Graco 308441ZAE User's Manual
Contents
1. Muffler not included on Model No 253485 03265B Fig 2 308441 7 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 3 To change the orientation of the inlet and or outlet port 1 Remove the screws 106 holding the inlet 102 and or outlet 103 manifold to the covers 101 2 Reverse the manifold and reattach Install the Screws and torque according to the torque notes in Fig 3 KEY N 1 2npt f air inlet port P Muffler Air exhaust port is 3 4 npt f Not included on Model No 253485 R 1 5 npt f fluid inlet port S 1 5npt f fluid outlet port 101 Covers 102 Fluid inlet manifold 103Fluid outlet manifold 106 Manifold and cover screws 112 Bottom cover screws A Apply medium strength blue Loctite or equivalent to the threads Torque to 120 150 in Ib 14 17 Nem See Torque Sequence page 28 2 Apply medium strength blue Loctite or equivalent to the threads Torque to 190 220 in Ib 22 25 Nem See Torque Sequence page 28 103 ta eg 106A 03263B Aluminum Model Shown Fig 3 8 308441 Fluid Pressure Relief Valve A CAUTION Some systems may require installation of a pres sure relief valve at the pump outlet to prevent over2. F G 60 scfm 1 68 m3 min H 80 scfm 2 24 m3 min NG 0 TEST CONDITIONS Pump tested in water with PTFE diaphragm and inlet submerged 15 30 45 60 A N 105 120 57 114 170 227 284 341 397 454 FLUID FLOW GPM Ipm KEY FLUID PRESSURE AND FLOW gt SCFM AIR CONSUMPTION 308441 33 Graco Warranties Graco Standard Husky Pump 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 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 d
3. due to overpressur see page 8 ization Loose inlet manifold 102 dam Tighten manifold bolts 106 or re aged seal between manifold and place seats 201 or o rings 202 seat 201 damaged o rings 202 See page 16 Loose diaphragm shaft bolt 107 Tighten or replace See pages 17 19 Damaged o ring 108 Replace See pages 17 19 12 308441 Troubleshooting PROBLEM CAUSE SOLUTION Fluid in exhaust air Diaphragm ruptured Replace See pages 17 19 Loose diaphragm shaft bolt 107 Tighten or replace See pages 17 19 Damaged o ring 108 Replace See pages 17 19 Pump exhausts excessive air at Worn air valve block 7 o ring 6 Repair or replace See pages stall plate 8 pilot block 18 u cups 14 15 10 or pilot pin o rings 17 Worn shaft seals 402 Replace See pages 17 19 Pump leaks air externally Air valve cover 2 or air valve cover Tighten screws See page 15 screws 3 are loose Air valve gasket 4 or air cover Inspect replace See pages 14 15 gasket 22 is damaged 20 21 Air cover screws 25 are loose Tighten screws See pages 20 21 Pump leaks fluid externally from ball Loose manifolds 102 103 dam Tighten manifold bolts 106 or re check valves aged seal between manifold and place seats 201 or o rings 202 seat 201 damaged o rings 202 See page 16 308441 13 Service Repairing the Air Valve Tools Required e Torque wrench To
4. e O ring pick Beveled seating surface must face ball 301 Disassembly NOTE A Fluid Section Repair Kit is available Refer to A N 106 page 23 to order the correct kit for your pump Parts E 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 Also on some models replace the o rings 202 A WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressure Relief Procedure on page 10 1 Relieve the pressure Disconnect all hoses 2 Remove the pump from its mounting 3 Using a 13 mm socket wrench remove the four bolts 106 holding the outlet manifold 103 to the fluid covers 101 See Fig 10 4 Remove the o rings 202 not used on some models seats 201 and balls 301 from the manifold 5 Turn the pump over and remove the inlet manifold 102 Remove the o rings 202 not used on some models seats 201 and balls 301 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 10 Be sure the ball checks are assembled exactly as shown The arrows A on the fluid covers 101 must point toward the outlet Fig 10 manifold 103 03272B 16 308
5. and remove the o ring 108 fluid side diaphragm plate 105 PTFE diaphragm 403 used on PTFE models only diaphragm 401 and air side dia phragm plate 104 See Fig 12 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 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 bolt 107 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 20 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 Reassembly 1 18 Install the shaft u cup packings 402 so the lips face out of the housing 1 Lubricate the pack ings See Fig 12 Install
