Graco 306981AD User's Manual
Contents
1. supply is shut off 10 306981 Use an adequately sized air regulator E to control the pump speed and the fluid pressure Always use the lowest air pressure necessary to get the desired re sults Higher pressures waste fluid and cause prema ture wear of the pump packings and spray tip 44 WARNING COMPONENT RUPTURE HAZARD To reduce the risk of overpressurizing uH adi your system which could cause compo nent rupture and serious injury never exceed the Maximum Air Input Pressure marked on the pump Refer to the Technical Data on page 20 44 CAUTION Do not allow the pump to run dry It will quickly accelerate to a high speed causing damage If your pump is running too fast stop it immediately and check the fluid supply If the container is empty and air has been pumped into the lines refill the con tainer and prime the pump and the lines or flush and leave it filled with a compatible solvent Eliminate all air from the fluid system A pump runaway valve B which shuts off the air supply to the pump if the pump accelerates beyond the pre set speed is available See Fig 2 on page 7 Contact your Graco distributor for further infor mation Operation A CAUTION Never leave water or water base fluid in the pump overnight If you are pumping water base fluid flush Shutdown and Care of the Pump 44 WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure al2. PUMP ASSY See pages 18 19 ROD connecting carbon steel Parts Qty L Keep these spare parts on hand to reduce down Ref No Part No 37 101946 4 101566 7 156082 12 168220 13 168222 14 207352 15 223587 37 207698 time 306981 S 13 02507 Parts Model 243664 Series A Model 223586 Series B 30 1 Ratio President Pump Stubby Size Ref No Part No 37 101946 4 101566 7 156082 12 168221 14 207352 15 223587 243663 Description Qty PIN cotter stainless steel 0 12 3 2 mm x 1 5 88 mm NUT lock 3 8 16 3 SEAL o ring nitrile rubber ROD tie carbon steel i 4 5 114 mm shoulder to shoulder 3 AIR MOTOR See 306982 for parts 1 DISPLACEMENT PUMP ASSY Model 223586 only 1 DISPLACEMENT PUMP ASSY Model 243664 only See pgs 18 19 1 L Keep these spare parts on hand to reduce down time 02503 Part No 239327 Series A 15 1 Ratio Monark Pump Stubby Size Ref No 34 4 7 12 14 15 Part No 101946 101566 154771 164722 215363 223587 Description Qty PIN cotter stainless steel 0 12 3 2 mm x 1 5 88 mm 1 NUT lock 3 8 16 O RING buna N ROD tie carbon steel 4 375 in 111 mm shoulder to shoulder 3 AIR MOTOR 0 See 307043 for parts 1 DISPLACEMENT PUMP ASSY See pgs 18 19 1 L Keep these spare parts on hand to reduce down time W 07197A 306981 17 Parts Model 243663
3. 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 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 a la suite de ou en rapport directement ou indirectement avec les procedures concern es G
4. 0 56 po A D gt armate 7 69 0 28 e D7 am 0 0 E gpm 0 0 0 2 0 4 0 6 0 8 1 0 gpm 0 0 0 2 0 4 0 6 0 8 1 0 liters minute 0 8 1 5 2 3 3 0 3 8 liters minute 0 8 1 5 2 3 3 0 3 8 FLUID FLOW TEST FLUID NO 10 WEIGHT OIL FLUID FLOW TEST FLUID NO 10 WEIGHT OIL 15 1 Ratio Monark Pump To find Fluid Outlet Pressure psi MPa bar at a specific fluid flow To find Pump Air Consumption m3 min or scfm at a specific fluid Ipm gpm and operating air pressure psi MPa bar flow Ipm gpm and air pressure psi MPa bar Te Locale destioebliew alepg bottomofchart 1 Locate desired flow along bottom of chart 2 Follow vertical line up to intersection with selected fluid outlet pressure curve black Follow left to scale to read fluid outlet 2 Read vertical line up to intersection with selected air consumption pressure curve dashes Follow left to scale to read air consumption A 100 psi 0 7 MPa 7 bar air pressure B 70 psi 0 49 MPa 4 9 bar air pressure C 40 psi 0 28 MPa 2 8 bar air pressure da PE cycles per minute eas cycles per minute AR 19 37 54 6071 88 sirul 19 37 54 6071 88 1500 25 104 10 4 0 70 L 1250 6 20 gt 87 8 7 F gt D 1000 See A m 70 7 2 15 we 750 0 42 a ee o TL 9 10 A 8 J 3434 ni MP A c ra 5 al 250 ora Zi Z 17 1 7 0 0 gpm 0 0 0 2 0 4 0 6 0 8 1 0 gpm 0 0 0 2 0 4 0 6 0 8 1 0 liters minute 0 8 1 5 2 3 3 0 3 8 liters minute 0 8 1 5 2 3 3 0 3 8 FLUID FLOW TEST FLUID NO 10 WEIGHT OIL FLUID
