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Weatherford MP-10 Operation & Maintenance Manual

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Operations & Maintenance Manual
Model MP-10
Triplex Pump
Two Piece Fluid End
Manual Part Number 02034085
April 2013

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Summary of Contents for Weatherford MP-10

  • Page 1 Operations & Maintenance Manual Model MP-10 Triplex Pump Two Piece Fluid End Manual Part Number 02034085 April 2013...

  • Page 2: Table Of Contents

    Chapter 4: Maintenance ..................29 4.1 Tools & Equipment ..................... 29 4.1.1 Tools & Equipment Used ..................29 4.2 General Maintenance Guidelines ............... 29 4.2.1 Initial Operations Maintenance ................30 4.2.2 Fastener Torque Specifications ................30 weatherford.com MP-10 Two Piece Fluid End April 2013...
  • Page 3 Removing the Crosshead ..................65 5.2.3 Removing the Crosshead Guides ................. 68 5.2.4 Removing the Crankshaft Assembly ..............69 5.2.5 Removing the Main Bearing .................. 71 5.2.6 Removing the Connecting Rods ................73 weatherford.com MP-10 Two Piece Fluid End April 2013...
  • Page 4 7.2 Fluid End Assembly (2-piece L Shaped) ............109 7.2.1 Fluid Module Assembly ..................110 7.2.2 Liners ........................111 7.2.3 Piston Assembly ....................112 7.3 Valve Assembly – 5K 2 piece fluid ends ............113 weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 5: Chapter 1: Introduction

    Chapter 1: Introduction Chapter 1: Introduction This manual is designed to provide instruction in the use of the Weatherford MP-10 pump. All personnel tasked with pump operation and maintenance should study all relevant sections in order to ensure the pump continues to operate at peak efficiency.

  • Page 6: General Dimensions

    Pump and Fluid Systems Chapter 1: Introduction 1.1.2 General Dimensions weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 7: Scope

    The information contained in this document has been expanded to include not only the core systems and functions of the MP-10 pump, but also optional features that may be incorporated into the system.

  • Page 8: Safety Summary

    CAUTION carefully. Failure to do so may result in equipment damage and/or personal injury. NOTE safety notes are used to notify personnel of information that is NOTE important, but not hazard related. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 9: General Safety

    MP-10 Two Piece Fluid End April 2013...

  • Page 10: Common Hazards

    Failure to properly maintain lubrication and filtration systems can result in various types of catastrophic system failures which themselves can cause serious injury and death. Institute a complete lubrication program at regular intervals, and inspect all systems before operation. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 11: Pump Specific Safety

    Failure to do so can result in equipment damage and potential injury. Zerk Fittings Do not leave Zerk fittings installed on this high-pressure equipment, as the extreme pressures handled by these systems can cause the Zerk check ball to blow out. weatherford.com MP-10 Two Piece Fluid End April 2013...
  • Page 12 Never modify the pump to perform beyond the rated specifications or use substitute parts or components without first consulting and receiving written consent from Weatherford. Failure to do so may put too much stress on certain components, which can result in catastrophic equipment failure, serious injury and/or death.

  • Page 13: Chapter 2: Storage & Installation

    2.1.1 Transport Skid The MP-10 comes mounted on a small I-beam style oilfield skid. This skid is designed to protect the pump during transport, but may be incorporated into the larger structural skid on site. However, this is not required, and users may remove the transport skid and mount the pump directly to a larger skid, usually one with power and inlet piping to reduce the overall size and weight of the equipment package.

  • Page 14: The Prime Mover

    Check the parts list sheet that came with this particular unit for recommended guards and cages used. Do not operate pump with loose cages or guards. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 15: Suction System

    However, do not install any metering device that causes a flow restriction on the suction piping. For full operating instructions and guidelines for this equipment, see the documentation provided by the manufacturer. weatherford.com MP-10 Two Piece Fluid End April 2013...
  • Page 16 The pressure relief valve outlet must not connect back to the pump WARNING suction line. This can cause uncontrollable pressure surges, which can result in equipment damage and significant injury to personnel. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 17: Discharge System

