e series – hydraulic drive
Contents
1. crankshaft to the right until left end can be swung free To remove pinion shaft remove bearing cap bolts Tap the end of the pinion shaft extension to remove the bearing cup at the opposite end After removing the pinion shaft the remaining bearing cup can be removed by gently tapping against the peripheral edge of the cup REPLACING PINION SHAFT AND SHIMMING BEARINGS After installing the link crosshead assemblies and moving them toward the fluid end as far as possible press bearing cones onto both ends of the pinion shaft being sure bearing seats completely against stop on shaft Place pinion and bearing cone assembly into the crankcase positioning the pinion gear over the crankshaft gear Carefully hand press bearing cups into both sides of the crankcase Tap cups until bearing cups and cone come together and pinion is in the proper location in the crankcase Press shaft seal into bear seal cap Be sure the seal lip in both caps are installed with the lip inward towards the center of the crankcase Install right bearing seal cap with two 003 thick shims and tighten cap screws Install left bearing seal cap with one 015 thick and one 003 thick shim and tighten screws Rotate the pinion shaft back and forth and apply about 15 16 of axial force to properly seat the tapered roller bearings Measure the end play by using a dial indicator Subtract recommended end play of 005 to 009 from the actual end play This i2. 500 hours if any cylinder exceeds 10 drops per minute leakage Packing may not look badly worn but will often be shiny hard and won t seal well Replace piston packing 500 hrs Replace if cracks and heavy wear are present Inspect valves and springs 500 hrs Inspect connecting link bearing inserts 1000 hrs Replace at first signs of fatigue or wear to prevent damage to crankshaft Inspect crankshaft tapered roller bearings 2000 hrs LUBRICATION Fill gear case with Mobilgear 630 or equivalent 80W90 oil to 6 1 2 qts for 1000 1800 pinion rpm range and 7 1 2 qts for 600 999 rpm range Maintain oil level at mark on oil dipstick NOTE Slow speed operation of Myers reciprocating pumps can be accomplished by adding additional oil to the crankcase The higher level compensates for lack of splash lubrication at slow speeds Some slight leakage may occur around crossheads and dipstick vent area with additional oil IMPORTANT After first 30 hours of operation drain oil from gear case preferably drain at operating temperature replace plug and refill crankcase with new oil Change oil every 300 hours thereafter Check oil level daily and add oil as needed ADDITIVES FOR CRANKCASE OIL Use of molybdenum disulfide MoS is optional as an additive to the petroleum based gear case oil in back geared pumps and speed reducers manufactured by Myers Do not use this additive with synthetic oil It is so effective i
3. gt PENTAIR MYERS E SERIES RECIPROCATING PUMP INSTALLATION AND SERVICE MANUAL NOTE To the installer Please make sure you provide this manual to the owner of the equipment or to the responsible party who maintains the system Part 26850A004 2015 Pentair Ltd 10 23 15 GENERAL INSTRUCTIONS CAUTION Positive displacement pumps must have a proper size and operable type of pressure regulating valve or pressure relief valve piped into the discharge line This is mandatory to prevent damage to pump and piping or possible injury to personnel Do not install any valves or shut off devices in the bypass line from pressure regulator to tank or supply CAUTION All pumps should be installed level For mobile applications the maximum angle of intermittent operation should be no more than 5 degrees in any one direction CALIFORNIA PROPOSITION 65 WARNING A WARNING This product and related accessories contain chemicals known to the State of California to cause cancer birth defects or other reproductive harm BELT DRIVE SEWER CLEANERS With belt drives the pulley on both the engine and pump should be located as closely as possible to the bearing to reduce bearing and shaft bending loads Make sure that all bolts nuts set screws and keys are properly tightened On multiple V belt drives a complete set of belts should be installed when making a replacement STARTING PUMP Fill pump crankcase with re
