Graco 308549ZAD User's Manual
Contents
1. 36 Graco Information 36 Models Model No Description DB2 Polypropylene Pumps DC2 Polypropylene Pumps Remote DB5 PVDF Pumps DC5 PVDF Pumps Remote DT2 Polypropylene Plus Pumps DU2 Polypropylene Plus Pumps Remote DT5 PVDF Plus Pumps DU5 PVDF Plus Pumps Remote 24B758 PVDF Plus Pump with overmolded diaphragms 24B759 Polypropylene Plus Pump with overmolded diaphragms 24B760 Polypropylene Pump with overmolded diaphragms 24B761 Polypropylene Pump with overmolded diaphragms and sst seats See the Pump Matrix on page 26 to determine the Model No of your pump 308549 Symbols Warning Symbol Caution Symbol This symbol alerts you to the possibility of serious This symbol alerts you to the possibility of damage to injury or death if you do not follow the instructions or destruction of equipment if you do not follow the instructions WARNING EQUIPMENT MISUSE HAZARD Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury o RJ 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 not sure call Graco 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 of2. Referto Parts Drawings Connect air line to pump as in preceding steps 2 Connect 1 4 in O D tubing to push type connec tors 14 on air motor of pump NOTE by replacing the push type connectors other sizes or types of fittings may be used The new fittings will require 1 8 in npt threads 3 Connect remaining ends of tubes to external air signal such as Graco s Cycleflo P N 195264 or Cycleflo P N195265 controllers NOTE the air pressure at the connectors must be at least 30 of the air pressure to the air motor for the pump to operate Mountings CAUTION The pump exhaust air may contain contaminants Ventilate to a remote area if the contaminants could affect your fluid supply See Air Exhaust Ventilation on page 11 1 Be sure the mounting surface can support the weight of the pump hoses and accessories as well as the stress caused during operation 2 Forall mountings be sure the pump is bolted directly to the mounting surface 3 For ease of operation and service mount the pump so the air valve cover 2 air inlet and fluid inlet and outlet ports are easily accessible 8 308549 4 Rubber Foot Mounting Kit 236452 is available to reduce noise and vibration during operation Fluid Suction Line 1 The pump fluid inlet R is a 1 1 2 in raised face flange Refer to Flange Connections on page 9 2 Ifthe fluid inlet pressure to the pump is more than 25 of the outlet working pre
3. swallowed Do not lift a pump under pressure If dropped the fluid section may rupture Always fol low the Pressure Relief Procedure above before lifting the pump 12 308549 1 sure the pump is properly grounded Refer to Grounding on page 6 2 Check all fittings to be sure they are tight Be sure to use a compatible liquid thread sealant on all male threads Tighten the fluid inlet and outlet fittings securely 3 Place the suction tube if used in the fluid to be pumped NOTE If the fluid inlet pressure to the pump is more than 25 of the outlet working pressure the ball check valves will not close fast enough resulting in inefficient pump operation 4 Place the end of the fluid hose L into an appropri ate container 5 Close the fluid drain valve J See Fig 2 6 With the pump air regulator C closed open all bleed type master air valves B E 7 Ifthe fluid hose has a dispensing device hold it open while continuing with the following step 8 Slowly open the air regulator C until the pump starts to cycle Allow the pump to cycle slowly until all air is pushed out of the lines and the pump is primed If you are flushing run the pump long enough to thoroughly clean the pump and hoses Close the air regulator Remove the suction tube from the solvent and place it in the fluid to be pumped Operation Operation of Remote Piloted Pumps 1 Follow preceding steps 1 through 7 of Starti
4. use the 0 null digits for the seats and balls and order Repair Kit D 0 C 0 0 1 The digits in the matrix do not correspond to the ref nos in the parts drawing and lists on pages 30 and 31 Diaphragm Fluid Section Pump Material Diaphragms D for all pumps 0 for all pumps 0 null 0 null 0 null m i Part No 253627 Husky 1590 HD Overmolded PTFE EPDM Diaphragm Repair Kit 2 not used 2 acetal 2 not used 316 SST 3 not used 3 not used 4 17 4 PH SST 4 440C SST 4 not used 5 TPE 5 TPE 5 TPE 6 Santoprene 6 Santoprene 6 Santoprene 7 Buna N Buna N Buna N 7 7 fluoroelastom 8 fluoroelastom 8 fluoroelastom 8 e er r er 9 polypropylene A PVDF G Geolast G Geolast G Geolast Part No 289225 Husky 1590 HD Overmolded PTFE EPDM Diaphragm Repair Kit with new air side diaphragm plates Part No 24F397 Husky 1590 PTFE Santoprene Backer Diaphragm Repair Kit for plastic pumps 308549 27 Parts Air Motor Parts List Matrix Column 2 pq La been m kloe kee kb 1 1 C 188838 HOUSING center Same as B with the following exceptions aluminum 188854 COVER air valve aluminum 116344 SCREW mach hex flange hd M5 x 0 8 12 mm 0 47 in 188618 GASKET cover foam 188855 CARRIAGE aluminum 108730 O RING nitrile 195921 HOUSING center remote aluminum COVER air remote aluminum HOUSING center stainless
5. 308549 AN Torque to 80 to 90 in Ib 9 to 10 Nem See Torque Se quence page 32 2N Arrow A must point toward outlet manifold 103 AN Not used on some models 106 N zu 112 AN 04706B Fig 11 Diaphragm Repair Tools Required e Torque wrench e 13mm socket wrench e Adjustable wrench e 19 mm open end wrench e O ring pick e Lithium base grease Disassembly Service WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressure Relief Procedure on page 12 1 Relieve the pressure 2 Remove the manifolds and disassemble the ball check valves as explained on page 18 NOTE A Fluid Section Repair Kit is available Refer to page 27 to order the correct kit for your pump Parts 3 Using 13 mm socket wrenches remove the included in the kit are marked with an asterisk for screws 107 and 108 holding the fluid covers example 401 Use all the parts in the kit for the best 101 to the air covers 23 Pull the fluid covers results 101 off the pump See Fig 12 Fig 12 AN You must torque the eight long screws 108 first then the short screws 107 Torque to 190 to 220 in Ib 21 to 25 Nem See Torque Sequence page 32 Arrow A must point toward air valve B 04707B 308549 19 Service Reassembly Standard Diaphragms Unscrew one outer plate 105 from the diaphragm shaft 24 Remove one diaphragm 401 an
