its intended purpose. If you are uncertain about usage, call your Graco

distributor.

• Do not alter or modify this equipment. Use only genuine Graco parts and accessories.

• Check equipment daily. Repair or replace worn or damaged parts immediately.

• Do 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.

• 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.

• Securely mount the pump. Do not attempt to operate it while holding it.

• Do not use hoses to pull equipment.

• Route 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).

• Wear hearing protection when operating this equipment.

• Do not lift pressurized equipment.

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

307427ZAF 3

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.

• Ground the equipment and the object being sprayed. Refer to Grounding the System on page 8.

• If there is any static sparking or you feel an electric shock while using this equipment, stop

spraying/dispensing immediately. Do not use the equipment until you identify and correct the

problem.

• Provide fresh air ventilation to avoid the buildup of flammable fumes from solvents or the fluid being

sprayed/dispensed.

• Keep the spray/dispense area free of debris, including solvent, rags, and gasoline.

• Electrically disconnect all equipment in the spray/dispense area.

• Extinguish all open flames or pilot lights in the spray/dispense area.

• Do not smoke in the spray/dispense area.

• Do not turn on or off any light switch in the spray/dispense area while operating or if fumes are

present.

• Do not operate a gasoline engine in the spray/dispense 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.

• Know the specific hazards of the fluid you are using.

• Store hazardous fluid in an approved container. Dispose of hazardous fluid according to all local,

state and national guidelines.

• Any additives to the air supply, such as oil or anti-freeze will be exhausted into the atmosphere.

• Always wear protective eyewear, gloves, clothing and respirator as recommended by the fluid and

solvent manufacturer.

MOVING PARTS HAZARD

Moving parts can pinch or amputate your fingers.

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

• Before servicing the equipment, follow the Pressure Relief Procedure on page 11 to prevent the

equipment from starting unexpectedly.

WARNING

Pump Models

4 307427ZAF

Pump Models

ETL LISTED PUMPS

The following pumps are ETL listed for light viscosity

paints, lacquers, varnishes, thinners, solvents when

installed in accordance with NFPA (National Fire

Protection Association) Standards No. 30, Flammable

and Combustible Liquids Code, and No. 33 Spray

Finishing Using Flammable Materials. The ETL listed

pumps have been evaluated using ASTM Reference

Fuels A, C, H, I, and IRM No. 3 Oil and that any fluid

used in these pumps should be reviewed against these

fluids to determine suitability. The carbon steel pumps

are for non-corrosive fluids, and the stainless steel

pumps are for corrosives.

Stubby Pumps

Bung-Mounted Drum Length Pumps

‡ Model 686445 includes a spout, part no. 206265

* This model is certified.

**This model is certified.

NON-LISTED PUMPS

These pumps are for non-corrosive light viscosity fluids

such as anti-freeze, windshield washer solvent, ATF,

motor oil, and hydraulic oil.

Stubby Pumps

Bung-Mounted Drum Length Pumps

‡ Model 226951 has a suction tube that can be

extended 457 mm (18 in.). Non-extended pump length

is 724 mm (28.5 in.). Fully extended pump length is

1180 mm (46.4 in).

NON-LISTED PUMPS

These pumps are for general fluid transfer applications.