4. slots Remove puller and repeat to remove other cylinders CYLINDER INSTALLATION Reasonable care and judgment should be used when installing the new cylinder Clean out any accumulation of loose rust or corrosion in cylinder body Install a new O ring in groove on tapered portion of cylinder lubricate O ring with oil or grease for ease in insertion Position cylinder carefully by hand to avoid cutting the O ring Drive into position firmly with a wooden block and mallet Never use a hydraulic press excessive force can cause damage and make cylinders very difficult to remove for later replacement REMOVING SEATS WING GUIDED VALVES Remove valve caps and cylinder caps which provide access to suction and discharge valves Remove the stainless steel cage which serves as a valve guide and spring retainer Remove cage spring and valve from the pump fluid end Suction valve seats are removed as above except two stud lengths are joined using coupling REPLACEMENT OF VALVES Inspect tapered valve seat bore in fluid end for rust and wipe out excess with a rag Place a new lower seat in tapered hole Drive lower seat firmly into place and repeat for upper seat being sure to also inspect the tapered bore for rust IMPORTANT Both the valve seat O D and tapered bore 1 0 must be very clean Reassemble valve spring and cage and confirm that springs are in correct location When upper and lower valve seats are the same size the hea
5. the oil is not high quality or clean Drain clean and refill with new oil at the specified interval and prior to any storage period Replace link inserts as soon as any wear is noticed to avoid damage to crankshaft journals Low oil in the crankcase can quickly cause failure of the pumps power end and result in extensive repairs Oil level should be checked periodically during normal operation and during all maintenance work A foaming mixture will sometimes have the same effect as a small air leak in the suction line This is because various quantities of the foam are drawn through the suction line into the pump disrupting the normal flow of water Pressure regulators can become sluggish due to the plunger sticking or fitting too tightly in the cylinder This may happen by an accumulation of chemicals collecting in and around the plunger or from excessive corrosion of the plunger parts To check this condition remove and clean the plunger and cover the parts with a waterproof grease before assembling The pressure regulator may chatter or vibrate excessively due to an unstable operation from nozzling in the high or low capacity range of the regulator The range should be at least 50 to 90 of pump capacity If foreign matter becomes lodged between the pump valve and valve seat a drastic drop in capacity and considerable surge or pulsation will occur in the discharge line Examine each valve if this occurs Noisy pump operati
6. 00 FOLLOWER E70 23V FOLLOWER E80 20V 22835A003 061064038 FOLLOWER E80 25 054544003 PISTON BODY E70 23V 045800011 PISTON BODY E80 20V PISTON BODY E80 25 05659A089 19109A072 SPRING VALVE 316 SST E80 25 SPRING VALVE DISCHARGE DP PUMP 80 25 118294001 SCREW 1 1 4 LG 3 8 16 SHOULDER 18832A004 FOR VALVE 80 25 RETAINER SPRING FOR VALVE E80 25 18833A003 M01520A000 VALVE ACETAL 2 063 DIA E80 25 18834A005 26842A000 188354008 148850001 e 110 000024 218 When purchasing the crankshaft or pinion on units built prior to 07 12 both items will need to be replaced due to an improvement in design 110 000032 201 05876A236 7203 0543 00B 7202 0041 00 058764096 268054000 032104000 050224043 050224015 208534000 18922 000 18922 004 18922 000 18921 000 208544000 18921 000 208524003 18923 002 208554000 18923 002 189244004 20850A011 18924A004 11829A000 WW WW D 4 gt Co gt 0 CO JOO 92 0 co 15 STANDARD LIMITED WARRANTY CENTRIFUGAL amp RECIPROCATING PUMPS Pentair Myers warrants its products against defects in material and workmanship for a period o
7. 24015 BODY CYLINDER ALL E SERIES EXCEPT E80 25 AND E75 25 E80 25 AND E75 25 18639F008 18639F007 LID CYLINDER PONY ROD COVER M01520A000 CLAMP LID SCREW MACH 1 4 20 UNC x 1 2 26842A000 148850001 11 FOLLOWER E70 23V AND E75 25 FOLLOWER E80 20V E80 25 PISTON BODY E70 23V AND E75 25 PISTON BODY E80 20V E80 25 SPRING VALVE 316 SST FOR E80 25 AND E75 25 SPRING VALVE DISCHARGE DP PUMP FOR E80 25 AND E75 25 SCREW CAP 1 1 4 LG 3 8 16 SHOULDER FOR VALVE FOR E80 25 AND E75 25 RETAINER SPRING FOR VALVE FOR E80 25 AND E75 25 VALVE ACETAL 2 063 DIA FOR E80 25 AND E75 25 SEAT VALVE FOR E80 25 AND 75 25 WWW WIWI HO 189324002 208554000 189244004 20850A011 11829A000 11829A001 18832A004 18833A003 18834A005 18835A008 When purchasing the crankshaft or pinion on units built prior to 07 12 both items will need to be replaced due to an improvement in design 70 23 80 20 SHAFT DRIVE Pre June 2008 WiLL Sy an 5 2 Ze T 22 7 2 2 x 7 77 CA 222 12 70 23 80 20 SHAFT DRIVE Post June 2008 K 9 me AS NN lt lt 42 Ny lt 5 lt 2 lt 5 22 NN
