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CAUTION

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 shut-off valve
on the outlet side of the meter. Such installa-
tion could result in damage to the meter hous-
ing cover.

Instructions – Parts List

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

STANDARD

EM5

Electronic Metered

Dispense Valves

For dispensing petroleum–based lubricants and antifreeze.

1000 psi (7 MPa, 69 bar) Maximum Working Pressure
5 gpm (18.9 lpm) Maximum Flow Rate

Factory-Set to Measure in Liters
Canadian Weights & Measures approved

Model 238457

bend 3/8–in. rigid tube

Model 238458

3/8–in. coupled flexible hose

Model 238459

bend 3/8–in. gear lube tube, 90

elbow

308487P

Model 238457 shown

06042C

Registered Design No. 1025804

INTRINSICALLY SAFE FOR
HAZARDOUS LOCATIONS
CLASS 1, DIV. 1, GROUP D

97D.122550

EExia II A/B T3

Important Safety Instructions.

Read all warnings and instructions in this manual.
Save these instructions.

Parts

Содержание EM5 238457

Страница 1: ...ht 1996 Graco Inc is registered to I S EN ISO 9001 STANDARD EM5tElectronic Metered Dispense Valves For dispensing petroleum based lubricants and antifreeze 1000 psi 7 MPa 69 bar Maximum Working Pressure 5 gpm 18 9 lpm Maximum Flow Rate Factory Set to Measure in Liters Canadian Weights Measures approved Model 238457 75_ bend 3 8 in rigid tube Model 238458 3 8 in coupled flexible hose Model 238459 1...

Страница 2: ...imum working pressure of the lowest rated system component See the Technical Data on page 22 for the maximum working pressure of this component D 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 D Route hoses away from traffic areas sharp edges moving parts and hot ...

Страница 3: ...ing this equipment stop dispensing immediately Do not use the equipment until you identify and correct the problem D Provide fresh air ventilation to avoid the buildup of flammable fumes from solvents or the fluid being dispensed D Keep the dispensing area free of debris including solvent rags and spilled gasoline D Do not smoke while flammable fluids or fumes are in the dispensing area D You must...

Страница 4: ... 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 ...

Страница 5: ...ore 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 3 through 6 are the Flushing Procedure 2 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 3 Close the fluid shut off valve J at each dispen...

Страница 6: ...ow and tighten it NOTE The flexible hose 6a can also be threaded directly into the meter outlet without the elbow or sealing nut Model 238459 This nozzle assembly can be configured two ways See See Fig 4 a Thread a sealing nut 7c onto the tube 7a with the PTFE 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 seali...

Страница 7: ...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 grou...

Страница 8: ...8 308487 Notes ...

Страница 9: ... predeter mined amount has been dispensed It does not automatically stop dispensing D Asleep Awake Asleep is a battery saving mode in which the dis play goes blank after two minutes 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 follow...

Страница 10: ...can press the Reset 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 Auto button OR D Press the Auto button The currently displayed value is stored and the display advances to the Units of Measurement menu 06044 R TOTAL GAL Maximum Working Pressure 70 bar 1000 PSI Min Dispense Vol...

Страница 11: ...d the display advances to the Reset to Zero Option menu 06044 AUTO QTS Maximum Working Pressure 70 bar 1000 PSI Min Dispense Volume 0 5 liter 0 13 gal Minimum Flow Rate 1 0 l min 0 26 gpm Maximum Flow Rate 15 0 l min 3 26 gpm Reset to Zero Option In this menu you can set whether or not the unit will automatically reset to zero after two minutes of inactiv ity On means that the unit will automatica...

Страница 12: ...ctor Metric Measurement Measuring in liters and 1 liter is dispensed Error in Cubic Centimeters cm3 Change Calibration Factor by 56 69 102 47 19 85 37 69 68 28 35 51 18 84 34 9 34 17 0 000 no change 9 34 17 18 84 34 28 35 51 37 69 68 47 19 85 56 69 102 Formulas If the dispensed amount according to the markings on the flask is greater than the displayed amount New CF Old CF Error in cm3 0 555 If th...

Страница 13: ...ration button The calibration factor is shown on the display as shown below 06044 CAL Maximum Working Pressure 70 bar 1000 PSI Min Dispense Volume 0 5 liter 0 13 gal Minimum Flow Rate 1 0 l min 0 26 gpm Maximum Flow Rate 15 0 l min 3 26 gpm 4 Press the Calibration button again The first digit blinks which indicates that you can change it 5 Press the 10 1 0 and 0 1 buttons to advance the blinking d...

