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Weatherford MP-16 Operation & Maintenance Manual

Triplex pump, two piece fluid end - 5,000 psi
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Operations & Maintenance Manual
Model MP-16
Triplex Pump
Two Piece Fluid End - 5,000 PSI
Manual Part Number 1923778
January 2013

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Summary of Contents for Weatherford MP-16

  • Page 1 Operations & Maintenance Manual Model MP-16 Triplex Pump Two Piece Fluid End - 5,000 PSI Manual Part Number 1923778 January 2013...

  • Page 2: Table Of Contents

    Chapter 4: Maintenance ..................27 4.1 Tools & Equipment ..................... 27 4.1.1 Tools & Equipment Used ..................27 4.2 General Maintenance Guidelines ............... 27 4.2.1 Initial Operations Maintenance ................28 4.2.2 Fastener Torque Specifications ................28 weatherford.com MP-16 2-Piece 5000 psi January 2013...
  • Page 3 Removing the Crankshaft Assembly ..............68 5.2.5 Removing the Main Bearing .................. 70 5.2.6 Removing the Connecting Rods ................72 5.2.7 Removing the Wrist Pin Bearings................74 5.2.8 Turning the Main Gear ..................75 weatherford.com MP-16 2-Piece 5000 psi January 2013...
  • Page 4 L-Style Valve Plug Assembly ................109 7.2.3 L-Style Discharge Module Assembly ..............110 7.2.4 Liner Assembly ....................111 7.3 Expendable Components Assemblies .............. 112 7.3.1 Piston Assembly ....................112 7.3.2 Valve Assemblies ....................113 weatherford.com MP-16 2-Piece 5000 psi January 2013...

  • Page 5: Product Details

    Chapter 1: Introduction Chapter 1: Introduction This manual is designed to provide instruction in the use of the Weatherford MP-16 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-16 2-Piece 5000 psi January 2013...

  • Page 7: Chapter 1: Introduction

    The information contained in this document has been expanded to include not only the core systems and functions of the MP-16 pump, but also optional features that may be incorporated into the system.

  • Page 8: Safety Summary

    CAUTION safety notes are very important and should be followed 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-16 2-Piece 5000 psi January 2013...

  • Page 9: General Safety

    MP-16 2-Piece 5000 psi January 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-16 2-Piece 5000 psi January 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-16 2-Piece 5000 psi January 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-16 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

    For direct coupled installations, ensure that the coupling is secure, then install all cages and guards and secure into position. 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-16 2-Piece 5000 psi January 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-16 2-Piece 5000 psi January 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-16 2-Piece 5000 psi January 2013...

  • Page 17: Discharge System

    It is highly recommended that a bypass line be utilized. It will help to ease the start up torque requirements on the primary driver, allow a low discharge of pressure to help pump priming and ensure that lubrication is established prior to the load being applied. weatherford.com MP-16 2-Piece 5000 psi January 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-16 2-Piece 5000 psi January 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-16 2-Piece 5000 psi January 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-16 2-Piece 5000 psi January 2013...

  • Page 21: Storage

    2.2.1 General Storage Guidelines If the MP-16 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-16 2-Piece 5000 psi January 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-16 2-Piece 5000 psi January 2013...

  • Page 24: Chapter 3: Operations

    Pump and Fluid Systems Chapter 2: Storage & Installation Chapter 3: Operations This section covers all standard procedures used to operate the MP-16 triplex pump. It includes all basic operational guidelines and recommendations, as well as pump startup and shutdown procedures.

  • Page 25: Pre-Start Checklist

    □ Ensure the breather cap and covers are in place prior to starting the pump. weatherford.com MP-16 2-Piece 5000 psi January 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-16 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-16 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-16 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-16 2-Piece 5000 psi January 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-16 2-Piece 5000 psi January 2013...

  • Page 31: Rapid Piston & Liner Wear

    150°F, then it will attack and rapidly deteriorate the piston cups and valve discs. 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-16 2-Piece 5000 psi January 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-16 2-Piece 5000 psi January 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-16 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-16 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

    When checking the oil level during operations, always allow the pump to remain idle for five minutes in order to ensure that the oil level stabilizes. weatherford.com MP-16 2-Piece 5000 psi January 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-16 2-Piece 5000 psi January 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-16 2-Piece 5000 psi January 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-16 2-Piece 5000 psi January 2013...

