Graco EM5 Series Manuel d'utilisation

Instructions – Parts List

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

STANDARD

EM5tElectronic

Metered Dispense Valves

1000 psi (7 MPa, 69 bar) Maximum Working Pressure

5 gpm (18.9 lpm) Maximum Flow Rate

Factory-Set to Measure in Quarts

Model 238461 75bend 3/8-in. rigid tube

Model 238462 3/8-in. coupled flexible hose

Model 238463 15bend 3/8-in. gear lube tube, 90elbow

Factory-Set to Measure in Liters

Model 238464 75bend 3/8-in. rigid tube

Model 238465 3/8-in. coupled flexible hose

Model 238466 15 bend 3/8-in. gear lube tube, 90elbow

Model 238467* 75bend 3/8-in. rigid tube

Model 238468* 3/8-in. coupled flexible hose

Model 238469* 15 bend 3/8-in. gear lube tube, 90elbow

* Canadian Weights & Measures approved

Patent Nos.

4,883,199 DE3834454C2

D382,500 1025804

6,047,906

309142D

Read warnings and instructions.

See page 2 for Table of Contents.

This dispense valve is designed to dispense

petroleum-based lubricants and antifreeze only.

Do not dispense windshield washer solvent with

this dispense valve.

This dispense valve is designed for indoor use

only.

This dispense valve is not designed for in-line

installation. Do not install with a shutoff valve on

the outlet side of the meter. Such installation

could result in damage to the meter housing

cover.

CAUTION

TI0267

Parts

2 309142

Table of Contents

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

Installation 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Setup 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Calibration 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operation 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Troubleshooting 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Service 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Parts Drawing 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Parts List 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Technical 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Dimensional Drawing 21. . . . . . . . . . . . . . . . . . . . . . . . . .

Change Summary 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Warranty 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Graco Information 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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.

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 you operate this equipment.

Use the equipment only for its intended purpose. If you are not sure, 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 of the lowest rated system component. See the

Technical Data on page 20 for the maximum working pressure of this component.

Use fluids and solvents that are compatible with the equipment wetted parts. See the Technical

Data section of all equipment manuals. Read the fluid and solvent manufacturer’s warnings.

Route 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).

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

Do not point the dispense valve at anyone or at any part of the body.

Do not put your hand or fingers over the end of the dispense valve.

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

Use only extensions and nozzles that are designed for use with your dispense valve.

Follow the Pressure Relief Procedure on page 5 before you clean, check, or service this

equipment.

Tighten all fluid connections before you operate this equipment.

Check 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

INSTRUCTIONS

309142 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.

Be sure the entire fluid system is properly grounded. Refer to your pump instruction manual for

complete details. See Grounding on page 7.

If 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.

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

being dispensed.

Keep the dispensing area free of debris, including solvent, rags, and spilled gasoline.

Do not smoke while flammable fluids or fumes are in the dispensing area.

WARNING

4 309142

Installation

Typical Installations

Fig. 1 shows a typical hose reel installation. Fig. 2

shows how these dispense valves can be installed on

a console.

Do not use this electronic metered dispense

valve on non-Graco consoles. Such use could

result in the trigger becoming inadvertently

pressed while the dispense valve is stowed.

CAUTION

Fig. 1

TI0268

KEY DESCRIPTION

HThermal relief kit (required) Part No. 235998

Install downstream from pump.

JFluid shut-off valve

K Hose

LHose reel fluid inlet hose

MHose reel

NMetered dispense valve

The typical installation shown in Fig. 1 is only a guide;

it is not a complete system design. Contact your

Graco distributor for assistance in designing a system

to suit your particular needs.

This dispense valve is not designed for in-line

installation. Do not install with a shut-off valve

on the outlet side of the meter. Such installation

could result in damage to the meter housing

cover.

CAUTION

Mounting Bracket

Mounting bracket 196471 is available for resting an

EM5 dispense valve on a console. See Fig. 2.

Do not obstruct the trigger of this dispense

valve, and do not set the unit down resting on its

trigger, or it might not stop dispensing.