    Do not use air or oxygen to fill bladder, especially when pumping flammable fluids, as it may combust and cause catastrophic equipment WARNING failure and serious injury to personnel. In most cases, it is recommended that nitrogen is used to fill the bladder. weatherford.com MP-10 Two Piece Fluid End April 2013...
  • Page 18 A pressure gauge should be installed on the pump discharge, and a high-low pressure alarm system should be utilized to address problem conditions that could lead to pump failure. For full operating instructions and guidelines for this equipment, see the documentation provided by the manufacturer. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 19: Power End Preparation

    When in doubt, contact a Weatherford professional or manufacturer agent for information regarding the systems used. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 20: Installation Checklist

    Ensure the bypass line is properly installed and functioning. □ Check that the discharge piping is properly sized and that there are no components that may choke or disrupt flow (tight elbows, partial valves, metering devices, etc…) weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 21: Storage

    2.2.1 General Storage Guidelines If the MP-10 pump is to be idle for longer than a month, it should be prepared for storage. Pumps should always be stored in a dry, temperature controlled environment to minimize environmental effects and help to prevent equipment degradation.

  • Page 22: Special Conditions & Procedures

    During the inspection, the crankshaft should be rotated by hand at least 4 turns. Then re-coat all surfaces and components with rust-inhibiting oil. Drain and replace the rust inhibiting oil in the crankcase every six (6) months. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 23: Returning To Service

    Local weather conditions may require varying concentrations of coolants for optimal operation. Some trial and error may be required to get the best concentration of coolants for local conditions. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 24: Chapter 3: Operations

    Pump and Fluid Systems Chapter 2: Operations Chapter 3: Operations This section covers all standard procedures used to operate the MP-10 triplex pump. It includes all basic operational guidelines and recommendations, as well as pump startup and shutdown procedures. Starting Procedure The following startup procedure will help to ensure that the pump operates at maximum efficiency and will reduce the potential for damage during start-up.

  • Page 25: Pre-Start Checklist

    □ Ensure the breather cap and covers are in place prior to starting the pump. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 26: Start Up Procedure

    Chapter 3: Operations 3.1.3 Start Up Procedure The following is the recommended start up procedure for the MP-10 triplex pump. Ensure that all guards and safety devices are in place. If an external lubricating pump is used, engage it for 5 minutes prior to starting the prime mover.

  • Page 27: General Operations

    Low Speed Operation The MP-10 pump can be operated as slow as 5 strokes per minute and still achieve proper lubrication. However, it is recommended that any time the pump is operated at 30 strokes per minute or less, that the crosshead access covers be removed to check that the crossheads are being sufficiently supplied with oil.

  • Page 28: Basic Troubleshooting

    The following section provides a basic guide to dealing with potential problems which may occur while using the MP-10 pump. This section is intended only as a basic problem solving tool, to help users ascertain the nature of the problem and allow for basic repairs should something go wrong.

  • Page 29: Knocking In The Fluid End

    Also check that both the suction and discharge pulsation dampeners are properly charged and functional. If none of these solutions help, contact a Weatherford professional. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 30: Knocking In The Power End

    (as per 5.3.5: Installing the Wrist Pin Bearing). If none of these solutions help, contact a Weatherford professional. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 31: Rapid Piston & Liner Wear

    In all such cases, premium specialty components should be used to reduce deterioration. If none of these solutions help, contact a Weatherford professional. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 32: Difficulty Installing Liners In Liner Retention Flanges

    Check the piloting diameters for paint or burrs, and remove if discovered. Also check the liner retention flange, looking for an egg- shaped deformation in its structure. If found, remove and replace. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 33: Chapter 4: Maintenance

    The following list includes all of the standard tools and equipment used to perform basic maintenance on the MP-10 triplex pump. All are included in the basic maintenance kit, but the part numbers have been included here for easy replacement of lost or damaged items.

  • Page 34: Initial Operations Maintenance

    It is recommended that, in addition to the procedures and processes outlined below, the MP-10 triplex pump should receive a complete inspection about once every two years. This inspection should cover all components and systems, checking for wear and tear and ensuring that the pump is still in good operating condition.

