HPL/HPLT SERIES - Pentair Water Literature
Contents
1. N A INN BEN 19 2 g D 47277 LAS SI LA a N N 27711D000 COMMON PARTS LIST Description FLUID END 2 27718B000 VALVE COVER 7507 2793 00A STUD COVER VALVE 1 X 3 3 4 133 100008 243 NUT HEX 1 8 THRD STEEL AS 27719B000 VALVE GUIDE 170 014002 405 1 4 NPT PIPE PLUG 27715B000 VALVE 27716B000 VALVE SEAT 7201 0751 00A A 50 TRIPLEX PUMP POLYURETHANE INSERT 2 3 4 5 6 7 8 9 7201 0751 01A A 50 TRIPLEX PUMP FLUORELASTOMER INSERT 05876A050 O RING 3 1 8 x 2 7 8 x 1 8 2 233 058764266 O RING 3 1 8 x 2 7 8 x 1 8 2 233 27760A001 27760A003 x x SPRING SUCTION LEFT HAND SPRING DISCHARGE RIGHT HAND 27761A000 WASHER SPRING 05876A035 O RING 3 1 4 x 3 x 1 8 2 234 05876A267 PARTS FOR HPLT PUMPS ONLY O RING 3 1 4 x 3 x 1 8 2 234 THIS PAGE INTENTIONALLY LEFT BLANK STANDARD LIMITED WARRANTY CENTRIFUGAL amp RECIPROCATING PUMPS Pentair Myers warrants its products against defects in material and workmanship for a period of 12 months from the date of shipment from Pentair Myers or 18 months from the manufacturing date whichever occurs first provided that such products are used in compliance with the requirements o2. 7509 0048 00A 05454A014 WATER GUARD FILTER WASHER LOCK SST 5 16 170 038003 237 PIPE PLUG 3 8 NPT 7203 0100 15A HOSE TEFLON 1 4 304SS BRAIDED 7204 0309 00C CROSSHEAD 246 014018 220 ELBOW 1 8 NPT x 1 4 JIC 144670011 SCREW CAP 7 8 14 HEX SOC HD 400 TORQUE 170 014002 405 PLUG PIPE 1 4 NPT 27746B000 TIE ROD 1 1 4 12 TPI 400 TORQUE 7602 3000 00A GAUGE OIL LEVEL 27720B000 ROD EXTENSION 149680021 PIPE 1 4 x 2 GALV TUBE 27721B001 PLUNGER HPL120 30 HPL120 30T 067130223 PUMP FOOT 27721B003 PLUNGER HPL170 20 HPL170 20T 067130213 PUMP FOOT 7204 0054 00A SEAL STUFFING BOX NITRILE RUBBER 001500421 O RING 1 8 x 5 359 ID 2 253 7509 0049 18A 05126A063 HOSE BRAIDED 1 2 x 18 LONG TEE PIPE 1 NPT x 1 NPT x 3 4 130 114012 243 JAM NUT HEX STEEL 1 1 4 12 600 TORQUE 05427A250 PIPE 1 x 3 1 2 TBE 40 GALVST 14443A001 1 5 DIA 0 30 PSI GAUGE Gq 3 5 PS FF Yj 1 __ 10 SS gt d A FLUID END ASSEMBLY 17 17 EEE EEE Teen VS SW Wy pil f I 97 La Y 7 an VAN AYA EE KNILA 2 7 74 MEAS SE GE I IN 2 FRR ATA Vek
3. Before installing thoroughly clean all surfaces using a cleaning solvent Installation will be through the top of the fluid end For the suction valve drop down these parts in the following order O ring valve casting cage valve spring and then washer Repeat this same process for the discharge valve To complete the washer that is on top of the discharge valve needs to be placed concave side down Slide the valve cover over the four designated studs and tighten the bolts BEARING HALVES CONNECTING RODS CROSSHEADS The connecting rod assemblies employ precision automotive type steel backed with Babbitt lined crankpin bearing halves which require no shims for clearance adjustment This pump employs full circle crossheads and hardened stainless steel extension rods which are field replaceable Extension rods are provided with wrenching flats to permit tightening of the tapered thread into the crosshead establishing accurate alignment Before beginning the assembly all parts must be cleaned removing all oil dirt rust and foreign matter which prevent proper fitting or scoring of the rubbing surfaces Clean and examine the power frame bores for scoring and normal wear especially the lower crosshead guide way Frame bores which have become worn must be sleeved with a cast iron liner to re establish correct geometry and alignment Installing Wrist Pin Bushings The wrist pin bushing is a precision machined bearing
4. gt PENTAIR MYERS MYERS APLEX SERIES 1101 MYERS PARKWAY ASHLAND OHIO USA 44805 419 289 1144 WWW FEMYERS COM Warranty Rev 12 13
5. No adjustment is provided by the gland The spring provides all the initial compression and adjustment The force exerted by the spring is subject to the space provided making it important the ring length is correct for proper tension Spring A stiff spring closely fitting the bore of the stuffing box is used in this assembly It is compressed to the operating length plus 0 25 and tied with waxed nylon cord Each spring is assembled into the stuffing box without contacting the plunger Spring Guide Ring It is important to obtain a well fitted guide ring to carry the weight of the plunger Discard any guide rings which become worn or scored Apply oil to this ring when fitting in the box Gland Ring This ring