Graco 205148 Water Pump User Manual
Contents
1. spring N and retainer G Turn retainer in about 3 times Lubricate connecting tube A with light waterproof grease Carefully push base onto tube and secure it to the cylinder with screws and washer Then tighten pack ing retainer G snugly Inspect o ring 18 in air motor base Replace it if it is damaged Grease new o ring before installing it Install air motor shield and screws Install check valve plate 14 cylinder 19 collars 17 and pump guides 12 Secure with lock wash ers 2 and nuts 4 on screws 5 Screw priming piston 13 onto connecting tube A Pump Intake Repair FIG 4 1 Relieve pressure page 5 2 Disconnect air hose from motor 3 Remove pump from inductor plate 4 Remove nuts and lock washers 4 2 holding pump guides 12 Remove collars 17 5 Pull cylinder 19 straight down 6 Unscrews priming piston 13 from connecting tube A The priming piston has a 1 3 4 in hex in the center 7 Remove check valve plate 14 8 Clean all parts thoroughly and inspect for wear or damage Replace parts as necessary and reassemble 306642F Parts 3 4 npt air inlet fe 21 77 L fluid outlet gt a 11 Cara ti10555a FIG 5 306642F Model 205148 Pump 3 1 Bulldog Ref No Part No 100133 100340 100454 101864 162841 162842 162844 162846 162933 162934 162936 208357 Description LOCKWASHER spring 3 82. ated Ae Priming Piston A A oe Powe Ane eee ete bx 28 25 in 718 mm Inductor Diameter 2 0 00 0 ees 22 5 in 570 mm Wehl 22404455 24i2 4452306 40a meee bicis 121 lb 53 Kg approximate Wetted Parts cursis tn ad dw how oe ad fe dh a ea eo Aluminum steel Buna N Leather Brass neoprene duck 10 306642F Notes Notes 306642F 11 Graco Warranty and Disclaimers Graco Warranty and Disclaimers Warranty Graco warrants all equipment manufactured by it and bearing its name to be free from defects in material and work manship on the date of sale by an authorized Graco distributor to the original purchaser for use As purchasers sole remedy for breach of this warranty Graco will for a period of twelve months from the date of sale repair or replace any part of the equipment proven 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 any malfunction damage or wear caused by faulty installation misapplication abrasion corrosion inadequate or improper maintenance negligence accident tamper ing or substitution of non Graco component parts Nor shall Graco be liable for malfunction damage or wear caused by incompatibility with Graco equipment of structures accessories equipment or materials not supplied by Graco or improper design manufacture installation opera
3. repair of this equipment The exclamation point sym bol alerts you to a general warning and the hazard symbol refers to procedure specific risk Refer back to these warnings Addi tional product specific warnings may be found throughout the body of this manual where applicable FIRE AND EXPLOSION HAZARD When flammable fluids are present in the work area such as gasoline and windshield wiper fluid be aware that flammable fumes can ignite or explode To help prevent fire and explosion e Use equipment only in well ventilated area e Eliminate all ignition sources such as cigarettes and portable electric lamps e Keep work area free of debris including rags and spilled or open containers of solvent and gasoline e Do not plug or unplug power cords or turn lights on or off when flammable fumes are present e Ground all equipment in the work area e Use only grounded hoses e If there is static sparking or you feel a shock stop operation immediately Do not use equipment until you identify and correct the problem Keep a working fire extinguisher in the work area EQUIPMENT MISUSE HAZARD Misuse can cause death or serious injury e Do not operate the unit when fatigued or under the influence of drugs or alcohol e Do not exceed the maximum working pressure or temperature rating of the lowest rated system component See Technical Data in all equipment manuals Use fluids and solvents that are compatible with equipment wetted pa
