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1. 150 psi POPS sannana 2 NPT Inlet An 1 1 2 NPT Outlet Hydraulic Ports 1 2 NPT Inlet i n 1 2 NPT Tank General Safety Information NOTE Notes are used to notify of installation operation or maintenance information that is important but not safety related 44 CAUTION Caution is used to indicate the presence of a hazard which will or may cause minor injury or property damage if the notice is ignored A WARNING Warning denotes that a potential hazard exists and indicates procedures that must be followed exactly to either eliminate or reduce the hazard and to avoid serious personal injury or prevent future safety problems with the product A DANGER Danger is used to indicate the presence of a hazard that will result in severe personal injury death or property damage if the notice is ignored A DANGER Do not pump flammable or explosive fluids such as gasoline fuel oil Kerosene etc Do not use in explosive atmospheres The pump should be used only with liguids compatible with the pump component materials Failure to follow this notice may result in severe personal injury and or property damage and will void the product warranty A CAUTION Do not pump at pressures higher than the maximum recommended pressure Maximum liquid temperature is 140 F for Series 9300 centrifugal pumps Disconnect power before servicing Release all pressure within the system before servicing any comp
2. Model 9302ST GM1 Hydraulic Motor Seal Kit No 3430 0649 Ref Ref No Qty Part No Description No Qty Part No Description 1 11 0701 9300C Bearing Housing 11 1 1720 0083 O Ring 2 2 2008 0001 Bearing 12 1 0401 9100P Impeller Nylagiass 3 1 1410 0108 Bearing Spacer 12 1 0402 9100P Impeller Polypropylene 4 11 1410 0110 Motor Pilot Ring 13 1 2253 0006 Acorn Nut 5 1 0517 2500 Shaft Assembly 14 1 0150 9200C2 Pump Casing 6 2 1810 0013 Retainer Ring 14 11 0156 9200S1 Pump Casing 7 11 2500 0033 Hydraulic Gear Motor 15 4 2406 0007 Pipe Plug 8 1 0750 9300C2 Mounting Flange 15 4 2406 0016 Pipe Plug 8 1 0756 9300S Mounting Flange 16 4 2210 0020 Hex Head Cap Screw 911 See Note Mechanical Seal 16 14 2210 0125 Hex Head Cap Screw 9 1 See Note Mechanical Seal 17 4 2210 0130 Threaded Stud 10 1 1610 0012 Key 18 4 2260 0002 Lockwasher 10 1 04432 Key 19 4 2250 0008 Nut Denotes part for 9302ST GM1 20 Repair Parts Kit No 3430 0332 Contains One o ring Ref 5 one rubber gasket Ref 6 and one mechanical seal Ref 7 All 9303C and 9303S Series Pumps Silicon Seal Kit No 3430 0589 Contains one each 1720 0083 o ring Ref 5 and one mechanical seal silicon Adapter Kit No 3430 0187 HM2 and HM4 Models Only Contains one each No 3360 0021 Pressure Port Adapter No 3373 0020 Size 1 No 3373 0021 Size 2 No 3373 00
3. HYPRO Product Bulletin Update to the hydraulic motor tank ports for HM1C HM2C HM3C HM4C amp HM5C Motors Date November 2009 Date November 2009 To Hypro hydraulic driven centrifugal and hydraulic driven plunger pump customers The hydraulic driven centrifugal pump and hydraulic driven plunger pump lines from Hypro have long been a top performer in the field As part of our commitment to quality and continuous improvement Hypro is providing notification of upcoming changes and recommendations to our standard hydraulic motor line tank port and return line This change will not affect product cost and will be implemented across the standard Hypro hydraulic motor line on product manufactured beginning January 1 2010 Update Change from 1 2 NPT outlet tank port adaptors to 54 NPT outlet tank port adaptors Benefits Provides a visual identification of pressure and tank ports reducing the likelihood of reverse hook up Update Tanks return line recommendation changes from 12 return hose to 34 return hose Benefits Reduces internal motor pressures resulting in increased performance reduced seal pressures and increased motor life Old Style Motor New Style Motor Ye NPT Tank Outlet Adaptor 34 NPT Tank Outlet Adaptor Yo NPT 35 NPT Please contact your field sales representative with any questions Regards Jared Krueger Product Manager Hypro 375 Fifth Avenue NW e New Brighton MN 55112 3288 e
4. Notes 27 Limited Warranty on Hypro SHURflo Agricultural Pumps amp Accessories Hypro SHURflo hereafter Hypro agricultural products are warranted to be free of defects in material and workmanship under normal use for the time periods listed below with proof of purchase Pumps one 1 year from the date of manufacture or one 1 year of use This limited warranty will not exceed two 2 years in any event Accessories ninety 90 days of use This limited warranty will not apply to products that were improperly installed misapplied damaged altered or incompatible with fluids or components not manufactured by Hypro All warranty considerations are governed by Hypro s written return policy Hypro s obligation under this limited warranty policy is limited to the repair or replacement of the product All returns will be tested per Hypro s factory criteria Products found not defective under the terms of this limited warranty are subject to charges paid by the returnee for the testing and packaging of tested good non warranty returns No credit or labor allowances will be given for products returned as defective Warranty replacement will be shipped on a freight allowed basis Hypro reserves the right to choose the method of transportation This limited warranty is in lieu of all other warranties expressed or implied and no other person is authorized to give any other warranty or assume obligation or liability
5. 0531 2500 Shaft HM2C HM4C 37 1 2250 0038 Lock Nut 19 1 0533 2500 Shaft HM1C HM5C 38 1 1610 0032 Roll Pin HM2C HM4C 19 1 0536 2500 Shaft HM3C 38 1 1610 0031 Roll Pin HM1C HM5C 20 1 0150 2500C Motor Body includes needle bearing 38 1 1610 0055 Roll Pin HM3C 21 4 2210 0005 Hex Head Cap Screw 39 1 1810 0026 Snap Ring 22 2 1 1720 0110 O ring 40 1 1610 0012 Woodruff Key 9303C 23 1 1600 0045 Dowel Pin HM2C HM4C 40 1 104432 Woodruff Key 9303S 23 1 1600 0044 Dowel Pin HM1C HM5C 23 1 1600 0052 Dowel Pin HM3C 21 Repair Parts Kit No 3430 0332 Contains One o ring Ref 5 one rubber gasket Ref 6 and one mechanical seal Ref 7 All 9303C Self Priming Series Pumps Silicon Seal Kit No 3430 0589 Contains one each 1720 0083 o ring Ref 5 and mechanical seal silicon carbide Ref 7 SP Chamber Kit No 3430 0480SP Contains One chamber with wear ring Ref 2 one o ring Ref 5 one drain vent plug Ref 1 and one vent plug Ref 1A Hydraulic Motor Part Nos 2500 0081C HM1C Models 2500 0082C HM2C Models 2500 0083C HM3C Models 2500 0084C HM4C Models 2500 0085C HM5C Models NOTE When ordering parts give QUANTITY PART NUMBER DESCRIPTION and COMPLETE MODEL NUMBER Reference numbers are used ONLY to identify parts in the drawing and are NOT to be used as order numbers Parts Kit No 3430 0748 Contains One
6. Pressure Port Adapter includes o ring 14 1 2000 0010 Ball Bearing 36 1 3320 0051A Tank Port Adapter includes o ring 15 1 1410 0131 Cartridge Front 37 1 1720 0262 O ring 16 2 1720 0268 O ring 38 1 3220 0029 Bypass Adjusting Screw 17 1 2104 0010 Lip Seal 39 1 1700 0047 Gasket 18 1 1410 0130 Seal Spacer 40 1 2270 0027 Washer 19 1 2029 0014 Thrust Bearing Assembly 41 1 2250 0038 Lock Nut 20 1 1610 0053 Square Key 21 1 0537 2500 Shaft 25 All 9306C Series Silicon Carbide Seal Kit No 3430 0589 Contains one each mechanical seal Ref 7 and o ring Ref 5 Repair Parts Kit No 3430 0332 Contains One mechanical seal Ref 7 one o ring Ref 5 and one rubber gasket Ref 6 NOTE When ordering parts give OUANTITY PART NUM BER DESCRIPTION and COMPLETE MODEL NUMBER Reference numbers are used ONLY to identify parts in the drawing and are NOT to be used as order numbers Parts Kit No 3430 0748 Contains One each ball bearing Ref 13 motor shaft seal Ref 16 thread seal gasket Ref 35 two cartridge o rings Ref 15 and washer Ref 36 two each motor housing o rings Ref 22 and port adapter o rings Ref 30 amp 32 Hydraulic Motor Part Nos 2500 0081C HM1C Models 2500 0083C HM3C Models 2500 0085C HM5C Models Ref Gty No Reg d Part No Description 1 4 2406 0007 Drain Vent Plug 9306C 1 4 2406 0016
7. 12 0U 120 Performance Graphs GRAPHS FOR HYDRAULICALLY DRIVEN CENTRIFUGALS 9302C HM1C amp 9302S HM1C LPM 150 200 250 300 50 GPM 9302C HM2C amp 9302S HM2C 100 LPM 150 200 50 GPM 9302C HM4C amp 9302S HM4C 100 LPM 150 200 250 250 10 20 30 40 GPM 50 60 70 Jbw 13 9302 9302CT GM1 amp 9302ST GM1 LPM o so 100 150 200 250 120 6 100 7 30GPM 6 80 5 P 25GPM B S A R 2 A Y 3 40 2 20 a a 9303C HM1C amp 9303S HM1C L min 0 50 100 150 200 250 300 350 400 450 0 20 40 60 80 100 120 GPM 9303C HM1C SP Performance at 11 GPM L min 0 50 100 150 200 250 300 350 400 450 Feet of lift 15 GPM Performance Graphs 9303 9303C HM1C SP Performance at 12 GPM L min 0 50 100 150 200 250 300 350 400 450 T 7 T T T T T T 71 100 2 o J gt 40 20 i 1 i Feet of lift 15 0 i i i 0 0 20 40 60 100 120 GPM 9303C HM1C SP Performance at 13 GPM L min 0 50 100 150 200 250 300 350 400 450 Feet of lift 15 60 GPM 9303C HM2C amp 9303S HM2C L min 0 50 100 150 200 250 300 350 9303 9303C HM2C SP Performance at 4 GPM L min 0 50 100 150 200 250 300 1 4 2 Inlet Hose Feet of Lift 15 0 10 20 30 40 50 60 70 80 GPM 9303C HM2C SP Performance at 5 GPM L min 60 0 50
