Parts & Service Manual
Contents
1. REMOVE PISION amp LINER AS AN ASSEMBLY IN ORDER SERVICE KT 3350PT ji 4 2 A 2 SAN 227772 A A 2222292220 cc va T Que KC 07 lt 29 26 19 YY A 2 a CRANKC ASE OIL KT 26G GASKET WIPER PACKING SEAL GLAND KT 26M A PONY ROD PACKING GLAND ASSEMBLY M Q 77777 H 2 165 KT 235 BACK PLATE REMOVED aX SHOW BELTS KT 145 b dir KT175 M f KT 12 WN SS 7 KT 11 Sy KT 10 ON AP 72 u Z jaf na eX Ne KT 20A 2 KT 18 285 280 KT 18A l KT Ske KF1 KT 21 000 KT 24 265 SEALS TO SNAP TROUBLESHOOTING GUIDE for Kerr Pump 1 CHECK FOR LEAKING PISTONS REPLAC E IF NEC ESSARY 2 CHECK FOR PROPER FLUID FLOW TO PUMP MINIMUM REQUIREM ENT 3 SUC TION HOSE NO MORE THAN 50 LONG WITH OF CONTINUOUS PRESSURE FEEDING PUMP 3 REMOVE VALVE COVER CAPSAND INSPECT VALVES amp VALVE SEATS FOR FOREIGN OBJ EC TS AND WEAR REPLAC E IF NEC ESSARY Kerr 335 KT 3400PT Piston Type Pump Required Kerr KT 3350PT KT 3400PT Piston Type Pump Required DY KT 21 000 JConnecting Rod Insert Bushing Std KT 21 015 JGonnecting Rod Insert Bushing 015 ____________ KT 212. KT 140LH Bracket Oil Water Pumps Left Hand Drive 1 111 NNNM KT 140RH 1 1 Bracket Oil and Water Pumps Right Hand Drive 2 KA KT 149 700101 Oi Pump 1 2 Cast Iron KA KT 15011 JSheave Oil PUMP _ ccce cem eem cemcnnccc KT 155 1 Belt Oil Pump L 160 Oi Manifold __ KAKP KI 160 1 __ 51 1_____ Oil Manifold 90 Degree Elbow ____ aaau KAKP KT 160 2 1_____ 90 Degree Tube Fitting 1 2 Supplied with hose U 2 a 1 1603 JMale Pipe Rigid 1 4 x 1 8 Supplied with hose 2 1604 1 _ 1 JOIl Manifold Plug U cem eec cccoc KOR 160 5 Crosshead Oil Injector 0000000 n 160 6 JFitting Female Swivel Supplied with hose 2 KA KT 161 1 JOilManifold Gasket KT 1654 1 0 Line Pump to Manifold ccc eccccc P KT 170 1 JOIILine Pump to Oil Sump 0 KT 179 2 10 Line Manifold to Bearing Housing 1 KT 176 Oil Line Manifold to Planetary Gear 0 med KA KT 180 Line Manifold to Crosshead n KT 1 JPiston Chamber Spray Unit Complete KT 190 1 Piston Chamber Cover Kerr KT 3350PT KT 3400PT Piston Type Pump Required ee 1903 4 _ JWater Manifold Oll Manifold Bolt U U 190 4 1 Water Manifold 90 Degree eeeeeee
3. m re uw xs Volumes indicated are based on 100 Volumetric Efficiency Technical Notes Horsepower required based on 90 Mechanical Efficiency 3 Ratings are nominal speeds and pressures They may vary with Kerr Pumps written approval Kerr KT 3400P T 4000 SPECIFICATIONS No of Pistons 3 Stroke Length 4 000 Crankshaft Extension Dia 2 15 16 Keyway 3 4 x 3 8 or Splined for Hyd Drive gt NPT Oil Capacity 16 Quarts or DISC E 15 4 Liters Pump Weight 1200 Pounds Connections 3 FNPT Suction d REN 8 2 FNPT Dischrg 6 0 4 75 8 5 gt 3 NPT Std Material for Fluid End SUCTION Ductile Iron 8 45 75 GENERAL DIMENSIONS FOR KT 3350PT FEATURES Heat Treated and Stress Relieved Crankshaft Optional 8 Point Pressurized Crankcase Lubrication System Optional Splined Crankshaft Designed to Bolt to Existing Hydraulic Drive High Strength Heat Treated Connecting Rods with Replaceable Bearings High Speed High Torque Tapered Roller Bearing Continuous Duty Cycle Optional Cooling System Engineered to Extend the Life of the Pistons and Liners New Longer Life Heat Treated and Hardened Polyurethane Insert
4. odes esses sed 12 Parts amp Service Manual 29 Kerr KT 3350PT KT 3400PT Piston Pump Kerr Pump Corporation Post Office Box 735 2214 West 14th Street Sulphur Oklahoma 73086 Phone 580 622 4207 Fax 580 622 4206 Website www kerrpumps com Email kerrpumps kerrpumps com United States and Canada 800 441 8149 KERR PUMPS SERVICE MANUAL HDD EDITION 1 2 3 4 NEW PUMP WARRANTY KERR MACHINE COMPANY Kerr Pumps warrants its new HDD pumps to be free from defective materials and or workmanship for 1000 HOURS OR ONE 1 YEAR whichever comes first from date of sale by distributor provided that the new pump is registered in accordance with Paragraph No 2 hereof properly installed and operated in accordance with the Company s Service Manual and all other terms of this warranty agreement are complied with by the purchaser As hereinafter provided this warranty includes the replacement of parts and labor to correct any deficiency All defective parts must be returned to the Company s Home Office for examination before this warranty is effective This warranty applies to parts which have been replaced under this warranty only so long as the original pump warranty 1s effective This warranty is for the exclusive benefit of the purchaser and 15 not transferable Each Distributor of anew KERR PUMP will provide the customer with a registration blank furnished to him by the Company which must state t
5. UNC Nut KT 191 1 1 1 Chamber Cover Gasket 00000002 ee 192 1 JPiston Chamber Cover Inspection Glass _________ 195_________ ____1____ ___________________________________________ 197 1 Water Pump Repair Kit Nitrile Kerr KT 3350PT KT 3400PT Piston Le KT 00 320 1 JSheave Water Pump 3 2 U cc cc c ccc ccc LL KT 200 260 1 1 Water Pump 2 6 1 ccccccccccccccccc KT 200 175 1 175 444242422222 KT 205 041 1 JBelt Water Pump 41 Ia KT 205 039 1 Belt Water Pump AYY h O O a KT 205 037 1 1 Belt Water Pump KE s KT 205 035 1 Belt Water Pump A35 1 10 141 Water Manifold R k k k 2 222222222 KT 215 1 Line Water Pump to Manifold I l KA KM KP KT 216 1 3 8 Quick Connect U ccc cc c cccccc ccr KT 220 1 Line Water Pump to Supply Tank 225 3 JLine Water Manifold to Piston Cover 1 230 1 JSheave Crankshaft Drive to Pumps 2309 d 1 1 Sheave Bushing ____________________________________________ KT 235LH_ 1 Belt Guard Pump Drive Left Hand Drive ee KT 235RH 1 Guard Pump Drive Ri
6. 3 Rod Splash Guard 1 1 JFluid End Vessel Ony ___ ws KA KT 34 3 TopCoverCap MM KA KT 35 3 Cover Cap __________________________________ 36 22 Cover Cap Stud KA KT 36B_ 2 Cover Cap BracketStud U NENNEN KA KT 37 24 CoverCapStudNut ___KA KT 38 6 CoverCapO Ring ww 52L Spring Discharge Long 525 Spring Suction Short 00 8299861898 KA KT 59 10 End Liner Retainer Stud G h KA KT 59T 2 Fluid End Liner Retainer Alignment Stud __ KA KT 60 24 Fluid End Liner Retainer Stud Nut 68 1_____ Valve Puller Wing Type 2222 MG AP 71 1 AP 72 3 Oil Level Plug AJ A EX EE KT 71PT 1 KT 3350PT Rebuild Gasket Kit Complete T KT 072HT 3 Discharge Valve Heat Treated A R with Insert 16 KT 073HT 3 Suction Valve Heat Treated A R with Inset O74HT 6 Valve Seat Heat Treated KATZ 6 Abrasive Resistant Valve Insert 7 KT 1206 1 Grankshaft Splined Hydraulic Drive 40 Tooth Spline TT KT 108 1 Crankshaft Splined Hydraulic Drive 21 Tooth Spline T KT 120 8 400PT 1 Crankshaft Spline