also fits the plunger and helps support the plunger weight Discard if the bore is worn rough or out of round Lightly oil the ring before insertion Spring Loaded Packing Three rings of compression packing are installed with the intersections 180 apart to discourage leaking INSERTING THE PLUNGER Apply oil liberally to the plunger O D and to each extension rod O D before lightly tapping it through the packing and the stuffing boxes This will assist with installation through the wiper box seals A soft rubber mallet is recommended to avoid any damage to the plunger face or its threads INSTALLING THE GLAND Considerable downward pressure on the gland is required to compress the spring move packing into locat
6. in the discharge line drain individually Drain the bypass line by disconnecting or removing plug If pump has valve lifters turn hand wheel to unseat valves to prevent frost If no valve lifters are present open piping lines to the atmosphere and run pump 15 seconds Make sure pump does not run longer as this can ruin the packing SERVICE Lubrication Fill the crankcase with synthetic 80W140 gear oil with API classification GL 5 SAE J2360 When first operating the pump change the oil and filters after the first 30 hours of run time then every 300 hours or once a year Maintain oil level at the half way point on the oil level sight glass approximately 8 5 gallons Check oil level daily and add oil as needed Use spin on water absorbing filter WATERGUARD and inline oil filter FLOW EZY FILTERS replacement element GUIDED VALVES WITH URETHANE FLUORELASTOMER SEAL Seal for HPLT Pumps These valves permit quick easy and safe methods of installing and removing the whole valve The new system allows servicing without distortion of the seat no damage to the fluid end and no special tools are needed Guided valves do not have any tapered seats so the installation and removal of the valves are extremely less complicated and destructive to the fluid end The valves are made to sit on top of one another and work together therefore there are no threads for the valves to screw into The use of a puller might be needed
7. 5 gallons Replace all drain plugs in the pump and piping Inspect tank to be sure that no foreign material is in the tank or suction line Fill tank at least half full Avoid prolonged dry operation which may cause excessive wear on plunger packing Be sure that an operating pressure gauge is located in the discharge line Use a heavy duty liquid filled pulsation free pressure gauge Make sure all valves including the spray gun or nozzles are open in discharge line and completely back off pressure adjusting device on pressure regulating valves Check pressure rating for pulsation dampener pressure regulator and pipe fitting to make sure working pressure is not over the maximum pressure rating After starting close the 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 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 the pump and system in cold weather INSTRUCTIONS FOR DRAINING PUMP IN FREEZING WEATHER Open suction line to the atmosphere at lowest point in suction piping and remove suction pipe plug Open discharge line to the atmosphere at the lowest point in discharge piping If there are several low points
8. A 27723D000 MODEL HPL120 30 HPL120 30T EXPLODED VIEW CRANKSHAFT 27730A000 BEARING LARGE 27731A000 BEARING MEDIUM DOUBLE ROW 072320673 PLATE RETAINING 27729B000 RETAINER BEARING ALUMINUM BRONZE 000110141 SCREW SET HEX SOC 1 4 28 x 1 2 06106A043 SCREW CAP SKT HD SST 1 4 28 UNF x 7 8 LG BLANK DISCHARGE 27919A001 2 5 NPT DISCHARGE 27919A002 FLUID END FITTINGS 4 NPT TO 4 ID HOSE SUCTION 27918A003 BLANK SUCTION 27918A001 4 NPT SUCTION 27918A002 100 058112 273 COMMON PARTSLIST Description H BOLT 5 8 11UNC x 1 5 x 1 5 30 TORQUE 7204 0306 00C BOX WIPER 133 114012 243 NUT HEAVY 1 1 4 12 THREAD tem f Eng No fDesenpton __ __ 171 1100 TORQUE 145 200300 999 SEAL WIPER DOUBLE LIP CANNED 27709D001 FRAME TRANSITION 145 200234 999 SEAL WIPER DOUBLE LIP 7507 2791 00 STUD STUFFING BOX 1 x 4 7 8 200 TORQUE 7204 0005 00A PIN WRIST 05454A016 WASHER LOCK SST 1 2 TYPE 316 SST 27710D001 FRAME POWER F120 30 RECIP 27756A001 PIN DOWEL BEARING TO POWER FRAME 005680061 SCREW CAP HEX SOC 1 2 13 x 1 1 2 SST 75 TORQUE 05454A015 19101A009 WASHER LOCK SST 3 8 TYPE 316 SST SCREW CAP HEX ST PL 3 8 16 x 1 20 TORQUE 27713D000 HOUSING GEAR COVER 27736B000 GASKET GEAR COVER 19101A012 SCREW