6. 5 23 in 1 75 in 44 5 mm 133 mm flange diameter 5 5 139 7 1 2 npt f air inlet 2m four 0 73 in 3 4 npt f 18 5 mm slots air exhaust C inlet port I D 1 75 in 44 5 mm zl four 0 73 in om 18 5 mm slots K mm 10 45 in 265 5 mm 7439B PUMP MOUNTING HOLE PATTERN dE Dimensions B C F G H and M can vary by up to 1 4 in 6 3 mm depending L on the seat and diaphragm material 12 fitted in the pump 308549 33 Dimensions Aluminum SST Center Center Aluminum Polypropylene SST Center polypropylene Center Cover PVDF Cover Cover PVDF Cover Dimension in mm in mm in mm in mm B 10 0 255 10 0 255 10 0 255 10 0 255 C 12 1 306 11 9 302 12 1 306 11 9 302 D 6 0 152 6 0 152 6 0 152 6 0 152 E 17 6 447 17 5 445 17 6 447 17 5 445 F 16 3 414 16 1 408 16 3 414 16 1 408 G 19 3 490 19 1 484 19 3 490 19 1 484 H 22 0 560 21 8 554 22 0 560 21 8 554 J 3 0 76 3 0 76 3 0 76 3 0 76 K 0 25 6 0 3 6 0 25 6 0 3 6 L 6 0 152 6 0 152 6 0 152 6 0 152 f oo 82 so 5 69 162 x M 7 ve 76 8 70 178 34 308549 Technical Data Maximum fluid working pressure 120 psi 0 84 MPa 8 4 bar Air pressure operating ran
7. 612 378 3505 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 Original instructions This manual contains English MM 308549 For patent information see www graco com patents Graco Headquarters Minneapolis International Offices Belgium China Japan Korea GRACO INC AND SUBSIDIARIES e P O BOX 1441 e MINNEAPOLIS MN 55440 1441 e USA Copyright 1994 Graco Inc All Graco manufacturing locations are registered to ISO 9001 www graco com Revision ZAD December 2013 36 308549
8. 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 Refer to Grounding on page 6 e Never use a polypropylene or PVDF pump with non conductive flammable fluids as specified by your local fire protection code Refer to Grounding on page 6 for additional information Consult your fluid supplier to determine the conductivity or resistivity of your fluid If there is any static sparking or you feel an electric shock while using this equipment stop pumping 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 or transferred Pipe and dispose of the exhaust air safely away from all sources of ignition If the diaphragm fails the fluid is exhausted along with the air See Air Exhaust Ventilation on page 11 Keep the work area free of debris including solvent rags and gasoline Electrically disconnect all equipment in the work area Extinguish all open flames or pilot lights in the work area Do not smoke in the work area Do not turn on or off any light switch in the work area while operating or if fumes are present Do not operate a gasoline engine in the work area 4 308549 Installation General Information AN The Typical Installatio
9. Loctite is a registered trademark of the Loctite Corporation Noise levels measured with the pump mounted on the floor using Rubber Foot Kit 236452 Sound power measured per ISO Standard 9216 Example of Finding Pump Air Consumption and Air Pressure at a Specific Fluid Delivery and Discharge Head To supply 60 gpm 227 liters fluid flow horizontal scale at 40 psi 0 28 MPa 2 8 bar discharge head pressure vertical scale re quires approximately 50 scfm 1 40 m3 min air consumption at 70 psi 0 49 MPa 4 9 bar inlet air pressure feet psi meters bar MPa 280 120 85 3 0 84 8 4 A Inlet Air Pressures 120 psi air 0 84 MPa 8 4 bar 22 100 E B 100 psi air 0 7 MPa 7 bar 73 2 07 70 B C 70psiair 0 49 MPa 4 9 bar a DS lt 200 D 40psi 0 28 WS 2 8 bar 61 0 80 gt I 0 56 5 6 N Air Consumption 20 scfm 0 56 m3 min O 160 48 8 F 40 scfm 1 12 m3 min 5 0 42 es G 60scim 1 68m3 min o 120 80 scfm 2 24 m3 min 36 6 D A0 D 80 0 28 2 8 x 24 4 20 40 0 14 1 4 12 2 N H 0 N N 0 0 15 30 60 75 90 105 120 57 114 170 227 284 341 397 454 FLUID FLOW GPM Ipm TEST CONDITIONS KEY FLUID PRESSURE AND FLOW Pump tested in water with PTFE diaphragm and inlet submerged SCFM AIR CONSUMPTION 308549 35 Graco Warranties Graco Standard Husky Pump Warranty Graco warrants all equip
10. hole H in the gasket 5 Apply medium strength blue Loctite or equiva lent to the threads of screws 25 Align the air cover 23 so the pilot pin 16 fits in the middle hole M of the three small holes near the center of the cover Install the screws 25 handtight See Fig 14 Using a 10 mm socket wrench torque the screws oppositely and evenly to 130 to 150 in Ib 15 to 17 Nem 6 Install the diaphragm assemblies and fluid covers as explained on page 19 7 Reassemble the ball check valves and manifolds as explained on page 18 308549 23 Service Insert bearings tapered end first Press fit bearings flush with surface of center housing 1 Pe Apply medium strength blue Loctite amp or equivalent Torque to 130 to 150 in Ib 15 to 17 Nem 075 0 15 ANA Detail of Air Valve Bearings 03277 03278B Fig 14 24 308549 Notes 308549 25 Pump Matrix Husky 1590 Polypropylene and PVDF Pumps Series A Your Model No is marked on the pump s serial plate To determine the Model No of your pump from the following matrix select the six digits which describe your pump working from left to right The first digit is always D designating Husky diaphragm pumps The remaining five digits define the materials of construction For example a pump with a Husky 1590 aluminum air motor polypropylene fluid section polypropylene seats PTFE balls and PTFE diaphragms is Model D B 2 9 1 1
11. page 12 Flush the pump often enough to prevent the fluid you are pumping from drying or freezing in the pump and damaging it 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 Always flush the pump and relieve the pressure before storing it for any length of time Tightening Threaded Connections Before each use check all hoses for wear or damage and replace as necessary Check to be sure all threaded connections are tight and leak free Check fasteners Tighten or retorque as necessary Although pump use varies a general guideline is to retorque fasteners every two months See Torque Sequence page 32 Preventive Maintenance Schedule Establish a preventive maintenance schedule based on the pump s service history This is especially impor tant for prevention of spills or leakage due to dia phragm failure 308549 13 Troubleshooting 1 Relieve the pressure before checking or servicing A WARNING the equipment To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressure Relief Procedure on page 12 2 Check all possible problems and causes before disassembling the pump PROBLEM CAUSE SOLUTION Pump cycles at stall or fails to hold Worn check valve balls 301 seats Replace See page 18 pres