8. Open the agitation line valve until sufficient agitation is observed If spray pressure drops readjust the tractor hydraulic flow control valve to restore it to the desired pressure Flush Pump After Use One of the most common causes for faulty pump performance is gumming or corrosion inside the pump Flush the pump and entire system with a solution that will chemically neutralize the liquid pumped Mix this solution according to the manufacturer s directions This will dissolve most residue remaining in the pump leaving the inside of the pump clean for the next use To Prevent Corrosion After cleaning the pump as directed above flush it with a permanent type automobile antifreeze Prestone Zerex etc containing a rust inhibitor Use a 50 solution half antifreeze and half water A protective coating will remain on the inner pump surfaces Save the excess antifreeze for the next application Plug the ports to keep out air during storage For short periods of idleness noncorrosive liquids may be left in the pump but air must be kept out Plug the ports or the seal port connections Repair Instructions Hypro Repair Tools Outlet Port Tool Box No 3010 0168 1 4 Allen Wrench No 3020 0008 Support Bars 2 No 3010 0064 Port Brush No 3010 0066 1 16 Allen Wrench No 3020 0009 Brush Holder No 3010 0067 Large Retaining Ring Pliers No 3010 0084 Small Retaining Ring Pliers No 3010 0167 Stainless Steel Tank
9. QUANTITY PART NUMBER DESCRIPTION and COMPLETE MODEL NUMBER Reference numbers are used ONLY to identify parts in the drawing and are NOT to be used as order numbers Parts Kit No 3430 0748 Contains One each ball bearing Ref 14 motor shaft seal Ref 17 thread seal gasket Ref 39 two cartridge o rings Ref 16 and washer Ref 40 two each motor housing o rings Ref 26 and port adapter o rings Ref 34 amp 37 Ref Qty Ref Qty No Req d Part No Description No Req d Part No Description 1 4 2406 0007 Drain Vent Plug 22 1 1810 0026 Snap Ring 2 1 0152 9200C Pump Casing 23 1 1610 0055 Roll Pin 3 1 2253 0002 Impeller Nut 24 1 0150 2500C Motor Body includes needle bearing 4 1 2270 0071 Washer 25 4 2210 0005 Hex Head Cap Screw 5 1 0403 9200P1 Impeller 26 2 1720 0110 O ring 6 1 1700 0100 Rubber Gasket 27 1 1600 0052 Dowel Pin 7 1 2120 0009 Mechanical Seal Viton Ceramic Std 9305C 28 1 1600 0068 Dowel Pin 7 1 3430 0601 Mechanical Seal Silicon Carbide Optional 29 1 3900 0024 Gerotor 8 1 1720 0180 O ring 30 1 0702 2500C1 Gerotor Housing 1 wide 9 1 0752 9200C Mounting Flange 31 1 0254 2500C2 Motor End Plate includes needle bearing 10 6 2210 0086 Hex Head Cap Screw 32 4 2270 0039 Washer 11 1 1410 0056 Slinger Ring 33 4 2220 0044 Cap Screw 12 1 1810 0014 Snap Ring 34 1 1720 0108 O ring 13 1 1820 0013 Retaining Ring 35 1 3360 0021A
10. 100 150 200 250 300 350 50 40 P S I 30 20 10 i i i Feet of Lift 15 i 0 i i id op i 0 10 20 30 40 50 60 70 80 90 100 GPM 9303C HM2C SP Performance at 6 GPM L min 0 50 100 150 200 250 300 350 400 450 1 5 rn A A nan EEE NE 1 1 2 Inlet Hos 60 Pa porron PP 50 uh a EEE TE AE ai S 3 I 40 Ep GL se is SA ge cl Sn na ee mai et DEN NN eee 2 20 Fn NN Ne A 1 TON EE A ENE GM AEE en Ge GENE Feet of Lift 15 10 5 0 Gb i ynn byn gyn y wa EN TA ET ETE 0 20 40 60 80 100 120 GPM 14 Performance Graphs 9303 9303C HM3C amp 9303S HM3C L min 300 500 100 200 400 9303C HM3C SP Performance at 20 GPM L min 100 150 200 250 300 350 450 6 5 B A R 3 2 1 i H i i i i 0 0 20 40 60 80 100 120 140 GPM 9303C HM3C SP Performance at 15 GPM L min 0 50 100 150 200 250 300 350 0 50 50 60 GPM 9303C HM4C amp 9303S HM4C L min 100 150 200 300 1 1 2 Inlet Hose Dr GPM 9303C HM3C SP Performance at 18 GPM L min 0 50 100 200 250 300 350 450 450 0 150 1 1 2 Inlet Hose 15 DPU 100 80 20 40 60 120 GPM 9303C HM5C amp 9303S HM5C L min 100 500 600 200 300 400 GPM Performance Graphs 9303 9303C HM5C SP Performance at 13 GPM 9303 9303P HM1C L min L min 0 50 100 150 200 250 300 350 400 450 0 50 100 150 200 250 300 350 400 450 1 1 2 Inlet Hose GPM GPM 9303C HM5C SP Performance at 14 GPM 9
11. 2250 0038 Lock Nut 19 1 0536 2500 Shaft HM3C 38 1 1610 0032 Roll Pin HM2C HM4C 20 1 0150 2500C Motor Body includes needle bearing 38 1 1610 0031 Roll Pin HM1C HM5C 21 4 2210 0005 Hex Head Cap Screw 38 1 1610 0055 Roll Pin HM3C 22 2 1 1720 0110 O ring 39 1 1810 0026 Snap Ring 23 1 1600 0045 Dowel Pin HM2C HM4C 40 1 1610 0012 Woodruff Key 9303C SP 40 1 04432 Woodruff Key 9303S SP 22 All 9300 Polypropylene Series Pumps Repair Parts Kit No 3430 0445 Contains One o ring Ref 13 one rubber gasket Ref 11 one mechanical seal Ref 12 one gasket Ref 8 and one washer Ref 9 Silicon Seal Parts Kit ff 3430 0593 Contains one each mechanical seal Ref 12 and o ring Ref 13 Adapter Kit No 3430 0187 HM2 and HM4 Models Only Contains one each No 3360 0021 Pressure Port Adapter No 3373 0020 Size 1 No 3373 0021 Size 2 No 3373 0022 Size 3 No 1720 0108 Adapter O ring and No 1720 0105 Orifice O ring Oty 3 NOTE When ordering parts give GUANTITY PART NUMBER DESCRIPTION and COMPLETE MODEL NUMBER Reference numbers are used ONLY to identify parts in the drawing and are NOT to be used as order numbers Parts Kit No 3430 0748 Contains One each ball bearing Ref 22 motor shaft seal Ref 25 thread seal gasket Ref 47 two cartridge o rings Ref 24 and washer Ref 48 two each motor housing o
12. 651 766 6300 e Fax 651 766 6600 www hypropumps com Series 9300 Hydraulically Driven Centrifugal Pumps Form L 1526 1 10 gt HYPRO Installation Operation Repair and Parts Manual Description Hypro centrifugal pumps are designed for agricultural and industrial spraying and transfer of a variety of fluids water insecticides herbicides wettable powders emulsives liquid fertilizers etc Polypropylene centrifugal pumps may also be used to pump acid fertilizer calcium chloride and other highly corrosive liquids such as sulfuric and phosphoric acids Hypro Series 9300 hydraulic motor driven centrifugal pumps provide smooth performance They can be conveniently mounted on the tractor or sprayer becoming part of the vehicle s hydraulic system and freeing the PTO for other uses The Hypro close coupled design reduces the mounting space reguired eliminating long shafts and couplers between the pump and motor SERIES 9302C amp 9302S Cast Iron amp Stainless Steel Centrifugal Pumps Max Flow Rate 100 gpm Max Pressure 120 psi Ports naas saman 1 1 4 NPT Inlet EE 1 NPT Outlet Hydraulic Ports 1 2 NPT Inlet HT 1 2 NPT Tank SERIES 9304C Cast Iron Centrifugal Pumps Max Flow Rate 190 gpm Max Pressure 130 psi POSi pasisi 2 NPT Inlet TAT 1 1 2 NPT Outlet Hydraulic Ports 1 2 NPT Inlet Mena an hana 1 2 NPT
13. 8 00 B A 600 2 4 00 2 00 0 00 0 50 100 150 200 250 GPM 9305C HM3C SP BSP Performance at 19 GPM 9306C HM5C amp 9306S HM5C L min LPM 0 100 200 300 400 500 600 0 100 200 300 400 500 600 700 800 900 160 160 12 00 140 2 Inlet Hose 10 00 120 P100 il 8 Ss I I eol J 6 00 R 60 4 00 ao B 2 00 20 20 0 i i 0 00 of 0 50 100 150 200 250 GPM 18 Repair Parts Kit No 3430 0332 Contains One o ring Ref 5 one rubber gasket Ref 6 and one mechanical seal Ref 7 9302C and 9302S Series Pumps Silicon Seal Kit No 3430 0589 Contains one each 1720 0083 o ring Ref 5 and mechanical seal silicon car bide Ref 7 31 30 NOTE When ordering parts give QUANTITY PART NUMBER DESCRIPTION and COMPLETE MODEL NUMBER Reference numbers are used ONLY to identify parts in the drawing and are NOT to be used as order numbers Adapter Kit No 3430 0187 HM2 and HM4 Models Only Contains one each No 3360 0021 Pressure Port Adapter No 3373 0020 Size 1 No 3373 0021 Size 2 No 3373 0022 Size 3 No 1720 0108 Adapter O ring and No 1720 0105 Orifice O ring Qty 3 Parts Kit No 3430 0748 Contains One each ball bearing Ref 13 motor shaft seal Ref 16 thread seal gasket Ref 35 two cartridge o rings Ref 15 and washer Ref 36 two each motor housing o rings Ref 22 and port adapter o rings Ref 30 amp 32 Hydra
14. Drain Vent Plug 9306S 2 1 0154 9200C1 Pump Casing 9306C 2 1 0154 9200S1 Pump Casing 9306S 2A 1 0157 9200C Pump Casing Universal Flange 220x200 2B 1 0158 9200C Pump Casing Universal Flange 300x220 Cast 2B 1 0158 9200S Pump Casing Universal Flange 300x220 S S 3 1 2253 0002 Impeller Nut 9306C 3 1 2253 0006 Impeller Nut 9306S 4 1 0401 9200P2 Impeller Nylon Std 9306C 4 1 0405 9100P2 Impeller Polypropylene Optional Std 9306S 4 1 10407 9306P Impeller GTX Optional 5 1 1720 0083 O ring 6 1 11700 0100 Gasket 7 1 2120 0009 Mechanical Seal Viton Ceramic Std 9306C 7 1 3430 0589 Mechanical Seal Silicon Carbide Std 9306S 8 1 0750 9300C2 Mounting Flange 9306C 8 1 0756 9300S Mounting Flange 9306S 9 4 2210 0020 Hex Head Cap Screw 9306C 9 4 2210 0125 Hex Head Cap Screw 9306S 10 1 1410 0056 Slinger Ring 11 1 1810 0014 Snap Ring 12 1 1820 0013 Retaining Ring 13 1 2000 0010 Ball Bearing 14 1 1410 0131 Cartridge Front 15 2 1720 0268 O ring 16 1 2104 0010 Lip Seal 17 1 1410 0130 Seal Spacer 18 1 2029 0014 Thrust Bearing Assembly 19 1 0531 2500 Shaft HM2C HM4C 19 1 0533 2500 Shaft HM1C HM5C 19 1 0536 2500 Shaft HM3C 20 1 0150 2500C Motor Body includes needle bearing 21 4 2210 0005 Hex Head Cap Screw 22 2 1720 0110 O ring Ref Gty No Reg d Part No Description 23 1 11600 0045 Dowel