6. faces diaphragm 401 A Muffler not included on Model No 253485 03276C Fig 12 308441 19 Service Bearing and Air Gasket Removal Tools Required e Torque wrench e 10mm socket wrench e Bearing puller e O ring pick Press or block and mallet Disassembly NOTE Do not remove undamaged bearings A WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressure Relief Procedure on page 10 1 Relieve the pressure 2 Remove the manifolds and disassemble the ball check valves as explained on page 16 3 Remove the fluid covers and diaphragm assem blies as explained on page 17 NOTE If you are removing only the diaphragm shaft bearing 19 skip step 4 4 Disassemble the air valve as explained on page 14 5 Using a 10 mm socket wrench remove the screws 25 holding the air covers 23 to the center housing 1 See Fig 13 6 Remove the air cover gaskets 22 Always replace the gaskets with new ones 20 308441 7 Use a 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 12 Reassembly 1 If removed install the shaft u cup packing
7. for accessories Air line filter Muffler not included on Model No 253485 D gt ummoo Grounded air exhaust hose C Container for remote air exhaust Fig 5 03267A 308441 9 Operation Pressure Relief Procedure A 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 A WARNING TOXIC FLUID HAZARD e To reduce the risk of serious injury AN splashing in the ey
8. 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 5 The air exhaust port is 3 4 npt f Do not restrict the air exhaust port Excessive exhaust restriction can cause erratic pump operation 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 2 Install a grounded air exhaust hose T and con nect 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 5 3 Place a container U at the end of the air exhaust line to catch fluid in case a diaphragm ruptures VENTING EXHAUST AIR KEY Air supply line Bleed type master air valve required for pump Air regulator Air line quick disconnect Master air valve
9. 3279C 24 308441 Parts Air Motor Parts List Matrix Column 2 188838 HOUSING center E La ome m klo kee Jon 1 1 C 188854 116344 188618 188855 108730 188616 188615 188617 112181 188612 188613 104765 115671 188611 188610 157628 188614 188609 116343 188603 189400 189245 115643 aluminum COVER air valve aluminum SCREW mach hex flange hd M5 x 0 8 12 mm 0 47 in GASKET cover foam CARRIAGE aluminum O RING nitrile BLOCK air valve acetal PLATE air valve sst SEAL valve plate buna N PACKING u cup nitrile PISTON actuator acetal BEARING piston acetal PLUG pipe headless FITTING connector male BEARING pin acetal PIN pilot stainless steel O RING buna N BLOCK pilot acetal BEARING shaft acetal SCREW grounding GASKET air cover foam COVER air aluminum SHAFT diaphragm sst SCREW M8 x 1 25 25 mm 1 in aluminum Same as B with the following exceptions 195921 HOUSING center remote aluminum COVER air remote 15K009 HOUSING center stainless steel COVER air valve stainless steel 15H178 PLATE air valve 1 stainless steel 9 23 15A739 COVER air stainless steel 25 112178 SCREW M8 x 1 25 25 mm 1 in stainless steel 15K696 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
10. 414 16 8 427 16 3 414 G 18 3 465 17 8 451 18 3 465 17 8 451 H 19 6 497 19 0 482 19 6 497 19 0 482 J 1 5 38 1 4 37 1 5 38 1 4 37 K 0 25 6 0 25 6 0 25 6 0 25 6 L 6 0 152 6 0 152 6 0 152 6 0 152 ae 38 se 4s ter 82 795 308441 31 Technical Data Maximum fluid working pressure RR HH e anana 120 psi 0 8 MPa 8 bar Air pressure operating range e mm m m s 20 120 psi 0 14 0 8 MPa 1 4 8 bar Maximum air consumption 125 scfm Air consumption at 70 psi 60 gpm 1 eR rh 50 scfm see chart Maximum free flow delivery 0 0 III 100 gpm 378 5 l min Maximumipump Speed ciclina cir epe kee beg hes eb ee E ig 200 cpm Gallons Liters per cycle Aeddi 0 5 1 9 Maximum suction lift 18 ft 5 48 m wet or dry Maximum size pumpable solids cent e 3 16 in 4 8 mm Maximum noise level at 100 psi full flow RR IIIA 94 dBa Sound power level asiarra TREE VR WU EMI RUE edad dud 108 dBa Noise level at 70 psi 50 cycles min LL 72 dBa Maximum operating temperature RH tenets 150 F 65 5 C 200 F 93 3 C for models with PTFE diaphragms AMET SZE ciare ees en oe pe Varaita Er EE gi 0 5 npt f Fluid imet EE 1 5 npt f Fluid outlet sizZ6 meirion usleeckkriesex 4e olearia ai de Behe ede 1 5 npt f Wetted parts 2x rio ea te oce eti IR Ro ORE TR eta hte Vary by Model See pages 22 24 Non wetted external parts aluminum 302 316 stainless steel polyest