  • Page 35: Lubrication

    4.3.3 Power End Lubrication Guidelines During operation, significant loads will be placed on the crankshaft, connecting rods and crossheads, and so a heavy duty industrial gear lubricant rated for extreme pressure should used. Consult weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 36: Pistons & Crosshead Extension Lubrication

    Effective cooling of the pistons and liners can only be accomplished if the temperature NOTE of the coolant is below that of the drilling fluid. Under certain circumstances, an external cooling system may be required to remove heat from the coolant fluid. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 37: Maintenance Schedules

    □ Check to ensure the pump is clean and ready for work. □ Check to ensure the work area around the pump is clean and free from hazards. □ Drain any piston leakage from the pump. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 38: Biweekly Maintenance Checklist

    □ Clean the liner wash pump strainer and the strainer in the strainer cross. □ Clean out the crankcase breather, replace as needed. □ Check all valves, seats and springs for wear and tear to ensure they are in good working order. Replace as needed. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 39: Semiannual Maintenance Checklist

    If broken, identify cause and correct before replacing. □ Check the tightness of the main bearing cap bolts and tighten as necessary. Units with “super bolts” will have the required torque stamped on top of the nut. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 40: Routine Maintenance Procedures

    Before installing any parts or components into the system, all parts should be gathered and checked to ensure they are ready for use before installation begins. This includes checking that all mountings, sealing faces and bores are clean and free of burrs, nicks and debris. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 41: Expendable Components Maintenance & Repair

    4.5.1 (Venting pressure in the fluid end) before beginning any maintenance procedures. 4.6.1 Removing the Discharge Valves The discharge valves of the MP-10 pump should only need to be removed in order to be replaced or during routine maintenance procedures. The following procedure provides guidelines for this removal.
  • Page 42 The discharge valve seat should only be removed if the valve is to be replaced. To remove, insert a hydraulic seat puller into the bore and extract, exercising care not to strike the seat directly. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 43: Removing The Suction Valves

    Chapter 5: Assembly/Disassembly 4.6.2 Removing the Suction Valves The MP-10 suction may be removed for replacement or as part of a routine maintenance, but also will need to be removed in order to provide access to the liner and piston assemblies.
  • Page 44 Look at and feel the valve seat NOTE to determine if it is worn or cracked. If damaged, replace. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 45: Removing The Liners

    Chapter 5: Assembly/Disassembly 4.6.1 Removing the Pistons & Liners Removing the pistons from the MP-10 two piece pump should be accomplished by sliding them out the front of the valve bore along with the liners. Use the following procedure. Unbolt and remove rod clamps. Rotate pump by hand to push the piston and rod to the front of the liner.
  • Page 46 To prevent leakage after reassembly, replace all seal rings with new parts. Exercising care not to drop or damage. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 47: Piston Disassembly & Parts Replacement

    4.6.3 Piston Disassembly & Parts Replacement The following procedure is intended to be used to disassemble and replace the component parts for the pistons on the MP-10 pump. Remove the piston rod nut and slide the piston hub off of the piston rod.

  • Page 48: Piston Cup Replacement

    To remove, simply remove the snap ring from the front of the hub and slide the piston cup free. To reinstall, simply slide the new cup onto the hub and secure in place with a snap ring. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 49: Installing The Suction Valves

    Pump and Fluid Systems Chapter 5: Assembly/Disassembly 4.6.5 Installing the Suction Valves The MP-10 suction valves should be replaced using the following procedure. The suction block should be open with an inspected an approved valve seat in place. Set the new valve into position on the seat.
  • Page 50 Once maintenance is complete and the pump is reassembled, run for approximately 15 minutes, then shut down the pump and release the pressure. Tighten the valve corner again with a sledgehammer and resume pumping. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 51: Installing The Discharge Valves

    Pump and Fluid Systems Chapter 5: Assembly/Disassembly 4.6.6 Installing the Discharge Valves The following procedure provides guidelines for the installation of the MP-10 Discharge Valve. If not already out, unscrew the discharge valve cover from the discharge module. This should also remove the valve stem guide, which is affixed to the cover by means of a valve guide.
  • Page 52 Set the valve plug covers in place over the protruding valve stem, ensuring that the valve stem guide lines up with the discharge valve. weatherford.com MP-10 Two Piece Fluid End April 2013...
  • Page 53 Once maintenance is complete and the pump is reassembled, run for approximately 15 minutes, then shut down the pump and release the pressure. Tighten the valve corner again with a sledgehammer and resume pumping. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 54: Installing The Pistons & Liners