7. 1 Crankshaft Heat Treated for 3400 KT 3 0 1 Crankshaft Oil Seal pd KT 4 1 BearingHousing Blind Side DEED KT 4 400 1 BearingHousing Blind Side CKAKBKCPXKP KSB un Waaa w w KT 6 9 Bearing Housing Capscrews CKAXBEKCPXP KSBO 770000 KT 6B 3 Housing Capscrews2 U U b KT 7 2 Housing Gaskets _ 7 400 2 Housing Gaskets U U 2222222 KT 8 005 1 Main Bearing Adjusting Shims 005 KT 8 005 400 Main Bearing Adjusting Shims 005 KT 8 010 Bearing Adjusting Shims 010 0000000 KI KT 8 010 400 JMain Bearing Adjusting Shims 010 I 008 KT 8 015 JMain Bearing Adjusting Shims 015 KT 8 015 400 Main Bearing Adjusting Shims 150000000002 ee K B KSB KT 9 2 Main Bearings 2 S eae KT 10 1 PanCover 4 KT 11 14 Pan Cover Capscrews 2 1 JPanCoverGasket 0000000 16 1 JBreather Cap Oil Filler AP 16 5 1 JBreather Cap Filer Tube k O O O O 3 JCrossnead 000000 KA KT 17T 1 3 Crosshead Tapered NENNEN KA KT 18 KA KT 18A
8. EE 215 Line Water Pump to Manifold aa AKM KPKT 218 JU 14448 Quick Connect AA KT 220 ____ Line Water Pump to Supply KO IR tco KT 225 3 Line Water Manifold to Piston Cover 1 SAKP KT 230 1 1 JSheave Crankshaft Drive to Pumps 777770 KT 2809 1 1 JSheave KT 235LH 2 2 2 Guard Pump Drive Left Hand Drive sat 1 1 Belt Guard Pump Drive Right Hand Drive 2 SAKP KT 235 17 1 2 1420 UNC x 11 4 Capserew U mem SAKP KT 235 19 Jl 24 4 Flat Washer 235 21 2 13 8 16 UNC x 1 1 4 Kerr KT 3350PT KT 3400PT Piston Type Pump Required SAKP KT 235 23 1 2428 Lock Washer oorr KT 239 24 1 1 2 989 16 UNG Hex Head Nut cecnnneeeneeeee SAKP KT 235 27 1 2 49 8716 UNC x 3 8 Setscrew mem SAKP KT 29531 0 2 SAE JIC Male Connector 1 4 x 1 8 _________________ SAKP KT 235 32 1 1 190 Degree Tube Fitting 1 4 Supplied with hose U 239 90 ____ 1 jRotationLabel mm KAKI 245 300 J 3 __ __________ 245 350 3 JPiston Complete 31 87 l i 245 400 Piston Complete _ _____________ KT 246 01 3 JPiston O RING AR 248 __ 1 JPiston Snap Ring Installation PTEE TAT KA KT 250 300 3 JPiston
9. pA lt A es me 55 Ys SS N TT lt n G 2 s 0 KT 52L LONG SPRING NN m KT 22 ASX lt J KT 32PT KA 72HT 21 000 DISC HARGE KT 260 KT 26 KT 280 KT 1 24 77 4 REMOVE PISTON amp LINER SEAT 7 ORD ER TO SERVICE NE TROUBLESHOOTING GUIDE for Kerr Pump BEC MARE 1 CHEC K FOR LEAKING PISTONS VALVE ASSEMBLY REPLACE IF NEC ESSARY 2 CHECK FOR PRO PER FLUID FLOW TO PUMP MINIMUM REQUIREMENT 3 SUC TION HOSE NO MORE THAN 50 LONG WITH 30 PSI OF CONTINUOUS PRESSURE FEEDING PUMP 3 REMOVE VALVE COVER CAPS AND INSPECTVALVES amp VALVE SEATS FOR FOREIGN OBJ EC TS AND WEAR PACKING GLAND REPLACE IF NEC ESSARY ASSEMBLY INSERT 3350 3400 VALVE ASSEMBLY KT 126FE KT 38 KT 34D KT 34D KT 52L LONG SPRING KA 72HT DISC HARG E VAVLE INSERT KA 74HT SEAT KT 300HT DISC HARG E VALVE ASSEMBLY KT 52S SHO RT SPRING KT 73HT SUCTION VALVE INSERT KT 74 SEAT KT 305HT SUC TION VALVE ASSEMBLY KI 250 290 KT 200 m aa I g P C 1 SS KT 30 gt I ENTTT Ke lt m Yr Z M ON
10. s __________________ 1 1606 _ ONE 3_____ Fitting Female Swivel Supplied with hose U UU KA KT 161 1 Oil Manifold Gasket essc cccccLc IM 1 JOil Line Pump to Oil Manifold NENNEN KT 170 1 Line Pump to Oil Sump 00000 PAGNA ET KT 175 1 2 JOil Line Manifold to Bearing Housing 000000 s KT 176 1 OilLine Manifold to Planetary Gear Lenses KA KT 180 1 311 Oil Line Manifold to Crosshead __________________________ KT 190A 1 Chamber Spray Unit Complete KT 190 1 1 JPiston Chamber Cover 0 NENNEN KA KM KP KT 190 2 1 JjWaterManifold Plug 11110000 l 190 3 4 JWater Manifold Oil Manifold Bolt U 190 4 1 Water Manifold 90 Degree Fitting 0000 _________ 190 5 1 Water Manifold Quick Coupling 00000000 1908 2 Chamber Cover Inspection Glass Wing Nut 1909 1 2 Chamber Cover Inspection Glass Capscrew 0 2 190101 2 JPiston Chamber Cover Wing Nut __________ 190 11_____ __ 2 JPiston Chamber Cover Setscrew 00000000 190 12 3 Fitting Water Jet 00000000 NAME KA KM KP KT 19013 4 4 Lock Washer U 2222 19014 4
11. 3 Wrist Pin Bushing 00 ws KA KT 19 Wrist Pin Set Screws amp Nut U KT 20 3 JConnecting Rod Inserted Both Enos U KT 20A 3 Connecting Rod Only No Inserts Requires inserts both ends KT 21 000 3 JConnecting Rod Insert Bushing Std KT 21 015 3 6 0 Rod Insert Bushing 015 1111 KT 21 030 3 JConnecting Rod Insert Bushing 030 U U KA KT 21 045 3 Connecting Rod Insert Bushing 045 21 060 3 Connecting Rod Insert Bushing 060 Kerr KT 3350PT KT 3400PT Piston RS KT 24 6 Rod Shims Laminated 2222 ane KA KT 26 1 23 Pony Rod Packing Gland 2 3 Rod Gland Assembly Pony Rod Snap Ring Seals ee KAKT 26G 3 JPonv Rod Gland Gasket s 1000000000 269 400 6 JPonv Rod Gland Gasket A KT 268 2 Pony Rod Gland Snap Ring KA KT 200M 3 JPonv Rod Gland Snap Ring for KA KT 29 Seal Kit EH ERN K ae BED Gland Assembly Pony Rod Gland Snap Ring 2 Seals amp 1 L KAKT 28 365 Pony Rod Seal 4 Seals per Se 11 KA KT 29 11 3 Rod Seal Kit 2 Seals amp 1 Wiper per Set KA KT 30 12 Rod Packing GlandCapscrews U 2
12. RECOMMENDED INSTALLATION OF KERR PUMPS FOR BEST RESULTS PRESSURE RELIEF VALVE OPTIONAL BY PASSED FLUID SHOULD BE PIPED BACK IN SUCTION SUPPLY TANK WHEN POSSIBLE USE FLEXIBLE HOSE IN DISCHARGE LINE WHEN POSSIBLE DISCHARGE SHUT OFF VALVE OPTIONAL USED FOR TOTAL SHUT DOWN OR SERVICE ONLY DISCHARGE AND SUCTION ON EITHER SIDE OF FLUID END ON ALL MODELS F PULSATION DAMPENERS MAY BE USED IN EITHER THE SUCTION OR DISCHARGE PIPING OR BOTH DISCHARGE DAMPENERS SHOULD BE CAPABLE OF HANDLING PUMP DISCHARGE MAXIMUM PRESSURE to INSTALL PUMP AS CLOSE VO SUITABLE FALL OPENING VALVE TANIK AS POSSIBLI AS A GENERAL RULE FLUID LEVEL MUST BE HIGHER THAN THE PUMP FLUID END AS PLUNGER PUMPS CANNOT LIFT FLUID ABOUT 10 FEET OF HEAD IS A GOOD RULE OF THUMB CAUTION SHOULD BE TAKEN TO KEEP FITTINGS OUT OF THE SUCTION AND DISCHARGE PIPING AS THESE WILL RESULT IN POOR PERFORMANCE EACH 90 DEGREE TURN IN THESE LINES RESULTS IN GREAT LOSS OF PUMPING EFFICIENCY PREVENTIVE MAINTENANCE DAILY 1 Check crankcase oil level Synthetic Lubricant AGMA Grade ASTM D 2422 4 EP SAW Viscosity Grade J306 8 75W 90 ISO Viscosity Grade 150 Viscosity in SSU 100 F 625 765 CAPACITIES APPROXIMATE detergent motor oil x 1 6300 2445 2 2 If pump has lubricating facilities for stuffing boxes check level of lubricant Maintain packing gland tension on packing Do n