5. 12 4 Refer to page 14 for displacement pump service Torque to 18 20 ft lb 24 27 N m a A To service the air motor refer to the separate air motor manual supplied SE Lubricate A7 26 o xa Reconnecting the Displacement Pump 7777 1 Lubricate the o ring 7 and place it on the dis placement rod 26 Orient the pump s fluid outlet to the air motor s air inlet as was noted in step 2 under Disconnecting the Displacement Pump Position the displacement pump 15 on the tie rods 12 See Fig 4 2 Screw the locknuts 4 onto the tie rods 12 loose ly Screw the displacement rod 26 into the shaft of the air motor 14 or the connecting rod 37 Model 221075 only until the pin holes align Install the cotter pin 3 3 Mount the pump and reconnect all hoses 15 Reconnect the ground wire if it was disconnected Le during repair Torque the packing nut wet cup 36 to 18 20 ft lb 24 27 N m Fill the wet cup with Graco Throat Seal Liquid or compatible solvent 4 Tighten the tie rod locknuts 4 evenly and torque as specified in Fig 4 NE 5 Start the pump and run it at about 40 psi 3 bar air pressure to check that it is operating properly Fig 4 02503 306981 13 Service Displacement Pump Service Disassembly When disassembling the pump lay out all removed parts in sequence to ease reassembly Refer to Fig 5 NOTE Repair Kit 235635 is available For the best result
6. A CAUTION Graco Information 24 This symbol alerts you to the possibility of damage to or destruction of equipment if you do not follow the instructions 44 WARNING EQUIPMENT MISUSE HAZARD Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury Ed NA INSTRUCTIONS This equipment is for professional use only Read 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 20 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 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 Wear hearing protection when operating this equipment Do not lift pressurized equipment Comply with all applicable local state and national fire electr
7. B A 77 7 dB A Sound Power Levels dBa tested in accordance with ISO 9614 2 Input Air Pressures at 15 cycles per minute Air Motor 40 psi 0 28 MPa 2 8 bar 70 psi 0 48 MPa 4 8 bar 100 psi 0 7 MPa 7 bar President 87 4 dB A 92 09 dB A 94 62 dB A 87 0 dB A 89 7 dB A 91 4 dB A 20 306981 Technical Data 30 1 Ratio President Pumps To find Fluid Outlet Pressure psi MPa bar at a specific fluid flow To find Pump Air Consumption m3 min or scfm at a specific fluid Ipm gpm and operating air pressure psi MPa bar flow Ipm gpm and air pressure psi MPa bar di Locate desired flew along bottam bf chat 1 Locate desired flow along bottom of chart 2 Follow vertical line up to intersection with selected fluid outlet pressure curve black Follow left to scale to read fluid outlet 2 Read vertical line up to intersection with selected air consumption pressure curve dashes Follow left to scale to read air consumption A 120 psi 0 8 MPa 8 bar air pressure B 100 psi 0 7 MPa 7 bar air pressure C 70 psi 0 49 MPa 4 9 bar air pressure D 40 psi 0 28 MPa 2 8 bar air pressure psi cycles per minute scfm cycles per minute MPa bar 12 24 36 48 60 m min 12 24 36 48 60 4000 40 z 5 3000 E 30 Az p 21 207 D ec 0 84 Pla Vai Lu B oc 2000 2 20 AA O Q 14 138 O
8. FLOW TEST FLUID NO 10 WEIGHT OIL 306981 21 Notes 22 306981 Dimensions Model 223586 Shown PP a a A Air Inlet TES President Pumps 1 2 npt f Monark Pumps 3 8 npt f gt Be TI Eai 3 8 npt f Fluid Outlet 3 4 npt m Y Fluid Intake E 223586 30 in 15 in 15 in 243664 762 mm 381 mm 381 mm 221075 47 in 15 in 32 in 1194 mm 381 mm 810 mm 239327 28 in 13 in 15 in 711 mm 330 mm 381 mm Mounting Hole Layout 4 38 111 3 mm dia Use Gasket 166392 Order Separately 0775 306981 23 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 negligenc
9. Instructions Parts List HYDRA SPRAY GRACO President and Monark Pumps For airless and air assisted spraying of finishing materials Important Safety Instructions 14 Read all warnings and instructions in this manual N Save these instructions 30 1 RATIO PRESIDENT PUMPS 3600 psi 25 MPa 248 bar Maximum Fluid Working Pressure 120 psi 0 8 MPa 8 bar Maximum Air Input Pressure Part No 221075 Series C 55 Gallon 200 Liter Drum Size Edy 1 2 G T3 ITSO3ATEX11228 Part No 243664 Series A Stubby Size Dee Part No 223586 Series B Stubby Size EX izar 15 1 RATIO MONARK PUMPS 1500 psi 10 5 MPa 105 bar Maximum Fluid Working Pressure 100 psi 0 7 MPa 7 bar Maximum Air Input Pressure Part No 239327 Series A Stubby Size Ex 1 2 G T3 ITS03ATEX11228 306981AD K 02501 NEZ Model 223586 ts 07196A Model 239327 CE ass PROVEN QUALITY LEADING TECHNOLOGY Table of Contents Symbols VANT Soia tin iaa 2 Warning Symbol installation isca fa ere ee ee ewe Pa El ra 5 Operation nunun nnna 9 A WARNING Troubleshooting e cece eee eee eee 12 SERGE O ani A 13 This symbol alerts you to the possibility of serious AMS actos iii ela ea ton mee 16 injury or death if you do not follow the instructions Technical Data eens 20 Dimensions ees 23 Caution Symbol Mounting Hole Layout 23 Graco Standard Warranty e 24