    Screw the nut into position and hammer tight using a steel bar and a sledge hammer. Reattach the rod clamps and make a test run. Tighten liner retainer nut if it leaks. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 55: Charts & Diagrams

    1 3/8 - 8 1.215 91,125 2,328 1,744 1 1/2 - 8 1.471 110,325 3,076 2,303 1 5/8 - 8 1.769 132,675 4,006 3,000 1 3/4 - 8 2.06 154,500 5,024 3,763 weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 56: Lubrication Chart

    Refill the crankcase with the correct oil type (see above) through the cover plate opening. NOTE Oil may require pre-filtering to obtain an acceptable cleanliness level. Replace the cover plate and gasket. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 57: Chapter 5: Assembly/Disassembly

    The following are the standard procedures for removing and replacing the components of the MP-10 pump fluid end. All personnel involved in these procedures should possess a thorough understanding of all steps in the process, especially any safety regulations involved.
  • Page 58 Remove the pressure relief valve and any other components from the discharge cross in accordance with the manufacturer’s instructions. Unbolt the discharge cross from its support and the discharge manifold, and remove. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 59: Suction Manifold Removal

    Pump and Fluid Systems Chapter 5: Assembly/Disassembly 5.1.2 Suction Manifold Removal The following outlines the proper procedure for removing the MP-10 suction manifold. Be sure to discharge all pressure from the system, and then disconnect any piping connected to the suction manifold.

  • Page 60: Discharge Manifold Removal

    Pump and Fluid Systems Chapter 5: Assembly/Disassembly 5.1.3 Discharge Manifold Removal The following outlines the proper procedure for removing the MP-10 discharge manifold. Remove the discharge cross as per 5.1.1 and the section of the discharge piping connected to the discharge manifold.

  • Page 61: Fluid Module Removal

    WARNING handled improperly. Be sure module properly supported before unbolting. Slide the fluid module off the power frame, taking care not to damage the mounting studs. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 62: Fluid Module Installation

    Once the fluid modules are secure on the power frame, reinstall the Pistons and Liners as per 4.6.9, and the manifolds as per 5.1.2 and 5.1.3. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 63: Suction Manifold Installation

    Pump and Fluid Systems Chapter 5: Assembly/Disassembly 5.1.6 Suction Manifold Installation The following procedures should be used to install the suction manifold onto the MP-10. Install the suction manifold seals into the counter bores and slide the Suction Manifold into position.

  • Page 64: Discharge Manifold Installation

    Pump and Fluid Systems Chapter 5: Assembly/Disassembly 5.1.7 Discharge Manifold Installation The following procedures should be used to install the discharge manifold onto the MP-10. Replace all of the gaskets and seals connecting the discharge manifold to the discharge modules and slide the new manifold into position on the pump.

  • Page 65: Discharge Cross Installation

    Pump and Fluid Systems Chapter 5: Assembly/Disassembly 5.1.8 Discharge Cross Installation The following procedure is used to install the discharge cross on the MP-10. Place the discharge cross into position and bolt to secure to the discharge manifold and cross support.

  • Page 66: Power End Maintenance Procedures

    The following are the standard procedures for disassembling the various components and systems of the power end of the MP-10 pump. All personnel involved in the disassembly of the power end must possess a thorough understanding of all of the following procedures, especially any and all safety regulations involved.
  • Page 67 Remove the bolts affixing the wiper box to the diaphragm plate. Slide the wiper box off the crosshead extension and out of the pump frame. weatherford.com MP-10 Two Piece Fluid End April 2013...
  • Page 68 Pump and Fluid Systems Chapter 5: Assembly/Disassembly Unbolt the diaphragm plate and gasket, and slide free of the frame. The resulting opening should be large enough to permit the removal of the crosshead. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 69: Removing The Crosshead