8. 358 00 26849 000 20851 001 26849 001 20851 004 20851 004 26849 003 7206 0361 00 7206 0392 00 7206 0395 00 7203 0617 00 7206 0356 0 7206 0394 00 7206 0397 00 7206 0359 00 16654 006 05876 095 gt lt gt po IN w wj W W 26862A001 05876A064 ww 26848A000 17390A000 20848A000 05659A560 19109A046 7203 0544 00B 7206 0302 00A 7203 0542 00A 7203 0546 00A co VALVE GUIDE 17042C002K 01619 001 INSERT VALVE POLYURETHANE co 05454A004 O RING VALVE 2 004 0 D 19103A016 E70 23V AND E110 14 M01525A001 54 30 E80 20V 15245A101K SEAT VALVE 17481A002 SEAL RING CYLINDER CAP 06201C000 ALL MODELS EXCEPT E80 25 19100A033 SEAL RING CYLINDER CAP E80 25 110 000110 201 CAP CYLINDER 7206 0094 00K PLUG PIPE 3 NPT PLUG PIPE 1 NPT 04561B000 PIPE 179954000 PLUG PIPE 1 2 NPT 05737A002 SPRING 05059A263 PACKING E70 23V 19105A008 PACKING E80 20V 06106A034 PACKING E80 25 249594000 PRESSURE RING E70 23V 01643 000 PRESSURE RING E80 20V 050594434 PRESSURE RING 80 25 05059A058 RETAINER SPRING 2495840
9. 5 N O US AAY 22 lt 1 lt lt 13 SHAFT DRIVE POWER END e 8 AS WS lt 22222 2187 27 on Ss 990 SERIES SHAFT DRIVE PARTS LIST Description Description CASE GEAR 04625E010E PISTON HUB E54 30 SHIM PLASTIC PINK 015 05068A016 E70 23 SHIM PLASTIC GREEN 003 05068A018 E80 20 O RING 5 1 8 0 D 05876A098 E110 14 WASHER SEAL 14946A003 LINER E54 30 1 750 SCREW CAP 3 8 16 UNC x 1 19101A013 E70 23 2 000 1 0 CAP BEARING CRANKSHAFT 046248004 E70 23V E80 25 2 000 CUP BEARING CRANKSHAFT 05675A013 E80 20 2 125 1 0 CONE BEARING CRANKSHAFT 05674A021 E80 20V 2 125 1 0 CRANKSHAFT W 75 TEETH GEAR 110 14 2 500 1 0 ALL SERIES EXCEPT E80 25 279376022 PISTON CUP E54 30 1 750 0 0 E80 25 279370044 E70 23 2 000 0 D KEY SQ 3 8 x 3 8 x 2 1 2 058184048 80 20 2 125 0 0 OIL SEAL 1 5 8 05710A017 FLAT BACK E110 14 2 500 0 D CAP OPEN PINION 04563A001 RETAINER PISTON E54 30 CUP BEARING PINION 05675A009 E70 23 CONE BEARING PINION 05674A013 E80 20 SHIM 015 THK PINK E110 14 ALL E SERIES EXCEPT E80 25 05231A075 SCREW CAP 551 M 14 METRIC E80 25 05863A023 O R
10. ING 2 15 16 0 D CYL LINER SHIM 003 THK GREEN SEAL RING VALVE CAP ALL MODELS EXCEPT 80 25 SEAL RING VALVE E80 25 CAP VALVE SHATT PINION 19 TEETH 2219388027 ALL E SERES EXCEPT E80 25 CAP CLOSED BEARING PINION 04741B001 25 PLUG PIPE 1 2 NPT SQ HD 05022 039 CLAMP 5 8 STUD VALVE CLAMP 7 8 STUD CYLINDER CAP 20856A000 STUD 5 8 11 UNC x 3 5 16 LG CROSSHEAD ASSEMBLY NUT 5 8 11 UNC ALL E SERIES EXCEPT E80 25 06211B042 CAGE VALVE 80 25 062118044 SPRING VALVE LINK WITH BUSHING amp SCREWS BUSHING WRIST PIN WASHER LOCK SCREW CAP WRIST PIN BEARING TWO HALVES PLUG DRAIN MAGNETIC 3 4 14 GASKET LID SPECIAL SHAPE SCREW 5 16 18 x 7 8 ST O RING GAUGE DIPSTICK OIL LEVEL amp O RING 29 LID GEAR CASE NIPPLE SPECIAL VENT CAP PIPE SLINGER NEOPRENE SCREW HEX 5 8 11 UNC x 2 SCREW SKT HD 10 32 UNF x 1 2 HOUSING OIL SEAL SPRING SEAL RETAINER GASKET SEAL HOUSING 2 312 0 0 GASKET VELLUMOID 3 50 0 0 RETAINER OIL SEAL HOUSING OIL SEAL U CUP VITON SCREW SKT HD 3 4 10 UNC x 2 1 2 WASHER LOCK 3 4 SCREW DRIVE 133 5 16 STUD 7 8 14 UNF x 4 1 2 NUT HEX 7 8 14 UNF PLUG PIPE 1 1 4 NPT BODY CYLINDER ALL E SERIES EXCEPT 80 25 E80 25 LID CYLINDER PONY ROD COVER CLAMP LID SCREW MACH 1 4 20 x 1 2 O RING 1 1 4 0 2 7206 0354 00 7206 0393 00 7206 0396 00 7206 0
11. PINION 05674A020 SHIM 015 THK PINK 05863A023 SHIM 003 THK GREEN 05863A024 SEAL RING VALVE CAP ALL MODELS EXCEPT E80 25 SEAL RING VALVE CAP E80 25 26862 001 05876 064 SHAFT PINION 19 TEETH 27938B040 COVER 26588B000 SCREW HEX HD 1 2 20 UNF x 3 4 191034054 ALL SERIES EXCEPT 80 25 AND 75 25 E80 25 AND E75 25 26848A000 17390A000 SCREW 5 16 24 UNF 1 CROSSHEAD ASSEMBLY ALL E SERIES EXCEPT E80 25 AND E75 25 E80 25 AND E75 25 06106A048 CLAMP 5 8 STUD VALVE CAP 20848A000 STUD 5 8 11 UNC x 3 5 16 LG 05659A560 06211B042 NUT HEX 5 8 11 UNC 19109A046 06211B044 CAGE VALVE 7203 0544 00B LINK WITH BUSHING amp SCREWS BUSHING WRIST PIN WASHER LOCK SCREW CAP 17042C002 SPRING VALVE 7206 0302 00A 1619 000 VALVE GUIDE 7203 0542 00A 05454A004 19103A016 INSERT VALVE POLYURETHANE O RING VALVE 2 004 0 0 7203 0546 00A 110 000032 201 WRIST PIN 01525 001 SEAT VALVE 7203 0543 008 BEARING TWO HALVES 15245A101K PLUG DRAIN MAGNETIC 3 4 14 17481A002 GASKET LID SPECIAL SHAPE 06201C000 SEAL RING CYLINDER CAP ALL MODELS EXCEPT E80 25 SEAL RING CYLINDE