9. ASSY 7509 0072 00A TUBE FITTING 1 2 HOSE x 3 4 NPT 100 038112 273 SCREW CAP HEX HD 3 8 NC x 1 1 2 20 TORQUE 7509 0049 38B 1 2 x 38 SST BRAIDED HOSE W BRASS ENDS 7204 0016 00A DISC DEFLECTOR 001560321 WASHER FLAT 3 8 SST 7204 0073 10B BEARING CRANKPIN HALF 27796B000 STUFFING BOX PACKING ASSEMBLY HPL120 30 HPL120 30T 27737A000 GASKET SIDE COVER 27714C000 SIDE COVER 27796B030 STUFFING BOX PACKING ASSEMBLY HPL170 20 HPL170 20T 27744A000 OIL FILTER 7509 0073 00A NIPPLE FITTING 1 2 NPT x 3 4 NPT 127 100008 243 SCREW CAP HEX 1 4 20UNC SST 1 2 LG 400 TORQUE 27741A000 OIL PUMP 27711D001 FLUID END ASSEMBLY 100 038212 454 HF BOLT 3 8 16UNC x 2 50 x 1 20 TORQUE 05030A264 FLAT WASHER SPECIAL 154 038068 999 7509 0078 00A SPRING LOCKWASHER 3 8 TUBE FITTING 1 2 NPT x 1 2 HOSE 13015A005 03210A000 VALVE PUSHER ASSEMBLY PIPE PLUG 3 NPT 7509 0049 06B 1 2 x 6 SST BRAIDED HOSE W BRASS ENDS 05010A005 ELBOW STREET GALV 1 1 2 19103A068 SCREW CAP HEX ST 1 2 13UNC x 1 1 2 75 TORQUE 5 050044027 1 1 2 x 1 1 4 BUSHING 7602 3001 00A FILTER BREATHER 029210091 SCREW CAP FL HD SOC 1 2 13 x 1 2 SST 75 TORQUE N 05022A064 PIPE PLUG 1 NPT 27764B000 OIL DISTRIBUTION MANIFOLD
10. 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 11 12 13 14 15 16 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 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 dr
11. distorted If the inner race does not contact its thrust face properly it must be pressed into place using a specially machined sleeve being cautious not to touch the soft steel cage Retainer Plate Installation Retainer plates are shrink fitted onto the shaft The retainer plate for the large bearing is placed on top of the bearing Once the plate is correctly positioned screw in the retainer This will keep the inner race of the bearing in place The double row bearing and its retainer plate is on the drive side of the crankshaft The retainer plate is placed onto the crankshaft and once cooled the double row bearing is dropped on top of the retainer This retainer will be screwed in through the actual power end of the pump Disassembly After removing the connecting rod cap and cap bolts remove the bearing carrier from the frame Support the shaft during removal to avoid damage The crankshaft may be extracted once all connecting rods are moved clear Examine the crankpin surfaces for wear or corrosive pitting If worn more than 010 undersize the crankshaft should be replaced Crankshaft roller bearings should be carefully examined for pitting scoring or corrosion and replaced as required The roller assembly is removed by cutting away the cage and heating the inner race while holding the shaft vertically Avoid excessive heat on the crankshaft as this tends to distort its geometry PINION SHAFT The pinion sha
12. gt PENTAIR MYERS HPL HPLT SERIES HIGH PRESSURE 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 23833A169 2015 Pentair Ltd 07 13 15 GENERAL INSTRUCTIONS Electrical power or engine must be shut off completely before attempting service on the pump or its drive Air surrounding the unit is to be free of toxic flammable or explosive gases A properly placed and sized relief valve installed in the pump discharge system is necessary for protection and to avoid dangerous overpressure The relief valve set pressure should not be more than 25 above the design operating pressure and should discharge to the tank or to the atmosphere toward the ground It must not be directed back to the pump suction system CAUTION All pumps should be installed level For mobile applications the maximum angle of intermittent operation should be no more than 5 in any one direction Improper installation or use could result in loss of life 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 STARTING THE PUMP Fill pump crankcase with recommended oil to the half way point on the oil level sight glass approximately 8