CAUTION

. 2

mounting

bracket

196471

NOTE: When using the EM5 with the rigid oil

extension on a dispense console, the rigid tube (5a)

should be oriented with the 75bend closest to the

nozzle, as shown below. This prevents interference

when used with a dispense console.

TI0274

309142 5

Installation

PRESSURIZED EQUIPMENT HAZARD

The equipment stays pressurized until pressure is

manually relieved. To reduce the risk of serious

injury from pressurized fluid, accidental spray from

the dispense valve, or splashing fluid, follow the

Pressure Relief Procedure when you

Are instructed to relieve pressure

Check, clean, or service any system equipment

Install or clean fluid nozzles or filter

WARNING

Pressure Relief Procedure

1. Turn off the power supply to the pump.

2. Trigger the dispense 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 are ready to

pressurize the system.

Pre-Installation Procedure

1. Install the battery. See Replacing the Battery on

page 16.

2. Relieve the pressure.

WARNING

To reduce the risk of serious injury whenever you

are instructed to relieve pressure, always follow the

Pressure Relief Procedure above.

3. Close the shut-off valve (item J in Fig. 1).

4. Ground the hose and reel or console. See

Grounding on page 7.

NOTE: Do not use tape on the pipe

joints; it may cause a loss of ground across the

pipe joint.

Installation Procedure

If this is a new installation, or if the fluid in the

lines is contaminated, flush the lines before you

install the metered valve. Contaminated lines

could cause the valve to leak.

CAUTION

1. If this is an existing installation, go to step 7.

Steps 2 through 6 are the Flushing Procedure.

2. Close the fluid shut-off valve (J) at each dispense

position.

3. Make sure the main fluid outlet valve at the pump

is closed, the air pressure to the pump motor is

adjusted, and the air valve is open. Slowly open

main fluid valve.

4. Place the hose end (with no dispense valve

connected) into a container for waste oil. Secure

the hose in the container so it will not come out

during flushing. If you have multiple dispense

positions, first flush the dispense position farthest

from the pump, and work your way toward the

pump.

5. Slowly open the shut-off valve (J) at the dispense

position. Flush out a sufficient amount of oil to

ensure that the entire system is clean, and close

the valve.

6. Repeat step 5 at all other dispense positions.

7. Relieve the pressure.

WARNING

To reduce the risk of serious injury, whenever you

are instructed to relieve pressure, always follow the

Pressure Relief Procedure at left.

8. Slide the swivel cover (4) of the EM5 onto the

hose, small end first. See Fig. 3.

9. Apply thread sealant to the male threads of the

hose fitting, thread the hose fitting into the

swivel (3) of the EM5, and tighten firmly. See

Fig. 3.

NOTE: Make sure you let the sealant cure to the

manufacturer’s recommendations before you let

fluid into the system.

hose fitting

Slide onto

hose before

connecting.

Fig. 3

TI0269

PTFE

Fig. 4 8241C

5b 6d

7c 7c

This flexible extension

can also be threaded

directly into the meter outlet

without the street elbow

(6d) or sealing nut (6c).

meter

outlet

nozzle bushing

Either end of this rigid

tube can be threaded into

the meter outlet. This is

the best orientation for use

with a dispense console.

6 309142

Installation

10. Models 238461, 238464, and 238467

See Fig. 4.

a. Thread the sealing nut (5c) onto the

extension (5a) with the side facing

out.

b. Thread the extension (5a) into the meter outlet

at least three full turns, position it for proper

alignment, and tighten the sealing nut against

the meter outlet.

Models 238462, 238465, and 238468

See See Fig. 4.

a. Thread the sealing nut (6c) onto the elbow (6d)

with the side facing out.

b. Thread the elbow (6d) into the meter outlet at

least three full turns, position it for proper

alignment, and tighten the sealing nut (6c)

against the meter outlet.

c. Thread the flexible hose (6a) into the elbow,

and tighten it.

NOTE: The flexible hose (6a) can also be

threaded directly into the meter outlet without

the elbow or sealing nut.