    Rotate the pump so the crosshead extension rod is fully extended towards the fluid end. Unbolt the extension rod from the crosshead. Carefully slide the extension rod free of the crosshead and remove. weatherford.com MP-10 Two Piece Fluid End April 2013...
  • Page 70 Unbolt the wrist pin retainer plate from the crosshead. Utilize the tapped holes in the retainer plate to jack the wrist pin from the crosshead and mark to indicate which crosshead they were removed from. weatherford.com MP-10 Two Piece Fluid End April 2013...
  • Page 71 Pump and Fluid Systems Chapter 5: Assembly/Disassembly Remove the crossheads through the hole created by removing the diaphragm plates. Place wooden boards on the crosshead guides to prevent scoring by the connecting rod ends. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 72: Removing The Crosshead Guides

    It is extremely important to make note of the size and placement of shims during NOTE removal. Failure to do so can result in excessive piston and liner wear due to misalignment. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 73: Removing The Crankshaft Assembly

    However, in order to perform NOTE full maintenance on the bearings, the crankshaft assembly will need to be removed. Remove the back cover of the power frame. weatherford.com MP-10 Two Piece Fluid End April 2013...
  • Page 74 WARNING allowed to impact other objects or personnel. Handle with extreme care and follow all applicable safety procedures when lifting this system. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 75: Removing The Main Bearing

    Loosen the main bearing. To do so, loosen the bolts on the outer retainer 2 or 3 turns, and then inject grease into the grooves in the race until the bearing becomes loose on the shaft. weatherford.com MP-10 Two Piece Fluid End April 2013...
  • Page 76 Chapter 5: Assembly/Disassembly Remove the bolts and inner retainer from the main bearing. Slide the main bearing and shims free of the crankshaft. Remove the main bearing oil seals from the crankshaft. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 77: Removing The Connecting Rods

    The outer race of the crankpin bearing will remain attached to the connecting rod, exposing the NOTE rollers, so care should be exercised to avoid potential damage to the crankpin bearing. weatherford.com MP-10 Two Piece Fluid End April 2013...
  • Page 78 Make sure that all bearing parts are kept WARNING with the same bearing. Do not mix parts between the bearings. Slide the crankpin bearing inner race off of the crankshaft. Remove the crankpin bearing shoulder. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 79: Removing The Wrist Pin Bearings

    200°F to press the wrist pin out of it. During this process, parts can become extremely hot. Allow a few minutes WARNING after heating for the races to stabilize, and handle with care. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 80: Turning The Main Gear

    It is helpful to place match marks on the crankshaft gear flange so NOTE that the main gear can be reinstalled in exactly the same position. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 81: Removing The Pinion Shaft & Bearings

    Disconnect the oil lube lines and drain, and then unbolt the pinion oil seal plate. Be sure to support the pinion shaft to prevent it from moving. Slide the oil seal plate and spacer free of the pinion shaft. weatherford.com MP-10 Two Piece Fluid End April 2013...
  • Page 82 Unscrew and remove the bolts and washers securing the pinion bearing carrier to the power frame. Use the jackscrew holes in the pinion bearing carrier and remove it and the spacer from the power frame. weatherford.com MP-10 Two Piece Fluid End April 2013...
  • Page 83 Since the bearings are carrier mounted, the shaft can be removed out of either side of the frame. However, be sure to note its original orientation, as it should be replaced facing the same direction. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 84: Power End Assembly Procedures

    The following are the standard procedures for assembling the various components and systems of the power end of the MP-10 pump. All personnel involved in the assembly of the power end must possess a thorough understanding of all of the following procedures, especially any and all safety regulations involved.
  • Page 85 Slide the bearing carrier assemblies and gaskets over the pinion shaft and into the pump frame, exercising caution as they meet the inner race. Install the pinion oil seal and race onto the pinion shaft. weatherford.com MP-10 Two Piece Fluid End April 2013...
  • Page 86 Chapter 5: Assembly/Disassembly Reinstall the oil seal place and spacer on the pinion shaft. Once all maintenance is complete, reconnect the oil lube lines and pressurize the system. Reattach key as required. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 87: Mounting The Main Gear

    200°F, and only heat as much as is necessary. During this process, parts can become extremely hot. Allow a few minutes WARNING after heating for the gear to stabilize, and handle with care. weatherford.com MP-10 Two Piece Fluid End April 2013...
  • Page 88 Torque Chart on page 51. Always use new bolts when mounting the main gear. Reinstall the connecting rod between the right end of the crankshaft and the gear as per 5.3.3 Installing the Connecting Rods & Bearings. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 89: Installing The Connecting Rods & Bearings