12. pilot pins 16 out of the bearings 15 Remove the o rings 17 from the pilot pins See Fig 9 5 Inspect the valve plate 8m in place If damaged use a Torx T20 screwdriver or 7 mm 9 32 in Socket wrench to remove the three screws 3 Remove the valve plate 8 and on aluminum center housing models remove the seal See Fig 10 6 Inspect the bearings 12 15 in place See Fig 9 The bearings are tapered and if damaged must be removed from the outside This requires disas sembly of the fluid section See page 23 7 Clean all parts and inspect for wear or damage Replace as needed Reassemble as explained on page 17 16 308549 A Torque to 50 60 in Ib 5 6 6 8 N m Fig 7 04705B AN See Detail at right Grease AN Grease lower face SK ZS 04898 Fig 8 Service AN eda nas RE AN Install with lips facing A Grease narrow end of piston 11 Insert wide end first 146 ip gt 17te 15 16A 04899 Fig 9 Reassembly 1 If you removed the bearings 12 15 install new ones as explained on page 23 Reassemble the fluid section On aluminum center housing models install the valve plate seal 9T into the groove at the bottom of the valve cavity The rounded side of the seal must face down into the groove See Fig 10 Install the valve plate 8m in the cavity On alumi num center housing models the plate is reversible So either side can
13. the lowest rated component in your system This equipment has a 120 psi 0 84 MPa 8 4 bar maximum working pressure at 120 psi 0 84 MPa 8 4 bar maximum incoming air pressure Use fluids and solvents which are compatible with the equipment wetted parts Refer to the Technical 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 ex pose Graco hoses to temperatures above 82 C 180 F or below 40 C 40 Do not lift pressurized equipment Wear hearing protection when operating this equipment Comply with all applicable local state and national fire electrical and safety regulations 308549 3 A WARNING 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 Pipe and dispose of the exhaust air safely away from people animals and food handling areas If the diaphragm fails the fluid is exhausted along with the air See Air Exhaust Ventilation on page 11 FIRE
14. 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 six 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 hereu
15. 1 57 in sst Parts 189741 192073 192075 15K448 189744 112560 112368 114118 188621 102656 112559 COVER fluid PVDF MANIFOLD inlet PVDF MANIFOLD outlet PVDF PLATE air side aluminum PLATE fluid side PVDF SCREW M8 x 1 25 70 mm 2 76 in sst SCREW M10 x 1 50 60 mm 2 36 in sst SCREW M10 x 1 50 90 mm 3 54 in sst LABEL warning MUFFLER SCREW M8 x 1 25 40 mm 1 57 in sst 308549 29 Parts 4 3 11 10fm lt 2 oun vi Sh 5 103 AN Not used on some models These parts are included in the Pump Repair Kit which may be purchased separately Refer to the Repair Kit Matrix on page 27 to determine the correct kit for your pump These parts are included in Air Valve Repair Kit 236273 aluminum center housing mod Pd 09229 els which be purchased separately 112 m These parts are included in Air Valve Repair Kit 255061 stainless steel center housing models which may be purchased separately Replacement Danger and Warning labels tags and cards are available at no cost Z These parts are unique to remote piloted air motor DC y DT 30 308549 Parts Seat Parts List Matrix Column 4 189318 SEAT 316 stainless steel O RING PTFE 189319 SEAT 17 4 stainless steel O RING PTFE 189322 SEAT TPE Not Used 189320 SEAT Santoprene O RING PTFE 15B266 SEAT Buna N Not used 15B264
16. 3mm socket wrench Then torque the shorter screws 107 See Torque Sequence page 32 evenly to 190 220 in lb 21 25 Nem using a 13mm socket wrench Then torque the shorter screws 107 See Torque Sequence page 32 Reassemble the ball check valves and manifolds as explained on page 18 308549 21 Service A A s 03275 Cutaway View with Diaphragms in Place Cutaway View with Diaphragms Removed AN Lips face out of housing 1 A Air Side must face center housing 1 Grease A Used on Models with PTFE diaphragms only Apply medium strength blue Loctite or equivalent Torque to 20 to 25 ft lb 27 to 34 Nem at 100 rpm maximum 04709B Service Bearing and Air Gasket Removal Tools Required e Torque wrench e 10 socket wrench e Bearing puller e O ring pick Press or block and mallet Disassembly NOTE Do not remove undamaged bearings WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressure Relief Procedure on page 12 1 R
17. Fig 7 308549 17 Service Ball Check Valve Repair Tools Required e Torque wrench e 10mm socket wrench e O ring pick Disassembly NOTE A Fluid Section Repair Kit is available Refer to page 27 to order the correct kit for your pump Parts included in the kit are marked with an asterisk for example 201 Use all the parts in the kit for the best results NOTE To ensure proper seating of the balls 301 always replace the seats 201 when replacing the balls WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressure Relief Procedure on page 12 1 Relieve the pressure Disconnect all hoses 2 Remove the pump from its mounting 3 Using a 10 mm socket wrench remove the eight bolts 106 holding the outlet manifold 103 to the fluid covers 101 See Fig 11 4 Remove the seats 201 balls 301 and o rings 202 from the manifold NOTE Some models do not use o rings 202 5 Turn the pump over and remove the bolts 112 and inlet manifold 102 Remove the seats 201 balls 301 and o rings 202 from the fluid covers 101 Reassembly 1 Clean all parts and inspect for wear or damage Replace parts as needed 2 Reassemble in the reverse order following all notes in Fig 11 Be sure the ball checks are as sembled exactly as shown The arrows A on the fluid covers 101 must point toward the outlet manifold 103 18
