Graco 222461 Manuale operativo

308113KINSTRUCTIONS-PARTS LIST

Important Safety Instructions

Read all warnings and instructions in this manual.

Save these instructions.

Electronic Lubricant Valve, Metered or Unmetered

Hi-Flow In-Line Dispense Valves

1500 psi (105 bar) Maximum Working Pressure

FOR USE WITH PETROLEUM-BASED LUBRICANTS ONLY

WITHOUT METER

222461 For Oil, includes cap

222561 For Oil, includes Hi-Flow nozzle

WITH ELECTRONIC METER

Measures in gallons/quarts/pints*

222471 For Oil, includes cap {

222441 For Oil, includes Hi-Flow nozzle {

*Meter is factory-set in quarts

Measures in liters

222571 For Oil, includes cap {}

222541 For Oil, includes Hi-Flow nozzle {}

{These products contain P/N 222560

which is Factory Mutual

approved as intrinsically safe for

Class I, Division1, Groups A,B,C,D.

}These products contain P/N 222660

which is listed by the Canadian

Standards Association as certified

as intrinsically safe for Class I,

Division 1, Groups A,B,C,D.

GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441

Graco Inc. is registered to I.S. EN ISO 9001

02235

02234

02233

02232

MODEL 222471

or 222571

MODEL 222441

or 222541

MODEL 222561

MODEL 222461

2 3081132

Table of Contents

Graco Phone Number 2. . . . . . . . . . . . . . . . . . . . . . . . . . .

Technical Data 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Warnings 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operation

Electronic Meter 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Dispense Valves 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Troubleshooting

Electronic Meter 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Dispense Valve 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Service

Electronic Meter 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Dispense Valve 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Parts Lists and Drawings

Dispense Valve 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Unmetered Dispense Valves 11. . . . . . . . . . . . . . . . . .

Electronic Meter 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Graco Warranty 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Graco Phone

Number

TO PLACE AN ORDER, contact your Graco

distributor, or call this number to identify the distributor

closest to you: 1–800–533–9655 Toll Free

Technical Data

Electronic Meter

Flow range* 0.12 to 12.0 gpm. . . . . . . . . . . . . . . . . . . . .

0.456 to 45.6 lpm

Maximum operating pressure 1500 psi (105 bar). . . . .

Weight (bare meter) 1.9 lb (0.95 kg). . . . . . . . . . . . . . . .

Units of measurement Factory-set in quarts.. . . . . . . . .

Display shows quantity in 0.01 increments

up to 199.99 gallons, quarts, or pints.

Totalizes in gallons or liters up to 19,999 units.

Inlet and outlet 1/2 npt, non-directional flow. . . . . . . . . .

Operating temperature range –4_F to 130_F. . . . . . .

(–20_C to 55_C)

Storage temperature range –40_F to 140_F. . . . . . . .

(–40_C to 60_C)

Battery specifications

Rated discharge current 100 microamps. . . . . . . . . .

Rated capacity 1.0 amp hour. . . . . . . . . . . . . . . . . . . .

Maximum continuous discharge

current 1.0 milliamp. . . . . . . . . . . . . . . . . . . . . . . . . . .

Wetted parts aluminum, nickel, bronze,. . . . . . . . . . . . .

stainless steel #304, carbon steel,

cast ALNICO 8, nitrile rubber

Dispense Valve

Flow capability 12.0 gpm (45 lpm). . . . . . . . . . . . . . . . .

at 50 psi (3.5 bar) pressure loss

using hydraulic fluid

Maximum operating pressure 1500 psi (103 bar). . . . .

Weight (without meter) 4 lb (1.8 kg). . . . . . . . . . . . . . . .

Inlet and outlet 1/2 npt. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Wetted parts aluminum, carbon steel,. . . . . . . . . . . . . . .

copper, polyurethane, nitrile rubber

*Tested in No. 10 motor oil. Flow rates vary with fluid

pressure and viscosity.

308113 3

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 you operate this equipment.

DUse the equipment only for its intended purpose. If you are not sure, call your Graco

representative.

DDo not alter or modify this equipment.

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 2 for the maximum working pressure of this component.

DUse fluids and solvents that 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.