  • Page 39: Semiannual Maintenance Checklist

    Check all bolting safety wires. 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-16 2-Piece 5000 psi January 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-16 2-Piece 5000 psi January 2013...

  • Page 41: Piston & Liner Maintenance Procedures

    (fully retracted towards the power end). If there is not room enough between the piston and pony rods, slide the piston assembly into the Liner. weatherford.com MP-16 2-Piece 5000 psi January 2013...
  • Page 42 These parts are heavy and should be handled using a sling or other appropriate CAUTION handling device in order to avoid potential injury or equipment damage. weatherford.com MP-16 2-Piece 5000 psi January 2013...

  • Page 43: Removing The Liner & Wear Plate

    Use the procedure 4.6.1 Removing the liner and wear plate. Remove the wear plate from inside the liner retainer flange. Unbolt liner retainer flange and remove from discharge module. weatherford.com MP-16 2-Piece 5000 psi January 2013...
  • Page 44 Pump and Fluid Systems Chapter 5: Assembly/Disassembly Remove liner retainer seal and wear plate seal. weatherford.com MP-16 2-Piece 5000 psi January 2013...

  • Page 45: 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-16 pump. Remove the piston rod nut and slide the piston hub off of the piston rod.

  • Page 46: 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-16 2-Piece 5000 psi January 2013...

  • Page 47: Installing The Liner Retainer & Wear Plate

    A small amount of grease may be helpful in accomplishing this. Replace the liner retainer flange on the discharge module and bolt back into position. weatherford.com MP-16 2-Piece 5000 psi January 2013...

  • Page 48: Installing The Liner & Piston

    Pump and Fluid Systems Chapter 5: Assembly/Disassembly 4.6.6 Installing the Liner & Piston The following procedure outlines installing the liner and the piston into the MP-16 pump. If replacing components, it is important to remember that the liners are generally NOTE sturdier than the pistons, and have a significantly longer operational life.
  • Page 49 NOTE the liner into the flange and hammer on the retainer nut. Rotating the pump by the pinion turning tool, support the piston rod as the pin is guided into the pilot bore. weatherford.com MP-16 2-Piece 5000 psi January 2013...
  • Page 50 Assemble the clamp halves. Ensure that a gap of ½” or less exists between the clamp halves, but that they are not touching. If they touch, replace the clamps. Torque the bolts to 314 ft. lbs. weatherford.com MP-16 2-Piece 5000 psi January 2013...

  • Page 51: Valve Maintenance Procedures

    Valve Maintenance Procedures The following are the standard procedures for safely removing, replacing and maintaining the valves in the fluid end of the MP-16 pump. Even while at rest, the fluid end of the system is under significant pressure, which if accidentally or inappropriately released can cause CAUTION significant equipment damage and injury to nearby personnel.

  • Page 52: Removing The Valves

    If removing the seat, a hydraulic valve seat puller appropriate to that particular style of valve seat should be used to remove the seat from the bore, exercising care not to directly strike the valve seat. weatherford.com MP-16 2-Piece 5000 psi January 2013...

  • Page 53: Installing The Valves

    Exercise care not to strike the valve seat directly with a metal hammer or steel bar. Install the valve into the seat and center the spring on the valve. weatherford.com MP-16 2-Piece 5000 psi January 2013...
  • Page 54 After 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-16 2-Piece 5000 psi January 2013...

  • Page 55: Charts & Diagrams

    1,284 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-16 2-Piece 5000 psi January 2013...

  • Page 56: Lubrication Chart

    Reinstall drain plug and ensure it is secure. 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-16 2-Piece 5000 psi January 2013...

  • Page 57: Chapter 5: Assembly/Disassembly

    CAUTION nearby personnel if vented inappropriately. All pressure must be properly vented from the system before any maintenance on the MP-16 is performed (see 4.5.1: Venting Pressure in the Fluid End). 5.1.1 Removing the Discharge Manifold Remove the sections of the discharge piping connected to the discharge manifold.
  • Page 58 NOTE differ in appearance, but are removed in the same manner. Replace all of the gaskets and seals connecting the discharge manifold to the discharge modules. When doing so, always use new components. weatherford.com MP-16 2-Piece 5000 psi January 2013...