13. CAP HEX ST PL 3 8 24 x 1 20 TORQUE 7509 0085 00A TUBE FITTING 1 4 HOSE x 3 8 NPT 27734A000 SEAL OIL 050044123 BUSHING PIPE 3 8MPT x 1 8FPT 27727C001 PINION SHAFT ASSEMBLY 27725D000 HEAT EXCHANGER COVER 27740A001 PLATE RETAINING PINION SHAFT 27726B000 GASKET HEAT EXCHANGER COVER 27712D000 HOUSING BEARING 27724D000 HEAT EXCHANGER 19103A039 SCREW CAP HEX ST Z amp D 1 2 20UNF x 1 3 4 LG 75 TORQUE 27726B001 7509 0084 00A GASKET HEAT EXCHANGER TUBE FITTING 1 2 HOSE x 3 8 NPT 27740A000 PLATE RETAINING CRANKSHAFT 27771A001 KEY 7 8 SQ x 2 1 2 LG 029210011 SCREW CAP FL HD SOC 1 2 13 x 1 1 4 SST 120 TORQUE 277628000 RETAINING SPACER 19100A004 SCREW CAP HEX 5 16 SST 3 4 11 TORQUE 27728D000 GEAR HELICAL 7509 0047 00A WATER GUARD FILTER HEAD 27723D001 029210081 CRANKSHAFT ASSEMBLY SCREW CAP FL HD SOC 1 2 13 x 3 1 2 SST 75 TORQUE 05454A023 WASHER LOCK SST 1 4 TYPE SST 27745A000 SUPPORT BRACKET WATER GUARD FILTER 100 038234 273 SCREW CAP HEX HD 3 8 NC x 2 3 4 20 TORQUE 19099A003 SCREW CAP HEX 1 4 20UNC SST 1 2 LG 6 TORQUE 27756A002 PIN DOWEL TRANSITION TO POWER FRAME 277170000 ROD CONNECTING
14. awn 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 operation may be caused by a loose plunger 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 te Eng No 1 m
15. bronze which is press fitted into the eye of the connecting rod Carefully align the bushing with its hole and after applying oil to bushing O D use a hydraulic press to force it home When a bronze bushing is pressed into place the I D of the bushing is reduced somewhat owing to the extent of press fit A new wrist pin should be inserted into the bushing bore to establish that the running clearance has been obtained Replacement bushings are furnished pre bored eliminating the need to ream the installed bushing bore If interference is present lightly hone the bore of the bronze but do not reduce the pin size The bore of the bushing must be round and free of taper PINNING THE CROSSHEAD A press fit between the crosshead pin and crosshead is used to secure the pin against any motion A hydraulic press forces the pin through the bosses of the crosshead After installing the pin carefully check the crosshead to see if it is out of round The crosshead must be restored into its original roundness Precision Crankpin Crankthrow Bearings Myers pump crankpin bearings require no shimming to establish correct running clearance due to precise machining of the connecting rod caps and crankpin journals Crankpins which are worn out of round tapered or badly scored should be discarded Connecting rod cap bore must be perfectly round and within tolerance Discard if elliptical or tapered as the result of abnorma
16. f 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 completely 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
17. f 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 instructions provided b 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 i
18. ft is the drive shaft It has a helical gear that turns the large gear connected to the end of the crankshaft The bearings and spacers are all shrink fitted to the pinion shaft The retaining plate for the bearing is screwed into the end of the pinion shaft When removing the pinion shaft do not lie it down or pivot it too far in any direction as the bearing on the end will come apart Once the gear cover is removed the large gear can be disassembled and removed Unscrew the retaining plate covering the bearing on the pinion shaft end and remove the pinion shaft to perform maintenance HEAT EXCHANGER The heat exchanger consists of two plates on the back of the power end The first plate is mounted directly against the back end of the pump and the smaller plate is mounted against the first plate This two piece set up allows the oil that is inside the pump to transfer heat to the water running through the heat exchanger PACKING AND PLUNGERS Stuffing boxes with plungers separable from the extension rods are field replaceable The boxes plungers and packing units may be installed as a unit assembly All boxes are retained by four studs and nuts centered in the frame bore securing correct alignment The plungers may also be removed separately to simplify repacking Remove the extension rod to acquire the space required to remove the plunger Spring Loaded Packing The gland is screwed tightly onto the box and contacts the face
