Graco 307983L User's Manual
Contents
1. 13 180944 SEAT piston valve 1 31 100133 LOCKWASHER 3 8 10 mm size 14 180930 HOUSING intake valve 1 39 185917 GASKET piston cellulose fiber 15 101178 BALL intake steel 40A 172479 TAG warning not shown 42 160016 SPACER piston U NARA 1 1 4 31 8 mm diameter 1 16 205061 RETAINER and SEAT intake valve 1 4M 179761 TAG warning not shown 17 171177 GASKET nylon 1 These parts are included in Repair Kit 223320 which may 18 160006 PIN straight 1 be purchased separately 19 101529 SCREW hex hd 3 8 16 x 2 3 4 70 mm long 1 Keep these spare parts on hand to reduce down time w nylon locking patch 3 20 171163 WASHER flat 3 A Replacement Danger and Warning labels tags and cards 21 185964 WASHER piston 2 are available at no cost 06076 307983 9 Conversion Kit 223321 CONVERSION KIT Must be purchased separately Converts the pump to PTFE throat packings Part No 185648 185662 166165 185630 171168 171177 185917 Description Female Gland Male Gland V Packing PTFE Cup Packing UHMWPE Gasket nylon Gasket nylon Gasket cellulose fiber 10 307983 Qty PO 3apoAaa Technical Data Category Data Maximum Working Pressure 400 psi 28 bar Wetted Parts Ductile Iron Carbon Steel 17 4 PH and 304 Stainless Steel Cadmium Zinc and Nickel Plating Nitralloy fluoroelastomer Cellulose Fiber Leather Ultra High Molecular Weight Polyethylene 307983 112. 4 307983 Fig If you are pumping heavy viscosity fluid and erratic pump operation develops disassemble the pump as explained on page 5 To increase the ball travel in the intake valve move the pin 18 to the center or upper set of holes To increase the ball travel in the piston valve place the piston ina vise loosen the upper cap 27 to relieve tension on the plunger rod 23 and turn the plunger rod counterclockwise two complete turns beyond its factory set position or enough to set the total ball travel to 0 306 in 7 8 mm If you are pumping lighter viscosity fluid and surging develops disassemble the pump as explained on page 5 To decrease the ball travel in the intake valve place the pin 18 in the lowest set of holes To decrease the ball travel in the piston valve place the piston in a vise loosen the upper cap 27 to relieve tension on the plunger rod 23 and turn the plunger rod clockwise two complete turns beyond its factory set position or enough to set the total ball travel to 0 102 in 2 6 mm Ball Travel Ball Travel Intake Valve 06081 Service Before you start 1 Have all necessary repair parts on hand Recom mended spare parts are marked in the parts list with a check mark for example 3 Packing Repair Kits are available for some pumps See the parts list for your pump to order the cor rect kit Use all the new parts in the kit for
3. 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 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 accordance 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 with 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 part
4. Provide fresh air ventilation to avoid the buildup of flammable fumes from solvents or the fluid being sprayed Keep the spray area free of debris including solvent rags and gasoline Electrically disconnect all equipment in the spray area Extinguish all open flames or pilot lights in the spray area Do not smoke in the spray area Do not turn on or off any light switch in the spray area while operating or if fumes are present Do not operate a gasoline engine in the spray 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 MOVING PARTS HAZARD sti Moving parts can pinch or amputate your fingers e Keep clear of all moving parts when starting or operating the pump e Before servicing the equipment follow the Pressure Relief Procedure on page 4 to prevent the equipment from starting unexpectedly 307983 3 Service Pressure Relief Procedure A WARNING PRESSURIZED EQUIPMENT HAZARD The system pressure must be manually relieved to prevent the system from starting or spraying acci dentally To reduce the risk o
5. only for its intended purpose If you are not sure call your Graco distributor Do not alter or modify this equipment 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 11 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 on page 11 and in all equipment manuals Read the fluid and solvent manufacturer s warnings 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 307983 A WARNING 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 e Ground the equipment and the object being sprayed Refer to Grounding in your separate pump manual 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