  • Page 59: Removing The Suction Manifold

    The suction manifold is a weighty piece of metal which can cause serious WARNING injury if dropped. Be sure the manifold is sufficiently supported before removing the cap screws. Carefully remove the suction manifold from the pump. weatherford.com MP-16 2-Piece 5000 psi January 2013...

  • Page 60: Removing The Fluid Modules

    Pump and Fluid Systems Chapter 5: Assembly/Disassembly 5.1.3 Removing the Fluid Modules The fluid cylinder of the MP-16 pump is composed of six separate modules, each of which may be removed and maintained separately from the others. Remove the Suction and Discharge manifolds as 5.1.2 and 5.1.1 respectively.
  • Page 61 Pump and Fluid Systems Chapter 5: Assembly/Disassembly Remove the suction module from the discharge module. Remove the suction module seal from the discharge module. Unbolt the discharge modules from the fluid end. weatherford.com MP-16 2-Piece 5000 psi January 2013...
  • Page 62 Pump and Fluid Systems Chapter 5: Assembly/Disassembly Remove the discharge module from the pump frame. weatherford.com MP-16 2-Piece 5000 psi January 2013...

  • Page 63: Installing The Fluid Modules & Manifolds

    Install the nuts on the studs and partially tighten the discharge modules into position on the power frame. Some adjustment may be necessary to install the bearing retainer flange. weatherford.com MP-16 2-Piece 5000 psi January 2013...
  • Page 64 Slide the suction manifolds into position on the discharge module attachment studs. Be careful not to damage the threads. Attach the nuts and torque the suction modules into position on the discharge modules. weatherford.com MP-16 2-Piece 5000 psi January 2013...
  • Page 65 Pump and Fluid Systems Chapter 5: Assembly/Disassembly Install the seals, wear plates, liner retainers and liners as per 4.6.5 and 4.6.6. Reinstall the suction and discharge modules as per weatherford.com MP-16 2-Piece 5000 psi January 2013...

  • Page 66: Discharge Cross Installation

    Pump and Fluid Systems Chapter 5: Assembly/Disassembly 5.1.5 Discharge Cross Installation The following procedure is used to install the discharge cross on the MP-16. Place the new discharge cross into position and bolt to secure to the discharge manifold and cross support.

  • Page 67: Power End Maintenance Procedures

    The following are the standard procedures for disassembling the various components and systems of the power end of the MP-16 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 68 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-16 2-Piece 5000 psi January 2013...
  • Page 69 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-16 2-Piece 5000 psi January 2013...

  • Page 70: Removing The Crosshead

    Remove the Wiper Box and Diaphragm Plate as per 5.2.1. Rotate the pump so the crosshead extension rod is fully extended towards the fluid end. Unbolt the extension rod from the crosshead. weatherford.com MP-16 2-Piece 5000 psi January 2013...
  • Page 71 Carefully slide the extension rod free of the crosshead and remove. Remove the nameplates from the side of the pump to gain access to the crossheads. Unbolt the wrist pin retainer plate from the crosshead. weatherford.com MP-16 2-Piece 5000 psi January 2013...
  • Page 72 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-16 2-Piece 5000 psi January 2013...

  • Page 73: 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-16 2-Piece 5000 psi January 2013...

  • Page 74: 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-16 2-Piece 5000 psi January 2013...
  • Page 75 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-16 2-Piece 5000 psi January 2013...

  • Page 76: 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-16 2-Piece 5000 psi January 2013...
  • Page 77 Pump and Fluid Systems 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-16 2-Piece 5000 psi January 2013...

  • Page 78: Removing The Connecting Rods

    Note that the outer race of the crankpin bearing will remain attached to the connecting rod, exposing the rollers, so care should be exercised to avoid potential damage to the crankpin bearing. weatherford.com MP-16 2-Piece 5000 psi January 2013...
  • Page 79 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-16 2-Piece 5000 psi January 2013...