    Allow a few minutes after heating for the gear WARNING to stabilize, and handle with care. Do not overheat or apply flame directly to the connecting rods. Reinstall the bearing shoulder onto the crankshaft. weatherford.com MP-10 Two Piece Fluid End April 2013...
  • Page 90 Install the inner retainer to lock the bearing into place. Slide the connecting rods back into position on the crankshaft, exercising care not to bump or damage the main gear. weatherford.com MP-10 Two Piece Fluid End April 2013...
  • Page 91 Chapter 5: Assembly/Disassembly Secure the connecting rod into position by installing the outer bearing retainer. Reinstall the main bearings as per 5.3.4. Reinstall the crankshaft into the power frame as per 5.3.6. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 92: Installing The Main Bearing

    Reinstall the main bearing seals. Install the main bearings into the bearing carriers. Secure using the outer retainer ring. weatherford.com MP-10 Two Piece Fluid End April 2013...
  • Page 93 Chapter 5: Assembly/Disassembly Slide the main bearing and carrier onto the taper. Install the inner retainer of the main bearing and bolt all retainers in accordance with the Torque Chart (page 51). weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 94: Installing The Wrist Pin Bearing

    Heat the inner race of the wrist pin bearing and then slide into position on the wrist pin. Allow to cool before going any further with the assembly procedures. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 95: Installing The Crankshaft Assembly

    This preload is obtained by placing the correct amount of shims under the main bearing cap. The required amount of shims is determined as follows: weatherford.com MP-10 Two Piece Fluid End April 2013...
  • Page 96 Install main bearing caps with the correct amount of shims as determined above and tighten main bearing bolts to torque values.  Again check inner and outer row of rollers on each bearing as previously outlined to assure equal loading is still present on each bearing. weatherford.com MP-10 Two Piece Fluid End April 2013...
  • Page 97 KoprKote, NevrSeez or even clean, new motor oil. Replace the rear cover of the power frame and secure into place. Reattach the main bearing covers onto the power frame. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 98: Installing The Crossheads & Crosshead Guides

    Insert the crosshead into the power frame, aligning the wrist pin slot in the center with the wrist pin slot in the connecting rod. weatherford.com MP-10 Two Piece Fluid End April 2013...
  • Page 99 Bolt the wrist pin to secure into place, and the reinstall the name plates on the side of the pump. Slide the extension rod into position on the crosshead and bolt to secure. weatherford.com MP-10 Two Piece Fluid End April 2013...
  • Page 100 Check the wiper box for damaged or defective components, then reinsert into position on the diaphragm and bolt to secure. Reinstall the baffle into position on the extension rod. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 101: Chapter 6: Glossary

    Breather: A vent which allows for pressure through eccentric rotation. Main bearings and equalization between the inside and the outside connecting rods are fitted to this component. of the pump. Bull Gear: See Main Gear. weatherford.com MP-10 Two Piece Fluid End April 2013...
  • Page 102 Fluid End: The portion of the pump which prevent return flow. handles the fluid being moved which includes the fluid cylinder, valves and other systems. Drain Valve: See Valve, Drain. Also known as the Liquid End. weatherford.com MP-10 Two Piece Fluid End April 2013...
  • Page 103 Liner Retainer Nut: See Liner Lock Ring. Pinion Shaft: See Pinion Rod. Liner Spray System: See Liner Wash System. Piston: A rod which is attached to the crosshead and is capable of exerting pressure upon the weatherford.com MP-10 Two Piece Fluid End April 2013...
  • Page 104 Shield: A type of guard designed to protect pump. against flying debris or components. Pump, External Lubricating: An electrically powered pump located outside of the power weatherford.com MP-10 Two Piece Fluid End April 2013...
  • Page 105 Torque: A measure of twisting force, usually indicated in terms of foot-pounds. Wear Plate: A component used to reduce wear and add support. Triplex Pump: See Pump, Triplex. weatherford.com MP-10 Two Piece Fluid End April 2013...
  • Page 106 Wrist Pin: The component which connects the connecting rod to the crosshead. Wrist Pin Bearing: See Bearing, Wrist Pin. Zerk Fitting: A lubrication fitting in mechanical systems used to allow grease to be added with a grease gun. weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 107: Chapter 7: Parts Lists

    Chapter 7: Parts Lists Chapter 7: Parts Lists The following sheets contain the master parts lists for the MP-10 triplex pump. These lists are designed to be comprehensive to every pump made, and so may include parts and systems that are not included on the particular unit this manual came with. For a specific list of exactly which parts and components are on a particular unit, consult the specifications sheet that came with the pump.