6. 30 and install a lockwasher 31 on each Install the tie bolts through the intake valve housing 14 and up into the outlet housing 24 Torque oppositely and evenly to 20 24 ft lb 27 33 N m Torque the packing nut wet cup 1 20 24 ft lb 27 33 N m do not overtighten or you may dam age the packings Reconnect the displacement pump to the motor as explained in your separate pump manual Reconnect the ground wire if it was disconnected during service Fill the packing nut wet cup 1 1 2 full of Graco Throat Seal Liquid or a compatible solvent Recon nect all hoses and return the pump to operation Fig 4 8 307983 06076 Parts Model 223177 Series D UHMWPE and Leather Packed Ref Part Ref Part No No Description Qty No No Description Qty 1 180949 PACKING NUT WET CUP 1 22 100279 BALL piston steel 3 106555 O RING fluoroelastomer 2 7 8 22 mm diameter 1 4 108832 O RING fluoroelastomer 2 23 185651 ROD plunger adjustable 1 5 166489 V PACKING leather 2 24 180932 HOUSING outlet pump 1 6 185662 GLAND male 1 25 185647 V PACKING UHMWPE 3 7 171168 GASKET nylon 1 26 185648 GLAND female 1 8 185650 ROD displacement 1 27 190067 CAP rod upper 1 9 24C503 CYLINDER pump 1 29 190176 UNION adapter straight 10 161743 CAP rod lower 1 1 npt m x 1 npsm f swivel 1 11 185630 PACKING cup UHMWPE 2 30 110349 BOLT hex hd 3 8 16 unc 2a x 12 160019 WASHER back up 1 9 229 mm long l
7. Instructions Parts List GRACO Displacement Pump 307983L For supply and circulation of finishing materials Important Safety Instructions Xf Read all warnings and instructions in this manual N Save these instructions 400 psi 28 bar Maximum Working Pressure The maximum safe working pressure is determined by the motor to which this displacement pump is connected Part No 223177 Series D Carbon Steel UHMWPE and Leather Packed Pump Table of Contents Warning S eroa oran EEEN ine ages has 2 SENICE aa ehen eea AA E AAAG 4 lt S A Pats csseieectaciace cease aces hee adios abe tees 9 Technical Data 0 cece eee eee 11 N U Graco Warranty 0 eee 12 Graco Information 0000e 12 See 06080 PROVEN QUALITY LEADING TECHNOLOGY Symbols Warning Symbol Caution Symbol A WARNING A CAUTION This symbol alerts you to the possibility of damage to This symbol alerts you to the possibility of serious or destruction of equipment if you do not follow the injury or death if you do not follow the instructions instructions A WARNING EQUIPMENT MISUSE HAZARD Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury a NA INSTRUCTIONS 2 This equipment is for professional use only Read all instruction manuals tags and labels before operating the equipment Use the equipment
8. f an injury from acci dental spray from the gun splashing fluid or moving parts follow the Pressure Relief Proce dure whenever you e are instructed to relieve the pressure e stop spraying check or service any of the system equipment e or install or clean the spray nozzle 1 Shut off the air or hydraulic power supply to the pump 2 Close the bleed type master air valve required in air powered systems 3 Hold a metal part of the gun firmly to the side of a grounded metal pail and trigger the gun to relieve pressure 4 Open the drain valve required in your system having a container ready to catch the drainage 5 Leave the drain valve open until you are ready to spray again If you suspect that the spray nozzle or hose is com pletely clogged or that pressure has not been fully relieved after following the steps above very slowly loosen the nozzle retaining ring or hose end coupling and relieve pressure gradually then loosen completely Now clear the nozzle or hose Piston and Intake Valve Adjustment See Fig 1 The fluid piston and intake check valves are factory set for pumping medium viscosity fluids The ball stop pin 18 in the intake valve is in the lowest set of holes The piston ball travel is set at 0 204 in 5 2 mm measured from the end of the adjustable plunger rod 23 to the top of the ball 22 This distance represents four complete turns of the rod 23 from the top of the ball
9. in the bottom of the outlet housing and push it up until the threads of the upper cap 27 are roughly level with the top of the packing nut wet cup This makes it easier to connect the coupling nut when the displacement pump is reinstalled on the motor Fig 3 307983 7 Service Place a washer 20 on each of the three screws 19 Assemble the piston as shown for your pump model see Fig 4 Place the piston valve seat 13 in the center of the piston assembly so its lip bottoms out Continue stacking the parts on the screws 19 as shown Place the piston ball 22 on the seat 13 Place a piston spacer 42 on each of the screws 19 Apply thread sealant to the screws and screw the piston assembly into the lower cap 10 Torque the screws 19 to 240 300 in lb 27 34 N m See Fig 4 Carefully guide the cylinder 9 over the piston assembly and displacement rod until it seats in the outlet housing 24 See Fig 2 Apply thread sealant and screw the retainer and seat assembly 16 into the intake valve housing 14 Install the gasket 17 on the intake valve housing A Apply thread sealant and torque to 240 300 in lb 27 34 N m 9 10 Place the intake valve ball 15 on the seat of the retainer and seat assembly 16 Install the ball stop pin 18 in the same set of holes from which it was removed To readjust ball travel see Piston and Intake Valve Adjustment on page 4 Lubricate the tie bolts