Models 238463, 238466, and 238469

This nozzle assembly can be configured two ways.

See See Fig. 4.

a. Thread a sealing nut (7c) onto the tube (7a)

with the side facing out.

b. Thread the tube (7a) into the meter outlet at

lease three full turns, position it for proper

alignment, and tighten the sealing nut (7c)

against the meter outlet.

c. Thread the other sealing nut (7c) onto the

other end of the tube (7a) with the 

side facing out.

d. Thread the elbow (7d) onto the end of the tube

(7a) at least full turns, position it for proper

alignment, and tighten the sealing nut (7c)

against the elbow.

a. Thread a sealing nut (7c) onto the elbow (7d)

with the side facing out.

b. Thread the elbow (7d) into the meter outlet at

lease three full turns, position it for proper

alignment, and tighten the sealing nut (7c)

against the meter outlet.

c. Thread the other sealing nut (7c) onto the

tube (7a) with the side facing out.

d. Thread the tube (7a) into the elbow (7d) at

least three full turns, position it for proper

alignment, and tighten the sealing nut (7c)

against the elbow (7d).

PTFE

309142 7

Installation

11. Thread the new nozzle (5b, 6b, or 7b) onto the

extension, and, with an open-end adjustable

wrench, tighten it firmly. See Fig. 4.

NOTE: On Models with automatic nozzle

239829 (5b or 6b), tighten the nozzle with the

wrench on the flats of the nozzle bushing. Do not

disassemble the nozzle bushing from the

nozzle. Disassembly will affect the performance

of the nozzle.

Do not use Graco’s old nozzle (Part No. 203655) or

any other manual shut-off nozzle on the EM5

extension. You must use the nozzle that is

provided with the EM5, or the meter could be

damaged. Do not use any sealant material.

CAUTION

12. Open all dispense position shut-off valves, and

start the pump to pressurize the system. See the

Operation section for proper operation of the

EM5.

13. To ensure dispensing accuracy, purge all air from

the fluid lines and dispense valve before you use

it. Set the system flow to the desired flow rate,

which is typically 1.5 gpm. Do not exceed a 5-gpm

flow rate.

Grounding

FIRE AND EXPLOSION HAZARD

The movement of fluids through the

dispensing system generates static

electricity. The static electricity can

cause volatile fumes to ignite, resulting in explosion

and fire. The dispensing system must grounded.

WARNING

Proper grounding is an essential part of maintaining a

safe system.

To reduce the risk of static sparking, ground all system

components per local and national electrical codes.

Refer to the user manuals for the pump and other

system components to ground the following:

Pump: Follow manufacturer’s recommendations.

Air and Fluid hoses: Use only grounded hoses.

Air compressor: Follow the manufacturer’s

recommendations.

Fluid supply container: Follow the local code.

To maintain grounding continuity when flushing or

relieving pressure, always hold a metal part of the

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

trigger the valve.

8 309142

Setup

Terms

The following terms are shown on the display and/or

used often in this instruction manual.

R–TOTAL: Resettable Total

Displayed to show the cumulative amount that the

dispense valve has dispensed. It can be reset to

zero.

TOTAL: Non-Resettable Total

Displayed to show the cumulative amount that the

dispense valve has dispensed for the history of the

unit. It cannot be reset.

Standard Dispense Mode

The dispense mode in which the display always

counts up from zero or from where it recently

stopped in Standard dispense mode. There are no

warning beeps for predetermined dispense

amounts.

Asleep / Awake

Asleep is a battery-saving mode in which the

display goes blank after 45 seconds of inactivity.

The display comes awake from sleep mode when

you press any button on the keypad or when you

squeeze the trigger to dispense fluid.

Keypad Buttons

The buttons on the keypad and their functions are as

follows (see the figure below):

TOTAL

Used to see the resettable total, non-resettable

total, and calibration factor.

RESET *

Used to reset the displayed amount to zero and to

enter the Standard dispense mode.

*The Reset and Total buttons are used together

(pressed simultaneously) to access the setup

menus, in which you select dispensing options.