15. Inner Gear of the Gerotor onto the shaft making sure Gerotor slot lines up with the key in the shaft The Roll Pin can slide up behind the inner gear of the gerotor when the gear is installed Make sure the key is visible in the slot after the gear is in place 4 Install the outer portion of the Gerotor making sure the Gerotor is centered within the o ring groove on the body 5 Install the Gerotor Housing making sure the pins in the Gerotor Housing line up with their respective holes in the body 6 Lightly lubricate the area between the Inner and Outer Gerotor the Outer Gerotor and Gerotor Housing with hydraulic oil or mineral oil Special attention should be exercised when working with retaining rings Always wear safety goggles when B For open center hydraulic systems turn the Bypass Adjusting Screw in until it bottoms out in the End Plate then turn back out 14 full turns Holding the Bypass Adjusting Screw with a screwdriver tighten Nut Motor will then have to be readjusted to tractor system working with spring or tension loaded fasteners or 11 Replace o ring on both port adapters devices 12 Install Pressure Port Adapter and Tank Port Adapter 7 Install o ring on the motor end plate back onto the motor For ease of installation tighten the Pressure Port Adapter first then the Tank Port 8 Place end plate on gerotor housing making sure holes i RON Adapter in end plate line up with pins in the ger
16. Port Wear Ring N V Adapter Shop Tools Needed g W Bench Vice Arbor Press Air or Hand Drill e Small Knife a y w bi Metal Pipe 1 dia x 4 high Bearing Seating Tool O ring PVC Pipe 3 4 dia x 4 6 high Seal Seating Tool 4 Seal 12 Crescent Wrench Two Flat Screwdrivers approx 10 long dd 1 2 9 16 5 8 and 7 8 sockets Hammer or Rubber Mallet i Gerotor Small Screwdriver recommended Large File optional bone de 7 Ba a 1 2 and 9 16 Box End Wrench Lubricating Spray WD 40 or LPS Shaft Small amount Hydraulic Oil Cleaning Solvent Tank recommended Figure 5 Flange 3 Once nut and washer is removed place a screwdriver Pump Housing Disassembly on each side behind the Impeller and pry away from the Mounting Flange See Figure 7 Remove Woodruff Key EEE from the Shaft Remove O ring from the Mounting nstructions in italics describe procedures for the Flange Series 9300P Polypropylene Centrifugal Pumps when i different than the cast iron pumps Pump Seal Removal 1 Using a 9 16 box end wrench remove the four Hex 1 Lightly lubricate the Shaft for easier removal of the Seal Head Bolts holding the Pump Casing to the Mounting Using two screwdrivers positioned opposite each other Flange If necessary tap Pump Casing Outlet Port with pry the rotary portion of the Seal from the Shaft See rubber mallet or hammer to separate Using a 1 2 Figure 8 wrench remove the six bolts from th
17. Using an arbor press press the shaft through the Bearing Seal Spacer and Seal See Figure 13 4 Inspect the sealing area of the shaft for wear Inspect other Shaft Assembly Components for wear and replace if necessary Figure 13 5 While motor is completely disassembled clean all parts in a solvent bath Build Shaft Sub Assembly 1 To assemble the seal cartridge remove the old seal from the cartridge by pressing it out The cartridge is reused by assembling the new seal into cartridge ensuring the new seal is pressed in with the lip seal on the opposite side as shown in Fig 1 Press ES 4 Cartridge Important To prevent damage to the seal lip extending out use seal spacer as shown to guard lip during assembly Seal Spacer Fig 1 2 Install the large retaining ring onto large diameter end of shaft 3 From the small threaded end of the shaft install the following parts in this order thrust bearing race thrust bearing 2nd thrust bearing race Note The thrust bearing and races should not be reused if they are showing any signs of wear 4 Install new type seal spacer looks like a thick washer approx 130 inch thick 5 Before installing the new seal its lip must be expanded to fit on the shaft With the seal lip facing out slide the seal over the threaded end of the shaft and gently push the seal onto the raised area of the shaft Do not push the seal past the large retaining rin
18. a given hydraulic system Usually any of Hypro s 9300HMC models may be used on this type of system provided the hydraulic system produces sufficient oil flow for the hydraulic motor being used Refer to the Pump Selection Guide This system maintains a constant flow of hydraulic oil for a given pressure drop The flow is adjustable with a flow control valve installed in the hydraulic system such as the Tortoise Hare control on John Deere tractors Because this system has adjustable flow there is no need to bypass hydraulic oil as in an open center system or to restrict the flow with orifices as in a closed center pressure compensated system Adjusting Centrifugal Pump Output 1 Make sure the orifice from the pressure port adapter of the hydraulic motor has been removed HM2C and HM4C models only 2 Close and lock down the bypass adjusting screw in the hydraulic motor 3 Set the tractor hydraulic flow control valve for minimum hydraulic oil flow to the remote outlet Tortoise position 4 Start the tractor and allow the hydraulic oil to circulate for approximately 10 to 15 minutes or until adequately warmed 5 Prime the centrifugal pump with all valves open See the Installation Instructions and System Configuration Diagram 6 Close the agitation line valve and open the control valve and the boom shut off valve 7 Slowly adjust the tractor hydraulic flow control valve until the desired boom pressure is attained 8
19. at the necessary rate to maintain a specified pressure It is desirable to equip implements with a motor of a low flow range that will cause the pump to operate between 1800 and 2100 psi 124 and 145 BAR A motor that requires a large volume to obtain the correct implement speed usually causes the hydraulic pump in a closed center system to operate at a lower pressure than desirable This low pressure results in unnecessary flow and the generation of heat that lowers the lubricating quality of the oil and may damage transmission parts Use the smallest motor possible Closed Center Load Sensing Systems Flow and Pressure Compensating The Closed Center Flow Compensated System is a variation of the pressure compensated system designed primarily for more efficient operation and the generation of less heat It works on the principle of maintaining a constant pressure drop from the pump to the work port of the selector valve Any variation in demand at the motor will cause a change in flow The system senses this change in flow due to the change in pressure drop across the valve and causes the pump to compensate by varying the pump flow No restrictor is used in the pressure line and no oil is bypassed Plumbing Installation Centrifugal Plumbing Hook up 1 2 3 4 5 6 7 8 9 DESCRIPTION Tank Lid Vent Line 3430 0456 Jet Agitator Shut off Ball Valves Centrifugal Pump Spray Control Console Centrifugal Pump Control Manifol
20. check hydraulic lines or hoses is by holding a piece of cardboard next to the hydraulic line or hose A WARNING The sound pressure level of the pump is 80dBA Observe all safety precautions when operating the pump within close proximity for extended periods of time by wearing hearing protectors Extended exposure to elevated sound levels will result in permanent loss of hearing acuteness tinnitus tiredness stress and other effects such as loss of balance and awareness General Information Hydraulic Systems Hydraulic Pumps Hydraulic pumps come in two basic types e Constant displacement which will continue to put out its rated flow regardless of pressure until the relief valve bypasses the flow Variable displacement which will produce only the flow needed by the implement until the total pump output is reached If less than the full pump output is reguired an automatic stroke control mechanism decreases the pump output to maintain a constant pressure and flow The output varies according to demand Open Center Spool Valve In Neutral Position Figure 1 Spool Valves There are two basic types of spool valves used in conjunction with these pumps Open and Closed Center In the Open Center Valve See Figure 1 the flow goes straight through the valve when in the neutral position This type is used for constant displacement pumps where the flow should never be shut off Closed Center Spool Valve In N
21. look for obstructions Clean out any corrosion build up where the casing fits over the eye of the impeller Pump Inlet Line To achieve full capacity from the pump the inlet line should be at least the same size as the inlet port on the pump Reducing this line size will restrict the capabilities of the pump The line must also be free of air leaks Check all fittings and connections in the suction line for tightness The introduction of air may affect the priming and pumping capabilities of the pump Use good quality suction hose that will not be collapsed by suction For non self priming models the centrifugal pump should be mounted below the liquid level and as near to the liquid source as possible to allow for the shortest suction line practical To achieve optimal performance the suction line should slope down into the pump Avoid rises and humps that could trap air in the line to the pump The suction line and pump should be filled with liquid prior to starting the pump and all discharge lines should be open Pump Outlet Line The recommended orientation for the outlet port is pointing straight up This allows liquid to stay in the pump while it is priming The outlet line should be the same size as the pressure port on the pump to give the optimal flow The line should have as few restrictions and elbows as possible to optimize the pump performance and reduce pressure drop from the pump to the spray tips 5 Priming the Pum