12. R CAP E80 25 ww 7202 0041 00A 05876A096 SCREW CAP 5 16 18 x 7 8 ST 19100A033 O RING OIL GAUGE GAUGE OIL amp O RING ITEM 29 110 000110 201 17360A011K CAP CYLINDER ALL E SERIES EXCEPT E80 25 AND E75 25 E80 25 AND E75 25 26805A000 26805A001 LID GEAR CASE 04561B000 SPRING 20853A000 NIPPLE SPECIAL VENT 17995A000 CLAMP 7 8 STUD CYLINDER CAP 20856A000 CAP PIPE 05737A002 STUD 7 8 14 UNF x 4 1 2 05659A089 SLINGER NEOPRENE 05059A263 NUT HEX 7 8 14 UNF 19109A072 SCREW CAP HEX 5 8 11 UNC x 2 19105A008 PLUG PIPE 1 1 4 NPT 05022 041 SCREW SKT 10 32 UNF 1 2 061064034 HOUSING OIL SEAL 24959A000 PRESSURE RING E70 23V AND E75 25 PRESSURE RING E80 20V E80 25 18921A000 20854A000 SPRING SEAL RETAINER 01643 000 RETAINER SPRING 20852A003 GASKET SEAL HOUSING 2 312 0 D 05059A434 GASKET VELLUMOID 3 50 0 D 05059A058 RETAINER OIL SEAL HOUSING 24958A000 OIL SEAL U CUP VITON 22835A003 SCREW SKT HD 3 4 10UNC x 2 1 2 06106A038 WASHER LOCK 3 4 SCREW DRIVE 133 x 5 16 05454A003 045800011 PLUG PIPE 3 NPT 03210A000 PLUG PIPE 1 NPT 05022A043 PLUG PIPE 1 2 NPT 105 4 14 OO 2 mM OOD W O gt 0502
13. RTS LIST Description CASE GEAR 04625 100 53 Description O RING 1 1 4 0 0 110 000024 218 SHIM PLASTIC PINK 015 05068A016 54 SHIM PLASTIC GREEN 003 05068A018 O RING 5 1 8 0 0 05876A098 PISTON HUB E54 30 E70 23 E110 14 7206 0354 00A 7206 0393 00A 7206 0358 00A WASHER SEAL 14946A003 SCREW CAP 3 8 16 UNC x 1 19101A013 CAP BEARING CRANKSHAFT 04624B004 CUP BEARING CRANKSHAFT 05675A013 CONE BEARING CRANKSHAFT 056744021 LINER CYL 54 30 1 750 E70 23 2 000 75 25 2 000 80 20 2 125 1 0 110 14 2 500 I D 26849 000 20851 001 268494001 208514004 01512 003 CRANKSHAFT W 75 TEETH GEAR ALL E SERIES EXCEPT E80 25 AND E75 25 E80 25 AND E75 25 279370022 279370044 PISTON CUP E54 30 1 750 0 D E70 23 2 000 0 D FLAT BACK E110 14 2 500 0 D 7206 0361 00 7206 0392 00A 7203 0617 00A PACKING E70 23V E75 25 AND E80 25 PACKING E80 20V 18922A000 18922A004 OIL SEAL 2 05710A046 CAP OPEN PINION 04742B101 RETAINER PISTON E54 30 E70 23 E110 14 SCREW 551 M 14 METRIC 7206 0356 00A 7206 0394 00A 7206 0389 00A 16654A006 CUP BEARING PINION 05675A019 O RING 2 15 16 0 D CYL LINER wj 058764095 CONE BEARING
14. a small amount of grease to hold in place NOTE Apply Loctite RC35 to capscrew prior to piston installation Follow instructions on label and make certain threads in piston rod are clean and free of any grease or oil Assemble capscrew etc into piston assembly and push into cylinder Torque the capscrew to 50 ft lbs using a hexagonal socket attachment 12mm 472 across flats INSTALLING PACKING Assemble V rings onto stud Lubricate the outside of the assembly with Molykote or other grease for ease in insertion do not use a graphite type grease When installing each V ring assembly rotate crankshaft until piston rod is at forward position Place copper gasket in position in stud using a small amount of Permatex to hold in place Apply Loctite RC35 to cap screw prior to piston installation Follow instructions on label and make certain threads in piston rod are clean and free of any grease or oil Assemble cap screw etc into piston assembly and push into cylinder Torque the cap screw to 50 ft lbs using a hexagonal socket attachment 3 8 across flats REMOVING CYLINDERS First remove packing as outlined previously Rotate crankshaft until piston rod is in rear position Insert puller through inside of cylinder and pilot over piston rod Insert disc into slots on puller Slip plate over threads on puller Screw nut on thread on puller and snug up Tighten nut until liner breaks loose Loosen nut and slip disc out of