10. Series A Model 223587 Series D Severe Duty Displacement Pumps 02506 18 306981 Model 243663 Series A Model 223587 Series D Severe Duty Displacement Pumps Ref Ref No PartNo Description Qty No PartNo Description Qty 17 105444 BALL piston stainless steel 31 186183 RETAINER o ring stainless steel 1 0 31 7 9 mm dia 1 32 186187 GUIDE ball stainless steel 1 18 see Chan V PACKING 6 33 223593 HOUSING valve intake 19 164480 GASKET flat PTFE 1 stainless steel with 20 24C500 SLEEVE housing stainless steel 1 tungsten carbide seat 1 22 186184 RETAINER packing 34 223565 STUD piston stainless steel with stainless steel 1 tungsten carbide seat 1 23 see chart V PACKING 6 35 207011 HOUSING outlet carbon steel 1 24 186182 GLAND packing male 36 207731 PACKING NUT WET CUP stainless steel 2 carbon steel 1 25 186181 GLAND packing female 38 172479 TAG warning not shown 1 stainless steel 2 26 24C507 ROD displacement These parts are included in Standard Repair Kits stainless steel 1 See chart below for the packing materials of each 28 105445 BALL intake stainless steel kit 0 5 13 mm dia 1 29 186179 PIN ball stop stainless steel 1 L Keep these spare parts on hand to reduce down _ 30 165052 SEAL o ring PTFE time Repair Kit and Packing Chart 164477 Leather 6 leather and 6 PTFE V packings are 164862 PTFE included in kit 235635 Tuff Stack 12 Tu
11. d by kinks or bends near the couplings MOVING PARTS HAZARD z Moving parts such as the air motor piston 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 9 to prevent the equipment from starting unexpectedly 306981 3 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 Ground the equipment and the object being sprayed Refer to Grounding on page 5 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 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 swallo
12. e 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 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
13. ff Stack V packings are Tuff Stack included in kit 243687 Leather 6 leather and 6 UHMWPE V packings E Ultra High Molecular are included in kit 223675 Weight Polyethylene 18 164862 PTFE 12 PTFE V packings are included in Packing Set 243621 contains 12 Tuff Stack V packings MODEL Era 223587 18 a 243663 18 as 18 306981 19 Technical Data Category Data Maximum fluid working pressure Models 221075 223586 and 243664 3600 psi 25 MPa 248 bar Model 239327 1500 psi 10 5 MPa 105 bar Maximum air input pressure Models 221075 223586 and 243664 120 psi 0 8 MPa 8 bar Model 239327 100 psi 0 7 MPa 7 bar Ratio Models 221075 223586 and 243664 30 1 Model 239327 15 1 Fluid flow at 60 cycles per minute Models 221075 223586 and 243664 1 gallon 3 8 liters per minute Model 239327 0 7 gallon 2 6 liters per minute Recommended pump speed 15 to 25 cycles per minute Model 221075 approximately 30 Ib 14 kg Model 223586 and 243664 approximately 24 Ib 11 kg Model 239327 approximately 18 Ib 8 kg Wetted parts Carbon Steel Chrome and Zinc Plating Tungsten Carbide PTFE Leather AISI 304 316 420 440 and 17 4 PH Grades of Stainless Steel Sound Pressure Levels dBa measured at 1 meter from unit Input Air Pressures at 15 cycles per minute 40 psi 0 28 MPa 2 8 bar 70 psi 0 48 MPa 4 8 bar 100 psi 0 7 MPa 7 bar 73 6 dB A 78 34 dB A 80 85 dB A 73 3 dB A 75 9 d
14. ical and safety regulations 2 306981 A WARNING SKIN 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 the skin might look like just a cut but it is a serious injury Get immediate surgi cal treatment Do not point the gun at anyone or at any part of the body Do not put your hand or fingers over the spray tip 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 Check the gun diffuser operation weekly Refer to the gun manual Be sure the gun trigger safety operates before spraying Lock the gun trigger safety when you stop spraying Follow the Pressure Relief Procedure on page 9 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 cause