11. 441 Service Diaphragm Repair A WARNING Tools Required e Torque wrench To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the e 13mm socket wrench Pressure Relief Procedure on page 10 e 15mm socket wrench aluminum models or 1 in socket wrench stainless steel models 1 Relieve the pressure e 19 mm open end wrench e O ring pick 2 Remove the manifolds and disassemble the ball check valves as explained on page 16 e Lithium base grease Disassembly 3 Using a 18 mm socket wrench remove the screws NOTE A Fluid Section Repair Kit is available Refer to 106 and 112 holding the fluid covers 101 to the page 23 to order the correct kit for your pump Parts air covers 23 Pull the fluid covers 101 off the included in the kit are marked with an asterisk for pump See Fig 11 example 401 Use all the parts in the kit for the best results A Apply medium strength blue Loctite or equivalent to the threads Torque to 190 220 in Ib 22 25 Nem See Torque Sequence page 28 Arrow A must point toward air valve B gt Muffler not included on Model No 253485 03273C Fig 11 308441 17 Service Loosen but do not remove the diaphragm shaft bolts 107 using a 15 mm socket wrench 1 in on stainless steel models on both bolts NOTE This step does not apply to pumps with overmolded diaphragms Unscrew one bolt from the diaphragm shaft 24
12. ARNING FIRE AND EXPLOSION HAZARD This pump must be grounded Before General Information e The typical installation shown in Fig 2 is only a guide for selecting and installing system compo nents Contact your Graco distributor for assistance in planning a system to suit your needs e Always use Genuine Graco Parts and Accessories Refer to Product Data Sheet 305646 e Reference numbers and letters in parentheses refer to the callouts in the figures and the parts lists on pages 25 24 e Lift the pump by grasping the outlet manifold 1 securely See Fig 3 on page 8 A WARNING 9 TOXIC FLUID HAZARD p Hazardous fluid or toxic fumes can AN cause serious injury or death if splashed in the eyes or on the skin inhaled or swallowed 1 Read TOXIC FLUID HAZARD on page 4 2 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 Tightening Screws Before First Use Before using the pump for the first time check and retorque all external fasteners See Torque Se quence page 28 After the first day of operation retorque the fasteners Although pump use varies a general guideline is to retorque fasteners every two months operating the pump ground the system as explained below Also read the sec tion FIRE AND EXPLOSION HAZARD on page 4 To reduce the risk of static s
13. Instructions Parts List G GRACO ALUMINUM AND STAINLESS STEEL Husky 1590 Air Operated g44 z4E Diaphragm Pumps 1 5 inch AODD pump for fluid transfer applications For professional use only See Models on page 2 for a list of pump models and descriptions 120 psi 0 8 MPa 8 bar Maximum Fluid Working Pressure 120 psi 0 8 MPa 8 bar Maximum Air Input Pressure 5 N LZY LB Important Safety Instructions Read all warnings and instructions in this manual Save these instructions M SSS Model No DB3777 shown 03263B C FREGA PROVEN QUALITY LEADING TECHNOLOGY Table of Contents MOdelS iaia Iii 2 Safety Warnings 3 SYMDOINS gt teehee Sek biede REH 3 Installation tr eve noes ei care eed 5 Operation iaia eee EE 10 Maintenance c eee ees 11 Troubleshooting 12 Service Repairing the Air Valve 14 Ball Check Valve Repair 16 Diaphragm Repair eee 17 Bearing and Air Gasket Removal 20 Pump Matrix 22 Repair Kit Matrix 23 Parts iraniani ian 24 Torque Sequence eee eee 28 Dimensions ser Ae ia eed ee his d 30 Techni al Datar tie a ea 32 Performance Chart cee eee ee eaee 33 Graco Warranties cece ee eee 34 Graco Information 34 Models Model No Description DB3 Aluminum Pumps DC3 Aluminum Pumps Remote DB4 Stainless Steel Pumps DC4 St
14. ainless Steel Pumps Remote DBC Aluminum BSPT Pumps DCC Aluminum BSPT Pumps Remote DBD Stainless Steel BSPT Pumps DCD Stainless Steel BSPT Pumps Remote DT4 Stainless Steel Plus Pumps DU4 Stainless Steel Plus Pumps Remote DTD Stainless Steel BSPT Plus Pumps DUD Stainless Steel BSPT Plus Pumps Remote 253485 Aluminum Pump 232502 Private Label Aluminum Pump 24B780 Stainless Steel Plus Pump with overmolded diaphragms 24B781 Stainless Steel Pump with overmolded diaphragms 24G411 Aluminum BSPT Pump with overmolded diaphragms 24J358 Aluminum Pump with overmolded diaphragms Refer to the Pump Matrix on page 22 to determine the Model No of your pump NOTE Plus Models include stainless steel center sections 2 308441 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 E Ra INSTRUCTIONS instructions A WARNING EQUIPMENT MISUSE HAZARD Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury 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 your Graco distributor Do not alter or modify this equipment Use only genui
15. 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 28 To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressure Relief Procedure on page 10 Flush the pump often enough to prevent the fluid you are pumping from drying or freezing in the pump and damaging it Use a compatible solvent Always flush the pump and relieve the pressure before storing it for any length of time 308441 11 Troubleshooting e 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 10 e 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 16 pressure 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 14 15 Use filtered air Check valve ball 301 severely Replace ball and seat See page worn and wedged in seat 201 or 16 manifold 102 or 103 Check valve ball 301 is wedged Install Pressure Relief Valve into seat 201
