Graco 307623H User's Manual
Contents
1. Instructions Viscount 3000 Pump Model 221080 Series A With a Severe Duty Displacement Pump 1000 psi 7 MPa 69 bar Maximum Hyaraulic Input Pressure 3000 psi 21 MPa 207 bar Maximum Fluid Outlet Pressure Severe Duty Displacement Pumps have an abrasion and corrosion resistant displacement rod and cylinder See manual 306981 for displacement pump parts and service information US Patent No 4 383 475 Patent 1984 Canada Brevete 1984 Foreign Patents Pending GRACO 307623H ee ale PROVEN QUALITY LEADING TECHNOLOGY GRACO 1441 MINNEAPOLIS MN 55440 1441 2 G Copyright 1984 Graco Inc is registered to 1 5 ISO 9001 Table of Contents VOBIS eame GE RR ao e E eu Ros OR dob Riad 3 lias talla lO se tuc c Ao 6 aged oh totes i petite m etos 8 Maintenance 10 Troubleshooting 11 12 2 307623H cde aa 2d 13 TT TTL 14 Mounting Hole Layout 14 Technical Data 15 lc m PEEL 16 Graco Information 16 WARNING EQUIPMENT MISUSE HAZARD e Le Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury INSTRUCTIONS Thi2. straight thd 7 8 14 UNF 2 37 flare m Includes 1 of item 24 ELBOW straight thd 3 4 16 UNF 2a 37 flare Includes 1 of item 25 TUBE inlet 1 2 ID TEE run straight thd 3 4 16 UNF 2 37 flare m Includes 1 of item 25 CLAMP grounding WASHER tab BASE reciprocator ROD tie 5 3 4 146 mm long LOCKNUT hex 3 8 16 thd size DISPLACEMENT PUMP See manual 306981 PIN cotter NUT hex 3 8 O RING O RING O RING Qty nn BR 307623H 13 Dimensions HYDRAULIC OUTLET 3 4 14 2 37 FLARE HYDRAULIC INLET 7 8 14 2 37 FLARE RO SN CH 14 7 373 mm 29 9 lt 759 3 4 INLET Mounting Hole Layout 4 25 108 mm DIA CUTOUT TWO 5 16 8 MM HOLES ON 5 127MM DIA BOLT CIRCLE BASE HAS 1 2 20 TAPPED HOLES 14 307623H Technical Data Maximum outlet pressure 3000 psi 21 MPa 207 bar Fluid delivery rate 5 8 gpm 3 l min at 2500 psi 17 MPa 172 bar OUIET SIZ Ce d ed ve ea iie o o mtis edel 3 8 npt f FIGIGINICWSIZE 43532 bbb dte NO Per erbe eto 3 4 npt m Maximum recommended pump speed 40 cycles min Hydraulic fluid consumption 6 5 ounces 0 195 liter per cycle or one gallon per 19 5 cycles Hydraulic input pre
3. 1 Lockthe spray gun dispensing valve trigger safety 2 Close the supply line shutoff valve E first then the return line shutoff valve R Shut off the hy draulic power supply 3 Unlock the gun valve trigger safety 4 Hold a metal part of the gun valve firmly to the side of a grounded metal pail and trigger the gun valve to relieve pressure 5 Lock the gun valve trigger safety 6 Open the drain valve required in your ystem having a container ready to catch the drainage 7 Leave the drain valve open until you are ready to spray dispense again If you suspect that the spray tip nozzle or hose is completely clogged or that pressure has not been fully relieved after following the steps above very slowly loosen the tip guard retaining nut or hose end coupling and relieve pressure gradually then loosen completely Now clear the tip nozzle or hose 8 307623 To reduce the risk of overpressurizing the system which could result in serious bodily injury including fluid injection e Never exceed the maximum working pressure of the lowest rated accessory in your system hydraulic input or fluid output or the stated maximum working pressures of this pump Hegulate the hydraulic input and fluid output pressures as appropriate to maintain safe working pressures 4 CAUTION Hydraulic Oil Working Temperature The recommended hydraulic oil operating tempera ture is 80 115 F 27 45 C The reciproc
4. part of the spray gun dispensing valve firmly to the side of a grounded metal pail then trigger the gun valve Install the Pump 4 CAUTION Keep the hydraulic system clean To reduce the risk of damaging the hydraulic power supply blow out all hydraulic lines with air flush thoroughly with solvent and then blow out with air again before connecting the lines to the reciprocator Always plug the hydraulic inlets outlets and lines when disconnecting them to avoid introducing dirt and other contaminants into the system Carefully follow the manufacturer s recommendations on reservoir and filter cleaning and periodic changes of hydraulic fluid 4 CAUTION Recommended Hydraulic Oil Use Graco approved Hydraulic Oil or the equivalent Order Part No 169236 5 gallon 20 liter or 207428 1 gallon 3 8 liter The equivalent is a premium ISO grade 46 petroleum based hydraulic oil containing rust and oxidation inhibitors and anti wear agents Before using any other type of oil in this Graco reciprocator contact your Graco distributor Un authorized use of lesser grade oil or substitutes may void the warranty The Typical Installation shown in Fig 2 is only repre sentative Contact your Graco distributor for specific information Pump dimensions and mounting hole layout are shown on page 14 Hydraulic Power Supply Be sure that the hydraulic power supply is equipped with a suction filter to the hydraulic pump and a sys