15. le Be sure the ball seats of the pis ton R and intake valve housing S are not chipped or nicked Replace any worn or damaged parts NOTE If the sleeve 20 needs replacement and is hard to remove contact your Graco distributor 14 306981 Reassembly Lubricate the throat packings and install them in the outlet housing 35 one at a time as follows with the lips of the v packings facing down the male gland 24 one leather v packing 18 one PTFE 23 one leather 18 one PTFE 23 one leather 18 one PTFE 23 and the female gland 25 Install the packing nut 36 loosely See the Throat Packing Detail in Fig 5 If you removed the sleeve 20 reinstall it in the outlet housing 35 making sure to replace the gasket 19 Be sure the tapered end of the sleeve faces down toward the pump intake Lubricate the piston packings and install them onto the piston stud 34 one at a time in the following order with the lips of the v packings facing up the female gland 25 one PTFE v packing 23 one leather v packing 18 one PTFE 23 one leath er 18 one PTFE 23 one leather 18 the male gland 24 and the packing retainer 22 See the Piston Packing Detail in Fig 5 Use thread sealant on the piston stud 34 Install the piston ball 17 on the piston and screw the piston valve assembly into the displacement rod 26 Torque to 55 65 ft lb 74 88 N m Insert the displacement r
16. lems and solutions before disassembling the pump PROBLEM CAUSE SOLUTION Pump fails to operate Restricted line or inadequate air supply Clear line increase air supply Insufficient air pressure closed or Open clean clogged air valves etc Exhausted fluid supply Refill purge all air from pump and fluid lines Damaged air valving mechanism stalling Service air motor see manual supplied Dried fluid seizure of displacement rod Clean rod check or replace throat pack 26 ings 18 23 always stop pump at bot tom of stroke and keep wet cup filled with compatible solvent Pump operates but out Restricted line or inadequate air supply Clear line increase air supply put is low on both Insufficient air pressure closed or Open clean clogged air valves etc strokes Exhausted fluid supply Refill purge all air from pump and fluid lines Packing nut 36 is too tight Loosen see page 9 Loose packing nut 36 or worn throat Tighten packing nut see page 9 packings 18 23 replace throat packings See page 14 Pump operates but out Held open or worn intake valve Clear service See page 14 put is low on down stroke Pump operates but out Held open or worn fluid piston valve or Clear service See page 14 put is low on down packings 18 23 stroke Erratic or accelerated op Exhausted fluid supply Refill purge all air from pump and fluid eration lines Held open or worn intake
17. locknut W and washer X Insert one end of the ground wire Y into the slot in lug Z and tighten the locknut securely Connect the other end of the wire to a true earth ground Order Part No 238909 d S LR 0720 Fig 1 2 Air and fluid hoses use only electrically conductive hoses 3 Air compressor follow manufacturer s recommen dations 4 Spray gun ground through connection to a prop erly grounded fluid hose and pump 5 Fluid supply container follow your local code 6 Object being sprayed follow your local code 7 Solvent pails used when flushing follow 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 continu ity 8 To maintain grounding continuity when flushing or relieving pressure hold a metal part of the spray gun firmly to the side of a grounded metal pail then trigger the gun 306981 5 Installation Refer to the Typical Installation drawing Fig 2 44 WARNING A bleed type master air valve D and a fluid drain valve J are required in your system These acces sories help reduce the risk of serious injury includ ing skin injection and splashing of fluid in the eyes or on the skin and injury from moving parts if you are adjusting or repairing the pump The bleed type master air valve relieves air trapped bet