  • Page 80: 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-16 2-Piece 5000 psi January 2013...

  • Page 81: Turning The Main Gear

    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 misalignment. weatherford.com MP-16 2-Piece 5000 psi January 2013...

  • Page 82: Removing 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-16 2-Piece 5000 psi January 2013...

  • Page 83: 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-16 2-Piece 5000 psi January 2013...
  • Page 84 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-16 2-Piece 5000 psi January 2013...
  • Page 85 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-16 2-Piece 5000 psi January 2013...

  • Page 86: Power End Assembly Procedures

    The following are the standard procedures for assembling the various components and systems of the power end of the MP-16 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 87 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-16 2-Piece 5000 psi January 2013...
  • Page 88 Pump and Fluid Systems 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-16 2-Piece 5000 psi January 2013...

  • Page 89: 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-16 2-Piece 5000 psi January 2013...
  • Page 90 Torque Chart on page 49. 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-16 2-Piece 5000 psi January 2013...

  • Page 91: 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-16 2-Piece 5000 psi January 2013...
  • Page 92 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-16 2-Piece 5000 psi January 2013...
  • Page 93 Pump and Fluid Systems 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-16 2-Piece 5000 psi January 2013...

  • Page 94: Installing The Main Bearing

    Reinstall the connecting rods as per 5.3.3 and check that the ends of the crankshaft and bearings are grease free. Reinstall the main bearing seals. Install the main bearings into the bearing carriers. Secure using the outer retainer ring. weatherford.com MP-16 2-Piece 5000 psi January 2013...
  • Page 95 Pump and Fluid Systems 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 49). weatherford.com MP-16 2-Piece 5000 psi January 2013...

  • Page 96: 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-16 2-Piece 5000 psi January 2013...

  • Page 97: Installing The Crankshaft Assembly

    Handle with extreme care and follow all applicable safety procedures when lifting this system. Bolt the main bearing housings into place to secure the crankshaft and reconnect the lube lines. weatherford.com MP-16 2-Piece 5000 psi January 2013...
  • Page 98 Pump and Fluid Systems Chapter 5: Assembly/Disassembly Replace the rear cover of the power frame and secure into place. Reattach the main bearing covers onto the power frame. weatherford.com MP-16 2-Piece 5000 psi January 2013...

  • Page 99: 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-16 2-Piece 5000 psi January 2013...
  • Page 100 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-16 2-Piece 5000 psi January 2013...
  • Page 101 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-16 2-Piece 5000 psi January 2013...

  • Page 102: 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-16 2-Piece 5000 psi January 2013...
  • Page 103 Fluid End: The portion of the pump which prevent return flow. handles the fluid being moved. Includes the fluid cylinder, valves and other systems. Also Drain Valve: See Valve, Drain. known as the Liquid End. weatherford.com MP-16 2-Piece 5000 psi January 2013...
  • Page 104 Liner Retainer: See Liner Bushing. Also known as the Pinion Shaft. Liner Retainer Nut: See Liner Lock Ring. Pinion Shaft: See Pinion Rod. Liner Spray System: See Liner Wash System. weatherford.com MP-16 2-Piece 5000 psi January 2013...
  • Page 105 Pump, Charging: pump that provides pressurized fluid flow to the suction of the main Shield: A type of guard designed to protect pump. against flying debris or components. weatherford.com MP-16 2-Piece 5000 psi January 2013...
  • Page 106 Vent: A system in the piping designed to remove aeration from the fluid. 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-16 2-Piece 5000 psi January 2013...
  • Page 107 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-16 2-Piece 5000 psi January 2013...

  • Page 108: Chapter 7: Parts Lists

    Chapter 7: Parts Lists Chapter 7: Parts Lists The following sheets contain the master parts lists for the MP-16 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 109: Power Frame Assembly

    1814075 Machining, Power Frame 0908884 Cover, Main Bearing 1133830 Gasket, Main Bearing Cover Bolt ⅝” – 11 UNC x 1½” 1124677 0879134 Washer, Flat 1134280 Cover, Crosshead 1771957 Gasket, Crosshead Cover 1134670 Screw weatherford.com MP-16 2-Piece 5000 psi January 2013...