15. commended oil to the level mark on the oil saber Oil recommendations are covered in lubrication section of pump instructions Replace all drain plugs in pump and piping Inspect tank to be sure that no foreign material is in tank or suction line Fill tank at least half full or connect suction to water supply Open valve if present in suction line Avoid prolonged dry operation which may Cause excessive wear on cylinders and piston packing Be sure that an operating pressure gauge is located in the discharge line Make sure all valves including spray gun or nozzles are open in the discharge line Spray gun may be anchored to discharge back into the tank Completely back off pressure adjusting screw on the pressure regulating valve After starting close discharge valve or spray gun slowly while watching pressure gauge to make sure relief valve or unloader is operating properly Adjust relief valve or unloader to desired pressure See regulator instructions Cycle nozzles or gun on and off to be sure that pressure adjustment and regulator operation is satisfactory Nozzle capacity should not exceed 90 of pump capacity for satisfactory regulator operation Avoid freezing by draining all water from pump and system in cold weather SUGGESTED MAINTENANCE SCHEDULE Check oil level Daily Drain at operating temperature to prevent contamination from settling Drain and change oil 300 hrs Inspect frequently for leakage replace before
16. consequential damages and therefore such limitations may not apply to you No warranties or representations at any time made by any representatives of Pentair Myers shall vary or expand the provision hereof PENTAIR MYERS MYERS SERIES 1101 MYERS PARKWAY ASHLAND OHIO USA 44805 419 289 1144 WWW FEMYERS COM Warranty Rev 12 13
17. e packing is badly worn 10 If the pressure regulator internal bypass valve is worn it will allow too much of the pump capacity to be bypassed and recirculated back to the tank By examining the flow from this valve with the discharge turned on it can be determined whether or not the valve is worn If a heavy flow continues when the discharge is turned on it is usually a good indication of worn valve and should be replaced A broken pump valve or spring will often prevent one cylinder from functioning properly resulting in a rough pulsing discharge a knocking sound and a loss of capacity If not repaired immediately the rough running pump can cause mechanical damage to itself or other system components Worn packing valves or valve seats will cause a severe drop in pump capacity pressure Worn packing is detected by water leakage and should be replaced immediately Water getting in the pump crankcase will cause severe corrosion of the bearings and cause rapid wear Worn valves can be detected by visual examination of each valve assembly Abrasive liquid will cause wire cuts which begin as a very small groove but increases rapidly once the valve starts to leak through this groove If the valves are replaced as soon as they start to show this cutting action it will prevent the valve seat from becoming cut in a similar manner If a portion of the pump delivery is allowed to bypass because the 1 control valve is not complet
18. ely closed there may not be adequate flow to develop full pressure This will cause rapid wear in the control valve Any excess flow should be bypassed only by the pressure regulator Pump cylinder bodies withstand an extreme amount of shock and pulsation while in operation If the pump is allowed to freeze by not being drained the freezing may crack the cylinder body walls in almost any location If the crack occurs on the suction valve or cylinder portion of the body it may allow a small amount of air to enter on the suction stroke and cause noisy operation or a decrease in pumping capacity If the crack develops in the walls between the cylinder cavities or discharge valve cavity it may allow the water to flow from one cavity to the adjacent cavity and cause uneven displacement Water may accumulate in the pump crankcase from two sources leakage of packing or an accumulation of condensation moisture inside the crankcase due to changes in weather or the repeated heating and cooling of the pump Pumps used consistently running for a considerable period of time to heat the oil and other working parts will not normally accumulate water by condensation Replace the packing as soon as it starts to leak 12 14 15 17 Worn connecting link bearings are caused by unusual or adverse operating conditions and are seriously affected by corrosion if water is present in the crankcase They will wear out from overheating if