18. od 26 into the bottom of the outlet housing 35 being careful not to scratch the sleeve 20 Push the rod straight up until it protrudes from the packing nut 36 Install the ball 28 guide 32 o ring 30 retain er 31 and ball stop pin 29 in the intake valve housing 33 Apply thread lubricant and screw the intake housing into the outlet housing 35 Torque to 55 65 ft lb 74 88 N m Reconnect the displacement pump to the air motor as explained on page 13 Service A Torque to 18 20 ft lb 24 27 N m A Torque to 55 65 ft lb 74 88 N m Lips of v packings must face down OS Lips of v packings must face up 2 Tapered end must face down 3 toward pump intake 33 Be na A ud thread lubricant gt alaa Throat Packing Detail See Throat Packing J L Detail at Right 02505 N Piston Packing Detail 26 LT Re See Piston Packing GS a Detail at Right 35 Ref NI e sli AL 22 18 LT 24 AA Y ALLO a Na AA 02504 02505 Fig 5 306981 15 16 Model 221075 Series C 30 1 Ratio President Pump 55 gal 200 liter Drum Size Description PIN cotter stainless steel 0 12 3 2 mm x 1 5 88 mm NUT lock 3 8 16 SEAL o ring nitrile rubber ROD tie carbon steel 20 508 mm shoulder to shoulder TUBE intake extension aluminum AIR MOTOR See 306982 for parts DISPLACEMENT
19. ow the Pressure Relief Procedure whenever you 44 WARNING MOVING PARTS HAZARD Do not operate without the air motor plates P Fig 3 in place Pinching or amputation of fingers or hands may occur See MOVING PARTS HAZARD on page 3 e are instructed to relieve the pressure e stop spraying Packing Nut e check or service any of the system equipment Keep the packing nut wet cup 36 filled with Graco e or install or clean the spray tip Throat Seal Liquid TSL or compatible solvent to help prolong the packing life See Fig 3 1 Lock the gun trigger safety A WARNING 2 Close the bleed type master air valve D required in your system See Fig 2 To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressure Relief Procedure at lefi 3 Unlock the gun trigger safety The packing nut is torqued at the factory and is ready 4 Hold Sa see 3 Li oe to the i a for operation If it becomes loose and there is leaking grounded metal pail and trigger the gun to relieve from the throat packings relieve pressure then torque Ries the nut to 18 20 ft lb 24 27 N m Do this whenever necessary Do not overtighten the packing nut 5 Lock the gun trigger safety N J p l E Flush the Pump Before First Use 6 Open the drain valve J required in your system having a container ready to catch the drainage The pump is tested with lightweight oil which is left in
20. raco 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 306981 Graco Headquarters Minneapolis International Offices Belgium China Japan Korea GRACO INC P O BOX 1441 MINNEAPOLIS MN 55440 1441 Copyright 1991 Graco Inc is registered to ISO 9001 www graco com Revised 07 2009 24 306981
21. s use all the new parts in the kit Parts included in the kit are denoted with an asterisk for example 17 Clean all the parts thoroughly when disassembling Check them carefully for damage or wear replacing parts as needed 1 Remove the displacement pump from the air motor as explained on page 13 Unscrew the intake valve housing 33 from the outlet housing 35 If it is difficult to remove squirt penetrating oil around the threads and gently tap around the valve housing with a plastic ham mer to loosen it See Fig 5 Remove the ball stop pin 29 o ring retainer 31 o ring 30 guide 32 and ball 28 from the intake valve housing 33 Loosen the packing nut 36 Push the displace ment rod 26 down as far as possible then pull it out the bottom of the outlet housing 35 Secure the flats of the displacement rod 26 ina vise Screw the piston stud 34 out of the rod Re move the ball 17 retainer 22 packings 18 23 and glands 24 25 Remove the packing nut 36 throat packings 18 23 and glands 24 25 from the outlet housing 35 Inspect all parts for damage Clean all parts and threads with a compatible solvent before reassem bling Inspect the polished surfaces of the dis placement rod 26 and sleeve 20 for scratches scoring or other damage which can cause prema ture packing wear and leaking To check run a finger over the surface or hold the part up to the light at an ang