22. on Hypro s behalf Hypro shall not be liable for any labor damage or other expense nor shall Hypro be liable for any indirect incidental or conseguential damages of any kind incurred by the reason of the use or sale of any defective product This limited warranty covers agricultural products distributed within the United States of America Other world market areas should consult with the actual distributor for any deviation from this document Return Procedures All products must be flushed of any chemical ref OSHA section 1910 1200 d e f g h and hazardous chemicals must be labeled tagged before being shipped to Hypro for service or warranty consideration Hypro reserves the right to request a Material Safety Data Sheet from the returnee for any pump product it deems necessary Hypro reserves the right to disposition as scrap products returned which contain unknown fluids Hypro reserves the right to charge the returnee for any and all costs incurred for chemical testing and proper disposal of components containing unknown fluids Hypro reguests this in order to protect the environment and personnel from the hazards of handling unknown fluids Be prepared to give Hypro full details of the problem including the model number date of purchase and from whom you purchased your product Hypro may reguest additional information and may reguire a sketch to illustrate the problem Contact Hypro Service Department at 800 468 3428 to rece
23. until the desired spray pressure is reached If the spray pressure is too high throttle the centrifugal pump by closing down the control valve Closed Center Pressure Compensated HM2C and HM4C Models Only On a pressure compensated system the amount of oil that is allowed to flow through the hydraulic motor is regulated by a metering orifice in the pressure port adapter Three different sizes of orifices are supplied with the HM2C and HM4C model pumps to allow flexibility in the flow reguired for individual sprayer needs The smaller the orifice the less hydraulic oil goes through the motor so the pump will run slower and the flow of liquid pumped and the spray pressure will also be less As the hydraulic oil flow is increased by installing a larger orifice the amount of liguid being pumped and the spray pressure is also increased Installing and Removing Metering Orifice 1 Shut off the hydraulic system 2 Disconnect the line to the pressure port of the hydraulic motor 3 Remove the adapter from the motor using a 1 1 16 wrench Make sure the o ring is on the metering orifice before installing into port adapter 4 The orifice is removed or installed in the port adapter by tapping either in or out of the adapter A To remove tap the orifice out from the small end of the adapter To install tap the orifice in from the large end of the adapter The orifice is seated when a snap sound is heard B Adju
24. 00 0048 Gerotor HM5C 4 1 0402 9100P Impeller Polypropylene Optional Std 9303S 26 1 10701 2500C1 Gerotor Housing HM2C Models 1 4 wide 5 1 1720 0083 O ring 26 1 0700 2500C1 Gerotor Housing HM1C Models 1 2 wide 6 1 1700 0100 Gasket 26 1 10703 2500C1 Gerotor Housing HM4C Models 5 16 wide 7 1 2120 0009 Mechanical Seal Viton Ceramic Std 9303C 26 1 0702 2500C1 Gerotor Housing HM3C Models 1 wide 7 1 3430 0589 Mechanical Seal Silicon Carbide Std 9303S 26 1 0704 2500C1 Gerotor Housing HM5C Models 5 8 wide 8 1 0750 9300C Mounting Flange 9303C 27 1 0254 2500C2 Motor End Plate includes needle bearing 8 1 0756 9300S Mounting Flange 9303S 28 4 2270 0039 Washer 9 4 2210 0020 Hex Head Cap Screw 9303C 29 4 2220 0045 Cap Screw HM2C HM4C Models 9 4 2210 0125 Hex Head Cap Screw 93035 29 4 2220 0021 Cap Screw HM1C Models 10 1 1410 0056 Slinger Ring 29 4 2220 0044 Cap Screw HM3C Models 11 1 1810 0014 Snap Ring 29 4 2220 0032 Cap Screw HM5C Models 12 1 1820 0013 Retaining Ring 30 1 1720 0108 O ring 13 1 2000 0010 Ball Bearing 31 1 3360 0021A Pressure Port Adapter includes o ring 14 1 1410 0131 Cartridge Front 32 1 1720 0262 O ring 15 2 1720 0268 O ring 33 1 3320 0051A Tank Port Adapter includes o ring 16 1 2104 0010 Lip Seal 34 1 3220 0029 Bypass Adjusting Screw 17 1 1410 0130 Seal Spacer 35 1 1700 0047 Gasket 18 1 2029 0014 Thrust Bearing Assembly 36 1 2270 0027 Washer 19 1
25. 01 2500C1 Gerotor Housing HM2C Models 1 4 wide 17 1 1510 0063 Base Plate 38 1 0700 2500C1 Gerotor Housing HM1C Models 1 2 wide 18 2 2250 0008 Hex Nut 38 1 0703 2500C1 Gerotor Housing HM4C Models 5 16 wide 19 1 1410 0056 Slinger Ring 38 1 0702 2500C1 Gerotor Housing HM3C Models 1 wide 20 1 1810 0014 Snap Ring 38 1 0704 2500C1 Gerotor Housing HM5C Models 5 8 wide 21 1 1820 0013 Retaining Ring 39 1 0254 2500C2 Motor End Plate includes needle bearing 22 1 2000 0010 Ball Bearing 40 4 2270 0039 Washer 23 1 1410 0131 Cartridge Front 41 4 2220 0045 Cap Screw HM2C HM4C Models 24 2 1720 0268 O ring 41 4 2220 0021 Cap Screw HM1C Models 25 1 12104 0010 Lip Seal 41 4 2220 0044 Cap Screw HM3C Models 26 1 1410 0130 Seal Spacer 41 4 2220 0032 Cap Screw HM5C Models 27 1 2029 0014 Thrust Bearing Assembly 42 1 1720 0108 O ring 28 1 1610 0042 Woodruff Key 9303P all except HM3C 43 1 3360 0021A Pressure Port Adapter includes o ring 28A 1 1610 0053 Square Key 9303P HM3C Only 44 1 3320 0051A Tank Port Adapter includes o ring 29 1 0534 2500 Shaft HM2C HM4C 45 1 1720 0262 O ring 29 1 0535 2500 Shaft HM1C HM5C 46 1 3220 0029 Bypass Adjusting Screw 29 1 0537 2500 Shaft HM3C 47 1 1700 0047 Gasket 30 1 1810 0026 Snap Ring 48 1 2270 0027 Washer 31 1 1610 0032 Roll Pin HM2C HM4C 49 1 2250 0038 Lock Nut 23 Models 9305C HM3C SP and 9305C HM3C BSP Hydraulic Mot
26. 22 Size 3 No 1720 0108 Adapter O ring and No 1720 0105 Orifice O ring Oty 3 NOTE When ordering parts give QUANTITY PART NUMBER DESCRIPTION and COMPLETE MODEL NUMBER Reference numbers are used ONLY to identify parts in the drawing and are NOT to be used as order numbers Parts Kit No 3430 0748 Contains One each ball bearing Ref 13 motor shaft seal Ref 16 thread seal gasket Ref 35 two cartridge o rings Ref 15 and washer Ref 36 two each motor housing o rings Ref 22 and port adapter o rings Ref 30 amp 32 Hydraulic Motor Part Nos 2500 0081C HM1C Models 2500 0082C HM2C Models 2500 0083C HM3C Models 2500 0084C HM4C Models carbide Ref 7 2500 0085C HM5C Models Ref Qty Ref Qty No Reg d Part No Description No Req d Part No Description 1 4 2406 0007 Drain Vent Plug 9303C 24 1 1600 0042 Dowel Pin HM2C HM4C 1 4 2406 0016 Drain Vent Plug 9303S 24 1 1600 0037 Dowel Pin HM1C HM5C 2 1 0150 9000C Pump Casing Model 9303C 24 1 1600 0068 Dowel Pin HM3C 2 1 0150 9000S Pump Casing Model 9303S 25 1 3900 0022 Gerotor HM1C 2A 1 0153 9000C Pump Casing Universal Flange Model C U 25 1 3900 0023 Gerotor HM2C 3 1 2253 0002 Impeller Nut 9303C 25 1 3900 0024 Gerotor HM3C 3 1 2253 0006 Impeller Nut 9303S 25 1 3900 0025 Gerotor HM4C 4 1 0401 9100P Impeller Nylon Std 9303C 25 1 39
27. 303P HM2C L min L min 120 50 100 150 200 250 300 350 400 450 150 200 Feet of Lift 15 je pe EY NY ag 40 50 en GPM GPM 9303C HM5C SP Performance at 15 GPM 9303P HM3C L min L min 0 50 100 150 200 250 300 350 400 450 0 50 100 150 200 250 300 350 1 1 12 Inlet Hose Feet of Lift 15 16 Performance Graphs 9303 9303P HM4C 9304 9304C HM3C L min L min 0 50 100 150 200 250 300 0 100 200 300 400 500 600 700 gt y oliuiiig go lrini erii a eai h a iia 0 20 40 60 80 100 120 140 160 180 200 GPM 9303P HM5C 9304C HM5C L min L min 0 0 100 200 300 400 500 600 700 800 900 120 140 120 100 100 P 80 P S S I 60 I 60 40 a 20 20 0 GPM 93 04 9304C HM1C 93 05 9305C HM3C L min L min 0 100 200 300 400 500 600 700 0 100 200 300 400 500 600 700 800 900 obe i a aaa aah 0 0 20 40 60 80 100 120 140 160 180 200 GPM 17 Performance Graphs 9305 9305C HM3C SP BSP Performance at 17 GPM 9306 9306C HM1C amp 9306S HM1C L min 0 100 200 300 400 500 600 120 I T TI T 8 900 i 100 E Las __ 2inlet Hose Lu bea rie add 7 a i i 5 H 8 00 7 00 80 6 00 B P 5 00 A a 60 4 00 R 3 00 2 00 40 1 00 11 9 00 20 250 ok dd 0 80 GPM 9305C HM3C SP BSP Performance at 18 GPM 9306C HM3C 8 9306S HM3C L min LPM 140 100 200 300 400 500 500 0 100 200 300 400 500 600 700 800 900 i i i i 12 00 10 00
28. 9302C 29 4 2220 0021 Cap Screw HM1C Models 9 4 2210 0125 Hex Head Cap Screw 9302S 30 1 1720 0108 O ring 10 1 1410 0056 Slinger Ring 31 1 3360 0021A Pressure Port Adapter includes o ring 11 1 1810 0014 Snap Ring 32 1 1720 0262 O ring 12 1 1820 0013 Retaining Ring 33 1 3320 0051A Tank Port Adapter includes o ring 13 1 2000 0010 Ball Bearing 34 1 3220 0029 Bypass Adjusting Screw 14 1 1410 0131 Cartridge Front 35 1 1700 0047 Gasket 15 2 1720 0268 O ring 36 1 2270 0027 Washer 16 1 2104 0010 Lip Seal 37 1 2250 0038 Lock Nut 17 1 1410 0130 Seal Spacer 38 1 1610 0032 Roll Pin HM2C HM4C 18 1 2029 0014 Thrust Bearing Assembly 38 1 1610 0031 Roll Pin HM1C 19 1 0531 2500 Shaft HM2C HM4C 39 1 1810 0026 Snap Ring 19 1 0533 2500 Shaft HM1C 40 1 1610 0012 Woodruff Key 9302C 20 1 0150 2500C Motor Body includes needle bearing 40 1 04432 Woodruff Key 9302S 21 4 2210 0005 Hex Head Cap Screw 19 Models 9302CT GM1 amp 9302ST GM1 Note Mechanical Seal Ref 9 is not available outside of the kit form For replacement seal order Kit 43430 0332 or Kit 43430 0589 for Model 9302CT GM1 and Kit 43430 0589 for Note When ordering parts give QUANTITY PART NUMBER DESCRIPTION and COMPLETE MODEL NUMBER Reference numbers are used ONLY to identify parts in the drawing and are NOT to be used as order numbers