4. valve relieves air trapped between it and the air motor Trapped air can cause the pump to cycle unexpectedly and cause serious bodily injury from moving parts NnMU0OU gt Air Line Filter Air Regulator Air Runaway Valve Air Line Oiler Bleed type Master Air Valve Outlet Hose e Install Transfer Hose F to the 2 in npt f pump outlet and tighten securely For air requirements and additional Technical Data see page 10 Install the Pump 1 Remove cover from a full open head drum of lubri cant 2 To help eliminate air pockets which is essential for good priming smooth surface of the lubricant with a straight edge until it is level 3 Lift pump from the inductor plate and wipe bottom of plate clean 4 Press inductor plate down onto the lubricant Rock plate back and forth to firmly seat it and to exhaust air trapped under the plate Continue with this motion until some lubricant is forced up into the neck of the inductor plate 5 Place pump on the inductor plate 306642F Operation Pressure Relief Procedure The system pressure must be manually relieved to pre vent the system from starting accidentally which could Cause moving parts to pinch or amputate your fingers To reduce the risk for injury always follow this proce dure whenever you are instructed to relieve the pressure check or service any part of the pump or system 1 Shut off main air supply 2 Close the air regulat
5. Instructions Parts List GQ GRACO 3 1 Ratio Bulldog Transfer Pump 306642F For use in lubrication applications only Model 205028 With inductor guide bars and release bar Pave Model 205148 Series E Without inductor guide bars and release bar 300 psi 2 1 MPa 21 bar Maximum Working Pressure 100 psi 0 7 MPa 7 bar Maximum Air Input Pressure Important Safety Instructions Se Read all warnings and instructions in this manual Save these instructions Use with lubrication applications only This pump is designed to be used for pumping non corrosive and non abrasive lubricants and greases only Any other use of the pump can cause unsafe operating conditions and result in component rupture fire or explosion which can cause serious bodily injury Priming Piston Hazard This pump has a priming piston which extends below the foot valve during operation This piston could pinch or amputate your fingers or hands as it moves up into the cyl inder To reduce the risk of injury keep your fingers and ti10550a hands and all tools away from the priming piston during operation and whenever the air and fluid pressure in the pump is not fully relieved PROVEN QUALITY LEADING TECHNOLOGY A Graco Inc P O Box 1441 Minneapolis MN 55440 1441 pl Copyright 1958 Graco Inc is registered to I S EN ISO 9001 Warnings Warnings The following warnings are for the setup use grounding maintenance and
6. NUT hex 3 8 16 CAPSCREW hex hd 3 8 16x3 CAPSCREW soc hd 5 16 18 x 1 O RING ADAPTER PLATE priming shovel PLATE check valve COLLAR cylinder mounting O RING CYLINDER pump intake AIR MOTOR see manual 307049 for parts Recommended tool box spare parts Keep on hand Model 205028 Pump 3 1 Bulldog with inductor Ref No Part No 100057 100214 100799 161288 162843 162852 162853 205144 Description SCREW hex hd cap 5 16 18 x 3 4 LOCKWASHER spring 5 16 SCREW rd hd mach 1 4 20 x 1 2 SEGMENT full barrel 400 Ib GUIDE pump WIPER follow plate BAR follow plate release PLATE follow Recommended tool box spare parts Keep on hand z lt lt hd dy dh S ss KK BK BL LB FT Parts Qty 4 4 8 6 4 1 1 1 Technical Data Technical Data Fluid Pressure Ratio 0 00 00 eee ees 3 1 Air Pressure R ne vocet roras inene REGAN eee eed 40 100 psi 0 28 0 7 MPa 2 8 7 bar Maximum Working Fluid Pressure 300 psi 2 1 MPa 21 bar Maximum Recommended Pump Speed 60 cycles minute Air Motor Effective Diameter 7 in 178 mm STOKO Aid oe ese wee eet Sai bcs Sse a N 4 3 4 in 120 mm Air SIZE 2 6k Jace o S 5oea8 8 sesh bide end Gare Ree co aa a aia 3 4 npsm f swivel Fluid QuulelSiZ c2a cciothecteedatssaeae a 2 in npt f EII INS 2 cria a Mla Rta gee a cir aoa Sinem Bak Moe