22. ster air valve D is required in your system to relieve air trapped between it and the air motor when the valve is closed see the WARNING at left Be sure the bleed valve is easily accessible from the pump and is located down stream from the air regulator e A pump runaway valve B senses when the pump is running too fast and automatically shuts off the air to the motor A pump which runs too fast can be seriously damaged e An air regulator E controls pump speed and outlet pressure by adjusting the air pressure to the pump Locate the regulator close to the pump but upstream from the bleed type master air valve e An air line filter F removes harmful dirt and moisture from the compressed air supply e A second bleed type air valve G isolates the air line accessories for servicing Locate upstream from all other air line accessories Fluid Line Accessories Install the following accessories in the positions shown in Fig 2 using adapters as necessary e A fluid drain valve J is required in your system to relieve fluid pressure in the hose and gun see the WARNING at left Install the drain valve point ing down but so the handle points up when the valve is opened e A fluid filter K filters harmful particles from the fluid e A spray gun M dispenses the fluid The gun shown in Fig 2 is an airless spray gun Installation KEY DOW gt On m lt ZZPFACcI Model 223586 Shown Pump Pump Runa
23. to protect the pump parts If the fluid you are using 7 Leave the drain valve open until you are ready to may be contaminated by the oil flush it out with a spray again compatible solvent See Flushing on page 11 306981 9 Operation Starting and Adjusting the Pump See Fig 2 on page 7 Be sure the air regulator E and bleed type master air valve D are closed Do not install the spray tip yet Connect a suction hose N to the pump s fluid inlet Hold a metal part of the spray gun M firmly to the side of a grounded metal pail and hold the trigger open Then open the pump s bleed type master air valve D Now slowly open the air regulator until the pump starts about 40 psi 0 3 MPa 3 bar Cycle the pump slowly until all the air is pushed out and the pump and hoses are fully primed Release the spray gun trigger and lock the trigger safety The pump should stall against pressure when the trigger is re leased 44 WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressure Relief Procedure on page 9 Relieve the pressure Install the spray tip as explained in your separate gun manual With the pump and lines primed and with adequate air pressure and volume supplied the pump will start and stop as the spray gun is opened and closed In a circu lating system the pump will run continuously and will speed up or slow down as supply demands until the air
24. valve Clear service See page 14 Held open or worn fluid piston valve or Clear service See page 14 packings 18 23 To determine if the fluid hose or gun is obstructed relieve the pressure Disconnect the fluid hose and place a container at the pump fluid outlet to catch any fluid Turn on the air just enough to start the pump about 20 40 psi 0 14 0 28 MPa 1 4 2 8 bar If the pump starts when the air is turned on the obstruction is in the fluid hose or gun 12 306981 Service Disconnecting the Displacement Pump Model 223586 Shown A WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressure Relief Procedure on page 9 1 Flush the pump if possible Stop the pump at the bottom of its stroke Relieve the pressure 2 Disconnect the air and fluid hoses Remove the pump from its mounting Note the relative position of the pump s fluid outlet to the air motor s air inlet 3 See Fig 4 For Model 221075 refer also to the Parts Drawing on page 16 Unscrew the tie rod locknuts 4 from the tie rods 12 Remove the cotter pin 3 Unscrew the displacement rod 26 from the air motor 14 or connecting rod 37 Mod el 221075 only Carefully pull the displacement pump 15 off the air motor 14 Inspect the o ring 7 gt President Pumps Torque to 20 30 ft lb 27 41 N m E Monark Pumps Torque to 15 20 ft lb 20 27 N m
25. way Valve Air Line Lubricator Bleed Type Master Air Valve required for pump Pump Air Regulator Air Line Filter Bleed Type Master Air Valve for accessories Air Supply Hose Fluid Drain Valve required Fluid Filter Fluid Supply Hose Spray Gun Fluid Suction Hose Ground Wire required see page 5 for installation instructions lo o Fig 2 o 9 l Ne 4 F sea t i a 02502 306981 7 Notes 8 306981 Operation Pressure Relief Procedure If you suspect that the spray tip or hose is completely clogged or that pressure has not been fully relieved after following the steps above very slowly loosen the A WARNING tip guard retaining nut or hose end coupling and relieve SKIN INJECTION HAZARD pressure gradually then loosen completely Now clear The system pressure must be manually lan ONOSE relieved to prevent the system from starting or spraying accidentally Fluid under high pressure can be injected through the skin and cause serious injury To reduce the risk of an injury from injection splashing fluid or moving parts foll