29. P Prime Port Plug BSP model only 28 1 1600 0052 Dowel Pin 4 1 2253 0002 Impeller Nut 29 1 1600 0068 Dowel Pin 5 1 2270 0071 Washer 30 1 3900 0024 Gerotor 6 1 0403 9200P1 Impeller 31 1 0702 2500C1 Gerotor Housing 1 wide 7 1 1700 0100 Rubber Gasket 32 1 0254 2500C2 Motor End Plate includes needle bearing 8 1 2120 0009 Mechanical Seal Viton Ceramic Std 9305C 33 4 2270 0039 Washer 8 1 3430 0601 Mechanical Seal Silicon Carbide Optional 34 4 2220 0044 Cap Screw 9 1 1720 0180 O ring 35 1 1720 0108 O ring 10 1 0752 9200C Mounting Flange 36 1 3360 0021A Pressure Port Adapter includes o ring 11 6 2210 0086 Hex Head Cap Screw 37 1 3320 0051A Tank Port Adapter includes o ring 12 1 1410 0056 Slinger Ring 38 1 1720 0262 O ring 13 1 1810 0014 Snap Ring 39 1 3220 0029 Bypass Adjusting Screw 14 1 1820 0013 Retaining Ring 40 1 1700 0047 Gasket 15 1 2000 0010 Ball Bearing 41 1 2270 0027 Washer 16 1 1410 0131 Cartridge Front 42 1 2250 0038 Lock Nut 17 2 1720 0268 O ring 18 1 2104 0010 Lip Seal 19 1 1410 0130 Seal Spacer 20 1 2029 0014 Thrust Bearing Assembly 24 Models 9305C HM3C 10 Repair Parts Kit No 3430 0500 Contains one each mechanical seal Ref 7 o ring Ref 8 and rubber gasket Ref 6 Hydraulic Motor Part No 2500 0083C Silicon Seal Kit No 3430 0601 Contains one each mechanical seal Ref 7 and O ring Ref 8 NOTE When ordering parts give
30. Pin HM2C HM4C 23 1 1600 0044 Dowel Pin HM1C HM5C 23 1 1600 0052 Dowel Pin HM3C 24 1 1600 0042 Dowel Pin HM2C HM4C 24 1 1600 0037 Dowel Pin HM1C HM5C 24 1 1600 0068 Dowel Pin HM3C 25 1 3900 0022 Gerotor HM1C 25 1 13900 0023 Gerotor HM2C 25 1 3900 0024 Gerotor HM3C 25 1 3900 0025 Gerotor HM4C 25 1 3900 0048 Gerotor HM5C 26 1 0701 2500C1 Gerotor Housing HM2C Models 1 4 wide 26 1 0700 2500C1 Gerotor Housing HM1C Models 1 2 wide 26 1 0703 2500C1 Gerotor Housing HM4C Models 5 16 wide 26 1 0702 2500C1 Gerotor Housing HM3C Models 1 wide 26 1 0704 2500C1 Gerotor Housing HM5C Models 5 8 wide 27 1 0254 2500C2 Motor End Plate includes needle bearing 28 4 2270 0039 Washer 29 4 2220 0045 Cap Screw HM2C HM4C Models 29 4 2220 0021 Cap Screw HM1C Models 29 4 2220 0044 Cap Screw HM3C Models 29 4 2220 0032 Cap Screw HM5C Models 30 1 1720 0108 O ring 31 1 3360 0021A Pressure Port Adapter includes o ring 32 1 1720 0262 O ring 33 1 3320 0051A Tank Port Adapter includes o ring 34 1 3220 0029 Bypass Adjusting Screw 35 1 1700 0047 Gasket 36 1 2270 0027 Washer 37 1 2250 0038 Lock Nut 38 1 1610 0032 Roll Pin HM2C HM4C 38 1 1610 0031 Roll Pin HM1C HM5C 38 1 1610 0055 Roll Pin HM3C 39 1 1810 0026 Snap Ring 40 1 1610 0012 Woodruff Key 9306C 40 1 104432 Woodruff Key 9306S 26
31. TION The threads of the Plastic Seal Nut are fine and can be easily cross threaded To prevent cross threading turn the Plastic Seal Nut counterclockwise until area of thread engagement is detected then turn the Plastic Seal Nut clockwise until it is secure Do not over tighten the Plastic Seal Nut 6 Insert a Woodruff Key into the Shaft key slot then place the Impeller on the Shaft and align it with the Key and press against the Mechanical Seal Assembly Apply a blue thread locking compound to the Impeller Nut and using a 5 8 socket wrench and using a screwdriver to hold the Impeller install the Impeller Nut On polypropylene models insert the Woodruff Key into the Shaft key slot Place the Impeller on the Shaft and align it with the Key then press against the Mechanical Seal Assembly Place the Metal Seal Washer on the Shaft Apply a drop of blue thread locking compound on the Impeller Nut and secure the Impeller to the Shaft as described previously Install the o ring on the mounting flange Replace the o ring if worn or damaged Place the pump casing on the mounting flange insert and tighten the bolts Disassembly and Repair of the Hydraulic Motor NOTE The work area and motor should be as clean as possible to prevent contamination of parts Fig ure 10a Remove the Mounting Flange from the motor body and place Hydraulic Motor in vise 2 Remove Tank Port Adapter and Pressure Port Adapter with lar
32. Tank SERIES 9303C amp 9303S Cast Iron amp Stainless Steel Centrifugal Pumps Max Flow Rate 147 gpm Max Pressure 145 psi Ports coccion 1 1 2 NPT Inlet enden 1 1 4 NPT Outlet Hydraulic Ports 1 2 NPT Inlet Sarek 1 2 NPT Tank SERIES 9305C HM3C Cast Iron Centrifugal Pumps Max Flow Rate 190 gpm Max Pressure 180 psi POrts sesame rai aer 2 NPT Inlet EE wes 1 1 2 NPT Outlet Hydraulic Ports 1 2 NPT Inlet EU YNO NN 1 2 NPT Tank SERIES 9303P Polypropylene Centrifugal Pumps Max Flow Rate 113 gpm Max Pressure 125 psi POMS asinis 1 1 2 NPT Inlet O 1 1 4 NPT Outlet Hydraulic Ports 1 2 NPT Inlet GWRT Y GY 1 2 NPT Tank SERIES 9305C HM3C SP BSP Cast Iron Centrifugal Pumps Max Flow Rate 178 gpm Max Pressure 154 psi Ports 2 NPT or BSP Inlet veda die 2 NPT or BSP Outlet Hydraulic Ports 1 2 NPT Inlet Senada ana 1 2 NPT Tank SERIES 9303C SP Cast Iron Centrifugal Pumps Max Flow Rate 122 gpm Max Pressure 140 psi el AAA 1 1 2 NPT Inlet ones 1 1 4 NPT Outlet Hydraulic Ports 1 2 NPT Inlet EE HN metana 1 2 NPT Tank SERIES 9306C amp 9306S Cast Iron amp Stainless Steel Centrifugal Pumps Max Flow Rate 214 gpm Max Pressure
33. all tractor hydraulic systems may cause potentially damaging high peak pressures in the hydraulic system when closed because of abrupt shut off of oil flow in both the supply and return lines When shutting off the pump move the selector to the FLOAT position to allow the centrifugal pump to come to a stop gradually For further information regarding Hypro products contact your local dealer or Hypro directly at www hypropumps com or by calling 1 800 424 9776 Operation Open Center Systems All Models Adjusting Centrifugal Pump Output HM1C HM3C amp HM5C motors have bypass screw fully closed from the factory HM2C amp HM4C motors have bypass screw set at 1 1 2 turns from fully closed from the factory 1 Open the bypass adjustment screw 2 1 2 turns from fully closed Turn the bypass screw in to achieve the flow for the desired gpm and psi Start the tractor Leave the directional valve in the neutral position and allow hydraulic oil to circulate for approximately 10 to 15 minutes or until adeguately warmed 6 3 Prime the centrifugal pump with all valves open See the Installation Instructions and System Configuration Diagram 4 Close the agitation line valve and keep the control valve and the boom shut off valve open Note the spray pressure 5 Open the agitation line valve until you have desired circulation in the tank Recheck the spray pressure If it is too low close down the agitation line valve
34. an be mounted on either the tractor or sprayer When hooking up make sure that no dirt or liguid gets into the hydraulic motor Keep all hydraulic connections clean Be sure to connect the hydraulic motor into the system correctly by putting the pressure line to the Pressure Port Adapter and return line to the Tank Port Adapter The adapters on the hydraulic motor are sized to accommodate 1 2 NPT fittings on the pressure port and 3 4 NPT on the tank port For maximum performance the hydraulic lines should also be at least 1 2 12 7 mm in size for the pressure line and 3 4 19 05 mm for the tank line The tank OUT port adapter with a built in check valve assembly will guard against reverse operation allowing you to reverse oil flow to operate other eguipment This adapter must not be removed On HM2C and HM4C model pumps the pressure IN port adapter is a two piece assembly consisting of an open unrestricted adapter with three orifices packed loose with the pump See the Operations Section When using the HM2C or HM4C unit on any flow compensated load sensing closed center system or any small open center system with a maximum flow of 8 gpm 30 28 Ipm for HM2C or 10 gpm 37 85 Ipm for HM4C the metering orifice should be removed from the pressure port adapter When using these units on flow compensated systems connect to the motor priority circuit if your tractor has one Standard spool valves which are found on
35. d Boom Valve Electromagnetic Flowmeter Compact Jet Turret Nozzle Body a o 4 Installation Instructions All Models Open Center Systems Models include Tank Port Adapter with built in Check Valve Assembly and Pressure Port Adapter HM2C and HM4C Models Only Closed Center and Small Open Center Systems Models include Tank Port Adapter with built in Check Valve Assembly and Pressure Port Adapter with three different size metering orifices for HM4C models The orifices are not reguired for use with closed center systems with flow control such as John Deere closed center systems Also do not use for small open center systems with a maximum flow of 8 gpm 30 28 Ipm for HM2C model 10 gpm 37 85 Ipm for HM4C model If necessary the pressure port adapter may be used without a metering orifice installed in any closed center system For best results the pressure differential across the motor should be less than 2500 psi 170 bar Preliminary to Mounting Consult the owners manual to determine the type and capacity of the hydraulic system Make sure the hydraulic system is recommended to operate with a continuous load Refer to the Pump Selection Guide to confirm you have the proper pump for your hydraulic system Check to see that the pump impeller can be turned by hand Turn the shaft clockwise using a deep socket wrench on the impeller nut If it cannot be turned open the pump casing to