19. f 12 months from the date of shipment from Pentair Myers 18 months from the manufacturing date whichever occurs first provided that such products are used in compliance with the requirements of the Pentair Myers catalog and technical manuals During the warranty period and subject to the conditions set forth Pentair Myers at its discretion will repair or replace to the original user the parts that prove defective in materials and workmanship Pentair Myers reserves the right to change or Improve its products or any portions thereof without being obligated to provide such a change or improvement for prior sold and or shipped units Seals piston cups packing plungers liners and valves used for handling clear fresh nonaerated water at a temperature not exceeding 120 F are warranted for ninety days from date of shipment All other applications are subject to a thirty day warranty Accessories such as motors engines and auxiliary equipment are warranted by the respective manufacturer and are excluded in this standard warranty Under no circumstance will Pentair Myers be responsible for the cost of field labor travel expenses rented equipment removal reinstallation costs or freight expenses to and from the factory or an authorized Pentair Myers service facility This limited warranty will not apply to defects or malfunctions resulting from failure to properly install operate or maintain the unit in accordance with the printed inst
20. n reducing wear and friction that power train life may be doubled between overhauls SERVICE Disengage clutch disconnect electrical leads to motor or remove spark plug leads on engine REMOVING PACKING Move assembly to front end of cylinder top dead center Remove valve assembly if required to provide clearance Remove cap screw with an Allen wrench Retract piston rod Pull packing assembly out or push by rotating crankshaft by hand REMOVING PISTON After removing the nuts clamp and cylinder cap move piston assembly to front end of cylinder top dead center Remove valve assembly if required to provide clearance Remove cap screw with a 12mm 472 across flats Allen wrench or use the removal tool Use the removal tool to screw into the piston hub and then pull piston assembly out using momentous backward forward motion with the sliding handle bar against the bolted anchored end CAUTION Also inspect cylinders for linear grooving by running your thumbnail circumferentially around bore of cylinder If any grooving is detected also replace cylinders New packing will rapidly cut or wear out in grooved cylinders INSTALLING CUP Assemble cup onto hub Lubricate the outside of the assembly with Molykote or other grease for ease in insertion do not use a graphite type grease When installing each cup assembly rotate crankshaft until piston rod is at forward position Place O ring in position in piston hub using
21. nstalled in the suction line between a tank or pressure line and the pump sediment chamber It will shut off the supply source in order to clean the sediment chamber or to perform pump repairs If this valve is partially or fully closed it will interfere with the flow of water to the pump suction This also may cause severe knocking and vibration of the pump because the water cannot flow into the cylinder cavities fast enough 3 sediment chamber should be installed in the suction line between the gate valve and the pump suction The strainers in these sediment chambers are to allow a free flow of liquid to the pump If the strainers become severely clogged they will completely stop the flow of liquid to the pump 4 Any piston pump operating at a high pressure will not perform properly or quietly if a mixture of air and water is allowed to enter the pump suction A small air leak in the suction line will cause the pump to knock and vibrate excessively by allowing the pump to draw a certain amount of water mixed with air on each stroke of the piston A large air leak will cause the pump to lose prime after which it cannot be reprimed until the air leak is stopped Air leaks may occur at the joints of the suction line piping at the gate valve in the suction line at the gasket sealing the cap on the sediment chamber by a crack the suction wall of the cylinder body or by air drawing past the packing on the suction stroke if th
22. on may be caused by a loose piston rod in the crosshead This noise usually has a regular cadence timed with each stroke If this happens always replace both the rod and the crosshead Increased preload to the crankshaft bearings will reduce bearing life require more power and generate more heat Insufficient preload may cause a knock timed with the crankshaft rotation Check for loose bolts on the crankshaft end caps or adjust shims to obtain proper bearing preload Worn roller bearings will continue to run but will introduce wear particles into the oil E54 30 H D E70 23 H D E80 20 H D E110 14 H D KS ae 27 22 2 2222222 2 gt ANS 2 gt SS 222223 7 7 222 2 24 CPP 2 QQ 22777 6 85 6 E70 23V H D E75 25 H D E80 20V H D E80 25 H D 1 2 2 65 AS lt D Y Ne N g 162278 WN 27 151 227 ING 22 4422 4151 7 3 22772222 N N HYDRAULIC DRIVE POWER END ES ein gt Fran lt lt 22 OH 0 5 O O MWG SERIES HYDRAULIC DRIVE PA
