Pentair Myers Aplex Series Installation And Service Manual
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Pentair Myers Aplex Series Installation And Service Manual

Pentair Myers Aplex Series Installation And Service Manual

Triplex pumps
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MODELS
MA-15M, MA-15H, MA-25L, MA-25M, MA-40L, MA-40M,
SC-30, SC-30H, SC-45L, SC-45, SC-45H, SC-65L, SC-65, SC-65H
TRIPLEX PUMPS
INSTALLATION AND SERVICE MANUAL
NOTE! To the installer: Please make sure you provide this manual to the owner of the equip ment or to the responsible
party who maintains the system.
Part # AP-03-102 | © 2017 Pentair plc | 05/09/17

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  • Page 1 INSTALLATION AND SERVICE MANUAL NOTE! To the installer: Please make sure you provide this manual to the owner of the equip ment or to the responsible party who maintains the system. Part # AP-03-102 | © 2017 Pentair plc | 05/09/17...
  • Page 2 Engineering Data Mechanical Oil Seal ..........26 MA-15M ..............3 Inserting the Plunger ..........26 MA-15H..............4 Stuffing Box, Packing and Plunger Assemblies ..26 MA-25L ..............5 General .............. 26-27 MA-25M ..............6 Spring Loaded Packing ...........27 MA-40L ..............7 Hi/Lo Gland Adjustable Packing ......27 MA-40M ..............
  • Page 3 MA-15M ENGINEERING DATA MA-15M ENGINEERING DATA Power End Liquid End (Continued) Model Triplex Pump MA-15M Plunger Type Rokide Stainless Steel: ® Chromium Oxide-Coated 316 S.S. Maximum Input HP at Speed 15 at 650 rpm Stuffing Boxes, Field-Removable and Replaceable: Rated Continuous Plunger Load 1,828 lbs.
  • Page 4 MA-15H ENGINEERING DATA MA-15H ENGINEERING DATA Power End Liquid End (Continued) Model Triplex Pump MA-15H Plunger Type Rokide Stainless Steel: ® Chromium Oxide-Coated 316 S.S. Maximum Input HP at Speed 15 at 650 rpm Stuffing Boxes, Field-Removable and Replaceable: Rated Continuous Plunger Load 2,209 lbs.
  • Page 5 MA-25L ENGINEERING DATA MA-25L ENGINEERING DATA Liquid End (Continued) Power End Plunger Type Rokide Stainless Steel: Model Triplex Pump MA-25L ® Chromium Oxide-Coated 316 S.S. Maximum Input HP at Speed 25 at 600 rpm Stuffing Boxes, Field-Removable and Replaceable: Rated Continuous Plunger Load 2,475 lbs.
  • Page 6 MA-25M ENGINEERING DATA MA-25M ENGINEERING DATA Power End Liquid End (Continued) Model Triplex Pump MA-25M Plunger Type Rokide Stainless Steel: ® Chromium Oxide-Coated 316 S.S. Maximum Input HP at Speed 25 at 600 rpm Stuffing Boxes, Field-Removable and Replaceable: Rated Continuous Plunger Load 2,475 lbs.
  • Page 7 MA-40L ENGINEERING DATA MA-40L ENGINEERING DATA Power End Liquid End (Continued) Model Triplex Pump MA-40L Plunger Type Rokide Stainless Steel: ® Chromium Oxide-Coated 316 S.S. Maximum Input HP at Speed 40 at 550 rpm Stuffing Boxes, Field-Removable and Replaceable: Rated Continuous Plunger Load 3,456 lbs.
  • Page 8 MA-40M ENGINEERING DATA MA-40M ENGINEERING DATA Power End Liquid End (Continued) Model Triplex Pump MA-40M Plunger Type Rokide Stainless Steel: ® Chromium Oxide-Coated 416 S.S. Maximum Input HP at Speed 33 at 600 rpm Stuffing Boxes, Field-Removable and Replaceable: Rated Continuous Plunger Load 2,851 lbs.
  • Page 9 SC-30 ENGINEERING DATA SC-30 ENGINEERING DATA Power End Liquid End (Continued) Model Triplex Pump SC-30 Plunger Type Rokide Stainless Steel: ® Chromium Oxide-Coated 316 S.S. Maximum Input HP at Speed 40 at 650 rpm Stuffing Boxes, Field-Removable and Replaceable: Rated Continuous Plunger Load 4,193 lbs.
  • Page 10 SC-30H ENGINEERING DATA SC-30H ENGINEERING DATA Power End Liquid End (Continued) Model Triplex Pump SC-30H Plunger Type Rokide Stainless Steel: ® Chromium Oxide-Coated 316 S.S. Maximum Input HP at Speed 40 at 650 rpm Stuffing Boxes, Field-Removable and Replaceable: Rated Continuous Plunger Load 4,193 lbs.