  • Page 108: Power Frame Assembly

    Cover, Main Bearing 1124651 Gasket, Main Bearing Cover 1280235 Bolt, Main Bearing Housing 1280203 Breather Cap Screw 7/8” 1124696 Seal, Stato 5/8” ID 1280223 Screw 7/8” 1124696 Seal, Stato 5/8” ID 1280223 weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 109: Crankshaft Assembly

    Bolt, Retainer 1124656 Retainer, Crankpin Outer 1280232 Bearing, Eccentric 0908362 Rod, Connecting 0908355 Crankshaft 0908357 Gear, Main Cap screw, 1½” – 8 UNC X 4½” 1124662 Nut, Lock, 1½” – 8 UNC 1124664 weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 110: Main Bearing Assembly

    Cap screw, DH ⅝” – 11 UNC x 1½” 1124677 1124669 Retainer, Main Bearing Outer 1280233 Bearing, Main 1124646 Carrier, Main Bearing, Left 1124668 Carrier, Main Bearing, Right 1124666 Spacer, Main Bearing weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 111: Pinion Assembly

    0215371 Washers, Lock 1124729 Carrier, Pinion Bearing 1124723 Shaft, Pinion Key, 2” x 2” x 8” 1124713 1010502 Bolt, Key 1280234 Tool, Pinion Turning Bolt, ⅝” – 11 UNC x 2” 1280238 weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 112: Crosshead Assembly

    O-ring, Wiper Box Front Plate Screw, Cap ⅜” – 16 UNC x 1½” 1280249 1124901 Retainer Ring, Seal, Diaphragm, Wiper Box 1124888 Plate, Locking, Crosshead Guide 0908042 Washer M10 1124917 Tie-Wire 0509759 Locktite weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 113: Fluid End Assembly (2-Piece L Shaped)

    0766960 O-Ring, Discharge Manifold Seal 1124941 Manifold, Discharge 0767109 O-Ring, Suction Manifold Seal Cap screw, HH ⅞” – 9 UNC x 45mm 1236089 1125002 Washer, Flat 1125003 Manifold, Suction 1125010 Dampener, Suction weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 114: Fluid Module Assembly

    Seal, Wear Plate 1317004 Module, Discharge, Studded 1317865 Rod, Sub Studded 1317926 Guide, Valve 1317889 Bushing, Valve Guide 1317949 Plug, Valve Cover with Guide 1317905 Flange, Valve Cover 1738846 Stud & Nut Power End weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 115: Liners

    1317734 1317736 4.500” 1317155 1317166 1317734 1317736 5.000” 1279784 1317220 1317734 1317736 5.500” 1279787 1317271 1317734 1317736 6.000” 1279819 1317319 1317734 1317736 6.500” 1317356 1317365 1317734 1317736 6.750” 1317375 1317383 1317734 1317736 weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 116: Piston Assembly

    Piston, 5.50 inch 1317566 1317565 1317567 1317568 1317526 Piston, 6.00 inch 1317574 1317573 1317575 1317576 1317528 Piston, 6.50 inch 1317582 1317581 1317584 1317585 1317530 Piston, 6.75 inch 1317587 1317586 1317588 1317589 1317531 weatherford.com MP-10 Two Piece Fluid End April 2013...

  • Page 117: Valve Assembly - 5K 2 Piece Fluid Ends

    1318008 1318006 1318006 1318007 1318007 Puller Head 1317875 1317875 1317872 1317872 1317874 1317874 Valve Seat Puller Kit* 1241141 1241141 1241141 1241141 1241141 1241141 *Valve puller kits do not contain the puller head weatherford.com MP-10 Two Piece Fluid End April 2013...

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