36. e front For the two bottom bolts securing the base you will need to hold the two nuts with another 1 2 wrench Also remove the 5 16 screw from the rear near the outlet port 2 To remove the Impeller Nut insert a large screwdriver or file at least 10 254 mm long into Impeller Vanes to prevent Impeller from turning when loosening nut Use a 5 8 socket wrench to remove the Impeller Nut by turning it counterclockwise See Figure 6 Use 7 8 deep socket wrench to remove Plastic Seal Nut then 9 16 deep socket to remove Metal Jam Nut and Washer Figure 8 NOTE In the case of a severe pump seal leak inspect the Shaft Bearing Assembly in the hydraulic motor for possible contamination 2 Using a 1 2 box end wrench remove the four bolts holding the Motor to the Mounting Flange Remove Motor Remove the Plastic Back Cover flange Knock the Seal out from back with a hammer and screwdriver Use a 1 2 socket wrench and 1 2 box end wrench to remove the Mounting Flange from the Hydraulic Motor 8 3 Using a screwdriver and hammer tap out the stationary portion of the Mechanical Seal from the motor side of the Mounting Flange If the motor is not removed the seal can be pried out with a small screwdriver NOTE The seal will be damaged by removal in this manner A new seal must be used when pump is reassembled Clean Up Of Pump Housing 1 Using a circular bottle type wire brush with air or hand drill cl
37. each ball bearing Ref 13 motor shaft seal Ref 16 thread seal gasket Ref 35 two cartridge o rings Ref 15 and wash er Ref 36 two each motor housing o rings Ref 22 and port adapter o rings Ref 30 amp 32 Adapter Kit No 3430 0187 HM2 and HM4 Models Only Contains one each No 3360 0021 Pressure Port Adapter No 3373 0020 Size 1 No 3373 0021 Size 2 No 3373 0022 Size 3 No 1720 0108 Adapter O ring and No 1720 0105 Orifice O ring Oty 3 Ref Gty Ref Gty No Reg d Part No Description No Reg d Part No Description 1 1 2406 0007 Drain Vent Plug 9303C SP 23 1 1600 0044 Dowel Pin HM1C HM5C 1 1 2406 0016 Drain Vent Plug 9303S SP 23 1 1600 0052 Dowel Pin HM3C 1A 1 2406 0001 Vent Plug 9303C SP 24 1 1600 0042 Dowel Pin HM2C HM4C 1A 1 7SP34 Vent Plug 9303S SP 24 1 1600 0037 Dowel Pin HM1C HM5C 2 1 3430 0480SP Pump Casing 9303C SP 24 1 1600 0068 Dowel Pin HM3C 2 1 0150 9070S Pump Casing 9303S SP 25 1 3900 0022 Gerotor HM1C 3 1 2253 0002 Impeller Nut 9303C SP 25 1 3900 0023 Gerotor HM2C 3 1 2253 0006 Impeller Nut 9303S SP 25 1 3900 0024 Gerotor HM3C 4 1 0401 9100P Impeller Nylon Std 9303C SP 25 1 3900 0025 Gerotor HM4C 4 1 0402 9100P Impeller Polypropylene Optional Std 9303S SP 25 1 3900 0048 Gerotor HM5C 5 1 1720 0083 O ring 26 1 0701 2500C1 Gerot
38. ean the Outlet Port Inlet Port and the sealing areas of the o ring on the Pump Casing and Mounting Flange Using the port brush clean the seal cavity in the Mounting Flange The last step should not be performed on the 9300P After wire brush cleaning it is recommended that the Pump Casing and Mounting Flange be further cleaned in a solvent tank to remove rust and corrosion particles Seal Replacement Pump Housing Reassembly NOTE If the hydraulic motor reguires repair proceed to Disassembly and Repair of the Hydraulic Motor in the next column 1 Lubricate the seal cavity in the Mounting Flange with WD 40 LPS or equivalent Do not lubricate the shaft Install the stationary portion of the Mechanical Seal by sliding over the Shaft with the ceramic side out NOTE Make sure both the seal cavity and seal are clean and lubricated 3 To seat the seal in the seal cavity use a piece of 3 4 PVC pipe 4 to 6 101 6 to 152 4 mm in length Lubricate sealing surface on seal after it is seated Do not lubricate the shaft To install the rotary portion of the mechanical seal place it over the shaft with the carbon side facing in and press against the stationary portion See Figure 9 Install rubber gasket 1700 0100 over shaft against rotary portion of seal Figure 9 NOTE On Models 9305C HM3C SP 9505C HM3C BS and 9305C HM3C install the washer on the shaft prior to installing the impeller nut 9 A CAU
39. eutral Position Figure 2 The Closed Center Valve See Figure 2 is used with variable displacement pumps The flow is completely shut off in the neutral position causing the pump stroke to adjust to zero flow The flow stops but the pump maintains a static pressure up to the valve Hydraulic Motors Figure 3 shows an internal gear motor Gerotor where pressure causes the cavities between the gears to expand on one side developing torgue The Gerotor type of hydraulic motor is used on Hypro pumps for its superior performance characteristics including cooler running and higher rpm capabilities 3 Gerotor Type Hydraulic Motor Figure 3 Three Systems Fitting these components together and installing a motor we have one of the three types of systems Open Center Closed Center pressure compensated and Closed Center Load Sensing flow and pressure compensated Open Center Systems In an Open Center System the hydraulic pump puts out a constant flow If the pump puts out more oil than the motor can use a portion of the oil must be bypassed around the motor When the oil is bypassed around a loop and does no work the energy put into it by the pump turns into heat Therefore the amount of oil bypassed should be kept to a minimum Use the largest motor possible Closed Center Pressure Compensated Systems The Closed Center Pressure Compensated system has a variable displacement pump which will deliver flow
40. filtration Line strainers can also be installed in the tank fill line to filter liquid as it is loaded into the tank as well as in the boom lines to further filter the solution prior to the spray tips Tank baskets can also be used to filter material added through the tank lid Agitation The centrifugal pump control contains a manual agitation control valve that can be adjusted to provide the right amount of flow to the jet agitators in the tank to ensure proper mixing within the tank Flowmeter To eliminate the mechanical problems of a turbine flowmeter we recommend that an electromagnetic flowmeter be used These flowmeters have no moving parts to wear out and will provide a more consistent and accurate flow reading They can be input into just about any electronic rate controller or switch box Boom Section Valves For rapid response and reliability we recommend electric plunger valves be used for boom control The valves should be sized accordingly to minimize the pressure drop and maximize the flow rate The boom tubing or hose should be sized accordingly to ensure that a pressure drop in the lines does not occur causing inconsistent pressures at the nozzles Nozzle Bodies Nozzle bodies with shut off check valves are recommended to eliminate dripping from the spray tips when the boom valves are shut down Hooking Up the Hydraulic Motor to the Tractor Hydraulic System Hypro Series 9300HMC hydraulic motor driven pumps c
41. g groove on the shaft 10 6 Once the seal has been expanded remove the seal from the shaft 7 Install seal cartridge assembly With seal lip facing the large end of the shaft slide the seal cartridge assembly over the threaded end of the shaft and gently push into the raised area of the shaft Align the seal lip to enter the center diameter of the seal spacer and push until seal body touches seal spacer Important If the seal lip is longer than the seal spacer s width please stop the assembly and review parts being used 8 Assemble two o rings on the outside body of the new seal cartridge assembly as shown in Fig 2 Install o rings one at a time and do not roll over each other 2 O rings Fig 2 NA 7 het 10 Do not press but place the shaft sub assembly into the motor body with threaded end of shaft up Lubricate the two o rings with hydraulic or mineral oil before assembling Figure 14 Install Shaft Sub Assembly Into Motor Body Important Make sure the surface edge of the arbor press fixture is smooth and clean An unthreaded piece of pipe 1 x 4 high is needed to support the outer race of the seal cartridge sub assembly and outer race of the ball bearing during assembly Place this pipe over the shaft threaded end for assembly of the following steps 1 Place the body on a support fixture in the arbor press Using an unthreaded piece of pipe 1 dia x 4 high press the shaft