18. Instructions Parts List GRACO POLYPROPYLENE AND PVDF Husky 1590 Air Operated Diaphragm Pumps EE 1 5 inch AODD pump for fluid transfer applications For professional use only Not approved to European explosive atmosphere requirements See Models on page 2 for a list of pump models and descriptions 120 psi 0 84 MPa 8 4 bar Maximum Fluid Working Pressure 120 psi 0 84 MPa 8 4 bar Maximum Air Input Pressure Important Safety Instructions Read all warnings and instructions in this manual Save these instructions 04700B C PROVEN QUALITY LEADING TECHNOLOGY Table of Contents ru ug de cult eu eege 2 Safety Warnings 3 Iristallatior eg one Eed 5 Operation Eed EE gated io 12 13 Troubleshooting 14 Service Repairing the Air Valve 16 Ball Check Valve Repair 18 Diaphragm Repair 19 Bearing and Air Gasket Removal 23 NOTE Plus Models include stainless steel center sections 2 Pump Matrix 26 Repair Kit Matrix 27 28 Torque Sequence 32 DIMENSIONS e ex ek oe ei a ich ek he Rais d 33 Technical Data and Performance Chart 35 Graco Standard Warranty
19. SEAT fluoroelastomer Not used 193417 SEAT polypropylene O RING PTFE 189732 SEAT PVDF O RING PTFE 194213 SEAT Geolast O RING PTFE Eee or BW 301 112419 BALL PTFE 4 301 112423 BALL acetal a 301 112420 BALL 440C stainless 4 steel sor rae mum FE scheet FE Diaphragm Parts List Matrix Column 6 1 2 401 not sold DIAPHRAGM backup separately polychloroprene CR 402 112181 PACKING u cup nitrile 403 15K312 DIAPHRAGM PTFE 5 401 189425 DIAPHRAGM uW 112181 PACKING u cup nitrile 401 189426 DIAPHRAGM Santo prene amp lues PACKING u cup nitrile 7 401 15B312 DIAPHRAGM Buna N eee PACKING u cup nitrile 401 158501 DIAPHRAGM fluoroelas tomer ke PACKING u cup nitrile G 401 194214 DIAPHRAGM Geolast PACKING u cup nitrile These parts are included in the pump repair kit purchased separately See Repair Kit Matrix on page 27 to determine the correct kit for your pump 308549 31 Torque Sequence Always follow torque sequence when instructed to torque fasteners 1 Left Right Fluid Covers 3 Outlet Manifold Torque bolts to 190 220 in Ib 21 25 Nem Torque bolts to 80 90 in lb 9 10 Nem all 6 OU ele SaN V TOP VIEW SIDE VIEW 2 Inlet Manifold Torque bolts to 80 90 in lb 9 10 Nem BOTTOM VIEW 32 308549 Dimensions FRONT VIEW SIDE VIEW outlet port 1 0
20. To order replacement parts refer to the part lists on pages 30 and 31 The digits in the matrix do not correspond to the ref nos in the parts drawing and lists Diaphragm Pump Air Motor Fluid Section D for all pumps B Aluminum 1 not used standard 24B758 C Aluminum 2 polypropylene remote 24B759 T SST standard 3 Aluminum see manual 308441 24B760 U SST remote 4 SST see manual 308441 24B761 5 PVDF 248832 246451 Stainless Steel Air Motor Conversion Kit Use kit 246451 and refer to instruction manual 309643 included with kit to convert from aluminum air motor to stainless steel air motor 24B758 PVDF Plus Pump This pump is the same as Model DT5A11 except for the serial plate and parts listed in the chart at right 24B759 Polypropylene Plus Pump This pump is the same as Model DT2911 except for the serial plate and parts listed in the chart at right 24B760 Polypropylene Pump This pump is the same as Model DB2911 except for the serial plate and parts listed in the chart at right 26 308549 _ Santoprene Santoprene Santoprene Seats Balls Diaphragms 1 not used 1 PTFE 1 PTFE 2 not used 2 acetal 2 not used 3 316 SST 3 not used 3 not used 4 17 4 PH SST 4 440C SST 4 not used 5 TPE 5 5 d 7 Buna N 7 Buna N 8 fluoroelastom 8 fluoroelastom
21. anifold Screws Top 112 Fluid Inlet Manifold Screws Bottom A Torque to 80 to 90 in Ib 9 to 10 Nem See Torque Sequence page 32 R 5 1 1 2 Fluid Outlet Flange Fig 4 10 308549 Fluid Pressure Relief Valve CAUTION Some systems may require installation of a pres sure relief valve at the pump outlet to prevent overpressurization and rupture of the pump or hose See Fig 5 Thermal expansion of fluid in the outlet line can cause overpressurization This can occur when using long fluid lines exposed to sunlight or ambi ent heat or when pumping from a cool to a warm area for example from an underground tank Overpressurization can also occur if the Husky pump is being used to feed fluid to a piston pump and the intake valve of the piston pump does not close causing fluid to back up in the outlet line KEY 1 1 2 fluid inlet flange S 1 1 2 fluid outlet flange V Pressure relief valve Part No 112119 stainless steel AN Install valve between fluid inlet and outlet ports A Connect fluid inlet line here A Connect fluid outlet line here 04702B Fig 5 Installation The air exhaust port is 3 4 npt f Do not restrict the air exhaust port Excessive exhaust restriction can cause erratic pump operation Air Exhaust Ventilation WARNING amp 4 FIRE AND EXPLOSION HAZARD Be
22. aphragm ruptures KEY Air supply line Bleed type master air valve required for pump Air regulator Air line quick disconnect Master air valve for accessories Air line filter Muffler Electrically conductive air exhaust hose Container for remote air exhaust gt CHummuoo Fig 6 04704 308549 11 Operation Pressure Relief Procedure WARNING PRESSURIZED EQUIPMENT HAZARD The equipment stays pressurized until pressure is manually relieved To reduce the risk of serious injury from pressurized fluid accidental spray from the gun or splashing fluid follow this procedure whenever you e Are instructed to relieve pressure Stop pumping Check clean or service any system equipment Install or clean fluid nozzles 1 Shut off the air to the pump 2 Open the dispensing valve if used 3 Open the fluid drain valve to relieve all fluid pres sure having a container ready to catch the drain age Flush the Pump Before First Use The pump was tested with lightweight oil which is left in the fluid passages to protect parts To avoid contam inating your fluid with oil flush the pump with a com patible solvent before using the equipment Follow the steps under Starting and Adjusting the Pump Starting and Adjusting the Pump WARNING 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