  • Page 11 SC-45L ENGINEERING DATA SC-45L ENGINEERING DATA Power End Liquid End (Continued) Model Triplex Pump SC-45L Plunger Type Rokide Stainless Steel: ® Chromium Oxide-Coated 416 S.S. Maximum Input HP at Speed 60 at 600 rpm Stuffing Boxes, Field-Removable and Replaceable: Rated Continuous Plunger Load 5,280 lbs.
  • Page 12 SC-45 ENGINEERING DATA SC-45 ENGINEERING DATA Power End Liquid End (Continued) Model Triplex Pump SC-45 Plunger Type Rokide Stainless Steel: ® Chromium Oxide-Coated 416 S.S. Maximum Input HP at Speed 60 at 600 rpm Stuffing Boxes, Field-Removable and Replaceable: Rated Continuous Plunger Load 5,280 lbs.
  • Page 13 SC-45H ENGINEERING DATA SC-45H ENGINEERING DATA Power End Liquid End (Continued) Model Triplex Pump SC-45H Plunger Type Rokide Stainless Steel: ® Chromium Oxide-Coated 316 S.S. Maximum Input HP at Speed 60 at 600 rpm Stuffing Boxes, Field-Removable and Replaceable: Rated Continuous Plunger Load 5,280 lbs.
  • Page 14 SC-65L ENGINEERING DATA SC-65L ENGINEERING DATA Power End Liquid End (Continued) Model Triplex Pump SC-65L Plunger Type Rokide Stainless Steel: ® Chromium Oxide-Coated 416 S.S. Maximum Input HP at Speed 92 at 550 rpm Stuffing Boxes, Field-Removable and Replaceable: Rated Continuous Plunger Load 7,216 lbs.
  • Page 15 SC-65 ENGINEERING DATA SC-65 ENGINEERING DATA Power End Liquid End (Continued) Model Triplex Pump SC-65 Plunger Type Rokide Stainless Steel: ® Chromium Oxide-Coated 416 S.S. Maximum Input HP at Speed 92 at 550 rpm Stuffing Boxes, Field-Removable and Replaceable: Rated Continuous Plunger Load 7,216 lbs.
  • Page 16 SC-65H ENGINEERING DATA SC-65H ENGINEERING DATA Power End Liquid End (Continued) Model Triplex Pump SC-65H Plunger Type Rokide Stainless Steel: ® Chromium Oxide-Coated 416 S.S. Maximum Input HP at Speed 92 at 550 rpm Stuffing Boxes, Field-Removable and Replaceable: Rated Continuous Plunger Load 7,216 lbs.
  • Page 17 CROSS-SECTION DIMENSIONAL DATA TABLE Ref. No. MA-15M MA-15H MA-25L MA-25M MA-40L MA-40M SC-30 SC-30H SC-45 SC-45L SC-45H SC-65 SC-65L SC-65H 8-1/4 8-1/4 7-7/8 9-1/4 9-3/4 6-9/16 6-9/16 7-7/8 7-7/8 7-7/8 9-3/4 17-1/2 17-1/2 18-5/8 25-3/4 28-1/4 15-1/16 15-1/16 18-5/8 18-5/8 18-5/8 26-1/4 25-3/4...
  • Page 18 DIMENSIONAL DRAWINGS F5 DIA. HOLE 4 PLACES CRANKSHAFT PUMP TYP. FOUNDATION PLAN Cast Fluid End PUMP OIL LEVEL DISCHARGE CONNECTION DIPSTICK SUCTION CONNECTION CRADLE DRAIN OIL DRAIN PLUG NOTE REQUIRED Cast Fluid End DIRECTION OF ROTATION PUMP DISCHARGE CONNECTION OIL LEVEL DIPSTICK SUCTION CONNECTION CRADLE DRAIN...
  • Page 19 INSTALLATION, OPERATION, PUMP LOCATION AND PIPING DESIGN LUBRICATION, Locate pump and driver in a clean, well drained, MAINTENANCE AND ventilated, and brightly illuminated area, with adequate working spaces around the pump to provide ample STORAGE INSTRUCTIONS access to fluid end, power end, and associated drive elements.
  • Page 20 must be avoided. reduced by the use of the shortest possible suction line, sized to reduce liquid velocity to a very low speed. This The absolute pressure in a suction line may be less is often more economi cal than the use of charge pumps than atmospheric pressure and air may be “sucked”...
  • Page 21 Gear reducers should be filled to approximately the halfway point. Some designers ignore this important aspect of proper Myers Aplex Series pumps use S.A.E. 40 wt. design of pump piping systems. nondetergent oil in the crank case. This oil requires only...