42. ge crescent wrench or 1 1 16 and 1 3 8 box end wrench See Figure 10 3 Using a 9 16 box end wrench loosen the nut on the Bypass Adjusting Screw See Figure 10a 4 Using a small screwdriver remove the Bypass Adjusting Screw from the Motor This will remove the Screw Nut Washer and Thread Seal Gasket 5 Using a 1 4 Allen wrench remove the Socket Head Cap Screws from the Motor End Plate See Figure 10 6 If Motor End Plate will not lift off easily use a small screwdriver to carefully pry apart the boss portion of the End Plate and Gerotor Housing until free See Figure 11 If Gerotor Housing will not lift off easily carefully pry apart the boss area between the Gerotor Housing and the Motor Body It may be necessary to alternate sides when prying apart Motor sections Figure 1 7 Remove both parts of the Gerotor 8 On HM3C models remove the Woodruff Key from the Shaft On HM1C HM2C and HM4C models remove the Roll Pin from the Shaft 9 Remove the o ring from the Motor End Plate and Body with a flat instrument such as a knife blade 10 Inspect Motor End Plate Body and Gerotor Housing for wear and or gouging If gouging has occurred in both the Motor End Plate and Body the motor is not repairable If gouging has occurred in the Motor End Plate Body or Gerotor Housing the part that is worn must be replaced If Gerotor Housing is damaged Gerotor parts must also be replaced To Remove the Shaft A
43. ive a Return Merchandise Authorization number RMA Returns are to be shipped with the RMA number clearly marked on the outside of the package Hypro shall not be liable for freight damage incurred during shipping Please package all returns carefully All products returned for warranty work should be sent shipping charges prepaid to HYPRO Attention Service Department 375 Fifth Avenue NW New Brighton MN 55112 For technical or application assistance call the Hypro Technical Application number 800 445 8360 To obtain service or warranty assistance call the Hypro Service and Warranty number 800 468 3428 or send a fax to the Hypro Service and Warranty FAX 651 766 6618 Carriers including U S P S airlines UPS ground freight etc reguire specific identification of any hazardous material being shipped Failure to do so may result in a substantial fine and or prison term Check with your shipping company for specific instructions Note This warranty does not apply to Hypro Pump Kit Model 1538 1551 1538 SP and 1551 SP This is because the user could incorrectly assemble the parts and cause the pump to work improperly gt Pentair Water FLOW TECHNOLOGIES GROUP 375 Fifth Avenue NW New Brighton MN 55112 Hypro 201 0 Phone 651 766 6300 800 424 9776 Fax 800 323 6496 Printed in USA www hypropumps com
44. moving the lower drain plug Controlling the Pump Flow The best way to control the flow is by incorporating two control valves in a pipe tee immediately after the strainer in the discharge line This permits controlling agitation flow independently of nozzle flow In any centrifugal pump it is the large volume of liquid which puts load on the drive Use only the flow needed to develop the pressure required at the boom and to maintain adequate agitation Hydraulic motor driven centrifugal pumps are easily adjusted to the exact flow required as explained in the Operating Instructions of this manual Centrifugal Pump Control Hypro now offers many different components for spraying systems The Hypro centrifugal pump control incorporates the electric flow control valve a self cleaning line strainer a visual pressure gauge and a manual agitation control valve Flow Control Valve A high flow electric proportional valve allows for maximum flow control to the boom valves It provides smooth rapid control that can be controlled from either an electronic rate controller or switch box Strainers The recommended placement of the strainer for a centrifugal pump is in the pump outlet line This will eliminate any possible restriction that the strainer could Plumbing Installation create if it were installed in the inlet line Ensure that the proper strainer size and screen mesh are used to limit the pressure drop and achieve the best
45. onent Drain all liquids from the system before servicing any component Flush with water Secure the outlet lines before starting the pump An unsecured line may whip causing personal injury and or property damage Check hose for weak or worn condition before each use Make certain that all connections are tightly secured Periodically inspect the pump and the system components Perform routine maintenance as required See Repair Instructions Use only pipe hose and fittings rated for the maximum psi rating of the pump 10 Do not use these pumps for pumping water or other liquids for human or animal consumption Hazardous Substance Alert A CAUTION 1 Always drain and flush pump before servicing or disassembling for any reason 2 Always drain and flush pumps prior to returning unit for repair 3 Never store pumps containing hazardous chemicals 4 Before returning pump for service repair drain out all liquids and flush unit with neutralizing liquid Then drain the pump Attach tag or include written notice certifying that this has been done It is illegal to ship or transport any hazardous chemicals without United States Environmental Protection Agency Licensing 2 A DANGER Never use your hand to check the condition of hydraulic lines or hoses If hydraulic fluid penetrates the skin get medical help immediately Failure to get proper medical help may result in loss of limb or life The safest way to
46. or Housing HM2C Models 1 4 wide 6 1 1700 0100 Gasket 26 1 0700 2500C1 Gerotor Housing HM1C Models 1 2 wide 7 1 2120 0009 Mechanical Seal Viton Ceramic Std 9303C SP 26 1 0703 2500C1 Gerotor Housing HM4C Models 5 16 wide 7 1 3430 0589 Mechanical Seal Silicon Carbide Std 9303S SP 26 1 0702 2500C1 Gerotor Housing HM3C Models 1 wide 8 1 0750 9300C Mounting Flange 9303C SP 26 1 0704 2500C1 Gerotor Housing HM5C Models 5 8 wide 8 1 0756 9300S Mounting Flange 9303S SP 27 1 0254 2500C2 Motor End Plate includes needle bearing 9 4 2210 0020 Hex Head Cap Screw 9303C SP 28 4 2270 0039 Washer 9 4 2210 0125 Hex Head Cap Screw 9303S SP 29 4 2220 0045 Cap Screw HM2C HM4C Models 10 1 1410 0056 Slinger Ring 29 4 2220 0021 Cap Screw HM1C Models 11 1 1810 0014 Snap Ring 29 4 2220 0044 Cap Screw HM3C Models 12 1 1820 0013 Retaining Ring 29 4 2220 0032 Cap Screw HM5C Models 13 1 2000 0010 Ball Bearing 30 1 1720 0108 O ring 14 1 1410 0131 Cartridge Front 31 1 3360 0021A Pressure Port Adapter includes o ring 15 2 1720 0268 O ring 32 1 1720 0262 O ring 16 1 2104 0010 Lip Seal 33 1 3320 0051A Tank Port Adapter includes o ring 17 1 1410 0130 Seal Spacer 34 1 3220 0029 Bypass Adjusting Screw 18 1 2029 0014 Thrust Bearing Assembly 35 1 1700 0047 Gasket 19 1 0531 2500 Shaft HM2C HM4C 36 1 2270 0027 Washer 19 1 0533 2500 Shaft HM1C HM5C 37 1
47. or Part No Repair Parts Kit No 3430 0500 Contains one each mechanical seal Ref 8 o ring Ref 9 and rubber Silicon Seal Kit No 3430 0601 Contains one each mechanical seal Ref 8 and o ring Ref 9 NOTE When ordering parts give OUANTITY PART NUMBER DESCRIPTION and COMPLETE MODEL NUMBER Reference numbers are used ONLY to identify parts in the drawing and are NOT to be used as order numbers Parts Kit No 3430 0748 Contains One each ball bearing Ref 15 motor shaft seal Ref 18 thread seal gasket Ref 40 two cartridge o rings Ref 17 and washer Ref 41 two each motor housing o rings Ref 27 and port 2500 0083C gasket Ref 7 adapter o rings Ref 35 amp 38 Ref Qty Ref Qty No Reg d Part No Description No Reg d Part No Description 1 1 2406 0002 1 2 NPT Drain Plug SP model only 21 1 1610 0053 Square Key 1 1 2406 0035 1 2 BSP Drain Plug BSP model only 22 1 0537 2500 Shaft 2 1 3430 0481SP Self Priming Chamber SP model only 23 1 1810 0026 Snap Ring Includes a stainless wear ring plugs amp o ring 24 1 1610 0055 Roll Pin 2 1 3430 0481BSP Self Priming Chamber BSP model only 25 1 0150 2500C Motor Body includes needle bearing Includes a stainless wear ring plugs amp o ring 26 4 2210 0005 Hex Head Cap Screw 3 1 2406 0034 1 NPT Prime Port Plug SP model only 27 2 1720 0110 O ring 3 1 2406 0036 1 BS
48. otor housing 9 Install four Socket Head Cap Screws in Motor End 18 Je On IME wise TI IB Plate and using a 1 4 Allen wrench tighten Cap 9 Screws alternately and evenly in a crisscross pattern to 14 Install Slinger Ring over Motor Shaft approximate 15 tepi Penne 20 Nm Morgue 15 Install Motor into Pump Mounting Flange Insert four 10 Install the Thread Seal Gasket on the Bypass Adjusting Hex Head Bolts then alternately and evenly tighten Screw Put the Gasket on from the slotted end and turn them For polypropylene models secure the Hydraulic until four threads on the screw are showing Install the Motor to the Mounting Flange with four Hex Head Cap Washer and the Nut Install Bypass Adjusting Screw in Screws and Nuts The nuts should be visible when the the motor end plate assembly is complete A For closed center hydraulic systems turn the Bypass Adjusting Screw in until it bottoms out in the End Plate Tighten nut down with 9 16 box end wrench Troubleshooting If the proper Hydraulic Pump Unit has been selected according to Hypro recommendations and the unit has been correctly plumbed into the hydraulic system operation should or hydraulic system heat is excessive etc check the following troubleshooting guide for possible problems and solutions be quite satisfactory If spraying performance is unsatisfactory Troubleshooting Guide Symptom Probable Cause s Corrective Action s Low discharge Pump no