Stubby Pumps

Bung-Mounted Drum Length Pumps

Model No. Description Parts

Pages

**226943

Series B Carbon Steel, Leather

Packings 14, 18

*226944

Series B Carbon Steel,

Polyethylene Packings 14, 19

*226945

Series B Stainless Steel,

Polyethylene Packings 15, 28

Model No. Description Parts

Pages

**226940

Series B Carbon Steel, Leather

Packings 12, 18

**226941

Series B Carbon Steel,

Polyethylene Packings 12, 19

**226942

Series B Stainless Steel,

Polyethylene Packings 13, 27

686445

Series A‡Carbon Steel,

Polyethylene Packings 12, 19

II 2 G

Ex h IIB T6 Gb

II 1/2 G T6

ITS03ATEX11227

Model No. Description Parts

Pages

226948

Series B Carbon Steel, Rubber

Packings 14, 24

226952

Series B Stainless Steel, Rubber

Packings 15, 33

Model No. Description Parts

Pages

226947

Series B Carbon Steel, Rubber

Packings 12, 24

226951‡

Series B Carbon Steel, Rubber

Packings 16, 25

226953

Series B Stainless Steel, Rubber

Packings 13, 32

Model No. Description Parts

Pages

*237130

Series B Carbon Steel, Leather

Packings 14, 20

*237131

Series B Carbon Steel, PTFE

Packings 14, 22

*237132

Series B Stainless Steel, PTFE

Packings 15, 30

Model No. Description Parts

Pages

**237133

Series A Carbon Steel, Leather

Packings 12, 18

**237134

Series A Carbon Steel, PTFE

Packings 12, 21

**237129

Series A Stainless Steel, PTFE

Packings 13, 29

Installation

307427ZAF 5

Installation

General Information

• The Typical Installation shown in FIG. 2 is only a

guide for selecting and installing system

components. Contact your Graco distributor for

assistance in planning a system to suit your needs.

• Always use Genuine Graco Parts and Accessories.

• Reference numbers and letters in parentheses refer

to the callouts in the figures and the parts lists on

pages 12–33.

• For ETL listed pumps. All pipe joints are to be made

tight with ETL listed gasoline—resistant pipe

compound.

Grounding the System

To reduce the risk of static sparking, ground the pump

and all other equipment used or located in the pumping

area. Check your local electrical code for detailed

grounding instructions for your area and type of

equipment. Ground all of this equipment.

1. ETL—Listed Pumps: Use a ground wire, connector,

and clamp. See FIG. 1. Loosen screw (X). Insert one

exposed end of a 12 ga (1.5 mm2) minimum ground

wire (Y) through the eye of the ground terminal

connector (W) and tighten screw (X) securely.

Connect the other end of the wire to a true earth

ground. Order Part No. 237569 Ground Wire and

Clamp.

2. Non ETL-Listed Pumps: See FIG. 1. Remove the

ground screw (Z). Fasten the ground connector (W)

onto the pump with the ground screw (Z) and tighten

securely. Loosen screw (X). Insert one exposed end

of a 12 ga (1.5 mm2) minimum ground wire (Y)

through the eye of the ground terminal connector

(W) and tighten screw (X) securely. Connect the

other end of the wire to a true earth ground. Order

Part No. 222011 Ground Connector/Wire and

Clamp.

3. Air and fluid hoses: use only electrically conductive

hoses.

4. Air compressor: according to manufacturer’s

recommendations.

5. Dispensing valve: grounding is obtained through

connection to a properly grounded fluid hose and

pump.

6. Fluid supply container: according to local code.

7. Object being sprayed: according to local code.

8. All solvent pails used when flushing, according to

local code. Use only metal pails, which are

conductive. Do not place the pail on a

non-conductive surface, such as paper or

cardboard, which interrupts the grounding

continuity.

WARNING

FIRE AND EXPLOSION HAZARD

This pump must be grounded. Before

operating the pump, ground the system

as explained below. Also read the section

FIRE AND EXPLOSION HAZARD

on page 3.

FIG. 1

Installation

6 307427ZAF

Installation

Mounting the Pump

Always rigidly mount the pump to suit the type of

installation planned. Graco mounting accessories are

shown in the Accessories section. With 200 liter (55

gallon) drum length pumps, screw the bung adapter

(B) tightly into the bung hole of the drum and adjust to

hold the pump 13 mm (0.5 in.) off the bottom of the

drum. Loosen the vent plug (A) to prevent formation of

a vacuum in the drum. Stubby pumps may be mounted

on a wall or on the side of a drum with a clamp. Drum

pumps can also be mounted to the side of a drum.

NOTE: Refer to Dimensions on page 36 for pump

dimensions, and air inlet and fluid outlet sizes.