23. d the inner plate 104 See Fig 13 For overmolded diaphragms Grip both dia phragms securely around the outer edge and rotate counterclockwise One diaphragm assembly will come free and the other will remain attached to the shaft Remove the freed diaphragm and air side plate NOTE PTFE models include a PTFE diaphragm 403 in addition to the backup diaphragm 401 5 20 Pull the other diaphragm assembly and the dia phragm shaft 24 out of the center housing 1 Hold the shaft flats with a 19 mm open end wrench and remove the outer plate 105 from the shaft Disassemble the remaining diaphragm assembly For overmolded diaphragms Pull the other dia phragm assembly and the diaphragm shaft 24 out of the center housing 1 Hold the shaft flats with a 19 mm open end wrench and remove the diaphragm and air side plate from the shaft Inspect the diaphragm shaft 24 for wear or scratches If it is damaged inspect the bearings 19 in place If the bearings are damaged refer to page 23 Reach into the center housing 1 with an o ring pick and hook the u cup packings 402 then pull them out of the housing This can be done with the bearings 19 in place Clean all parts and inspect for wear or damage Replace parts as needed 308549 1 Grease the shaft u cup packings 402 and install them so the lips face out of the housing 1 See Fig 13 Grease the length and ends of the diaphragm shaft 24 a
24. ecommends a conductivity greater than 50 x 10 12 Siemans me ter mhos meter over your operating temperature range to reduce the hazard of fire Consult your fluid supplier to determine the conductivity or resistivity of your fluid The resistivity must be less than 2 x 1012 ohm centimeters e Fluid supply container Follow your local code To reduce the risk of static sparking ground the pump and all other equipment used or located in the pumping area Check your local electrical code for detailed rounding instructions for your area and type of equip SC Fig 1 6 308549 Installation Air Line WARNING A bleed type master air valve B is required in your system to relieve air trapped between this valve and the pump Trapped air can cause the pump to cycle unexpectedly which could result in serious injury including splashing in the eyes or on the skin injury from moving parts or contamination from hazardous fluids See Fig 2 Install the air line accessories as shown in Fig 2 Mount these accessories on the wall or ona bracket Be sure the air line supplying the acces sories is electrically conductive a Install an air regulator C and gauge to control the fluid pressure The fluid outlet pressure will be the same as the setting of the air regulator Floor Mount Typical Installation KEY FOR FIG 2 A B Oomzrxcrgomnmoo Electrically conductive air supply hose Bleed type master a
25. elieve the pressure 2 Remove the manifolds and disassemble the ball check valves as explained on page 18 3 Remove the fluid covers and diaphragm assem blies as explained on page 19 NOTE If you are removing only the diaphragm shaft bearing 19 skip step 4 4 Disassemble the air valve as explained on page 16 5 Using a 10 mm socket wrench remove the screws 25 holding the air covers 23 to the center housing 1 See Fig 14 6 Remove the air cover gaskets 22 Always replace the gaskets with new ones 7 Usea bearing puller to remove the diaphragm shaft bearings 19 air valve bearings 12 or pilot pin bearings 15 Do not remove undamaged bearings 8 If you removed the diaphragm shaft bearings 19 reach into the center housing 1 with an o ring pick and hook the u cup packings 402 then pull them out of the housing Inspect the packings See Fig 13 Reassembly 1 If removed install the shaft u cup packings 402 so the lips face out of the housing 1 2 The bearings 19 12 and 15 are tapered and can only be installed one way Insert the bearings into the center housing 1 tapered end first Using a press or a block and rubber mallet press fit the bearing so it is flush with the surface of the center housing 3 Reassemble the air valve as explained on page 17 4 Align the new air cover gasket 22 so the pilot pin 16 protruding from the center housing 1 fits through the proper
26. er er 9 polypropylene A PVDF Geolast Geolast Geolast 8 24B761 Polypropylene Pump This pump is the same DB2311 except for the serial plate and parts listed in the chart below 24B832 PVDF Pump This pump is the same as Model DB5A11 except for the serial plate and parts listed in the chart below We Description Jo PLATE air side alum not used DIAPHRAGM HD overmolded PTFE EPDM 104 15H810 105 EE 401 15G745 Repair Kit Matrix For Husky 1590 Polypropylene and PVDF Pumps Series A Repair Kits may be ordered separately To repair the air valve order Part No 236273 for aluminum center housing models or Part No 255061 for stainless steel center housing models see page 30 Parts included in the Air Valve Repair Kit are marked with a symbol in the parts list for example 4Tm To repair your pump select the six digits which describe your pump from the following matrix working from left to right The first digit is always D the second digit is always 0 zero and the third is always C The remaining three digits define the materials of construction Parts included in the kit are marked with an asterisk in the parts list for example 201 For example if your pump has polypropylene seats PTFE balls and PTFE diaphragms order Repair Kit D 0 C 9 1 1 If you only need to repair certain parts for example the diaphragms
27. ews but does not let it contact the pilot pin To reduce the risk of serious injury including amputation do not put your fingers or hand be tween the air cover and the diaphragm 1 Lubricate and install the shaft u cup packings 402 so the lips face out of the housing 1 See Fig 13 NOTE Do not deform the diaphragm manually The diaphragm needs uniform pressure to deform properly 2 Assemble the air side plate 104 onto the dia for maximum life phragm 403 The wide radiused side of the plate must face the diaphragm Apply medium strength blue Loctite or equivalent to the threads of the diaphragm assembly Screw the assembly into the shaft 24 hand tight 7 Align the fluid cover 101 and the center housing 1 so the arrow A faces the same direction as the air valve Secure the cover with two of the longer screws 108 handtight NOTE If the diaphragm contacts the pilot pin and is forced away from the air cover try Step 5 again If necessary return to Step 3 3 Grease the length and ends of the diaphragm shaft 24 Insert the shaft diaphragm assembly into one side of the pump Align the fluid cover 101 and the center housing 1 so the arrow A faces the same direction as the air valve Secure the cover 8 Torque the longer screws 108 oppositely and with the screws 107 and 108 handtight Torque the longer screws 108 oppositely and evenly to 190 220 in lb 21 25 Nem using a 1