13. 080 3 JGonnecting Rod Insert Bushing 030 22 2 2222 0 KT 21 045 S Connecting Rod Insert Bushing 045 2229999999 KT 21 060 Connecting Rod Insert Bushing 060 s A KA KT 22 6 Rod Capscrew _ je sss KT 24 6 JGonnecting Rod Shims Laminated 2 KA KT 261 3 __ Rod Packing Gland 00 KA KT 26A 3 JPonv Rod Gland Assembly Pony Rod Snap Ring Seals _ _ KA KT 26G 3 JPonv Rod Gland Gasket NENNEN KAKTI 266 400 6 Rod Gland Gasket 2 22 KA KT 26877713 Gland Snap Ring _ ___________________ 28 S Rod Seal 4 Seals per Set n KA RT 80 12 JPonv Rod Packing Gland Capscrews 2 3 JPonv Rod Splash Guard cccccccc 22 KT 33 11 End Vessel Only __ ____ ec emm ec cc cemncn VETE Masa 34 PED MES T KA KT 3513 End Cover Cap KA KT 96 22 Cover Cap Stud U ______________________________ KA KT 36B 1 22 Bracket Stud pit 37 24 Cover Cap Stud Nut 0 22222 KA KT 38 6 Ring KPKT 521 3 Spring Discharge Long ___ 2 KP RT 528 __ 3 Valve Spring Suction Short KA KT 591 10 JFluid End Liner Retainer Stud _ KA KT S9T 1 2
14. KA KT 250 350 3 Piston Body Only 8 1 2 L 250 350 400 3 JPiston Body Only 3 1 2 cece KA KT 250 400 S Piston Body Only 47 250 400 400 Piston 260 300 S Piston Cup Kit cup retainer plate snap ring 260 350 3 Piston Cup Kit 1 2 retainer plate snap ring AKT 260 400 3 L Piston Cup Kit 4 cup retainer plate snap mE 265 Piston Extension 3_____ Piston Extension Rod Lock Nut e 275 dS Rod Piston Pump Type Lal 276 installation Tool tor Pony Rod Seals 2771 JPonv Rod Installation 280 5 Clamp Pony Rod to Piston Rod A 285 3000H 3 JLiner 3 Chrome 0 o KT 285 300CER J 3 __ JLiner 3 Ceramic U U 2 85 350 3 JLiner 3 1 2 Chrome avv KT 285 350CER jLiner 3 1 2 Ceramic U KT 285 400CH 3 Liner 4 Chrome Kerr KT 3350PT KT 3400PT Piston Type Pump KA KT 295 KT 305 A R Suction Valve Complete KT 73HT KA KT 74HT amp 52S KA KT 320 Spline Adapter 21 40 3400 part numbers Kerr KT 3350PT KT 3400PT Piston Type 1 Pump Case KT 1 400PT 1 Pump Case d KT 2 1 GrankshaftHeat Treated KT 2 400
15. brass bar and hammer to seat the valve seat In the fluid end valve bore Replace the valve spring and cover cap after inspecting the spring and the seal of the cover cap B Suction Valves The suction valves are located in the chamber directly behind the suction or end valve cover caps The suction valves are serviced in the identical manner as the discharge valves Note Discharge valves must be removed prior to any removal of the suction valves Service Procedure for KZ 3150 Valves DISCHARGE VALVE The discharge valve and seat can be exposed by first removing the discharge valve cover plate Once the discharge cover has been removed you may lift out the discharge valve spring discharge valve and valve seat Once the valve and seat have been removed they should be replaced if badly worn To replace discharge valve first clean and inspect the seat bore for wash out defects and then drop the seat into the bore Replace valve in seat then valve spring and cover cap always inspecting o ring seals between seats and cover caps D SUCTION VALVE The suction valves are located in the chamber directly below the discharge valve seat The suction valves are serviced in the identical manner as the discharge valves 2 VALVES Disc type All disc type valves are exposed for removal in a similar manner as the wing guided valves Instead of removing the valve body the upper portion of the valve is removed by removal of the valve capscrew spring
16. warranty made within the first 250 hours KERR PUMPS before any repairs are made shall be contacted by the Distributor and given the option of having the Distributor either repair or replace the pump Upon any claim under this warranty other than a claim wherein KERR PUMPS at its option replaced the pump as provided in Paragraph No 5 hereof the Distributor will make the necessary repairs an or replacement and KERR PUMPS shall allow the cost of labor on warranty claims The labor cost may include travel time not to exceed 8 hours of actual travel time KERR PUMPS will pay surface freight on warranty shipments After making the necessary repairs and or replacements the Distributor will bill the customer for the full amount due for the repair Thereafter the Distributor will submit the warranty claim form provided by KERR PUMPS to the KERR PUMPS Home Office for consideration In the event the warranty claim is honored by KERR PUMPS a Credit Memorandum will be issued to the Distributor in the amount determined by the table in Paragraph No 4 hereof Thereafter the customer s invoice will be credited by the Distributor in the same percentage allowed the Distributor by KERR PUMPS If requested by KERR PUMPS the purchaser or the Distributor shall return the alleged defective product to KERR PUMPS factory freight prepaid for examination and testing If KERR PUMPS determines the product is defective KERR PUMPS will either repair or replace such product w
17. E ASSEMBLY 335 3000 SPECIFICATIONS No of Pistons 3 Stroke Length 3 500 Crankshaft Extension Dia 2 15 16 Keyway 3 4 x 3 8 or Splined for Hyd Drive Oil Capacity 16 Quarts or 15 4 Liters Pump Weight 1200 Pounds Connections Ti 3 FNPT Suction 3 8 i mca 2 FNPT Dischrg O IESE 8 5 2 NPT Std Material for Fluid End SUC TION 4875 Ductile Iron GENERAL DIMENSIONS FOR KI 3350PT FEATURES Triplex Design Heat Treated and Stress Relieved Crankshaft Optional 8 Point Pressurized Crankcase Lubrication System Optional Splined Crankshaft Designed to Bolt to Existing Hydraulic Drive High Strength Heat Treated Connecting Rods with Replaceable Bearings High Speed High Torque Tapered Roller Bearing Continuous Duty Cycle Optional Cooling System Engineered to Extend the Life of the Pistons and Liners New Longer Life Heat Treated and Hardened Polyurethane Inserted Valves and Seats Piston nnd DIA PER a EE Ed Ed EE ene a eo a x e z sI s w Volumes indicated are based on 100 Volumetric Efficiency Technical Notes Horsepower required based on 90 Mechanical Efficiency 3 M Ratings are nomi