Key:

A Vent Plug

B Bung Adapter

C Air Line Lubricator

D Bleed-type Master Air Valve

E Air Line Filter

F Grounded Air Hose

G Fluid Drain Valve

H Fluid Outlet

J Pin Fitting

K Air Control Valve

(All Models except 226951)

L Air Line Coupler

M Grounded Fluid Hose

CC Air Regulator Kit

(Model 226951 only)

FIG. 2

Model 226951 only

Installation

307427ZAF 7

Installation

System Accessories

Refer to FIG. 2 and the Accessories section.

NOTE: To ensure maximum pump performance, be

sure that all accessories used are properly sized to meet

your system’s requirements.

Most models are supplied with a needle-type air control

valve (K) at the pump air inlet. Model 226951 is

equipped with an air regulator kit (CC) instead (see FIG.

3). All models are supplied with an air line quick

disconnect coupler (L) to connect the air line to thepump

and accessories.

For automatic air motor lubrication, install an air line

lubricator (C) downstream from the air regulator (if

supplied) and all other accessories. Install a bleed-type

master air valve (D) close to the pump. Next, install the

air regulator (CC), if supplied. Install an air line filter (E)

upstream from all other accessories, to remove harmful

dirt and moisture from the compressed air supply.

Using a suitable adapter, install the male disconnect pin

fitting (J) in the air filter inlet. Install the air line quick

disconnect coupler (L) on the air hose (F), but do not

connect it to the pin fitting yet.

Connect an electrically conductive fluid hose (M) to the

3/4 npt(f) fluid outlet.

Model 226951 Only

Using moderate force, extend the pump suction tube,

insert the pump into the drum or tank bung hole, and

screw the bung adapter (B) tightly into the bung hole.

Lift the pump about 13 mm (0.5 in.) and tighten the bung

adapter (B) screw to hold the pump. Loosen the vent

plug (A). Refer to FIG. 2.

All Other Models

Refer to FIG. 2 and to the mounting accessories shown

on page 34 for pump mounting methods.

WARNING

A bleed-type master air valve (D) and a fluid drain

valve (G) are required in your system, to help reduce

the risk of serious injury, including splashing fluid in

the eyes or on the skin, and injury from moving parts if

you are adjusting or repairing the pump.

The bleed-type master air valve (D) relieves air

trapped between this valve and the pump after the

pump is shut off. Trapped air can cause the pump to

cycle unexpectedly and result in serious injury,

including amputation. Locate the valve close to the

pump.

The fluid drain valve (G) helps relieve pressure in the

displacement pump, hose, and dispensing valve when

shutting off the pump. Actuating the dispensing valve

to relieve pressure may not be sufficient, especially if

there is a clog in the hose or the dispensing valve.

CAUTION

To prevent damaging the o-ring seals inside the suc-

tion tube, do not use excessive force when extending

the suction tube.

Model 226951 Shown

FIG. 3

Operation

8 307427ZAF

Operation

Pressure Relief Procedure

1. Shut off the air to the pump.

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

your system).

3. Hold a metal part of the dispensing valve firmly to

the side of a grounded metal pail, and trigger the

valve to relieve pressure.

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

to relieve all fluid pressure, having a container ready

to catch the drainage.

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

dispense again.

If you suspect that the nozzle or hose is completely

clogged, or that pressure has not been fully relieved

after following the steps above, very slowly loosen the

hose end coupling and relieve pressure gradually, then

loosen completely. Now clear the nozzle or hose.

Flush the Pump Before Using

The pump was tested in lightweight oil, which was left

in to protect pump parts. To prevent contamination of

the fluid you are pumping, flush the pump with a

compatible solvent before using it.

To flush the pump, connect a short hose to the pump

outlet, insert the pump intake into a pail of compatible

solvent, direct the hose into a pail, and start the pump

as explained at right.

Cycle the pump slowly for at least 5 minutes, then stop

and disconnect the air hose. Push up on the ball of the

intake valve (N) to drain the lower part of the pump.

See FIG. 4. Turn the pump over to drain the upper part

of the pump.