28. face up Install the three screws 8 using a Torx T20 screwdriver or 7 mm 9 32 in socket wrench Tighten until the screws bottom out on the housing See Fig 10 Install an o ring 1719 on each pilot pin 16 Grease the pins and o rings Insert the pins into the bearings 15 narrow end first See Fig 9 Install a u cup packing 10 on each actuator piston 11 so the lips of the packings face the narrow end of the pistons See Fig 9 AN Rounded side must face down aluminum 10 center housing models only Tighten screws until they bottom out on the housing 03271 Lubricate the u cup packings 10T and actuator pistons 11 Insert the actuator pistons in the bearings 12 wide end first Leave the narrow end of the pistons exposed See Fig 9 Grease the lower face of the pilot block 181 and install so its tabs snap into the grooves on the ends of the pilot pins 16 See Fig 8 Grease the o ring 6T and install it in the valve block 719 Push the block onto the valve carriage b Grease the lower face of the valve block See Fig 8 Install the valve carriage 5 so its tabs slip into the grooves on the narrow end of the actuator pistons 11 See Fig 8 Align the valve gasket 4T and cover 2 with the six holes in the center housing 1 Secure with six screws 3 using a Torx T20 screwdriver or 7 mm 9 32 in socket wrench Torque to 50 60 in Ib b 6 6 8 Nem See
29. g 3 Align the holes in the gasket B and the pipe flange A with the holes in the pump outlet flange S Lubricate the threads of the four bolts Install the bolts through the holes and secure with the wash ers E lockwashers D and nuts F Hold the nuts with a wrench Refer to the tighten ing sequence in Fig 3 and torque the bolts to 10 to 15 ft lb 14 to 20 Nem Do not over torque Repeat for the pump inlet flange R BOLT TIGHTENING SEQUENCE AN 04405 KEY FOR FIG 3 Flanged plastic pipe PTFE gasket Bolt Lockwasher Flat washer Nut 1 1 2 fluid inlet flange 1 1 2 fluid outlet flange gt gt Lubricate threads Torque to 10 to 15 ft lb 14 20 N m Do not over torque 04703B 308549 9 Installation Changing the Orientation of the Fluid Inlet and Outlet Ports The pump is shipped with the fluid inlet R and outlet S ports facing the same direction See Fig 4 To change the orientation of the inlet and or outlet port 1 Remove the screws 106 and 112 holding the inlet 102 and or outlet 103 manifold to the covers 101 2 Reverse the manifold and reattach Install the screws and torque to 80 to 90 in Ib 9 to 10 Nem See Torque Sequence page 32 KEY N 1 2 npt f Air Inlet Port 101 Fluid Covers P Muffler Air Exhaust Port 102 Fluid Inlet Manifold is 3 4 npt f 103 Fluid Outlet Manifold 1 1 2 Fluid Inlet Flange 106 Fluid Outlet M
30. ge 20 to 120 psi 1 4 to 8 4 bar 0 14 to 0 84 MPa Maximum air consumption 125 scfm Air consumption at 70 psi 60 gom 50 scfm see chart Maximum free flow delivery 100 gpm 378 5 l min Maximum pump speed 200 cpm Gallons liters per cycle 0 5 1 9 Maximum suction lift 18 ft 5 48 m wet or dry Maximum size pumpable solids 3 16 in 4 8 mm Maximum noise level at 100 psi 50 cpm 94 dBa Sound power level 108 dBa Noise level at 70 psi 50 cycles min 72 dBa Maximum operating temperature 150 F 65 5 C Airinlet sIZe orsi EN enee 1 2 npt f Fluid inlet size 1 1 2 in raised face flange Fluid outlet size 1 1 2 in raised face flange Wetted parts Vary by model See pages 28 to 31 Non wetted external parts aluminum 302 and 316 stainless steel polyester labels Weight e riere laaa ire EEG Polypropylene Pumps eds feet is with aluminum center section 35 Ib 16 kg TEM PVDF Pumps dope bii eet with aluminum center section 49 Ib 22 kg WERE an end rises AEN Polypropylene Plus Pumps LEE with stainless steel center section 49 Ib 23 kg ER v ias ipsius PVDF Pumps with stainless steel center section 63 Ib 30 kg Geolast and Santoprene are registered trademarks of the Monsanto Co
31. ir valve required for pump Air regulator Air line quick disconnect Master air valve for accessories Air line filter Fluid suction hose Fluid supply Fluid drain valve required Fluid shutoff valve Fluid hose 1 2 npt f air inlet port 1 1 2 fluid inlet flange 1 1 2 fluid outlet flange Ground wire required see page 6 for installation instructions Fig 2 b Locate one bleed type master air valve B close to the pump and use it to relieve trapped air See the WARNING at left Locate the other master air valve E upstream from all air line accessories and use it to isolate them during cleaning and repair c The air line filter F removes harmful dirt and moisture from the compressed air supply Install an electrically conductive flexible air hose A between the accessories and the 1 2 npt f pump air inlet N See Fig 2 Use a minimum 1 2 13 mm ID air hose Screw an air line quick disconnect coupler D onto the end of the air hose A be sure the coupler porting is large enough to not restrict the air flow which will affect pump performance Screw the mating fitting into the pump air inlet snugly Do not connect the coupler D to the fitting until you are ready to operate the pump B 04701B 308549 7 Installation Installation of Remote Pilot Air Lines 1
32. ment 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 five years 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 parts The equipment will be returned to the original purchaser