5. 05 Fax All written and visual data contained in this document reflects the latest product information available at the time of publication Graco reserves the right to make changes at any time without notice Sales Offices Minneapolis Detroit International Offices Belgium Korea Hong Kong Japan GRACO INC BOX 1441 MINNEAPOLIS MN 55440 1441 WWW graco com PRINTED IN USA 307623 03 1984 Revised 04 2003 16 307623H
6. 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 dispensed Refer to Grounding on page 6 If there is any static sparking or you feel an electric shock while using this equipment stop spray ing 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 Always wear protective eyewear gloves clothing and respirator as recommended by the fluid and solvent manufacturer 307623H 5 Installati
7. aking persists remove the fitting and replace the worn o ring Check the tightness of the packing nut weekly Always follow the Pressure Relief Procedure on page 8 before adjusting it The packing nut should be tight enough to stop leakage but no tighter Overtightening will compress and damage the packings and result in pump leaking 10 307623H Carefully monitor the fluid supply If the pump empties the supply container air is sucked into the pump causing it to run too fast and to be damaged If the pump runs too fast shut it off immediately Fill the supply container and prime the pump and hose to remove all air or flush the pump and hose with a compatible solvent and leave it filled with an oil base solvent to protect pump parts from corrosion CAUTION Never leave water based fluid or air in the pump when it is not in use Flush the pump and fill it with mineral spirits or other oil based solvent to prevent pump corrosion or fluid hardening in it Troubleshooting 1 Stop pump immediately if it is running too fast WARNING check fluid supply If empty refill and reprime the pump eliminate all air from system Or flush the pump and store with mineral spirits in it To reduce the risk of serious bodily injury including fluid injection injury from moving parts and splash ing in the eyes or on the skin always follow the 2 Relieve pressure Disconnect fluid line If pump Pressure Relief Procedure on page 8
8. ator seals will wear faster and leakage may occur if the pump is operated at higher oil temperatures If the hydraulic oil temperature approaches 130 54 C check the hydraulic fluid supply cooling system filters etc and clean or repair as needed WARNING Be sure the entire system and flushing pails are properly grounded before flushing Always use the lowest possible pressure and maintain firm metal to metal contact between the gun and pail to reduce the risk of static sparking and splashing Maintain firm metal to metal contact between gun and grounded metal pail Before you start the pump check the hydraulic fluid level and add fluid as necessary to fill the lines Flush the pump before using it for the first time to remove the light oil which was left in after factory test Be sure the solvent used is compatible with the fluid to be sprayed and the wetted parts of the pump Operation Fill the displacement pump wet cup S 1 3 full with 3 Slowly open the flow control valve Graco Throat Seal Liquid or a compatible solvent to prevent fluid from drying on the displacement rod or 4 Use the lowest pressure needed to get good fluid damaging the packings See Fig 3 flow or atomization Higher pressures increase tip wear and pump wear In a direct supply system the pump will start when the gun or valve is opened and stall when it is closed In a circulating system the pump will operate continu ous