16. bearings 12 15 in place See Fig 8 The bearings are tapered and if damaged must be removed from the outside This requires disas sembly of the fluid section See page 20 7 Clean all parts and inspect for wear or damage Replace as needed Reassemble as explained on page 15 14 308441 Muffler not included on Model No 253485 Torque to 50 60 in Ib 5 6 6 8 Nem Fig 6 AN See Detail at right A Grease AN Grease lower face E 03268B 03269 Service Insert narrow end first Grease 1 Install with lips facing narrow end of piston 11 Insert wide end first YEN 17te 15 16 N Fig 8 Rounded side must face down aluminum center housing mod els only Tighten screws until they bottom out on the housing pes Fig 9 03270 03271 10 Reassembly If you removed the bearings 12 15 install new ones as explained on page 20 Reassemble the fluid section On aluminum center housing models install the valve plate seal 91m into the groove at the bot tom of the valve cavity The rounded side of the seal must face down into the groove See Fig 9 Install the valve plate 89 in the cavity On alumi num center housing models the plate is reversible So either side can 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 9 Install an
17. d A PVDF A not used A not used G Geolast G Geolast G Geolast 246451 Stainless Steel Air Motor Conversion Kit 24B781 Stainless Steel Pump Use kit 246451 and refer to manual 309643 included This pump is the same as Model DB4311 except for with kit to convert from aluminum air motor to the serial plate and parts listed in the chart below stainless steel air motor 24G411 Aluminum Pump This pump is the same as Model DBC311 except for 232502 Aluminum 1590 Pump Series D the serial plate and parts listed in the chart below Model No 232502 is a private label aluminum 1590 pump This pump is the same as Model No DB3525 24J358 Aluminum Pump except for the label and This pump is the same as Model DB3311 except for the serial plate and parts listed in the chart below Ref Nos 10 and 402 are 115666 Packing U cup S Fluoroelastomer 24J359 Aluminum Pump This pump is the same as Model DB3321 except for Ref No 17 is 168518 O ring Fluoroelastomer the serial plate and parts listed in the chart below Use 243492 as the Air Valve Repair Kit Ref 106 is 112416 SCREW SST M10 x 1 5 30 mm Ref 112 is 112417 SCREW SST M10 x 1 5 90 mm lla Description Qty 15H810 PLATE air side alum 253485 Aluminum 1590 Pump Series A Model No 253485 is an aluminum 1590 pump This pump is the same as Model No DB3777 except for the not used label and that 253485 does not include Ref No 111 Muff
18. e a minimum 1 2 in 13 mm ID air hose Screw an air line quick disconnect cou pler D onto the end of the air hose A and 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 Installation of Remote Pilot Air Lines 1 Refer to 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 Il 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 Fluid Suction Line 1 Use grounded fluid hoses G The pump fluid inlet R is 1 1 2 in npt f Screw the fluid fitting into the pump inlet securely 2 Ifthe 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 3 Atinlet fluid pressures greater than 15 psi 0 1 MPa 1 bar diaphragm life will be shortened 4 Seethe Technical Data on page 32 for maximum suction lift wet and dry Installation Fluid Outlet Line 1 Use grounded fluid hos
19. er labels Weight Aluminum pumps esoneri EE 33 5 Ib 15 2 kg Stainless steel pumps with aluminum center section 71 Ib 32 7 kg Stainless steel pumps with stainless steel center section 0 0c cece eee eee 86 Ib 40 kg Geolast isa registered trademarks of the ExxonMobil Chemical Co Santoprene is a registered trademarks of the Monsanto Co Loctite is a registered trademark of the Loctite Corporation Noise levels measured with the pump mounted on the floor using Rubber Foot Kit 286452 Sound power measured per ISO Standard 9216 32 308441 Performance Chart 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 meters PUMP DISCHARGE HEAD 280 85 3 240 73 2 200 61 0 160 48 8 120 36 6 80 24 4 40 12 2 psi MPa bar 120 0 8 8 100 0 7 7 0 80 0 56 5 6 60 0 42 4 2 40 0 28 2 8 20 0 14 1 4 A INLET AIR PRESSURES A 120 psi air 0 8 8 bar 100 psi air 0 7 7 bar m B C 70psiair 0 49 4 9 bar D 40 psi air 0 28 f bar AIR CONSUMPTION F E 20 scfm 0 56 m3 min 40 scfm 1 12 m3 min