23. ructions provided to failures resulting from abuse accident or negligence to normal maintenance services and parts used in connection with such service 9 to units that are not installed in accordance with applicable local codes ordinances and good trade practices if the unit is moved from its original installation location 8 if unit is used for purposes other than for what it is designed and manufactured 0 to any unit that has been repaired or altered by anyone other than Pentair Myers or an authorized Pentair Myers service provider hj to any unit that has been repaired using non factory specified OEM parts Warranty Exclusions PENTAIR MYERS MAKES NO EXPRESS OR IMPLIED WARRANTIES THAT EXTEND BEYOND THE DESCRIPTION ON THE FACE HEREOF PENTAIR MYERS SPECIFICALLY DISCLAIMS THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ANY PARTICULAR PURPOSE Liability Limitation IN NO EVENT SHALL PENTAIR MYERS BE LIABLE OR RESPONSIBLE FOR CONSEQUENTIAL INCIDENTAL OR SPECIAL DAMAGES RESULTING FROM OR RELATED IN ANY MANNER TO ANY PENTAIR MYERS PRODUCT OR PARTS THEREOF PERSONAL INJURY AND OR PROPERTY DAMAGE MAY RESULT FROM IMPROPER INSTALLATION PENTAIR MYERS DISCLAIMS ALL LIABILITY INCLUDING LIABILITY UNDER THIS WARRANTY FOR IMPROPER INSTALLATION PENTAIR MYERS RECOMMENDS INSTALLATION BY PROFESSIONALS Some states do not permit some or all of the above warranty limitations or the exclusion or limitation of incidental or
24. s the amount of shim that must be removed After excess shim thickness has been removed replace left cap and retighten cap screws Measure end play again and repeat if necessary REPLACING CRANKSHAFT AND SHIMMING BEARINGS Press the bearing cups into the caps Place one cap into position on the right side with cap screws engaged about one turn Install crankshaft left end first and push both bearing caps into place Extreme care should be exercised to avoid damage to gear teeth bearings and link journals For quiet operation and long life the crankshaft and bearings must be installed with 003 to 005 in preload To adjust loosen the four cap screws on the pinion shaft bearing cap Place about 045 shim on the right crankshaft bearing cap tighten the five cap screws Install the left cap without shims secure with two cap screws at 13 ft lbs and rotate the crankshaft Retorque the cap screws Repeat three times to properly seat tapered roller bearings Measure adjacent to the cap screws the shim gap remaining between the bearing cap and the gear case The required shim thickness for this cap is equal to the average gap measurement plus 022 Insert correct shim thickness under left bearing cap and tighten cap screws Install connecting links and caps and torque cap screws to 40 ft lbs Important Check for adequate side clearance of links on crankshaft Some shims must be moved from one end to the other until sideways mo
25. sed Failure to hold pressure with discharge open Pump is nois Pump gets hot Pressure gauge shows abnormal fluctuation POSSIBLE CAUSE OF PROBLEM Pump not primed Valve closed in suction line Suction line or sediment chamber clogged Air leak in suction line Broken valves or springs Pump packing or valves badly worn 09 1 lt gt 9 Pump cylinder body cracked 10 Water in crankcase 11 Worn connecting link inserts or wrist pin bushings 12 Lack of oil in crankcase 13 Foaming mixture in tank 14 Regulator plunger sticking 15 Foreign matter under pump valve 16 Loose piston rod 17 Improper preload of crankshaft bearings Pressure regulator valve badly worn or not properly adjusted Pressure regulator bypassed by open 1 valve Explanation of the Service Chart Pump priming is usually not necessary when the pump is installed correctly However there are certain conditions which may make it necessary to prime the pump to get the pumping action started Priming will be required when it is impossible for the piston to displace the air in the pump and replace it with water This could be caused by a high suction lift the valves being stuck on the seat or by valves sticking due to extreme corrosion A pump will not prime readily if someone has tampered with the valve springs causing them to exert undue pressure of the valve plates against the valve seats A gate valve is sometimes i