19. ion and start the threads of the box The packing rings and plunger surfaces are fragile and damage easily Once the gland threads are started screw down completely until it is tight against the face of the box for spring loaded packing For Hi Lo J Style or Gland adjusted packing tighten the gland until it is seated firmly against the packing INSTALLING THE STUFFING BOX The stuffing boxes are aligned from the bores of the power frame and the faces of the fluid end These surfaces must be cleaned of rust scale and dirt before assembly A nitrile rubber seal is used between the face of the fluid end and the face of the box Replace if damaged All stuffing boxes are retained by four large studs and nuts extending through the power end to clamp the box and the power frame tightly against the fluid end face These four stud nuts must be evenly tightened CONNECTING PLUNGER To install the metal baffle plate on the extension rod roll the pump slowly until the extension rod male threads just touch the mating plunger female threads and tighten the connection Do not use a cheater when connecting the plunger to extension rod PACKING Packing life usually is increased by proper lubrication An optional force feed lubricator assembly is recommended for pumps on continuous duty This provides a steady supply of lubricant to lower friction and heat Proper lubricator application aids the dissolving of salt to help prevent bui
20. l heating Each cap and rod is match marked for correct identification Check that all oil holes are clean and fully open All surfaces must be perfectly clean and lightly oiled prior to assembly Remove any burrs or sharp corners which may prevent the fitting of bearings HPL pumps utilize high strength cap bolts suitable for initial loadings maintained by hardened spring lock washers After all rods and caps are secured slowly turn the crankshaft to be sure bearings do not bind Examine the location of each connecting rod within its crosshead to verify it does not touch the crosshead boss or skirt CRANKSHAFT ASSEMBLY The HPL120 30 HPL120 30T crankshaft suspension utilizes a double row bearing and a single row bearing The crankshaft already has the correct running clearance so there is no need for shimming Thorough cleaning with solvent of all components prior to assembly is essential Remove any oil dirt rust and foreign matter which might prevent interference Crankshaft journals are critical Remove all burrs rust spots and nicks paying special attention to the ground areas on which bearings and oil seals operate Crankshaft Roller Bearings Shaft and frame tolerances provide a tight fit on the shaft Heat the retaining plate and inner race bearing assembly and promptly drop them onto the shaft The inner race must contact the seat thrust face Do not hammer on the bearing assembly as the soft steel cage is easily
21. ld up on the plungers in produced water applications In pumps placed in arctic service a special low pour point oil is recommended PLUNGERS Myers Rokide plungers consist of a chromium oxide deposition on a solid stainless steel body Ordinary handling will not damage the plunger but avoid striking the coated surface during installation All threads on these plungers must be clean and oiled before assembly Stainless steel has a tendency to gall and seize therefore an anti seizing lubricant is recommended Apply oil to the threads and the rubbing surface Solid ceramic plungers are also available They are fragile and vulnerable to thermal and mechanical shock Use only a rubber mallet to insert these into the packing THE PUMP MUST BE INSTALLED WITH A PRESSURE RELIEF VALVE IN DISCHARGE LINE TROUBLESHOOTING Pump fails to build pressure with discharge closed 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 COIN O oa 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
22. matter under pump valve 16 Loose plunger 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 Agate valve is sometimes installed 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 Asediment chamber should be installed in the suction line between the gate valve and the pump suction The strainers in these sediment chambers are to allo
23. n 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 g to any unit that has been repaired or altered by anyone other than Pentair Myers an authorized Pentair Myers service provider h 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 INNO 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 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
24. w 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 in the suction wall of the cylinder body or by air drawing past the packing on the suction stroke if the 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 a 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 o
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