DDo not use 1,1,1–trichloroethane, methylene chloride, other halogenated hydrocarbon solvents or

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

chemical reaction, with the possibility of explosion.

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).

DDo not lift pressurized equipment.

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

WARNING

INSTRUCTIONS

4 3081134

SKIN INJECTION HAZARD

Spray from the dispensing valve, leaks, or ruptured components can inject fluid into your body and

cause extremely 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 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 at 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.

DUse only extensions and no-drip tips that are designed for use with your dispensing valve.

DDo not use a low-pressure flexible nozzle with this equipment.

DFollow the Pressure Relief Procedure on page 7 before you clean, check, or service this

equipment.

DTighten all fluid connections before you operate this 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.

WARNING

308113 5

Operation – Electronic Meter

Never operate the meter with the black plastic

cover removed. The cover protects the meter from

damage due to impact. Meters are factory sealed

to keep moisture and dirt out. See the Service

section before you service the meter.

CAUTION

To prevent line contamination, which can cause

equipment malfunction or damage, flush the lines

before you install this equipment in the system.

CAUTION

To Activate the Digital Display

Press the RESET key pad to clear the meter before

you start a new dispense cycle. This is the best way

to activate the meter, because it also clears the

quantity of the last dispense cycle.

The digital display can also be activated by pressing

the TOTAL key pad or by running fluid through the me-

ter. See Fig. 1.

NOTE: The digital display of the meter goes blank

after approximately two minutes of non-use.

Function of TOTAL

When the digital display is blank, press and release the

TOTAL key pad to display the quantity of the last dis-

pense cycle. See Fig. 2.

To see the accumulated total of fluid dispensed

through the meter, press and hold the TOTAL key pad.

The accumulated total is shown in gallons for the

gallon/quart/pint meter, and in liters for liter meter. The

meter can accumulate a running total of up to 19999

gallons (or liters) dispensed before returning to zero.

See Fig. 3.

Function of RESET

Press the RESET key pad to clear the quantity of the

last dispense cycle and return the digital display to all

zeros. See Fig. 1.

To Change the Measurement Units

(gallon/quart/pint meter only)

The meter is factory-set to dispense in quarts. To

change the measurement units, press and hold the

RESET key pad until the measurement unit on the

right side of the digital display is flashing. Then press

the TOTAL key pad until the desired measurement unit

is shown. Release both key pads. See Fig. 4.

To be sure the proper amount of fluid is dispensed,

always use the same measurement unit for a par-

ticular fluid.Units should be changed only by autho-

rized employees.

CAUTION

For Maximum Dispensing Accuracy

(gallon/quart/pint meter only)

Set the meter to dispense in pints or quarts when dis-

pensing 1 gallon or less.

Always press the RESET key pad to clear the meter

before a new dispense cycle.

QTS

PTS

PINTS

QUARTS

GALLONS GAL

GAL

GRACO

Press RESET to

clear

TOTAL RESET

EXAMPLE OF ACCUMULATED TOTAL

DIGITAL DISPLAY

EXAMPLE OF MEASUREMENT UNITS

Fig. 1

Fig. 2

Fig. 3

QTS

Fig. 4

EXAMPLE OF TOTAL FOR

LAST DISPENSE CYCLE

6 3081136

Operation – Metered and Unmetered

Dispense Valves

Fig. 5

Rotate knurled sleeve of coupler (b)

clockwise to open it for dispensing

Unscrew before dispensing fluid

02229

WARNING

To reduce the risk of fluid injection, always grasp

the nozzle housing (B) from the threaded end, not

from the front, when you adjust the nozzle.

To prevent line contamination, which can cause

equipment malfunction or damage, flush the lines

before you install this equipment in the system.

CAUTION

If you are not using a Hi-Flow nozzle, remove the cap

(A) from the tube. See Fig. 5.

To dispense from the Hi-Flow nozzle (B), turn the

knurled sleeve clockwise until it is open. Trigger the

valve. See Fig. 5.

When the dispense cycle is completed, release the

trigger, and close the nozzle by screwing the knurled

sleeve fully counterclockwise. See Fig. 5.

For electronic metered valves, press the RESET key

pad on the meter to clear it before the next dispense

cycle. See Fig. 1.