49. p NOTE The pump must not be run dry Before starting the pump the inlet line and pump must be filed with liquid and all discharge lines must be open On self priming models only the pump chamber needs to be filed with liquid The pump must not be run unless it is completely filled with liguid because there is a danger of damaging the mechanical seal which depends on the liguid for its lubrication Non self priming models should be mounted below the level of the liguid The suction line should slope down to the pump and be free of dips and bends If this cannot be done a foot valve should be installed in the end of the inlet line so that the line can be completely filled with liguid before starting the pump For best priming results the top vent plug should be removed from the pump casing A vent line 1 4 6 35 mm tubing is sufficient should be installed running back to the top of the tank This line prevents air lock and allows the pump to prime itself by bleeding off trapped air The small stream of liguid that returns to the tank during operation is negligible The discharge from this line should be positioned in the tank above the high liguid level Self priming models can be primed by removing the top vent plug and filling the priming chamber The priming chamber will fill to the level of the inlet port After use the priming chamber should be flushed and drained to avoid chemical corrosion and damage from freezing Drain by re
50. rings Ref 34 and port adapter o rings Ref 42 amp 45 Hydraulic Motor Part Nos 2500 0181C HM1C Models 2500 0182C HM2C Models 2500 0183C HM3C Models 2500 0184C HM4C Models 2500 0185C HM5C Models Ref Gty Ref Gty No Reg d PartNo Description No Reg d Part No Description 1 4 2210 0087 Hex Head Cap Screw 31 1 1610 0031 Roll Pin HM1C HM5C 2 2 2210 0016 Hex Head Cap Screw Base Only 31 1 1610 0055 Roll Pin HM3C 3 6 2270 0041 Washer 32 1 0150 2500C Motor Body includes needle bearing 4 4 2406 0020 Pipe Plug 33 4 2210 0021 Hex Head Cap Screw 5 1 0700 9000P Pump Casing 34 2 11720 0110 O ring 6 1 2250 0052 Impeller Nut 35 1 1600 0045 Dowel Pin HM2C HM4C 7 1 2250 0051 Jam Nut 35 1 1600 0044 Dowel Pin HM1C HM5C 8 1 1700 0097 Gasket Viton 35 1 1600 0052 Dowel Pin HM3C 9 1 2270 0057 Washer 36 1 1600 0042 Dowel Pin HM2C HM4C 10 1 0402 0100P Impeller 36 1 1600 0037 Dowel Pin HM1C HM5C 11 1 1700 0100 Rubber Gasket 36 1 1600 0068 Dowel Pin HM3C 12 1 2120 0009 Mechanical Seal Viton Ceramic Std 9303P 37 1 3900 0022 Gerotor HM1C 12 1 3430 0593 Mechanical Seal Silicon Carbide Optional 37 1 3900 0023 Gerotor HM2C 13 1 1721 0083 O ring 37 1 3900 0024 Gerotor HM3C 14 1 10750 9300P Cover 37 1 3900 0025 Gerotor HM4C 15 1 2210 0088 Screw 37 1 3900 0048 Gerotor HM5C 16 1 0750 9006C Intermediate Flange 38 1 07
51. ssembly from the Motor Body 1 Remove the Slinger Ring from the Motor Shaft A WARNING Special attention should be exercised when working with retaining rings Always wear safety goggles when working with spring or tension loaded fasteners or devices 2 Using the large retaining ring pliers remove the Retaining Ring next to the Ball Bearing in the Motor Body NOTE If bearing is binding against the retaining ring so that it cannot easily be removed place the motor body threaded portion of the shaft up on arbor press Using a piece of un threaded metal pipe 1 dia x 4 high 254 mm x 101 6 mm high slide over the shaft and gently press down with the arbor press just enough to relieve the pressure on the retaining ring Figure 12 3 Place body in position on arbor press Threaded portion of the Shaft should be inside the fixture Press out shaft assembly with arbor press See Figure 12 Hydraulic Motor Shaft Disassembly and Repair 1 Remove Large Retaining Ring from Shaft with a screwdriver Remove Thrust Bearing Assembly from Shaft includes the Thrust Bearing and two Thrust Bearing Races and the Seal Spacer 2 Remove the Small Retaining Ring next to the Shaft Ball Bearing 3 To remove the Bearing from the shaft place the shaft threaded end up in the arbor press fixture Place the two support bars provided in the repair kit opposite each other and between the seal on the shaft and the arbor press fixture
52. sting Centrifugal Pump Output 1 Open the bypass adjusting screw in the hydraulic motor three 3 turns Start the tractor and allow the hydraulic oil to circulate for approximately 10 to 15 minutes or until adeguately warmed Close and lock down the bypass adjusting screw in the hydraulic motor Prime the centrifugal pump with all valves open See Installation Instructions and System Configuration Diagram Close the agitation line valve and the control valve open the boom shut off valve With the pump running open the control valve until the pressure gauge indicates the desired spraying pressure Open the agitation line valve until sufficient agitation is observed Then if spray pressure drops readjust the control valve to restore to the desired pressure If a sufficient boom pressure cannot be attained install the 2 size orifice and repeat Steps 5 through 7 If a sufficient boom pressure still cannot be attained with the 2 size orifice install the 3 size orifice and repeat Steps 5 through 7 If a sufficient boom pressure still cannot be attained with the 3 size orifice remove the orifice and repeat Steps 5 through 7 2 7 Closed Center Load Sensing All Models Many tractors are being introduced with load sensing systems also referred to as flow and pressure compensated systems which simplify system setup and eliminate many of the problems associated with using the wrong size pump motors on
53. subassembly down into the body until it bottoms out This is a light press fit and should be done slow and easy 11 2 Install the new ball bearing onto the threaded end of the shaft Press down using the 1 x 4 pipe until the retaining ring can be installed in its groove in the bearing core of the motor body Install the retaining ring Figure 15 3 Turn the motor body assembly over threaded shaft end down on the arbor press Press the shaft down into its final position until the small retaining ring can be installed in the shaft next to the ball bearing Install small retaining ring on shaft Check shaft rotation at this point It should rotate smoothly with only slight resistance from the seal lip pressure on the shaft If you feel any gritty or sticking movement return assembly to the arbor press and lightly press on the threaded end of the shaft to relieve press fit compression on the thrust bearing Note Don t over do this press The objective is to move the small outer retaining ring installed in the previous step back to touching only the ball bearing inner race Important If gritty or sticky movement persists it s likely due to re used parts or the body needle bearing is in need of replacement Reassembly of Remaining Hydraulic Motor Parts 1 Place Motor Body in a vise with large end of shaft facing up 2 Install the o ring in the body 3 Install the Roll Pin on the shaft Place the
54. t primed Air leaks in inlet line Blocked or clogged line strainer Impeller plugged Undersize inlet line or collapsed hose Improperly sized hydraulic motor Bypass Adjustment Screw not set properly Eye of impeller rubbing on volute Remove top most vent plug from face of pump and run pump to expel trapped air see Installation Instructions Check and reseal inlet fittings Inspect strainer and clear any debris from screen Inspect and clear obstruction Suction line should be the same diameter as inlet port of pump or larger Refer to Pump Selection Guide to determine proper size hydraulic motor for your hydraulic system Adjust bypass screw on side of hydraulic motor in until the desired output is attained Remove volute front cover and inspect the impeller If wear detected sand the impeller eye O D with emery cloth Hydraulic system overheating Improper hydraulic motor size Bypass Adjustment Screw set to bypass too much oil Improper metering orifice installed in pressure port Insufficient hydraulic hose size Refer to Pump Selection Guide to determine proper size for your hydraulic system Close adjustment screw on side of hydraulic motor to lessen the amount of oil being bypassed Install proper size orifice Refer to Installation section for proper sizing Check hydraulic hose size Hose should be at least 1 2 12 7 mm on the pressure port and 3 4 19 05mm on the tank port
55. ulic Motor Part Nos 2500 0081C HM1C Models 2500 0082C HM2C Models 2500 0084C HM4C Models Ref Qty Ref Qty No Req d Part No Description No Reg d Part No Description 1 4 2406 0007 Drain Vent Plug 9302C 22 2 1720 0110 O ring 1 4 2406 0016 Drain Vent Plug 9302S 23 1 1600 0045 Dowel Pin HM2C HM4C 2 1 0150 9200C Pump Casing Model 9302C 23 1 1600 0044 Dowel Pin HM1C 2A 1 0156 9200S Pump Casing Model 9302S 24 1 1600 0042 Dowel Pin HM2C HM4C 3 1 2253 0002 Impeller Nut 9302C 24 1 1600 0037 Dowel Pin HM1C 3 1 2253 0006 Impeller Nut 9302S 25 1 3900 0022 Gerotor HM1C 4 1 0401 9100P Impeller Nylon Std 93020 25 1 3900 0023 Gerotor HM2C 4 1 0402 9100P Impeller Polypropylene Optional Std 9302S 25 1 3900 0025 Gerotor HM4C 5 1 1720 0083 O ring 26 1 0701 2500C1 Gerotor Housing HM2C Models 1 4 wide 6 1 1700 0100 Gasket 26 1 0700 2500C1 Gerotor Housing HM1C Models 1 2 wide 7 1 2120 0009 Mechanical Seal Viton Ceramic Std 9302C 26 1 0703 2500C1 Gerotor Housing HM4C Models 5 16 wide 7 1 3430 0589 Mechanical Seal Silicon Carbide Std 9302S 27 1 0254 2500C2 Motor End Plate includes needle bearing 8 1 0750 9300C Mounting Flange 9302C 28 4 2270 0039 Washer 8 1 0756 9300S Mounting Flange 9302S 29 4 2220 0045 Cap Screw HM2C HM4C Models 9 4 2210 0020 Hex Head Cap Screw

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