9. ce the hammering effect caused by the reciprocator reversing direction On the hydraulic return line D install a shutoff valve R for isolating the reciprocator for servicing WARNING To reduce the risk of serious bodily injury including fluid injection your system must include a drain valve installed near the pump fluid outlet to help relieve fluid pressure in the displacement pump and hoses when shutting off the pump See Fig 2 Install a fluid drain valve B and a grounded dispense hose A to the 3 8 npt fluid outlet on the displacement pump Connect a suction hose to the 3 4 npt pump fluid intake See Fig 2 307623H 7 Operation Before Startup WARNING Do not overpressurize the system Pressure Relief Procedure WARNING 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 e are instructed to relieve the pressure e stop spraying dispensing e check or service any of the system equipment e orinstall or clean the spray tip nozzle WARNING Be sure you always shut off the supply line shutoff valve E first and then the return line shutoff valve R This is to prevent overpressurizing the recipro cator or its seals When starting up the hydraulic system open the return line shutoff valve first
10. e manual 306981 pump 307623H 11 Service NOTE Clean all parts of the pump as you disassemble them and inspect them for wear or damage place parts as necessary Use a high grade li thium base lubricant when lubrication is speci fied Use Loctite Grade CV thread sealant when thread sealant is specified Removing the Displacement Pump See Fig 4 1 Flush the pump if possible Follow the Pressure Relief Procedure on page 8 Stop the pump at the bottom of its stroke 2 Disconnect all hoses from the displacement pump If you remove the pump from its mounting discon nect the hydraulic hoses first and plug all hydrau lic connections and lines to prevent contamination 4 Remove the pin 17 from the top of the displace ment rod T 5 Unscrew and remove the three tie rod locknuts 15 6 Unscrew the displacement rod T from the recip rocator connecting rod and pull the pump off 7 See manual 306981 for displacement pump parts and service information 12 307623H Torque to 20 30 ft Ib 27 41 A Torque to 29 31 ft lb 39 42 Fig 4 Model 221080 Viscount 1 3000 Pump series A Stubby Length Ref No 5 6 7 Part 100133 217222 107195 106470 217221 107197 104029 104582 179882 168221 102021 223587 100103 106292 156082 110926 110987 Description LOCKWASHER VISCOUNT I reciprocator See manual 307654 for parts ADAPTER
11. e skin might look like just a cut but it is a serious injury Get immediate medi cal attention Do not point the gun valve at anyone or at any part of the body Do not put your hand or fingers over the spray tip nozzle Do not stop or deflect leaks with your hand body glove or rag Do not blow back fluid this is not an air spray system Always have the tip guard and the trigger guard on the gun when spraying Be sure the gun valve trigger safety operates before spraying Lock the gun valve trigger safety when you stop spraying Follow the Pressure Relief Procedure on page 8 whenever you are instructed to relieve pres sure stop spraying clean check or service the equipment and install or clean the spray tip Tighten all fluid connections before operating the equipment Check the hoses tubes and couplings daily Replace worn damaged or loose parts immediately Permanently coupled hoses cannot be repaired replace the entire hose Use only Graco approved hoses Do not remove any spring guard that is used to help protect the hose from rupture caused by kinks or bends near the couplings MOVING PARTS HAZARD up Moving parts can pinch or amputate your fingers 4 307623H Keep clear of all moving parts when starting or operating the pump Before servicing the equipment follow the Pressure Relief Procedure on page 8 to prevent the equipment from starting unexpectedly 4 WARNING FIRE AND EXPLOSION HAZARD
12. h structures accessories equipment or materials not supplied by Graco or the improper design manufacture installation operation or maintenance of structures accessories equipment or materials not supplied by Graco This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an authorized Graco distributor for verification of the claimed defect If the claimed defect is verified Graco will repair or replace free of charge any defective parts The equipment will be returned to the original purchaser transportation prepaid If inspection of the equipment does not disclose any defect in material or workmanship repairs will be made at a reasonable charge which charges may include the costs of parts labor and transportation THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE Graco s sole obligation and buyer s sole remedy for any breach of warranty shall be as set forth above The buyer agrees that no other remedy including but not limited to incidental or consequential damages for lost profits lost sales injury to person or property or any other incidental or consequential loss shall be available Any action for breach of warranty must be brought within two 2 years of the date of sale Graco makes no warranty and disclaims all implied warranties of merchantabil