Страница 14: ...to button The stored predetermined dispense amount is shown on the display if an amount is stored 2 If you do not want to change the predetermined dispense amount shown on the display skip this step If you want to change the amount do the following Press the 10 button to change the 10s digit press the 1 0 button to change the 1s digit and press the 0 1 button the change the first decimal digit 3 S...

Страница 15: ...er 0 13 gal Minimum Flow Rate 1 0 l min 0 26 gpm Maximum Flow Rate 15 0 l min 3 26 gpm 3 Press the Total button again The resettable total amount is shown on the display in the current units as shown below 06044 R TOTAL GAL Maximum Working Pressure 70 bar 1000 PSI Min Dispense Volume 0 5 liter 0 13 gal Minimum Flow Rate 1 0 l min 0 26 gpm Maximum Flow Rate 15 0 l min 3 26 gpm 4 Press the Total but...

Страница 16: ...ge 13 Oil leaks from swivel swivel boot or plastic housing Swivel 3 connection to meter is loose Hose connection to swivel 3 is loose Torque the fitting to 20 to 25 ft lb 27 to 34 N m Apply sealant to threads of hose and tighten the connection See step 9 in Installation Procedure on page 5 Oil leaks from where fluid out let tube connects to housing Outlet tube or sealing nut or street elbow is loo...

Страница 17: ... line Err 2 Switch Error Error occurred with pick up in internal gear or flow range is too high OR Air was pumped through the line OR Unit was dropped or unit encoun tered excessive vibration during shipping Ensure that your flow rate is not higher than 5 gpm For further assis tance contact your Graco distributor Purge air from the line Press the Reset button at start up Err 3 Unit had to default ...

Страница 18: ...f the meter and tampering with the meter settings Sealing provisions accommodate typical Weights and Measures official seal wires and security requirements See Fig 6 Tabs for tamper evident security seals one on each side of meter pre vent opening of the cover 06042C Fig 6 Replacing the Filter The filter 25 is replaceable To replace the filter do the following 1 Relieve the pressure WARNING To red...

Страница 19: ...to 140 to 150 in lb 16 to 17 N m NOTE Take care that the spring 16a does not get pinched when you install the valve stem assembly 16 into the meter housing 7 Place the trigger 15 on the valve stem assembly 16b put the cover 1 together thread in the six screws that hold the cover together and torque to 7 to 10 in lb 0 8 to 1 1 N m Replacing the Nozzle If the nozzle 5b 6b or 7b begins to leak replac...

Страница 20: ...8 in coupled 1 6b 239829 NOZZLE automatic 1 6c 113419 NUT seal 3 8 in 18 NPT 1 6d 155699 ELBOW street 1 Ref No Part No Description Qty 7 238887 NOZZLE ASSEMBLY For Model 238459 includes 7a to 7d 7a 191038 TUBE rigid 15_ bend 3 8 in 1 7b 238371 NOZZLE gear lube 1 7c 113419 NUT seal 3 8 in 18 NPT 2 7d 155699 ELBOW street 1 8 113716 BATTERY standard 9V alkaline 1 15 191046 TRIGGER 1 16 240453 KIT val...

Страница 21: ... 1 16 2 2 Torque to 140 to 150 in lb 15 8 to 16 9 N m 2 3 4 25 1 15 24 3 Apply lubricant when reassembling 3 8 6c 6a 6 Apply thread sealant when reassembling 7 6 Torque to 20 to 25 ft lb 27 to 34 N m 7 27 These parts are included in Valve Repair Kit 240453 which can be ordered separately 6d 7a 7c 7c 7c 7c 7d 7d 7b 7b 7a 5b 5a 5c 6b 28 ...

Страница 22: ... zinc stainless steel 304 LCP carbon steel polyurethane nitrile rubber Fluid compatibility lubricating oils antifreeze mixtures Meter valve assembly pressure loss At 1 5 gpm 5 7 lpm with 30 weight oil at 70_ F 21_ C 17 psi 0 12 MPa 1 2 bar Accuracy 0 5 percent Repeatability 0 15 percent Default settings for calibration factor 10W 30 oil 6815 antifreeze 7230 Tested in No 10 motor oil Flow rates var...

Страница 23: ...308487 23 Dimensional Drawing 06042C A 14 0 in 356 mm outlet to end of swivel cover B A B C 3 25 in 83 mm widest cross section C 2 75 in 70 mm keypad to bottom of cover ...

Страница 24: ...ny other warranties express or implied including warranty of merchantability or warranty of fitness for a particular purpose and of any non contractual liabilities including product liabilities based on negligence or strict liability Every form of liability for direct special or consequential damages or loss is expressly excluded and denied In no case shall Graco s liability exceed the amount of t...

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