26. ways follow the Pressure Relief Procedure on page 9 For overnight shutdown relieve the pressure Always stop the pump at the bottom of the stroke to prevent the fluid from drying on the exposed displacement rod and damaging the throat packings Always flush the pump before the fluid dries on the displacement rod See Flushing below Flushing 44 WARNING FIRE AND EXPLOSION HAZARD Before flushing read the section FIRE AND EXPLOSION HAZARD on page 4 Be sure the entire system and flush ing pails are properly grounded Refer to Grounding on page 5 Flush the pump e Before the first use e When changing colors or fluids e Before fluid can dry or settle out in a dormant pump check the pot life of catalyzed fluids e Before storing the pump Flush with a fluid that is compatible with the fluid you are pumping and with the wetted parts in your system Check with your fluid manufacturer or supplier for recommended flushing fluids and flushing frequency If the pump is being used to supply a circulating sys tem allow the solvent to circulate until the pump is thoroughly flushed with water first then with a rust inhibitor such as mineral spirits Relieve the pressure but leave the rust inhibitor in the pump to protect the parts from corrosion Model 223586 Shown Torque to 18 20 ft lb A N 24 27 N m L 02501 Fig 3 306981 11 Troubleshooting NOTE Check all possible prob
27. wed 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 4 306981 Installation General Information NOTE Reference numbers and letters in parentheses in the text refer to the callouts in the figures and the parts drawing NOTE Always use Genuine Graco Parts and Acces sories available from your Graco distributor If you supply your own accessories be sure they are ade quately sized and pressure rated for your system Fig 2 is only a guide for selecting and installing sys tem components and accessories Contact your Graco distributor for assistance in designing a system to suit your particular needs Prepare the Operator All persons who operate the equipment must be trained in the safe efficient operation of all system components as well as the proper handling of all fluids All operators must thoroughly read all instruction manuals tags and labels before operating the equip ment Grounding 44 WARNING FIRE AND EXPLOSION HAZARD Before operating the pump ground the system as explained below Also read the section FIRE AND EXPLOSION HAZARD on page 4 1 Pump use a 12 gauge 1 5 mm2 minimum ground wire and clamp See Fig 1 Loosen the grounding lug
28. ween this valve and the pump after the air is shut off Trapped air can cause the pump to cycle unexpectedly Locate the valve close to the pump Order Part No 113333 The fluid drain valve assists in relieving fluid pres sure in the displacement pump hose and gun Triggering the gun to relieve pressure may not be sufficient Order Part No 238635 Mounting Accessories Mount the pump A to suit the type of installation planned The pump dimensions and mounting hole layout are shown on page 23 Air and Fluid Hoses Ensure that you have an adequate compressed air supply Refer to the performance chart on page 20 to find the air consumption of your pump Be sure all air and fluid hoses are properly sized and pressure rated for your system Use only electrically conductive air and fluid hoses Fluid hoses must have spring guards on both ends Connect an electrically conductive fluid hose L to the pump s 3 8 npt f fluid outlet Use of a short whip hose between the main fluid hose L and the gun M allows freer gun movement Connect a fluid suction hose or tube N to the pump s 3 4 npt m fluid intake Use an electrically conductive 1 2 in 1 D minimum air hose H to supply air to the pump 6 306981 Air Line Accessories Install the following accessories in the order shown in Fig 2 using adapters as necessary e An air line lubricator C provides automatic air motor lubrication e A bleed type ma
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