26. these bushings are reamed to the proper size for immediate installation If only the bushing is replaced it may be necessary to ream the new bushing to the proper inside diameter after it is pressed into the link When placing the bushing on the link be sure that the oil holes in the bushing and link are in line after the bushing is pressed into position CROSSHEAD AND PISTON RODS Repair parts for the crosshead and piston rod are supplied as a complete unit If either of these parts become worn it is necessary to replace both the crosshead and piston rod Under normal conditions a crosshead will not wear nor will the bore of the crankcase wear to the extent that oversize crossheads will be required A clearance of 002 to 004 is standard for the crosshead RECOMMENDED TORQUE foot pounds Link Bearing Caps 40 Crankshaft End Caps 20 Pinion Bearing End Caps 20 Cap Screw 3 4 Fluid End to Power End 250 Cap Screw 5 8 Fluid End to Power End 150 Cylinder Cap Clamps Front 200 Valve Cap Clamps 100 DIMENSIONS FACE MOUNTING 3 636 DIA 540 Pilot Depth 3 625 DIA 5 0000 DIA 5 0020 DIA 1 2 20UNF 2B 4 Holes NOTE Measurements in inches 14 tooth 12 24 Pitch Involute Spline 1 THE PUMP MUST INSTALLED WITH PRESSURE RELIEF VALVE IN DISCHARGE LINE TROUBLESHOOTING Pump fails to build pressure with discharge clo
27. vement of all links can be seen Check torque of cap screws on all bearing caps RECONDITIONED CRANKSHAFTS When the crank throws are slightly damaged they can sometimes be reconditioned for further use This can be done by sandpapering and polishing until all ridges are completely removed The final polishing operation should be with very fine emery cloth If the surface is badly damaged the crankshaft can often be salvaged by metalizing the crank throw and then regrinding and polishing to the original diameter SERVICING CONNECTING LINKS The connecting rod link is furnished with replaceable split sleeve bearing inserts at the crank throw Do not attempt to refit connecting links to the crankshaft bearings by filing or grinding the mating faces of the link cap where it contacts the link Always be sure that the proper side of the link is placed upward when attaching it to the crankshaft The upper side contains an oil hole at the crosshead end of the link This oil hole must be up to allow proper oil feeding to the crosshead pin bushing The wrist pin is press fitted into crosshead and slip fitted through the bronze bushing Use arbor press to force in the wrist pin Check to see if link is free to rotate after the wrist pin is pressed in Verify that both sides of the wrist pin do not protrude beyond the crosshead The crosshead end of the connecting link is fitted with a bronze bushing New replacement links are obtained
28. vier spring is installed on upper or discharge valve NOTE Be sure that cage is tightened onto valve seat Inspect seals on valve and cylinder caps Replace if seals show signs of wear REPLACING PISTON ROD SEALS The rod seal assembly contains two seals two oil seals with lips facing the power end The oil seal can be replaced without taking the fluid end off by removing the cylinder and piston to allow access for oil seal housing Unscrew two Allen screws and place into the other two tapped holes Gradually screw them in to push oil seal housing off the retainer After assembling new seals in oil seal housing an assemble thimble should be used on the end of the crosshead rod for sliding oil seal housing back into the retainer Check gasket and replace if damaged An assembly thimble should be used on small end of the piston rod to expand sealing edge as it is pushed on The thimble should be machined from high carbon steel and polished on the exterior to reduce possibility of seal lip damage REMOVING CRANKSHAFT AND PINION SHAFT Remove piston assemblies Remove connecting link caps and move the link crosshead assembly as far forward as possible Secure separation of the crankshaft gear and gear case so that crankshaft will be held in place against pinion shaft Remove both crankshaft bearing caps Hold crankshaft at ring gear and left hand link journal to prevent dropping into bearing bores and remove from gear case by moving
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