18. JFluid End Liner Retainer Alignment Stud 2 KA KT 60 24 Fluid End Liner Retainer Stud Nut 1 JValve Puller Wing Type recor AP T3 Plug aaoo lt AP 72 JOIl Level KT 71PT 1 KT 3350PT Rebuild Gasket Kit Complete KT 072HT 3 Discharge Valve Heat Treated A R with Insert Kerr KT 3350PT KT 3400PT Piston Type Pump Required KA KT 074HT 6 JValve Seat Heat Treated APR PEE KA KT 77 7 6 JAbrasive Resistant Valve Insert DL ox KI 120 6 JCrankshatt Splined Hydraulic Drive 40 Tooth Spline KT 1208 1 Crankshaft Splined Hydraulic Drive 21 Tooth Spline 2 2 120 8 400PT 1 JCrankshatt Splined Hydraulic Drive 21 Tooth Spline AT 1 125 6______ ___1____ Housing Hydraulic Drive 6 1 TED KT 125 8 1 JBearing Housing Hydraulic Drive 8 reecccccc HEN 125 8 400PT 1 JBearing Housing Hydraulic Drive 8 1 KT 1268 1 JBearing Cap Lifting Eye ccc KA KT 126FE 1 End Lifting Eye KA KT 127 1 f 8 Auburn Housing Gasket KT 130 ___________ _____ 1_____ Bearing Housing Extension Shaft Side KT 190 400PT 1 JBearing Housing Extension Shaft Side amp eee AP _135_____________J______1_____ Oil Seal Bearing Housing Extension Shaft
19. MUST BE PROPERLY USED INCORRECT BEARING ADJ USIMENTMAY RESULT REDUCED BEARING LIFE Kem Pumps REC O M M ENDS BETWEEN 000 005 OF INTERNAL AXIAL CLEARANCE END PLAY OR SIDE TO SDE WHEN ASSEMBLED FINAL ADJ USIMENT 000 005 SHAFT END PLAY INSURE THE CONNEC TING RODS ARE DISCONNEC TED IO ALLOW FREE CRANKSHAFTMO TION s UNE T lt ELE lx ho 7 BS ma LY I IA 7 X _ l ZZZ Nic yyy 22 20 IN EXCESSIVE NOISE TEMPERA TURE AND MUST BE MADE USING DIAL INDICATOR 2 KF3350PT KT 3400PT TORQUE SPECIHCATIONS BB b k AW 7 2 o TORQUE SPECIHCATIONS 1 PANCOVERCAPSCREW 21 ft Ib 28 Nm 3 BEARING HOUSING CAPSCREW 75 ft lb 102 Nm PONY ROD PACKING GLAND CAPSCREW 50 ft Ib 68 Nm 9 PISTON EXTENSION ROD SELF LO CKING NUTI 500 ft lb 678 Nm PONY ROD 1000 ft lb 1356 Nm NO TE WHEN USING LUBRICANTS REDUCE TORQUE AS FOLLOWS WHITE LEA D REDUCE TORQUE 25 OIL REDUCE TORQUE 40 ANTI SEIZE COMPOUND REDUCE TORQUE 45 165 235 BACK PLATE MOVED SHO W BELTS KT 145 Kl 126FE KT 19 KT 38 KT 33D KT 34D KT 175 X fn 00 dm KT 12 KT 170 SS S v Ly Y Yi LM ey NS Uy SS
20. Puller through 5 Hold Puller Stem from turning 6 Remove Valve Seat from Puller valve seat with eccentric offset to Rotate large nut until seat releases Spacer on Puller may need to be engage valve seat NOTE Puller stud removed when pulling Suction Valve may be removed when pulling Seats Remove remaining valves wing guided valve seats INSTRUCTIONS FOR CHANGING WING GUIDED VALVES cont 8 To Install Suction Valve amp Seat Use metal rod to drive valve seat insert Valve Seat and Valve Body assembly into seating area using through End Port several firm but not heavy blows with a hammer 10 Install Discharge Valves after Suction 11 Install Cover Caps and torque Cover Valves have been installed always be Plate capscrews to Kerr Pump Specs sure short springs are on Suction Valve and Long Spring on Discharge Valves DESCRIPTION FLUID END VESSEL ONLY SUCTION VALVE HEAT TREATED A R WITH INSERT 6 77 ABRASIVE RESISTANT VALVE INSERT DISC E VALVE HEATTREATED WITH INSERT 3 KA KT 34D TOP COVER CAP DUCTILE VALVE SPRING DISCHARGE LONG VALVE SPRING SUCTION SHORT 6 KA KT074HT SEAT HEATTREATED A R 6 KA KT383 COVER CAP O RING COVER CAP STUD COVER CAP STUD NUT FLUID END LIFTING EYE COVER CAP BRACKET STUD 1 LUID END DRAIN PLUG ND COVER CAP DUCTILE 1 1 12 1 4 1 2 3 5 7 0 1 3 5 ITEM NO JQTV JPARTNO DESCRIPTION DISC HA
21. RGE VALVE HEAT TREATED A R WITH INSERT ABRASIVE RESISTANT VALVE INSERT VALVE SEAT HEAT TREATED A R 1 VALVE SPRING DISC HARGE LONG QTY 4 525 VALVE SPRING SUCTION SHORT FLUID END ASSEMBLEY DRAWING KT 305 3 1 KF130 7 HOUSING EXTENSION SHAFT 0 4 1 195 WATERPUMP BRONZ O 5 1 KA KP KF145 172 0 0 O 7 1 230 7 JSHEAVE CRANKSHAFTDRIVETO PUMPS 1 4 LOCK WASHER 24 2 KA KP KT 235 24 25 2 2 2 2 3 3 3 3 PUMP DRIVE ASSEMBLY 3 1KF260 JPISONEXIENSONROD 4 1 270 EXTENSION ROD LOCK NUT 205 1 1 1 IJKA KT 290 350 JLINER RETAINER sd 6 1JKA KT245 350 PISTON COMPLETE3 1 2 x 8 1 295_ JLINERGASKET x 91 1 2 JPONVRODSPLASHGUARD PISTON PISTON CUP 1 SIO SSEMBI RAW PI NA NG STUD SEQUENCE STUD REQ UIREM EN TS 10 KI 59 FLUID END LINER RETAINER STUDS 2 KT 59T FLUID END LINER RETAINER LINEUP STUDS i 11 7 a mm mm aI rL LINEUP STUD KT 3350PT FLUID END POWER FRAME 3 STUD TORQUE SPEC 130 FTLB LINEUP STUD Z m d lt A ETE C amp TNT Yo J J WHEN ADJ USTING THE ENDPLAY OF THE TAPERED ROLLER BEARINGS USED ON THE CRANKSHAFT DIAL INDICATORS AND SHIMS
22. d Hydraulic Drive 21 Tooth Spine KT 125 1 Bearing Housing HydrauicDrive 6 T KT 1258 1 Bearing Housing Hydraulic Drive 8 poe TUE KT 125 8 400PT 1 Bearing Housing Hydraulic Drive 8 337 Kerr KT 3350PT KT 3400PT Piston KAKI 126FE ___ 1 Fluid Lifting Eye kO MAK 127 141 8 Auburn Housing Gasket 2 ae 130 1 563 0 Housing Extension Shaft Side DENEN KT 130 400PT 1 JBearing Housing Extension Shaft Side Le AP 132 1 Extension Shaft UU 002222 AP 135 1 JOil Seal Bearing Housing Extension Shaft ____ KT 140 1 1 Bracket Oil and Water Pumps Left Hand Drive n KT 140RH 1 Oil and Water Pumps Right Hand Drive 145 1 Pump 1 2 Castlron eee KAKI 150 14 Sheave Qil Pump ccc ccc cccccccc KT 155 1 Belt Oil Pump ______________ 1601 1_____ Oil Manifold 90 Degree Elbow ______________ 1602 11 90 Degree Tube Fitting 1 2 Supplied with hose 1 160 3 3 1 Male Pipe Rigid 1 4 x 1 8 Supplied with hose ______________ 160 4 1 4 Oil Manifold Plug ccc ccc ccc ccccc Lc KA KT 1605 cos 3 Crosshead Oil Injector