20. es L The pump fluid outlet S is 1 1 2 in npt f Screw the fluid fitting A WARNING into the pump outlet securely A fluid drain valve J is required to relieve pres 2 Install a fluid drain valve J near the fluid outlet sure in the hose if it is plugged The drain valve See the WARNING above reduces the risk of serious injury including splash ing in the eyes or on the skin or contamination from hazardous fluids when relieving pressure 3 Install a shutoff valve K in the fluid outlet line Install the valve close to the pump fluid outlet See Fig 2 TYPICAL FLOOR MOUNT INSTALLATION KEY SL A Air supply hose me B Bleed type master air valve CF E 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 5 npt f fluid inlet port 1 5 npt f fluid outlet port Ground wire required see page 5 for installation instructions IN Lie IS HI our aAcromnmoo
21. es or on the skin and toxic fluid spills never move or lift a pump under pressure If dropped the fluid section may rupture Always follow the Pressure Relief Procedure above before lifting the pump 1 Be sure the pump is properly grounded Refer to Grounding on page 5 2 Checkall 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 10 308441 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 Close the pump air regulator C 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 of Remote Piloted Pumps 1 Follow preceding steps 1 thro
22. esign manufacture installation operation or maintenance of structures accessories equipment or materials not supplied by Graco This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an authorized Graco distributor for verification of the claimed defect If the claimed defect is verified Graco will repair or replace free of charge any defective parts The equipment will be returned to the original purchaser transportation prepaid If inspection of the equipment does not disclose any defect in material or workmanship repairs will be made at a reasonable charge which charges may include the costs of parts labor and transportation THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE Graco s sole obligation and buyer s sole remedy for any breach of warranty shall be as set forth above The buyer agrees that no other remedy including but not limited to incidental or consequential damages for lost profits lost sales injury to person or property or any other incidental or consequential loss shall be available Any action for breach of warranty must be brought within 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 mater
23. ials 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 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
24. 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 For patent information see www graco com patents 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 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 308441 Graco Headquarters Minneapolis International Offices Belgium China Japan Korea GRACO INC P O BOX 1441 MINNEAPOLIS MN 55440 1441 Copyright 1995 Graco Inc is registered to ISO 9001 www graco com Revision ZAE December 2013 34 308441
25. ix on page 23 to determine the correct kit for your pump 308441 27 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 22 25 Nem Torque bolts to 120 150 in Ib 14 17 Nem TOP VIEW SIDE VIEW 2 Inlet Manifold BOTTOM VIEW 28 308441 Notes 308441 29 Dimensions FRONT VIEW PUMP MOUNTING HOLE PATTERN IER B I 1 2 npt f DN x Li a Air Inlet ii est k 3 4 npt f Air Exhaust g D l ECK i are or gt Ies Lp A Muffler not included on Model No 253485 E Dimensions B C F G H and M can vary by up to 1 4 in 6 3 mm depending on the seat and diaphragm material fitted in the pump SIDE VIEW 5 23 in 132 5 mm om 1 5 npt f Inlet Port A 6 0 in K 152 5 mm 10 46 in 265 5 mm 74388 30 308441 Dimensions Aluminum Center Aluminum SST Center Aluminum Center Aluminum SST Center Cover SST Cover Cover SST Cover Dimension in mm in mm in mm in mm B 7 7 197 8 3 210 7 7 197 8 3 210 C 10 8 273 10 8 273 10 8 273 10 8 273 D 6 0 152 6 0 152 6 0 152 6 0 152 E 15 9 404 15 9 403 15 9 404 15 9 403 F 16 8 427 16 3
26. ler 24B780 Stainless Steel Plus Pump This pump is the same as Model DT4311 except for 15G745 DIAPHRAGM HD overmolded the serial plate and parts listed in the chart below PIREEPDM 22 308441 not used not used Repair Kit Matrix For Husky 1590 Aluminum and Stainless Steel 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 24 Parts included in the Air Valve Repair Kit are marked with a symbol in the parts list for example 3 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 B 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 DO B 9 1 1 If you only need to repair certain parts for example the diaphragms use the O null digits for the seats and balls and order Repair Kit DO B 0 0 1 The digits in the matrix do not correspond to the ref nos in the parts drawing and lists on pages 24 25 Diaphragm D for all pumps O for all pumps B PTFE EE O null O null O null i Part No 253627 H