Starting and Adjusting the Pump

With the air valve (K) or regulator (CC) closed, turn on

the air supply and connect the air line coupler (L). See

FIG. 3 or FIG. 5. Make sure all dispensing valves are

open.

Slowly open the air valve (K) or regulator (CC) until the

pump cycles 5 to 20 cycles per minute. The pump itself

only takes a few strokes to prime. In a large system,

however, the pump may have to be cycled for

several minutes to fill all the lines. Once the entire

system is primed, use the air valve or regulator to

control pump speed and cycle rate; always use the

lowest pressure necessary to get the desired results.

When used for transfer and supply operations with no

dispensing valve, the pump will run whenever air is

supplied.

Pump Shutdown

1. Disconnect the air line coupler (L).

2. Relieve the pressure.

WARNING

PRESSURIZED EQUIPMENT HAZARD

The system pressure must be manually relieved to

prevent the system from starting or spraying

accidentally. To reduce the risk of an injury from

accidental spray from the gun, splashing fluid, or

moving parts, follow the

whenever you:Pressure Relief Procedure

• are instructed to relieve the pressure,

• stop spraying,

• check or service any of the system equipment,

• or install or clean the spray nozzle.

FIG. 4

WARNING

To reduce the risk of serious injury whenever you

are instructed to relieve pressure, always follow the

Pressure Relief Procedure at left.

Maintenance

307427ZAF 9

Maintenance

Fill the wet-cup (P) 1/2 full of Graco Throat Seal Liquid

(TSL) or compatible solvent and keep it 1/2 full to keep

fluid from drying on the displacement rod and damaging

pump throat packings. See FIG. 5.

Lubricate the throat packings frequently when you are

pumping a non-lubricating fluid, or are shutting down

for more than a few days. Some pumps have a grease

fitting (DD) for this purpose. See FIG. 5.

The accessory air line lubricator (C) provides automatic

air motor lubrication. To manually lubricate the motor,

disconnect the air line at the air motor inlet, put

about 15 drops of lightweight oil in the inlet, reconnect

the air line and turn on the air to blow oil into the motor.

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 the lines, prime the

pump and lines with fluid, or flush and leave filled with

compatible solvent. Be sure to eliminate all air from the

fluid system.

Periodically, check the tightness of the packing nut (P).

Relieve the pressure, then tighten enough to prevent

leakage; no tighter. See FIG. 5. If the leakage can not

be stopped, change the packings to prevent exposure

to the fluid being pumped.

WARNING

To reduce the risk of serious injury whenever you

are instructed to relieve pressure, always follow the

Pressure Relief Procedure on page 8.

WARNING

Do not attempt to adjust the packing nut with the

pump operating.

FIG. 5

Troubleshooting

10 307427ZAF

Troubleshooting

1. Relieve the pressure.

2. Check all other possible remedies before

disassembling the pump.

WARNING

To reduce the risk of serious injury whenever you

are instructed to relieve pressure, always follow the

Pressure Relief Procedure on page 8.

PROBLEM CAUSE SOLUTION

The pump fails to operate. Dirty or worn air motor. Clean, service; see the separate

motor manual 307456.

Inadequate air supply or restricted

lines. Clean lines or increase the air supply

(see Technical Data).

Closed or clogged air valves. Open or clear the valves.

Clogged fluid hose or valve. Clear the hose or valves.

Worn or damaged valves or seals. Service the valves or seals.

The pump operates, but the output

is low on both strokes. Clogged fluid hose or valve. Clear the hose or valves.

Exhausted fluid supply. Refill the fluid supply and reprime the

pump.

Worn or damaged valves or seals. Service the valve or seals.

The pump operates, but the output

is low on the downstroke. Held open or worn intake valve. Clear or service the valve.

Worn or damaged valves or seals. Service the valve or seals.

The pump operates, but the output

is low on the upstroke. Held open or worn piston valve. Clear or service the valve.

Worn or damaged valves or seals. Service the valve or seals.

Erratic or accelerated operation. Exhausted fluid supply. Refill the fluid supply and reprime the

pump.

Broken air motor compression

spring. Replace the spring.

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