23. d some slight force may be used to pass plunger through the packing Always retighten the plunger and pony rod union periodically following the removal of the plunger to insure it 1s securely made up and will not vibrate loose 5 PLUNGER PACKING This manual includes illustrations of the packing sets for each model pump Generally once the plunger has been removed from the pump the packing can be exposed for removal by completely removing whatever device is used to tighten the packing 1 6 the packing or stuffing box nut or gland There will be various amounts of metal rings and packing components depending upon the type of packing and the model of pump refer to appropriate illustration or chart After the removal of all rings and equipment from the stuffing box thoroughly clean it and inspect for damage which might keep the new packing from working properly If the stuffing box 15 in satisfactory condition install the new packing as per the appropriate illustration It is a good idea to lubricate new packing with a light oil prior to installation Most of the standard packing used in Kerr Pumps should be tightened with the original equipment packing wrench while the pump is running under normal operating pressure After two or three hour run in check the packing for tightness and re adjust as necessary Packing should be checked for tightness on a periodic basis but it is not a good idea to attempt to periodically tighten the packing as part of
24. ed Valves and Seats Reno Et Bana i EE w xe om Volumes indicated are based 100 Volumetric Efficiency Technical Notes Horsepower required based 90 Mechanical Efficiency 3 Ratings are nominal speeds and pressures They may vary with Kerr Pumps written approval AP 77T VALVE INSERT TOOL How To Put Inserts In Valves Using Kerr Valve Insert Tool 1 Push Valve Insert over 3 Holding Valve valve legs Hint Insert insert down with will be more pliable if 2 Put Tool between thumb heated first warm to the valve and valve touch not hot insert with groove against valve 4 While holding valve down 5 Continue rotating around with thumb rotate around valve with tool until insert is valve with tool Similar to completelv in groove mounting a tire on a rim INSTALLATION TOOL FOR PONY ROD SEAL 1 276 PONY ROD INSTALLATION WRENCH KA KT 277 HAMMER NOTINCLUDED WITH INSTALLATION TOOL MAKE SURE SNAP RING SNAPS IN GROOVE PLACE TAPERED PLUG 3 ON PISTON HEAD 5 SLIDE SNAP RING 2 ONTO TOOL TAPERED PLUG USE SNAP KA KT 248 RING TOOL BODY 1 TO SEAT PISTON SNAP RING SNAP RING IN PISTON HEAD INSTALLATION TOOL GROOVE 4 68 WING VALVE PULLER INSTRUCTIONS FOR CHANGING WING GUIDED VALVES Insert Kerr Valve Seat
25. eeeeeecccemceccs 1905 1 ____ Water Manifold Quick Coupling 1908 ________ 2 Piston Chamber Cover Inspection Glass Wing Nut 1909 2 JPiston Chamber Cover Inspection Glass Capscrew 0 SAKP KT 190 10 2 Piston Chamber Cover Wing Nut KT 19011 4 Piston Chamber Cover 190 12 Fitting Water Jet 19013 _ _ 4 4 Lock Washer m 190 14 14 Nt KT 19141 1 Chamber Cover Gasket U I aa 2 Mo 192 _ 1 Piston Chamber Cover Inspection Glass __________ 199 Jl 1 JWater Pump Bronze AI LU G m Lia Pump Repair KT 200 520 1 JSheave Water Pump 5 2 KT 200 3201 1__ Water Pump 82 77777 KT 200 260 1 JSheave Water Pump 2 67 KT 200 175 1 Water Pump 1 5 WWW KT 209 041 1 Belt Water Pump A4T ccce eee cce KT 205 039 ___ Water Pump 39 o ooovvvrrrrrrrrrrrrrrrrrrrn n 205 087 1 Belt Water Pump 37 ovv A ences eee KAKE 210 1 Water Manifold
26. etric Efficiency Technical Notes Horsepower required based on 90 Mechanical Efficiency 3 Ratings are nominal speeds and pressures They may vary with Kerr Pumps written approval Kerr KT 3350P T 4000 SPECIFICATIONS No of Pistons 3 Stroke Length 3 500 Crankshaft Extension Dia 2 15 16 Keyway 3 4 x 3 8 or Splined for Hyd Drive Oil Capacity 16 Quarts or 15 4 Liters Pump Weight 1200 Pounds V I ES Connections z 3 Suction d 1 2 FNPT Dischrg 6 0 Mata ac 4 75 i is 7 Std Material for Fluid End 8 5 PT 45 75 SUCTION Ductile Iron GENERAL DIMENSIONS FOR KI 3350PT FEATURES Heat Treated and Stress Relieved Crankshaft Optional 8 Point Pressurized Crankcase Lubrication System Optional Splined Crankshaft Designed to Bolt to Existing Hydraulic Drive High Strength Heat Treated Connecting Rods with Replaceable Bearings High Speed High Torque Tapered Roller Bearing Continuous Duty Cycle Optional Cooling System Engineered to Extend the Life of the Pistons and Liners New Longer Life Heat Treated and Hardened Polyurethane Inserted Valves and Seats Exod L ee ee Est Poe ned
27. ght Hand Drive ____________ 235 17 2 1 4 20 UNC x 1 1 4 Capscrew 2 285 319 2____ 1 4 __________________________________________________ ______________ 235 21 2 SO ______________ 285 22 2 13 8 Hat Washer scc ccc c ccc cL ccc ccn 3 285 23 2 3 9 Lock Washer l l c c LLL LLL oL LLLIL ______________ 285 24 2 3 8 16 UNO Head Nut ______________ 235 27 2 3 8 16 UNC x 3 8 Setscrew 00000000 ______________ 285 31 2 1 SAE JIC Male Connector 1 4 x 1 8 ooa 3 235 32 1 90 Degree Tube Fitting 1 4 Supplied with hose amp amp ______________ 285 90 1 1 JRotationlabel __________________ 1 245 300____ 3 JPiston Complete 1 o 245 350 L 3 JPiston Complete 3 1 2 U ccc ccc ccccccccc L 245 400 1 3 JPiston Complete 4 246 5 3 Piston Ring 222222221 KA KT 248 1 JPiston Snap Ring Installation Tool I U 1 KA KT 250 300 JPiston Body k h O 250 350 Piston Body Only 31 2770 00000000 250 350 400 3 JPiston Body Only 3 1 2 00000000 nee 250 400 JPiston Bod