7. e worn or damaged parts immediately MOVING PARTS HAZARD Moving parts can pinch or amputate fingers and other body parts Keep clear of moving parts Do not operate equipment with protective guards or covers removed Pressurized equipment can start without warning Before checking moving or servicing equipment follow the Pressure Relief Procedure in this manual Disconnect power or air supply 2 306642F Installation Grounding In a low pressure air spray system static sparking is generally not a problem however some simple precau tions should be taken to reduce the risk Check your local code for detailed grounding instructions for your area and type of equipment Ground all equipment Grounding reduces the risk of static and electric shock by providing an escape wire for the electrical current due to static build up or in the event of a short circuit e Pump FIG 1 Use ground wire and clamp sup plied Loosen grounding lug locknut a and washer b Insert one end of ground wire c into the slot in the lug d Tighten locknut securely Connect other end of wire to a true earth ground 306642F Installation L U dE Y 1 a Y CC ZS FIG 1 e Air Compressor according to manufacturer s rec ommendations Object being sprayed according to local code Fluid supply container according to local code All solvent pails used when flushing according to local code Only use conducti
8. es 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 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 306642 Graco Headquarters Minneapolis International Offices Belgium China Japan Korea GRACO INC P O BOX 1441 MINNEAPOLIS MN 55440 1441 www graco com 12 1958 Revised 6 2007 12 306642F
9. mp off inductor plate 3 Insert the release bar 15 into the neck of the plate and position it so that by applying leverage the vac uum seal which formed beneath the plate is broken 4 Remove the plate Troubleshooting Troubleshooting Pump doesn t operate Insufficient air supply Be sure adequate volume of air is supplied to pump See Technical Data on back cover Check for restriction in air line or closed valves or regulators Check valve plate held closed by Follow the Pressure Relief Procedure obstruction above Remove pump from inductor plate and clean pump intake Damaged air motor See motor manual 307049 supplied Air motor operates but lubricant flow Empty lubricant drum Change drums is low Insufficient air supply Increase air pressure Do not exceed 100 psi 7 MPa 7 bar Erratic pump operation Worn damaged or obstructed check Follow the Pressure Relief Proce valve plate dure page 5 Remove pump from inductor plate and clean and or repair intake Leakage from weep hole Worn or damage throat packings Replace v packings and glands See page 7 6 306642F Repair Lips of V Packing Must Face Lips of V Packings Must Face Down Fic 4 306642F Repair Throat Packing Repair FiG 4 V The throat packings are actually located in the 10 11 12 base of the air motor but function as the throat packings for the pump To identify part numbers and order repai
10. or and bleed type master air valve 3 Loosen a fluid fitting near the pump outlet to relieve fluid pressure Startup Reference numbers and letters in parentheses in the text refer to the callouts in the FIG 2 1 Turn on the main air supply 2 Open Air Valve E and slowly open the Air Regula tor B until the pump is running smoothly Always use the lowest pressure necessary to deliver lubri cant at the desired quantity CAUTION Do not let the pump run dry A dry pump quickly speeds up and may damage itself If the pump is run ning erratically or speeds up suddenly relieve pump pressure following Pressure Relief Procedure page 5 and change the lubricant drum Use an Air Runaway Valve D to shut off the pump automatically when the drum is empty 3 Shut off the pump and relieve pressure page 5 when the pump is not in use 306642F Operation Clearing Obstructions KEEP YOUR FINGERS AND HANDS AWAY FROM THE PRIMING PISTON The priming piston located at the pump intake could pinch or amputate your fin gers as it moves into the intake cylinder 1 Always relieve pressure page 5 before attempting to clear any obstructions 2 Disconnect Air Hose Grip 1 3 4 inch hex in the cen ter of the piston to unscrew it Removing Inductor Plate from Drum Reference numbers and letters in parentheses in the text refer to the callouts in FIG 3 FIG 3 1 Relieve pressure page 5 2 Lift pu