13. ity and fitness for a particular purpose in connection with accessories equipment materials or components sold but not manufactured by Graco These items sold but not manufactured by Graco such as electric motors switches hose etc are subject to the warranty if any of their manufacturer Graco will provide purchaser with reasonable assistance in making any claim for breach of these warranties In no event will Graco be liable for indirect incidental special or consequential damages resulting from Graco supplying equipment hereunder or the furnishing performance or use of any products or other goods sold hereto whether due to a breach of contract breach of warranty the negligence of Graco or otherwise FOR GRACO CANADA CUSTOMERS The parties acknowledge that they have required that the present document as well as all documents notices and legal proceedings entered into given or instituted pursuant hereto or relating directly or indirectly hereto be drawn up in English Les parties reconnais sent avoir convenu que la r daction du pr sente document sera en Anglais ainsi que tous documents avis et proc dures judiciaires ex cut s donn s ou intent s la suite de ou en rapport directement ou indirectement avec les procedures concern es Graco Information TO PLACE AN ORDER contact your Graco distributor or call this number to identify the distributor closest to you 1 800 367 4023 Toll Free 612 623 6921 612 378 35
14. ly until the hydraulic power supply is turned off Shutdown and Care of the Pump WARNING Fig 3 To reduce the risk of serious injury whenever you Pump Startup are instructed to relieve pressure always follow the Pressure Relief Procedure on page 8 1 Turn on the hydraulic power supply For overnight shutdown relieve the pressure Stop A WARNING the pump at the bottom of its stroke to prevent fluid from drying on the exposed displacement rod and Be sure you always open the return line shutoff damaging the throat packings valve R first and then open the supply line valve E This is to prevent overpressurizing the recipro Always flush the pump before the fluid dries on the cator or its seals When starting up the hydraulic displacement rod Never leave water or water based system open the return line shutoff valve first fluid in the pump overnight First flush with water or a compatible solvent then with mineral spirits Relieve 2 Open the return line shutoff valve R first and the pressure but leave the mineral spirits in the pump then open the supply line valve E to protect the parts from corrosion 307623H 9 Maintenance Hydraulic leaking at the reciprocator fittings All of the fittings 7 8 and 10 going into the upper and lower cylinder caps are self sealing and have replaceable o rings 24 25 See Parts page 13 If you experi ence any leaking at these fittings tighten them If the le
15. on Grounding To reduce the risk of static sparking ground the pump object being sprayed and all spray dispensing equip ment used or located in the spray dispensing area Check your local electrical code for detailed grounding instructions for your area and type of equipment Be sure to ground all of this spray dispensing equipment 1 Pump loosen the grounding lug locknut W and washer X Insert one end of a 1 5 mm2 12 ga minimum ground wire Y into the slot in lug Z and tighten the locknut securely See Fig 1 Con nect the other end of the wire to a true earth ground Order Part No 237569 Ground Wire and Clamp 1 2 Hydraulic hoses use only electrically conductive hoses Fig 1 3 Fluid hoses use only electrically conductive fluid hoses 4 Hyaraulic power supply follow manufacturer s recommendations 5 Spray gun dispensing valve grounding is obtained through connection to a properly grounded fluid hose and pump 6 Fluid supply container according to your local code 7 Object being sprayed according to your local code 8 All solvent pails used when flushing according to 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 continuity 6 307623H 9 maintain grounding continuity when flushing or relieving pressure always hold a metal