  • Page 110: Crankshaft Assembly

    Bolt, Retainer 1134816 Retainer, Outer Race 1133857 Bearing, Crankpin 0908427 Strap, Eccentric 0908384 Crankshaft 0908408 Gear, Main Cap screw, 1½” – 8 UNC X 4½” 1124662 Nut, Lock, 1½” – 8 UNC 1133856 weatherford.com MP-16 2-Piece 5000 psi January 2013...

  • Page 111: Main Bearing Assembly

    Retainer, Main Bearing Inner Cap screw, DH ⅝” – 11 UNC x 1½” 1124696 1134820 Retainer, Main Bearing Outer 1133859 Bearing, Main 1134819 Carrier, Main Bearing, Left 1133825 Carrier, Main Bearing, Right 1133846 Spacer, Main Bearing weatherford.com MP-16 2-Piece 5000 psi January 2013...

  • Page 112: Pinion Assembly

    Washers, Lock M22 1134040 Carrier, Pinion Bearing 1134039 Gasket, Oil Seal Carrier 1134026 Shaft, Pinion Key, 2” x 2” x 8” 1124713 1134043 Turning Tool Bolt, ⅝” – 11 UNC x 2” 1124730 weatherford.com MP-16 2-Piece 5000 psi January 2013...

  • Page 113: Crosshead Assembly

    Spring, Wiper Box 1317786 Seal, Double Lip 1124898 O-Ring, 140 x 7 1134271 Retainer Ring, Wiper Box Seal 1134260 Guide, Upper Crosshead 1134268 Guide, Lower Crosshead 1134273 Bolt, Crosshead Guide 0509759 Locktite 1124930 Tie-Wire weatherford.com MP-16 2-Piece 5000 psi January 2013...

  • Page 114: L-Style Fluid End Assembly

    Manifold, Discharge 1231042 Seal, Discharge Manifold 1738845 Stud & Nut, Discharge Manifold Mounting 1903638 Stud & Nut, Fluid End Mounting 1317809 Seal, Module 1317069 Flange, Liner Retainer 1383132 Screws, Cap, Liner Plate Retainer weatherford.com MP-16 2-Piece 5000 psi January 2013...

  • Page 115: L-Style Suction Module Assembly

    7.2.2 L-Style Valve Plug Assembly Part Item Number Description Qty. 1317949 Plug, Valve Cover with Valve Gate 1317926 Guide, Valve Bushing 1738844 Stud, Valve Guide with Lock Nut 1317889 Bushing, Valve Guide 1012724 Nut, Lock weatherford.com MP-16 2-Piece 5000 psi January 2013...

  • Page 116: L-Style Discharge Module Assembly

    1418005 Stud, Suction Module Mounting with Nut 1317966 Gland, Valve Cover Screw 1317905 Flange, Valve Cover 1317766 Seal, Valve Cover 1418004 Locating Pins 1383132 Bolt, liner mounting plate 1317069 Flange, Liner Mounting MP-16 weatherford.com MP-16 2-Piece 5000 psi January 2013...

  • Page 117: Liner Assembly

    1317116 1317805 1317807 4.500” 1317159 1317175 1317805 1317807 5.000” 1317213 1317225 1317805 1317807 5.500” 1317264 1317276 1317805 1317807 6.000” 1317313 1317324 1317805 1317807 6.500” 1317359 1317370 1317805 1317807 7.000” 1317396 1317406 1317805 1317807 weatherford.com MP-16 2-Piece 5000 psi January 2013...

  • Page 118: Expendable Components Assemblies

    1317524 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, 7.00 inch 1317591 1317590 1317592 1317593 1317532 weatherford.com MP-16 2-Piece 5000 psi January 2013...

  • Page 119: Valve Assemblies

    1318014 1318014 1318012 1318012 1318013 1318013 Puller Head 1317878 1317878 1317876 1317876 1317877 1317877 Valve Seat Puller Kit* 1241141 1241141 1241141 1241141 1241141 1241141 *Valve puller kits do not contain the puller head weatherford.com MP-16 2-Piece 5000 psi January 2013...

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