Trigger the dispense valve. Lubricant begins to flow

with the slightest movement of the trigger and contin-

ues to flow until the trigger is released.

When you dispense lightweight fluids, such as auto-

matic transmission fluid, increase the free play of the

dispense valve trigger. This reduces the flow and re-

duces splashing of the fluid. To adjust the trigger free

play, loosen the adjusting screw locknut (C). Back the

screw (D) out until the desired flow is achieved, then

tighten the locknut securely. See Fig. 6.

To lock the control valve in the open position, engage

the trigger latching pin in the latch (E). See Fig. 6. To

release the latch, squeeze and release the trigger.

02231

Fig. 6

Clean the strainer frequently. See page 9 for

instructions.

308113 7

Troubleshooting – Electronic Meter

PRESSURIZED EQUIPMENT HAZARD

The equipment stays pressurized until

pressure is manually relieved. To re-

duce the risk of serious injury from pres-

surized fluid, accidental spray from the dispenser

or splashing fluid, follow the Pressure Relief Pro-

cedure whenever you:

DAre instructed to relieve pressure

DStop dispensing

DCheck, clean, or service any system equipment

DInstall or clean fluid nozzles

WARNING Pressure Relief Procedure

1. Turn off the power supply to the pump.

2. Trigger the valve into a waste container to relieve

pressure.

3. Open any bleed-type master air valves and fluid

drain valves in the system.

4. Leave the drain valve open until you have com-

pleted repairs and are ready to pressurize the sys-

tem.

NOTE: Before you check or repair the meter, be sure

all other valves, controls, and the pump are operating

properly. Also see Troubleshooting – Dispense

Valve on page 9.

Problem Cause Solution

Digital display does not

activate.

Electronic control is malfunctioning. Replace the electronic control.

Order Part No. 235878

for gallons/quarts/pints.

Order Part No. 235901

for liters.

There is no fluid flow. Metering unit is malfunctioning. Replace the metering unit.

Order Part No. 235873

for gallons/quarts/pints.

Order Part No. 235904

for liters.

Dispense valve strainer is clogged. Remove and clean strainer.

Digital display is dim. Battery in electronic control is worn. Replace electronic control within

approximately one week of when you

notice the dimness.

See the part numbers above.

8 3081138

Service – Electronic Meter

To avoid damaging the electronic components of

the control:

DAlways use the personal grounding strap

provided with a replacement metering unit

and electronic control when you remove the

cover (1), and while you replace the parts.

This strap protects the electronic

components from damage due to

electrostatic discharge.

DDo not lay anything on the control.

DBe sure the open side of the control faces up

if you lay it down.

DDo not twist or force parts. Align parts

properly as instructed.

CAUTION

WARNING

To reduce the risk of a fire, explosion, and serious

burns to the body, handle and dispose of a used

electronic control (103) properly.

The electronic control contains a lithium battery.

Do not short circuit, charge, force over discharge,

disassemble, crush, penetrate, incinerate, or heat

the battery to a temperature exceeding 185_F

(85_C). Any misuse or abuse of the battery may

cause it to leak or explode.

1. Relieve the pressure.

WARNING

To reduce the risk of serious injury, when you are

instructed to relieve pressure, always follow the

Pressure Relief Procedure on page 7.

2. Attach the disposable grounding wrist strap to your

wrist. Connect the adhesive-backed copper foil at

the other end to any convenient electrical ground,

such as the grounding screw or metal case of a

grounded electrical outlet.

3. Lift the bottom edge of the black cover (101) away

from the meter (102), and pull the cover off.

Remove and discard the screws (106). Lift off the

electronic control (103). Remove and discard the

large o-ring (104).

4. Install a new metering unit (102) and/or electronic

control (103). Install the large o-ring (104) over the

lip on top of the metering unit (102). Align the

notch on the side of the electronic control (103)

with the notch on the side of the metering unit

(102). Install the new screws (106), and torque

them oppositely and evenly to 4 to 6 in-lb (0.45 to

0.68 N-m).

5. Install the cover so the rolled-in edges are parallel

with the inlet fluid passage of the metering unit.

Use only genuine Graco replacement parts. The use of any other parts may impair the intrinsic safety of this

meter. This could result in a failure, which could cause serious bodily injury and/or substantial property

damage.