11. r parts refer to parts list page for air motor 208357 in instruction manual 307049 supplied e Reference numbers and letters in parentheses in the text refer to the callouts in FIG 4 and Parts List page 9 Relieve pressure page 5 Disconnect air hose and transfer hose Remove air inlet fittings Remove pump from inductor plate 20 Unscrew priming piston 13 from connecting tube A The priming piston has a 1 3 4 in hex in the center Remove nuts and lock washers 4 2 holding pump guides 12 and collars 17 Remove these parts Pull intake cylinder 19 straight down Remove screws P and air motor shield B Remove screws and washers holding air motor cyl inder C to base D Pull base straight off being careful not to damage smooth surfaces of connect ing tube and cylinder Inspect v packing E in base If it is worn or dam aged remove it Grease new packing and carefully tuck it into base Be sure washer F is in place in base Unscrew packing retainer G and remove the spring and packings Clean all parts thoroughly and inspect for wear or damage Replace all packings and glads and other parts as necessary Grease all parts thoroughly with light waterproof grease Repair 13 14 15 16 17 18 19 20 One at a time install a washer H bearing J female gland K four leather v packings L with lips of the v packings facing out of the base male gland M
12. rts See Technical Data in all equipment manuals Read fluid and solvent manufacturer s warnings For complete information about your material request MSDS forms from distributor or retailer Check equipment daily Repair or replace worn or damaged parts immediately with genuine manufacturer s replacement parts only Do not alter or modify equipment Use equipment only for its intended purpose Call your distributor for information Route hoses and cables away from traffic areas sharp edges moving parts and hot surfaces Do not kink or over bend hoses or use hoses to pull equipment Keep children and animals away from work area Comply with all applicable safety regulations ELECTRIC SHOCK HAZARD Improper grounding setup or usage of the system can cause electric shock Turn off and disconnect power at main switch before disconnecting any cables and before servicing equipment Connect only to grounded power source All electrical wiring must be done by a qualified electrician and comply with all local codes and regulations PRESSURIZED EQUIPMENT HAZARD Fluid from the gun dispense valve leaks or ruptured components can splash in the eyes or on skin and cause seri ous injury e Follow Pressure Relief Procedure in this manual when you stop spraying and before cleaning checking or servicing equipment e Tighten all fluid connections before operating the equipment e Check hoses tubes and couplings daily Replac
13. tion or maintenance of structures accessories equipment or mate rials 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 claim 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 Disclaimers and Limitations The terms of this warranty constitute purchaser s sole and exclusive remedy and are in lieu of any 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 the purchase price Any action for breach of warranty must be brought within two 2 years of the date of sale Equipment Not Covered by Graco Warranty Graco makes no warranty and disclaims all implied warranties of merchantability and fitness for a particular purpose with respect to accessori
14. ve metal pails Do not place the pail on a non conductive surface such as paper or cardboard which interrupts the grounding continu ity To maintain grounding continuity when flushing or relieving pressure always hold metal part of the dis penser firmly to the side of a grounded metal pail then squeeze trigger Installation Air and Transfer Lines FiG 2 The typical installation shown in FIG 2 is only provided as a guide for selecting and installing required and optional accessories Be sure all air and fluid accessories are properly sized for your system and are compatible with the fluid you are pumping Contact your Graco representative for assistance in designing a transfer system to suit your spe cific needs m Air inlet 3 4 npsm f swivel F 2 npt outlet ti0551a FIG 2 e 3 4 in ID Air Supply Line e 3 4 npt f Air Inlet Swivel e On the Air Supply Line install e Air Filter A to remove harmful dirt and mois ture from the compressed air supply e Air Regulator B to control pump speed e Air Runaway Valve C to stop the pump auto matically if the supply container is empty e Air Line Oiler D for automatic air motor lubri cation e Bleed type master air valve E required in your system to relieve air trapped between it and the air motor when the valve is closed Never operate this pump with the bleed type master air valve E supplied with the air motor removed When closed this
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