27. lted 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 4 Rubber Foot Mounting Kit 236452 is available to reduce noise and vibration during operation Air Line A 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 1 Install the air line accessories as shown in Fig 2 Mount these accessories on the wall or on a bracket Be sure the air line supplying the acces sories is grounded 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 b Locate one bleed type master air valve B close to the pump and use it to relieve trapped air See the WARNING above Locate the other master air valve E upstream from all air line accessories and use it to isolate them during cleaning and repair 6 308441 c The air line filter F removes harmful dirt and moisture from the compressed air supply 2 Install a grounded flexible air hose A between the accessories and the 1 2 npt f pump air inlet N See Fig 3 Us
28. mm 1 in stainless steel 308441 25 Parts Fluid Section Parts List Matrix Column 3 15A615 189402 15A616 15K448 189843 115644 189410 104319 188970 102656 115645 194169 194170 194221 15K448 189309 112416 189410 104319 188621 102656 112417 26 308441 COVER fluid aluminum MANIFOLD inlet aluminum MANIFOLD outlet aluminum PLATE air side aluminum PLATE fluid side carbon steel SCREW M10 x 1 25 35 mm 1 38 in BOLT M12 x 1 75 55 mm 2 17 in 316 sst O RING PTFE LABEL warning MUFFLER not used on Model No 253485 SCREW M10 x 1 50 90 mm 3 54 in COVER fluid sst MANIFOLD inlet sst MANIFOLD outlet sst PLATE air side aluminum PLATE fluid side sst SCREW M10 x 1 25 30 mm 1 18 in sst BOLT M12 x 1 75 55 mm 2 17 in 316 sst O RING PTFE LABEL warning MUFFLER SCREW M10 x 1 50 90 mm 3 54 in sst 15A615 192078 15A658 15K448 189843 115644 189410 104319 188970 102656 115645 194169 195574 195575 15K448 189309 112416 189410 104319 188621 102656 112417 114862 COVER fluid aluminum MANIFOLD inlet aluminum BSPT MANIFOLD outlet aluminum BSPT PLATE air side aluminum PLATE fluid side carbon steel SCREW M10 x 1 25 35 mm 1 38 in BOLT M12 x 1 75 55 mm 2 17 in 316 sst O RING PTFE LABEL warning MUFFLER SCREW M10 x 1 50 90
29. mm 3 54 in COVER fluid sst MANIFOLD inlet sst BSPT MANIFOLD outlet sst BSPT PLATE air side aluminum PLATE fluid side sst SCREW M10 x 1 25 30 mm 1 18 in sst BOLT M12 x 1 75 55 mm 2 17 in 316 sst O RING PTFE LABEL warning MUFFLER SCREW M10 x 1 50 90 mm 3 54 in sst NUT hex M10 fhn Seat Parts N eo Parts List Matrix Column 4 Ball Parts List Matrix Column 5 em de EE To 189318 SEAT 316 stainless Ser 189319 SEAT 17 4 stainless Se 189320 SEAT Santoprene O RING PTFE 15B266 SEAT Buna N Not used 15B264 SEAT Fluoroelastomer Not used 193417 SEAT polypropylene O RING PTFE 301 114752 BALL Geolast 189732 SEAT PVDF 112418 O RING PTFE Diaphragm Parts List Matrix Column 6 194213 SEAT Geolast 112418 O RING PTFE ES PS e separately polychloroprene CR 402 112181 PACKING u cup nitrile 2 401 189425 DIAPHRAGM TPE 402 112181 PACKING u cup nitrile 2 401 189426 DIAPHRAGM Santo prene 402 112181 PACKING u cup nitrile 2 4 4 4 4 4 4 4 4 4 4 401 15B312 DIAPHRAGM Buna N 401 15B501 DIAPHRAGM Fluoroelastomer 402 7112181 PACKING u cup nitrile 194214 DIAPHRAGM Geolast N 402 112181 PACKING u cup nitrile 2 112181 PACKING u cup nitrile 2 These parts are included in the pump repair kit purchased separately See Repair Kit Matr
30. mps 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 an aluminum air motor aluminum fluid section polypropylene seats PTFE balls and PTFE diaphragms is Model No DB 3 9 1 1 To order replacement parts refer to the part lists on pages 25 24 The digits in the matrix do not correspond to the ref nos in the parts drawing and lists Diaphragm Pump Air Motor Fluid Section Seats Balls Diaphragms 232502 aluminum aluminum TPE acetal TPE 253485 aluminum aluminum Buna N Buna N Buna N D for all pumps B aluminum 1 not used 1 not used 1 PTFE 1 PTFE standard 24B780 C aluminum 2 not used 2 not used 2 acetal 2 not used remote 24B781 T sst standard 3 aluminum 3 316 sst 3 not used 3 not used 24G411 U sst remote 4 sst 4 17 4 PH sst 4 440C sst 4 not used 5 not used 5 TPE 5 TPE 5 TPE C aluminum 6 Santoprene 6 Santoprene 6 Santoprene BSPT D sst BSPT 7 Buna N 7 Buna N 7 Buna N 8 Fluoroelastomer 8 Fluoroelastomer 8 Fluoroelastomer 9 polypropylene 9 not used 9 not use