WARNING

Fig. 7

101

103

102

104

106

DETAIL A

104

106

02175C

02174C

308113 9

Troubleshooting – Dispense Valve

Problem Cause Solution

Lubricant continues to flow

after the trigger is released.

Valve may be out of adjustment. Adjust the valve.

Valve spring is weak, o-rings are worn, or

valve poppet is unseated.

Check internal valve parts.

Lubricant leaks past the push

rod packing (12).

Push rod or packing is worn. Replace push rod or packing.

Service

NOTES:

DRelieve the pressure before you service the

control valve.

WARNING

To reduce the risk of serious injury, when you are

instructed to relieve pressure, always follow the

Pressure Relief Procedure on page 7.

DRefer to the Parts Drawing on page 10 when you

service the control valve.

DClean and check all parts thoroughly after you

disassemble them, and replace worn or damaged

parts.

DThe reference numbers and letters in parentheses

in the text correspond to the numbers and letters in

the text, parts drawings, and parts lists.

Clean the Strainer Frequently

Relieve the pressure. Remove the swivel (19), and

unscrew the strainer (19a). Clean the filter in mineral

spirits. Reassemble, and torque the swivel to 19 to 21

ft-lb (26 to 28 N-m).

Adjust the Valve

Loosen the locknut (8). Turn the adjusting screw (9) in

or out as needed. To stop the fluid flow, all of the pres-

sure of the screw (9) against the push rod (20) must

be released.

When the valve handle is properly adjusted, there is a

small amount of free play. After you adjust the valve,

hold the adjusting screw in place, and securely tighten

the locknut.

Check Internal Valve Parts

Relieve the pressure. Disconnect the valve from the

hose. Remove the valve plug (22). Several other

parts will come out with the plug. Clean the valve cav-

ity and seat (18). Inspect the seat for nicks. If the

seat is damaged, send the valve to a Graco-authorized

service center for repair. If the seat is not damaged,

reassemble the valve.

Replace Push Rod or Packing

Relieve the pressure. Disconnect the valve from the

hose. Push out the pin (2) of the trigger latch. Swing

the trigger out of the way. Remove the guide (10),

gasket (4) and push rod (20). Use a dull instrument to

remove the packing (12). Install a new gasket, and

reassemble the valve.

WARNING

Use only genuine Graco replacement parts. The

use of any other parts may impair the intrinsic

safety of this meter. This could result in a failure,

which could cause serious bodily injury and/or

substantial property damage.

10 30811310

Parts – Valve

Model 224304

Valve Only

**214008 Repair Kit

Must be purchased separately.

Includes:

Ref No. Qty

12 1

13 1

23 1

**6

**13

**5

19a

23**

4**

12**

19b 1

Torque to

19 to 21 ft-lb

(26 to 28 N-m) 02228

Ref

No. Part No. Description Qty

Ref

No. Part No. Description Qty

1 108445 PIN, spring; 5/32 in. (4.0 mm) dia;

7/8 in. (22.2 mm) long 1

2 101354 PIN, roll; 3/16 in. (5 mm) dia;

1–1/8 in. (28.6 mm) long 1

3 101421 PIN, cotter; 5/8in. (16 mm) dia;

3/8 in. (9.5 mm) long 1

4** 150451 GASKET, copper 1

5** 155500 O-RING; nitrile rubber 1

6** 156401 O-RING; nitrile rubber 2

7 157974 WASHER, special 1

8 158213 NUT, lock; 3/8–24 1

9 158214 SCREW, slotted headless set;

1/8–24 x 9/16 1

10 158668 GUIDE, push rod 1

11 158671 SPRING, torsion 1

12** 158673 PACKING, v-block; nitrile rubber 1

13** 158674 O-RING; nitrile rubber 1

14 159080 SPRING, compression 1

15 159118 TRIGGER 1

16 159168 LATCH, trigger 1

17 159484 PIN, pivot 1

18 160708 SEAT, valve 1

19a 159259 STRAINER 1

19b 202994 ADAPTER, swivel; 1/2 npt 1

20 203977 ROD, push 1

21 158658 VALVE BODY 1

22 158662 PLUG, valve 1

23** 217316 VALVE, piston 1

24 111853 GASKET 1

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