28. he date of sale be signed by the purchaser and the Distributor and delivered to the Home Office of the Company within fifteen 15 days of the date of sale In the event of a claim under this warranty made within the 1000 HOUR warranty period the purchaser must notify the Distributor and the Distributor shall contact KERR PUMPS before any repairs or service calls are made All warranty claims must be sent to Kerr Pumps Home Office on the authorized warranty claim form provided by Kerr Pumps and available from the Distributor before any warranty claim will be considered It is understood that Kerr Pumps will deteriorate due to ordinary wear therefore the following credits shall apply to all replacement parts labor surface freight travel time and mileage allowance furnished under this warranty FOR 1000 HOUR CLAIMS For the first 250 hours 100 credit will be allowed on a current list price basis From 251 hours 10 500 hours 75 credit will be allowed on a current list price basis From 501 hours to 750 hours 50 credit will be allowed on a current list price basis From 751 hours to 1000 hours 25 credit will be allowed on a current list price basis OOS 3 6 7 8 The credit given to the Distributor for replacement parts or pumps under this warranty is based upon the Distributor s net cost paid Kerr Pumps for such replacement parts or pumps In the event of a warranty claim under this
29. here 1s some form of fluid seal between the power end and the fluid end This 15 false The fluid end 15 merely bolted to the power frame It can be removed by breaking the plunger connection backing off the packing nut or gland removing the various fluid end bolts and sliding the entire fluid end off the power frame Corrosion may tend to seize the two components together making their separation difficult in some isolated cases On models KP 3300 and KT 3350 the bolted in stuffing box assemblies must be removed prior to removal of the entire fluid end They are held in place by four studs each On all other units the stuffing boxes can be left intact On the remaining pumps with the exception KD 1250B KJ 2250B KM 3250B and KCP 6300 the stuffing boxes are held in place in the fluid end by a friction or press fit They should be removed with a hydraulic press if possible These press in type stuffing boxes carry a gasket and or an o ring to insure a good seal The boxes on the KD 1250B KJ 2250B KM 3250B and KCP 6300 are screw in type and carry only a copper gasket Ox Kerr Pump Maintenance Daily Weekly Monthly Quarterly Semi Annual Yearly Schedule for Piston Type PT or 8 Hrs or 40 Hrs or 200 Hrs or 500 Hrs or 1000 Hrs or 2000 Hrs Pumps Check Oil Level in Planetary Gear Visual Inspection Visual Inspection sevice 2 sa Visual Inspection Visual Inspection Visual Inspection Visual Inspection Vi
30. ith a like of KERR PUMPS manufacture f o b to the Distributor or allow the Distributor credit to an amount equal to the invoiced value of the defective product The responsibility of KERR PUMPS is limited to the repairing or replacing defective material manufactured by it provided KERR PUMPS examination discloses to its satisfaction that such material has not been altered or repaired other than by KERR PUMPS approved procedures subject to misuse improper maintenance negligence or accident KERR PUMPS will not be responsible for loss of liquid or for damage of any kind or from any cause to any person or property of any person or for loss of revenue of profit or for any other special incidental or consequential damages The warranty applies only to new KERR PUMPS The Company specifically excludes from this warranty the following A All pistons piston rubbers liners plungers valves plunger packing valve springs seals gaskets and corrosion and or erosion damage caused by the fluid handled by the Company s pump B In addition after the expiration of the pump warranty all replacement parts no longer warranty In extreme cases where in the opinion of KERR PUMPS if a pump has been misused or is being misused KERR PUMPS reserves the option to offer to redeem the pump from the purchaser Should the purchaser refuse to allow the pump to be redeemed and chooses to continue improper operation the warranty will be void 9 Any par
31. nal speeds and pressures They may vary with Kerr Pumps written approval Kerr KT 3350PT 3500 SPECIFICATIONS No of Pistons 3 Stroke Length 3 500 Crankshaft Extension Dia 2 15 16 Keyway 3 4 x 3 8 or Splined for Hyd Drive Oil Capacity 16 Quarts or 15 4 Liters 2 NPT 1 4 NPT DISCHARGE Pump Weight 1200 Pounds 20 6 Connections 3 FNPT Suction pa 8 2 FNPT Dischrg 1 0 U 475 69294 th 8530 Std Material for Fluid End SUC TION Ductile Iron m 45 75 GENERAL DIMENSIONS FOR KI 3350PT FEATURES 7 0 Triplex Design Heat Treated and Stress Relieved Crankshaft Optional 8 Point Pressurized Crankcase Lubrication System Optional Splined Crankshaft Designed to Bolt to Existing Hydraulic Drive High Strength Heat Treated Connecting Rods with Replaceable Bearings High Speed High Torque Tapered Roller Bearing Continuous Duty Cycle Optional Cooling System Engineered to Extend the Life of the Pistons and Liners New Longer Life Heat Treated and Hardened Polyurethane Inserted Valves and Seats Piston 2 e s lm gt L Volumes indicated are based on 100 Volum
32. ot over tighten Visually inspect pump for apparent trouble Keep the pump clean A MONTHLY Drain and refill crankcase Itis recommended that oil be changed after the first week of operation Wash 01 filler cap in kerosene Check valves for excessive wear broken or bent springs etc Check crankshaft bearings for endplay See section on crankshaft Keep all nuts studs etc tight Check valve covers for leaks Check all seals and gaskets for leaks da GENERAL Replace any work part before its eventual failure Use the following instructions for removal and replacement of parts Don t hesitate to call on Kerr Pumps for help if necessary SERVICE PROCEDURES ALL MODELS 1 VALVES Wing guided type A Discharge Valves The discharge valve and seat can be exposed by first removing the discharge valve cover cap Once the discharge cover cap has been removed you may lift out the discharge valve spring and the discharge valve The valve seat will be held in place by a taper fit and must be pulled with an appropriate valve pulling tool available from the Kerr Pumps Dealers Once the valve and seat have been removed they should be resurfaced or replaced if badly worn To replace the discharge valve first clean and inspect the seat bore for washout defects and then drop the seat into the bore Replace the valve into the seat and strike the top of the valve a couple of good blows utilizing a