33. n shown in Fig 2 is only a guide for selecting and installing system compo nents Contact your Graco distributor or Graco Technical Assistance see back page for assis tance in planning a system to suit your needs Always use Genuine Graco Parts and Accessories Be sure all accessories are adequately sized and pressure rated to meet the system s requirements Reference numbers and letters in parentheses refer to the callouts in the figures and the parts lists on pages 30 to 31 Variations in color between the plastic components of this pump are normal Color variation does not affect the performance of the pump WARNING 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 1 2 Read TOXIC FLUID HAZARD on page 4 Use fluids and solvents which are compatible with the equipment wetted parts Refer to the Technical Data section of all equipment manu als Read the fluid and solvent manufacturer s warnings Tighten Screws Before First Use Before using the pump for the first time check and retorque all external fasteners See Torque Se quence page 32 After the first day of operation retorque the fasteners Although pump use varies a general guideline is to retorque fasteners every two months 308549 5 Installation Grounding Ground all of this equipment e Pump Connect a ground wire and clamp a
34. nd slide it through the housing 1 Assemble the inner diaphragm plates 104 dia phragms 401 PTFE diaphragms 403 if pres ent and outer diaphragm plates 105 exactly as shown in Fig 13 These parts must be assembled correctly Apply medium strength blue Loctite amp or equiva lent to the threads of the fluid side plates 105 Hold one of the outer plates 105 with a wrench and torque the other outer plate to 20 to 25 ft Ib 27 to 34 Nem at 100 rpm maximum Do not over torque Align the fluid covers 101 and the center housing 1 so the arrows A on the covers face the same direction as the air valve B Secure the covers with the screws 107 and 108 handtight Install the longer screws 108 in the top and bottom holes of the covers See Fig 12 First torque the longer screws 108 oppositely and evenly to 190 220 in Ib 21 25 Nem using a 13 mm socket wrench Then torque the shorter screws 107 See Torque Sequence page 32 Reassemble the ball check valves and manifolds as explained on page 18 Assemble the other diaphragm assembly to the shaft as explained in step 2 This diaphragm will be lifted off the air cover at this point Reassembly Overmolded Diaphragms 5 WARNING 6 Supply the pump with low pressure air less than 7 psi 0 05 MPa 0 5 bar The diaphragm will very slowly pull onto the air cover Find the pressure that keeps the diaphragm close enough to secure with the scr
35. nder 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 Extended Product Warranty Graco warrants all Husky 205 307 515 716 1040 1590 2150 and 3275 air valve center sections to be free from defects in material and workmanship for a period of fifteen years from date installed in service by the original purchaser Normal wear of items such as packings or seals are not considered to be defects in material and workmanship Five years Graco will provide parts and labor Six to Fifteen years Graco will replace defective parts only Graco Information For the latest information about Graco products visit www graco com TO PLACE AN ORDER contact your Graco distributor or call to identify the distributor closest to you Phone 612 623 6921 or Toll Free 1 800 328 0211 Fax
36. ng and Adjusting Pump 2 Open air regulator C WARNING The pump may cycle once before the external sig nal is applied Injury is possible If pump cycles wait until end before proceeding 3 Pump will operate when air pressure is alternately applied and relieved to push type connectors 14 NOTE Leaving air pressure applied to the air motor for extended periods when the pump is not running may shorten the diaphragm life Using a 3 way solenoid valve to automatically relieve the pressure on the air motor when the metering cycle is complete prevents this from occurring Pump Shutdown WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressure Relief Procedure at left At the end of the work shift relieve the pressure Maintenance Lubrication The air valve is designed to operate unlubricated However if lubrication is desired every 500 hours of operation or monthly remove the hose from the pump air inlet and add two drops of machine oil to the air inlet CAUTION Do not over lubricate the pump Oil is exhausted through the muffler which could contaminate your fluid supply or other equipment Excessive lubrica tion can also cause the pump to malfunction Flushing and Storage WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressure Relief Procedure on
37. pages 23 to 24 Pump leaks fluid externally from ball Loose manifolds 102 103 dam Tighten manifold bolts 106 and check valves aged seal between manifold and 112 or replace seats 201 or o seat 201 damaged o rings 202 rings 202 See page 18 308549 15 Service Repairing the Air Valve Tools Required e Torque wrench Torx T20 screwdriver or 7 mm 9 32 in socket wrench Needle nose pliers O ring pick Lithium base grease NOTE Air Valve Repair Kits 236273 aluminum center housing models and 255061 SST center housing models are available Refer to page 30 Parts included in the kit are marked with a symbol for example 41 Use all the parts in the kit for the best results Disassembly WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressure Relief Procedure on page 12 1 Relieve the pressure 2 With a Torx T20 screwdriver or 7 mm 9 32 in Socket wrench remove the six screws 3 air valve cover 2 and gasket 4Tm See Fig 7 3 Move the valve carriage 5tm to the center posi tion and pull it out of the cavity Remove the valve block 719 and o ring 6Tmw from the carriage Using a needle nose pliers pull the pilot block 18 straight up and out of the cavity See Fig 8 4 Pullthe two actuator pistons 11 out of the bear ings 12 Remove the u cup packings 10T from the pistons Pull the