31. ne 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 component in your system This equipment has a 120 psi 0 8 MPa 8 bar maximum working pressure at 120 psi 0 8 MPa 8 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 1 1 1 trichloroethane methylene chloride other halogenated hydrocarbon solvents or fluids containing such solvents in pressurized aluminum equipment Such use could result in a chemical reaction with the possibility of explosion 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 F Do not lift pressurized equipment Comply with all applicable local state and national fire electrical and safety regulations 308441 3 4 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 guideli
32. nes 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 9 FIRE AND EXPLOSION HAZARD Improper grounding poor ventilation open flames or sparks can cause a hazardous condition and res 308441 ult in a fire or explosion and serious injury Ground the equipment Refer to Grounding on page 5 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 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 9 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 Installation Grounding A W
33. 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 8 Install a u cup packing 10m on each actuator piston 11 so the lips of the packings face the narrow end of the pistons See Fig 8 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 8 Grease the lower face of the pilot block 18T and install so its tabs snap into the grooves on the ends of the pilot pins 16 See Fig 7 Grease the o ring 6T and install it in the valve block 7 Push the block onto the valve carriage 5 Grease the lower face of the valve block See Fig 7 Install the valve carriage 5 so its tabs slip into the grooves on the narrow end of the actuator pistons 11 See Fig 7 Align the valve gasket Tal 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 Fig 6 308441 15 Service Ball Check Valve Repair AN Apply medium strength blue Loctite amp or equivalent to the threads Torque to 120 150 in Ib 14 17 Nem See Torque Tools Required Sequence page 28 e Torque wrench Arrow A must point toward outlet manifold 103 e 13 mm socket wrench A Not used on some models
34. parking ground the pump and all other equipment used or located in the pumping area Check your local electrical code for detailed grounding instructions for your area and type of equip ment Ground all of this equipment e Pump Connect a ground wire and clamp as 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 screw securely Connect the clamp end of the ground wire to a true earth ground Order Part No 222011 Ground Wire and Clamp 02646B Fig 1 e Air and fluid hoses Use only grounded hoses with a maximum of 500 ft 150 m combined hose length to ensure grounding continuity e Aircompressor Follow the manufacturer s recom mendations e All solvent pails used when flushing Follow the 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 e Fluid supply container Follow the local code 308441 5 Installation Mountings A 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 9 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 For all mountings be sure the pump is bo
35. pressurization and rupture of the pump or hose See Fig 4 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 R 1 5 npt f fluid inlet port S 1 5 npt f fluid outlet port V Pressure relief valve Order Part No 112119 for stainless steel pumps AN Install valve between fluid inlet and outlet ports Connect fluid inlet line here A Connect fluid outlet line here A Muffler not included on Model No 253485 S A EN uU M D_ qm re OU vA J S a j 3 NPRN Sek iE e EX n L 03461B Installation Air Exhaust Ventilation A WARNING 4 vy FIRE AND EXPLOSION HAZARD Be 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
36. rx 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 23 Parts included in the kit are marked with a symbol for example 4T Use all the parts in the kit for the best results Disassembly A WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressure Relief Procedure on page 10 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 4 See Fig 6 3 Move the valve carriage 5 to the center position and pull it out of the cavity Remove the valve block 719 and o ring 6t from the carriage Using a needle nose pliers pull the pilot block 18 straight up and out of the cavity See Fig 7 4 Pullthe two actuator pistons 11 out of the bear ings 12 Remove the u cup packings 10 from the pistons Pull the pilot pins 16 out of the bearings 15 Remove the o rings 17 from the pilot pins See Fig 8 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 89 and on aluminum center housing models only remove the seal 9 See Fig 9 6 Inspect the