33. oubt Excessively worn plungers Abnormal wear of fluid end parts Abrasive or corrosive fluid Abnormal wear of power end parts Lack of oil overload on pump foreign matter In oil Heat in power end A new pump will run hot for a short period 2 or 3 days Check above for persistent heating Pump will operate near 140 F under average conditions Check for air in pump by bleeding at cover caps Too much spring tension Reciprocating pumps have very limited pick up check installation section INSTALLATION INSTRUCTIONS SEE ILLUSTRATION The importance of proper installation cannot be overstressed As the reciprocating pump 15 almost unable to lift fluid proper suction flooding is a must This is the First step toward satisfactory operation The Kerr Pumps Engineering Service will gladly advise you in your installation problems As almost every installation varies you cannot exercise too much care in making certain your installation is proper Before Starting The Pump read carefully the maintenance section in the following pages To start the pump open the suction line valve and permit the intake chamber to fill on the pump Air may be bled off by opening the valve covers slightly until there is a constant fluid flow After bleeding open the discharge line valve and start the pump Roughness may occur from cavitation air In line or from starvation lack of fluid Eliminate these troubles before permitting continuous operation
34. retainer valve spring and valve spacer sleeve The valve seat 1s then pulled from the fluid end utilizing an authorized Kerr Valve Puller Note In all Kerr Pumps with disc type valves the discharge and suction valves are identical 3 VALVES Ball amp Seat In Kerr Pumps with block billet type fluid ends the valves are ball and seat design These are exposed for removal inspection by removal of the appropriate valve cover The flat seats are kept in place by a screw in valve retainer that can be best removed with a Kerr Valve Wrench made for the appropriate pump Springs are normally incorporated with the discharge valves while the suction valves operate with free ball A copper washer gasket 15 used under all valve seats for a seal When installing or removing a flat type valve seat a good rap on top of the valve wrench will seat unseat the seat and copper gasket prior final tightening or removal Failure to seat the valve seat in this manner can result in the washing out of the fluid end For pressurized suction valves will need to be spring loaded Call Kerr Pumps for this change 4 PLUNGERS Following the removal of the suction valve the plunger may be removed by breaking the union between the plunger and pony rod and forcing the plunger out the back of the fluid end Loosening the packing nut gland will facilitate the removal of the plunger The reverse of this procedure 15 used to install a plunger Lubrication an
35. ring of the crankshaft 1n the power frame housing Connecting Rod to Crankshaft fitting Factory bored connecting rods will normally fit the standard crankshaft journal just by bolting the cap on the rod with the standard rod shims being used If the caps do require adjustment this 1s accomplished by removing or adding various thicknesses of rod shims The standard connecting rod shim used on all Kerr Pumps is 1 32 thick and is comprised of 002 laminates which can be pealed off separately Proper fit of the connecting rod will allow the pump crankshaft to be rotated while not allowing in and out slack in the connecting rod along its long or main axis well fitted rod will have none of the in and out slack but should be free enough to be moved from side to side on the rod journal This insures the rod not being too tight point of caution when installing the connecting rod assembly in the pump 15 to make certain the oil holes in the rod are UP and not toward the bottom of the pump This will result in lubrication failure in these parts and the pump will fail in a short period of time An additionally important step 1s to make sure that the rod cap 1s bolted back on the rod as it came off The rod and cap carry a mark or number which allows you to match them back properly Failure to do this will cause the rod not to fit the journal for which it was made Power End Fluid End Connection A common misconception 1s that t
36. routine maintenance This tends to wear out the packing prematurely When the packing leaks in an excessive amount it should be replaced There is no value in constantly re tightening leaking packing If your pump is equipped with optional spring loaded packing there is no adjustment in this equipment during its operational life The stuffing box nut is initially tightened as much as possible and there is no further adjustment Note In all cases the spring goes in the stuffing box before the packing rings 10 When using the optional Kevlar or Teflon packing be sure to rotate the splits so that none are aligned to insure that the packing holds properly Normally this packing is not lubricated and requires less tension on the stuffing box nut during operation CAUTION An airtight seal is not desirable with this plunger packing Some slight dripage is desirable during operation Attempts to tighten packing until it completely seals off will result in premature failure from too much friction The Kevlar amp Teflon packing must be allowed to drip a small amount to assure normal life PONY ROD and PONY ROD PACKING Kerr Pumps use two pony rod sealing arrangements models KD 1250 KJ 2250 KM 3250 and KCP 6300 use a screw in seal gland all other models use a bolt in seal gland these glands use press 1 oil seals with snap ring retainers Some Bolt in gland use adjustable packing arrangements with bolt in or