38. s shown in Fig 1 Loosen the grounding screw W Insert one end of a 12 ga 1 5 mm2 minimum ground wire Y behind the grounding screw and tighten the A WARNING screw securely Connect the clamp end of the ground wire to a true earth ground Order Part FIRE AND EXPLOSION HAZARD No 237569 Ground Wire and Clamp This pump must be grounded Before 3 NOTE When pumping conductive flammable fluids operating the pump ground the system as explained below Also read the sec with a polypropylene or a PVDF pump always ground tion FIRE AND EXPLOSION HAZARD the entire fluid system See the WARNING on page 6 on page 4 e Airand fluid hoses Use only electrically conductive Polypropylene and PVDF are not conductive re hoses Attaching the ground wire to the grounding lug grounds only the air motor When pumping conduc tive flammable fluids always ground the entire fluid system by making sure the fluid has an electri cal path to a true earth ground See Fig 1 e Air compressor Follow the manufacturer s recom mendations e All solvent pails used when flushing Follow your local code Use only metal pails which are conduc tive Do not place the pail on a non conductive surface such as paper or cardboard which inter rupts the grounding continuity Never use a polypropylene or a PVDF pump with non conductive flammable fluids as specified by your local fire protection code US Code NFPA 77 Static Electricity r
39. ssure the ball check valves will not close fast enough resulting in inefficient pump operation 3 Atinlet fluid pressures greater than 15 psi 0 1 MPa 1 bar diaphragm life will be shortened 4 Seethe Technical Data on page 35 for maximum suction lift wet and dry Fluid Outlet Line WARNING A fluid drain valve J is required to relieve pres sure in the hose if it is plugged The drain valve reduces the risk of serious injury including splash ing in the eyes or on the skin or contamination from hazardous fluids when relieving pressure Install the valve close to the pump fluid outlet See Fig 2 1 The pump fluid outlet S is a 1 1 2 in raised face flange Refer to Flange Connections on page 9 2 Install a fluid drain valve J near the fluid outlet See the WARNING above 3 Install a shutoff valve K in the fluid outlet line Installation 1 Flange Connections The fluid inlet and outlet ports are 1 1 2 in raised face standard 150 Ib class pipe flanges Connect 1 1 2 in flanged plastic pipe to the pump as follows You will need e Torque wrench e Adjustable wrench a 5 in diameter 1 8 in thick PTFE gasket with four 0 63 in diameter holes on a 3 88 in diameter bolt circle and a 1 75 in diameter center four 1 2 in x 3 in bolts four 1 2 in spring lockwashers eight 1 2 in flat washers four 1 2 in nuts Fig 3 Place a flat washer E on each bolt C Refer to Fi
40. steel COVER air valve stainless steel 188616 BLOCK air valve acetal 188615 PLATE air valve sst HS 188617 SEAL valve plate buna N 9 a 112181 PACKING u cup nitrile 23 15A739 Se air stainless 188612 PISTON actuator acetal 25 188613 BEARING piston acetal 112178 SCREW M8 x 1 25 25 MM 1 in stainless steel 104765 PLUG pipe headless 115671 FITTING connector male 188611 BEARING pin acetal HOUSING center remote stainless steel COVER air valve stainless steel 9 23 15B795 COVER air remote stainless steel 25 112178 SCREW MB x 1 25 25 MM 1 in stainless steel 188610 PIN pilot stainless steel 157628 O RING buna N 188614 BLOCK pilot acetal 188609 BEARING shaft acetal 116343 SCREW grounding 188603 GASKET air cover foam 189400 COVER air aluminum 189245 SHAFT diaphragm sst 115643 SCREW M8 x 1 25 25 mm 1 in aluminum 28 308549 Fluid Section Parts List Matrix Column 3 189739 192072 192074 15K448 189742 112560 112368 114118 188621 102656 112559 COVER fluid polypropylene MANIFOLD inlet polypropylene MANIFOLD outlet polypropylene PLATE air side alum PLATE fluid side polypropylene SCREW M8 x 1 25 70 mm 2 76 in sst SCREW M10 x 1 50 60 mm 2 36 in sst SCREW M10 x 1 50 90 mm 3 54 in sst LABEL warning MUFFLER SCREW MB x 1 25 40 mm
41. sure at stall 201 or o rings 202 Pump will not cycle or cycles once Air valve is stuck or dirty Disassemble and clean air valve and stops See pages 16 to 17 Use filtered air Check valve ball 301 severely Replace ball and seat See page worn and wedged in seat 201 or 18 manifold 102 or 103 Check valve ball 301 is wedged Install Pressure Relief Valve into seat 201 due to overpressur see page 10 ization Loose inlet manifold 102 dam Tighten manifold bolts 112 or re aged seal between manifold and place seats 201 or o rings 202 seat 201 damaged o rings 202 See page 18 Loose fluid side diaphragm plate Tighten or replace See pages 105 19 to 22 14 308549 Troubleshooting PROBLEM CAUSE SOLUTION Fluid in exhaust air Diaphragm ruptured Replace See pages 19 to 22 Loose fluid side diaphragm plate Tighten or replace See pages 105 19 to 22 Pump exhausts excessive air at Worn air valve block 7Tm o ring Inspect replace See pages stall 6Tm 16 to 17 plate 8m pilot block 18 u cups 10 or pilot pin o rings 17 Worn shaft seals 402 Replace See pages 19 to 22 Pump leaks air externally Air valve cover 2 or air valve cover Tighten screws See page 17 screws 3 are loose Air valve gasket 4Tm or air cover Inspect replace See pages 16 gasket 22 is damaged to 17 and 23 to 24 Air cover screws 25 are loose Tighten screws See
42. sure to read and follow the warnings and precautions regarding TOXIC FLUID HAZARD and FIRE OR EXPLO SION HAZARD on page 4 before op erating this pump Be sure the system is properly ventilated for your type of installation You must vent the exhaust to a safe place away from people animals food handl ing areas and all sources of ignition when pumping flammable or hazardous fluids Diaphragm failure will cause the fluid being pumped to exhaust with the air Place an appropri ate container at the end of the air exhaust line to catch the fluid See Fig 6 Venting Exhaust Air If the muffler P is installed directly to the air exhaust port apply PTFE thread tape or anti seize thread lubricant to the muffler threads before assembly To provide a remote exhaust 1 Remove the muffler P from the pump air exhaust port Install an electrically conductive air exhaust hose T and connect the muffler P to the other end of the hose The minimum size for the air exhaust hose is 3 4 in 19 mm ID If a hose longer than 15 ft 4 57 m is required use a larger diameter hose Avoid sharp bends or kinks in the hose See Fig 6 Place a container U at the end of the air exhaust line to catch fluid in case a di
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