37. s 402 so the lips face out of the housing 1 2 The bearings 12 15 and 19 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 15 4 Align the new air cover gasket 22 so the pilot pin 16 protruding from the center housing 1 fits through the proper hole H in the gasket 5 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 Apply medium strength blue Loctite or equivalent to the threads of screws 25 and install the screws handtight See Fig 13 Using a 10 mm socket wrench torque the screws oppositely and evenly to 130 150 in Ib 15 17 Nem 6 Install the diaphragm assemblies and fluid covers as explained on page 17 7 Reassemble the ball check valves and manifolds as explained on page 16 Service Insert bearings tapered end first Press fit bearings flush with surface of center housing 1 Apply medium strength blue Loctite or equivalent Torque to 130 150 in Ib 15 17 Nem Muffler not included on Model No 253485 gt PPE E Le eg 15 NN Detail of Air Valve Bearings 03278B Fig 13 308441 21 Pump Matrix Husky 1590 Aluminum and Stainless Steel Pu
38. the diaphragm assembly on one end of the shaft 24 as follows For pumps with overmolded diaphragms go directly to step g 308441 7 a Install the o ring 108 on the shaft bolt 107 b Install the fluid side diaphragm plate 105 on the bolt so the rounded side faces in toward the diaphragm 401 c On PTFE models only install the PTFE dia phragm 403 Make certain the side marked AIR SIDE faces the center housing 1 d Install the diaphragm 401 on the bolt Make certain the side marked AIR SIDE faces the center housing 1 e Install the air side diaphragm plate 104 so the recessed side faces the diaphragm 401 f Apply medium strength blue Loctite or equivalent to the bolt 107 threads Screw the bolt 107 into the shaft 24 hand tight g For overmolded diaphragms Assemble the air side plate 104 onto the diaphragm 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 Grease the length and ends of the diaphragm shaft 24 and slide it through the housing 1 Assemble the other diaphragm assembly to the shaft as explained in step 2 Hold one shaft bolt 107 with a wrench and torque the other bolt to 20 25 ft lb 27 34 Nem at 100 rpm maximum NOTE This step does not apply to pumps with overmolded diaphragms Align the fl
39. ugh 7 of Starting and Adjusting Pump 2 Open air regulator C A 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 A 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 Flushing and Storage A WARNING 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 A 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 Tightening Threaded Connections Before each use check all hoses for wear or damage and replace as necessary Check to
40. uid covers 101 and the center housing 1 so the arrows A on the covers face the same direction as the air valve B Apply medium strength blue Loctite or equivalent to the threads of screws 106 and 112 and secure the covers with the screws handtight Install the longer screws 112 in the bottom holes of the covers See Fig 11 Using a 13 mm socket wrench torque the screws oppositely and evenly to 190 220 in Ib 22 25 Nem See Torque Se quence page 28 Reassemble the ball check valves and manifolds as explained on page 16 Service x LT 07 5N Fee CD 403 E NO 24 104 401 1 03274A 03275A Cutaway View with Diaphragms in Place Cutaway View with Diaphragms Removed A Lips face out of housing 1 Rounded side faces diaphragm 401 A Air Side must face center housing 1 Grease A Used on pumps with PTFE diaphragms only YAN Apply medium strength blue Loctite or equiva lent Torque to 20 to 25 ft lb 27 to 34 N m at 100 rpm maximum A Recessed side
41. usky 1590 HD Overmolded PTFE EPDM Diaphragm Repair Kit 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 TPE 5 TPE 6 Santoprene 6 Santoprene 6 Santoprene 7 Buna N 7 Buna N 7 Buna N Fluoroelastomer Fluoroelastomer Fluoroelastomer not used not used 8 8 8 9 polypropylene 9 9 A PVDF A not used A not used G Geolast G G Geolast Geolast Part No 289225 Husky 1590 HD Overmolded PTFE EPDM Diaphragm Repair Kit with new air side diaphragm plates Part No 24F398 Husky 1590 PTFE Santoprene Backer Diaphragm Repair Kit for metal pumps 308441 23 Parts Drawing Aluminum Model Shown A Not used on some models YAN Used on PTFE models only 401 VAN Used on stainless steel models only YAN 403 These parts are unique to remote piloted air motor DC DT These parts are included in the Pump Repair Kit which may be purchased separately Refer to the Repair Kit Matrix on page 23 to determine the correct kit for your pump t These parts are included in Air Valve Repair Kit 236273 aluminum center housing models which may be purchased separately E These parts are included in Air Valve Repair Kit 255061 stainless steel center housing models which may be purchased separately A Replacement Danger and Warning labels tags and cards are available at no cost 106 0
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