37. screw in followers to adjust packing By unscrewing plunger from pony rod a gap may be facilitated to allow the removal of the various sealing arrangements A special wrench will be needed to remove and replace pony rod to crosshead This wrench 15 available from Kerr Dealers All pony rods have a jam nut to align tighten pony rod to crosshead care must be exercised in installing new seal on pony rod not to damage it DISASSEMBLY OF POWER END CAUTION Prior to disassembly of any power end the plunger pony rod and pony rod seal housing must be removed Expose the crankshaft and connecting rods by removing the pan cover Connecting rod caps may now be removed and the connecting rod and crosshead should be shoved all the way to the rear toward the fluid end to facilitate crankshaft removal out either side as convenient The connecting rods and crossheads may now be taken out the front cavity exposed by removing the crankshaft Connecting rods may be removed from the crosshead by loosening the setscrew and driving out the wrist pin from the crosshead A bronze bushing is used in the rod it may be driven out of the rod and replaced with a new bushing Reassembly is the reverse of the above outlined sequence with the following considerations for fits or tolerance A General All Kerr components are machined on modern production machine tools and are of the same specifications and close tolerances you would expect in a modern automobile engine It mu
38. st be pointed out that at top speed 350 to 400 RPM your pump will not even be approaching idle speed for a gasoline engine so field fits are possible and practical when making repairs and replacements away from the factory All procedures outlined below are possible with only hand tools and absolutely no instruments special tools or gauges are needed B Connecting rod and wrist pin Proper fit will find the wrist pin turning freely its bore the connecting rod but it should have no wobble that is discernable up and down the main axis of the connecting rod This looseness in the 2 i wrist pin fit is the most probable cause of knocking which 15 traceable to the power end of most all pumps The only solution for loose fitting wrist pins is to discard the connecting rod wrist pin bushing and replace with a new one If any wear is visible on the wrist pin it should always be replaced Crankshaft End Play and Lateral adjustments Adjustment of the Taper Roller bearings used in all Kerr Pumps 15 accomplished by removing or adding shims under the bearing housing Shims are taken out or added until the crankshaft without connecting rods will turn freely but with no endplay felt when attempting to pull or push the Jackshaft end of the crankshaft along its long axis Some lateral adjustment is possible by removing shims from one side of the crankshaft and adding them to the opposite side Note Lateral adjustment is the cente
39. sual Inspection Visual Inspection L ON Visual Inspection Visual Inspection Visual Inspection Visual Inspection Visual Inspection Visual Inspection Leaking Pistons Bentonite li j Visual Inspection Visual Inspection Visual Inspection Visual Inspection Visual Inspection Visual Inspection Proper Operation Check Pony Rod Seals Visual Inspection Visual Inspection Visual Inspection Visual Inspection o pic de Visual Inspection Visual Inspection Visual Inspection o See fo Piston Cups y Visual Inspection Visual Inspection Visual Inspection Service Valve Inserts Visual Inspection Visual Inspection Visual Inspection Service Valves and Seats REP Wai Visual Inspection Visual Inspection Visual Inspection o See f Check Rod Bearings 7 Visual Inspection Visual Inspection Visual Inspection Check Pony Rods Visual Inspection Visual Inspection Visual Inspection Visual Inspection Visual Inspection Visual Inspection Check Belts Visual Inspection Visual Inspection Visual Inspection Visual Inspection Visual Inspection 2 2 DISC HARGE emi 181181 7 KO Y O G ENERAL DIMENSIONS FOR KT 3350PT 3500 KT 3350PT KT 3400PT WITH DRIVE ASSEMBLY SUCTION GENERAL DIMENSIONS FOR KT 3350PT KT 3400PT WITH DRIV
40. ts or equipment which KERR PUMPS supplies and does not manufacture shall be subject only to the warranties of KERR PUMPS vendors to the extent KERR PUMPS can enforce such warranties 10 Any repairs to alterations of or work done on alleged defective products without KERR PUMPS specific written authorization shall void KERR PUMPS warranty applicable thereto 11 Any action for breach of warranty or other action under this agreement must be commenced within 1 year after such cause of action arises This limited warranty is in lieu of all other warranties expressed or implied including any implied warranty or merchantability or fitness KERR TROUBLE SHOOTER GUIDE REASON OR SERVICE NEEDED Insufficient fluid at high speed Check to see if the suction line is the proper size and is not constricted trash in line valve partly opened etc There is also a possibility of gas in the fluid causing Unusual pounding knocking broken valve spring the roughness Loss of pressure or volume Also above Foreign matter may be holding valves open Worn valves Broken springs Consistent rhythmic knock Improper bearing adjustment Worn bearings or connecting rods NOTE Valve noise is common and normal in high speed pumps It should not cause concern unless it becomes erratic Packing failure Excessive Improper installation Improper type lubrication Incorrect type packing for particular installation Contact Kerr Pumps if in d
41. y Only 4 Eee o KA KT 250 400 400 3 JPiston Body Only 4 2222222 260 300 3 JPiston Cup Kit 3 cup retainer plate snap ring 1 ee 260 350 3 JPiston Cup Kit 3 1 2 retainer plate snap ring KA KT 260 400 3 JPiston Cup Kit 4 retainer plate snap ring 1 KT 265 3 Extension Rod 270 3 Piston Extension Rod Lock Nut Kerr KT 3350PT KT 3400PT Piston Liner Assembly 3 Piston complete rod locknut liner gasket Liner Assembly 3 Piston complete rod locknut liner gasket Liner Assembly 4 Piston complete rod locknut liner gasket A R Suction Valve Complete KT 73HT KA KT 74HT amp 52S Spline Adapter 21 40 KA KT 701 Oil Cooler w 110 V Fan Motor KT 3400PT part numbers Prices subject to change without notice
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