NOTE: All buttons are disabled while fluid is being

dispensed.

TI0272

GAL

309142 9

Setup

Selecting Dispensing Options

This is the procedure for setting or changing the resettable total and the units of measurement.

1. If the display is asleep, wake it up by pressing any button on the keypad.

2. To enter the dispensing options menus, press and hold the Reset and Total buttons simultaneously for

five (5) seconds.

The first menu is the Resettable Total menu, which is described in the first subsection below. You can move

through the menus by pressing the Reset button. The value that is displayed when you leave each menu is the

value that gets stored.

Resettable Total

In this menu, you can reset the resettable total to zero

or leave it unchanged. The resettable total

accumulates until the next time it is manually reset.

1. If you have not already entered the dispensing

options menus, do steps 1 and 2 in Selecting

Dispensing Options above.

2. With R–TOTAL blinking and the current resettable

total displayed, as shown in Fig. 5, do ONE of the

following two options:

Press the Total button.

The resettable total is set to zero, and 00000

GAL or 00000 LITERS is displayed.

You can press the Total button again to toggle

between zero and the previously displayed

resettable total. To lock in the displayed value

and advance to the Units of Measurement

menu, press the Reset button.

Press the Reset button.

The currently displayed value is stored, and

the display advances to the Units of

Measurement menu.

R-TOTAL

GAL

TI0272

Fig. 5

Units of Measurement

In this menu, you can set the units of measurement to

quarts, gallons, pints, or liters.

1. If you have not already entered the dispensing

options menus, do steps 1 and 2 in Selecting

Dispensing Options above.

2. Press the Reset button. QTS, GAL, LITERS, or

PTS will blink to indicate that you are in the

Units-of Measurement menu.

3. With QTS, GAL, LITERS, or PTS blinking, as

shown in Fig. 6, do ONE of the following two

options:

Press the Total button.

Each time you press the Total button, the

display scrolls to the next unit of

measurement. To lock in the new unit of

measurement, press the Reset button, and the

display advances to the dispense mode.

Press the Reset button.

The displayed unit of measurement is retained,

and the display advances to the dispense

mode.

GAL

TI0272

Fig. 6

10 309142

Calibration

NOTE: This unit has been calibrated at the factory to

dispense lubricating oils; it should not require

additional calibration during installation. If this unit will

be used to dispense antifreeze, and accuracy must be

greater than plus or minus 2 percent, it is

recommended that you use a calibration factor of 368

quarts or 389 liters.

You must ground yourself to a true earth ground

while calibrating the meter. You must keep

yourself constantly grounded when you touch

any electronic components inside the cover of

the dispense valve. To order a grounding wrist

strap, order Part No. 112190.

CAUTION

This is the procedure for calibrating the meter.

1. Remove the six screws (21) (see the Parts

Drawing on page 18) that hold the two halves of

the cover together, open the unit, and remove the

fluid section to gain access to the Calibration

button.

2. Press the RESET button.

NOTE: You have four minutes to complete the

calibration procedure.

3. Press the calibration button inside the unit, shown

in Fig. 7. The “CAL”indication should show on the

display (see Fig. 8).

Note location of battery wire to prevent damage

during reassembly

CAUTION

calibration

button

Fig. 7

4. Reassemble the two halves of cover using

screws (21).

NOTE: Number displayed on unit after assembly may

be 001 or greater.

5. Press the Total button. Output should be 000 as

shown in Fig. 8.

QTS (or LITERS)

TI0272

Fig. 8

CAL

6. If the unit of measure is liters, dispense exactly

one liter of fluid into a calibrated one liter container.

For proper calibration, you must dispense the

exact amount per the markings on the container.

7. If the unit of measure is gallons, pints, or quarts,

dispense exactly one quart of fluid into a calibrated

one quart container. For proper calibration, you

must dispense the exact amount per the markings

on the container.

NOTE: If an error has been made, pressing the

TOTAL button will zero the display. This will allow you

to perform the calibration dispense again. Pressing the

RESET button with display at zero will return the unit

to its previous calibration factor.

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