10. lacement rod assembly and inspect the o rings 3 in place Disassemble the upper and lower caps 27 10 from the displacement rod 8 Inspect the o rings 4 in place 307983 5 Service A See Fig 3 See Fig 4 AN Apply thread sealant Lubricate threads and torque to 20 24 ft lb 27 33 N m 24 IN WD _ 0 S 06082 Fig 2 6 307983 Service Reassembly See Fig 2 1 Lubricate the packing nut threads and all packings and seals with silicone free lubricant such as no 2 lithium base grease before reassembling 2 If it was necessary to disassemble the displace ment rod assembly reassemble the upper and lower caps 27 10 and the plunger rod 23 to the displacement rod 8 Screw the plunger rod through the lower cap until it protrudes the re quired distance as was recorded in step 12 of Disassembly 3 A Apply sealant to male threads and torque to 80 90 ft lb 108 122 N m Lips of v packings must face down A Lubricate threads and torque to 20 24 ft lb 27 33 N m 4 Lubricate Install the male gland v packings and female gland in the outlet housing 24 as shown for your pump model see Fig 3 Install the v packings one at a time with the lips facing down Install the gasket 7 in the outlet housing 24 Loosely install the packing nut wet cup 1 Insert the displacement rod assembly
11. opyright 1989 Graco Inc is registered to ISO 9001 www graco com Revised 07 2009 12 307983
12. quential 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 a la suite de ou en rapport directement ou indirectement avec les procedures concern es Graco Information For the latest information about Graco products visit www graco com TO PLACE AN ORDER contact your Graco distributor or call one of the following numbers to identify the distributor closest to you 1 800 328 0211 Toll Free 612 623 6921 612 378 3505 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 This manual contains English MM 307983 Graco Headquarters Minneapolis International Offices Belgium China Japan Korea GRACO INC P O BOX 1441 MINNEAPOLIS MN 55440 1441 C
13. replace the entire retainer and seat assem bly Pull the pump cylinder 9 straight off the outlet housing 24 being careful not to tilt it until it is clear of the displacement rod 8 and piston as sembly B Inspect the polished inner surface of the cylinder 9 for scoring wear or damage by running a finger over the surface or holding the part up to a light at an angle Replace if necessary Remove the three screws 19 and washers 20 and disassemble the piston Be very careful when handling the ball 22 and seat 13 as they can be very easily damaged Clean all parts and inspect carefully for wear or damage See Fig 4 Unscrew the packing nut wet cup 1 from the outlet housing 24 Pull the displacement rod 8 down out of the outlet housing Remove and inspect the outlet housing gasket 7 Push the throat packings and glands A out of the outlet housing 24 Clean the outlet housing and throat packings and inspect for wear or damage Inspect the polished outer surface of the displace ment rod 8 for scoring wear or damage by running a finger over the surface or holding the part up to a light at an angle Replace if necessary Do not disassemble the displacement rod assembly unless necessary Before disassem bling carefully measure how far the adjustable plunger rod 23 protrudes from the lower cap 10 This determines the amount of piston ball 22 travel Screw the plunger rod 23 out of the dis p
14. s 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 merchantability 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 conse
15. the best results Kit parts are indicated in the parts list with an asterisk for example 5 Always replace the glands when replacing the packings whether or not you use a repair kit Use a compatible solvent to clean parts Inspect for wear or damage and replace parts as needed Use light waterproof grease wherever lubrication is recommended Disassembly See Fig 2 A WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressure Relief Procedure on page 4 Flush the pump if possible Relieve the pressure Disconnect the air and fluid lines Remove the pump from its mounting and clamp it in a vise Disconnect the displacement pump from the motor as explained in your separate pump manual Loosen the packing nut wet cup 1 Unscrew and remove the four tie bolts 30 and lockwashers 31 Pull the intake valve housing 14 off the pump Remove and inspect the intake valve gasket 17 Unscrew the retainer and seat assembly 16 from the intake valve housing 14 Remove the ball stop pin 18 noting which holes it is in Remove the intake valve ball 15 Handle the ball carefully as it can be easily damaged 5 10 11 12 Clean all parts of the intake valve and inspect carefully for wear or damage Inspect the seat C of the retainer and seat assembly 16 but do not attempt to remove it If the seat is worn or dam aged
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