16. s equipment is for professional use only Head 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 of the lowest rated system component Refer to the Technical Data on page 15 for the maximum working pressure of this equipment Use 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 Do not use hoses to pull equipment Houte 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 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 307623H 3 4 WARNING INJECTION HAZARD Spray from the gun hose 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 Fluid injected into th
17. ssure 1000 psi 7 MPa 69 bar maximum Hydraulic Inlet 3 4 16 2 37 Hydraulic outlet size 7 8 14 UNF 2A 37 flare m Weed veta e Ed eg d adus d see manual 306981 iciatis od tito e chao ath owed de cen ae RAD co e A e 37 Ib 15 75 Kg Loctite is a registered trademark of the Loctite Corporation 307623H 15 Graco Standard Warranty Graco warrants all equipment manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale by an authorized Graco distributor to the original purchaser for use With the exception of any special extended or limited warranty published by Graco Graco will for a period of twelve months from the date of sale repair or replace any part of the equipment determined by Graco to be defective This warranty applies only when the equipment is installed operated and maintained in accor dance with Graco s written recommendations This warranty does not cover and Graco shall not be liable for general wear and tear or any malfunction damage or wear caused by faulty installation misapplication abrasion corrosion inadequate or improper maintenance negligence accident tampering or sub stitution of non Graco component parts Nor shall Graco be liable for malfunction damage or wear caused by the incompatibility of Graco equipment wit
18. tem return line filter of 10 micron size Carefully follow the manufacturer s recommendations on reservoir and filter cleaning and periodic changes of hydraulic fluid Installation R HYDRAULIC INLET 3 4 2 37 M FLARE HYDRAULIC OUTLET 7 8 14 UNF 2A 37 M FLARE 3 4 npt m FLUID INLET KEY E Supply Line Shutoff Valve J Accumulator N Ground Wire A Fluid Hose to Gun F Pressure Gauge K Drain Line Wetcup B Fluid Drain Valve Flow Control Valve L Hydraulic Supply Line Q Check Valve C Suction Hose H Pressure Reducing Valve M Hydraulic Power Supply Return Line Shutoff Valve D Hydraulic Return Line Fig 2 Hydraulic Lines Supply Line L Connect a 1 2 in minimum ID to the 3 4 16 2 37 male flare inlet of the reciproca tor Return line 0 Connect 5 8 in minimum ID to the 7 8 14 UNF 2a 37 male flare outlet of the reciproca tor On the hydraulic supply line L install the following accessories A shutoff valve to isolate the system for servic ing e A fluid pressure gauge F to monitor the hydraulic oil pressure to the reciprocator and avoid overpres surizing the reciprocator or displacement pump pressure and temperature compensated flow control valve G to prevent the reciprocator from running too fast e A pressure reducing valve H with a drain line K running directly into the hydraulic return line e accumulator J to redu
19. whenever starts when hydraulic power is restored the hy you shut off the pump check service clean or draulic line valves filters etc are clogged repair any part of the system 3 Always stop the pump at the bottom of its stroke and keep the packing nut 1 3 full with TSL PROBLEM CAUSE SOLUTION Pump operates but output low on Restricted lines or inadequate hy Clear lines increase hydraulic sup both strokes draulic supply ply Insufficient hydraulic pressure Open clean closed or clogged valves etc Exhausted fluid supply Refill and reprime or flush Loose packing nut or worn pack Tighten replace ings Pump operates but output low on Held open or worn intake valve Clear service See manual 306981 down stroke Pump operates but low on up Held open or worn piston or pack Clear service See manual 306981 stroke ings Erratic pump operation Exhausted fluid supply Refill and reprime or flush Held open or worn intake valve or Clear service See manual 306981 piston packings Excessive hydraulic fluid supply vol ume Air entrained in fluid Purge all air change fluid Pump fails to operate Restricted lines or inadequate hy Clear increase draulic supply Insufficient hydraulic pressure Open clean closed or clogged valves etc Exhausted fluid supply Refill and reprime or flush Damaged hydraulic reciprocator Service see manual 307654 Dried fluid seizure of displacement Service Se
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