  • Page 23 GENERAL 15/16 Belts must be matched in pitch length. If one or Myers Aplex Series crankshaft suspension uses two two belts are slack, when the others are correctly single-row tapered bearings, which are shim adjusted tensioned, investigate for possible reasons. Correct to provide the correct running clearance.
  • Page 24 GENERAL bearing cone seats into the left bearing cup. Insert a second bearing cup over the right-hand crankshaft Myers Aplex Series connecting rod assemblies employ journal. Install O-ring on the crankshaft extension precision automotive type steel-backed, babbitt-lined guard. Tap the guard over the crankshaft extension if crankpin bearing halves which require no shims for an auxiliary drive is not being used.
  • Page 25 PINNING THE CROSSHEAD 0.015" must be sleeved with a cast iron liner to reestablish correct geometry and alignment. Contact Myers Aplex series concerning badly worn frame A pressfit is employed between the crosshead pin and bores. crosshead to secure the pin against any motion. A...
  • Page 26 STUFFING BOX, PACKING and water. Myers Aplex Series has developed a unique sealing set AND PLUNGER ASSEMBLIES which operates on a hardened and ground stainless steel extension rod (often called “pony” rod), and a...
  • Page 27 HI/LO GLAND ADJUSTABLE PACKING INSTALLING THE STUFFING BOX The Myers Aplex Series Hi/Lo adjustable packing Myers Aplex Series stuffing boxes derive their was designed to provide sealing of the plunger in alignment from the bores of the power frame and either high or low pressure operation.
  • Page 28 50 Ft. Lb. 175 Ft. Lb. 160 Ft. Lb. MA-25L MA-15M MA-40M MA-40L Myers Aplex Series offers its own unique product: the MA-25M MA-15H Myers Aplex Series Rokide plunger. This premier ® quality plunger consists of a chromium-oxide Failure to fully and evenly tighten these studs (or cap deposition on a solid stainless steel body.
  • Page 29 RESISTANT VALVE CONSTRUCTION REASSEMBLY: 1. Install the liners in place of the stuffing boxes. The Myers Aplex Series valve is a precision made 2. Pull the stuffing box retainer plate over the liners. subassembly using threads cut into the rim of seat for use with Myers Aplex Series setting/pulling tool.
  • Page 30 These metal discs are less tolerant of any fine grit in the liquid and Myers Aplex Series offers discs of acetal resin, of 17- are noisier than the acetal resin disc. 4PH S.S. hardened and ground, and of titanium alloy.
  • Page 31 Myers Aplex Series Industries can provide its unique (patented) valve to fit nearly all brands and models of multiplex pumps. An Myers Aplex Series seat setting/ puller tool is available, too. TROUBLE LOCATION AND REMEDY Trouble Possible Cause Remedy Excessive heat in power end.
  • Page 32 TROUBLE LOCATION AND REMEDY Trouble Possible Cause Remedy Pump vibrates or pounds. Gas in liquid. Submerge return, supply or makeup lines in suction supply tank. If operating under a suction lift, check joints for air leaks. Pump valve stuck open. Remove debris beneath valve.
  • Page 33 Power Frame Assembly; Connecting Rod, Crosshead & Wiper Box Assembly 22 18 MA-15M, MA-15H MA-15M, MA-15H Item Description Eng. No. Item Description Eng. No. Power Frame 7207-0025-01E Crankpin Bearing Half 7207-0024-00K Crankcase Cover 7207-0028-00B Wrist Pin 7207-0019-00A 5/16" NC Hex Head Cap Screw x 1/2" Long 100-516012-273 Crosshead 7207-0010-00C...
  • Page 34 Power Frame Assembly; Connecting Rod, Crosshead & Wiper Box Assembly 13 14 MA-25L, SC-45L MA-25L, SC-45L Item Description Eng. No. Item Description Eng. No. Power Frame 7206-0276-00K Crankpin Bearing Pair 7206-0006-00K Crankcase Cover 7206-0021-00B Wrist Pin 7206-0005-00A 3/8" NC Hex Head Cap Screw x 5/8" Long 100-038058-273 Crosshead 7206-0010-00C...
  • Page 35 Power Frame Assembly; Connecting Rod, Crosshead & Wiper Box Assembly 13 14 MA-40L, SC-65L MA-40L, SC-65L Item Description Eng. No. Item Description Eng. No. Power Frame 7203-0414-00K Crankpin Bearing Pair 7203-0160-00K For Left-Hand Hyd. or Gear Adaption 7203-0515-00K Wrist Pin 7203-0116-00A Crankcase Cover 7203-0139-00B...
  • Page 36 Power Frame Assembly; Connecting Rod, Crosshead & Wiper Box Assembly SC-65 SC-65 Item Description Eng. No. Item Description Eng. No. Power Frame (Right-Hand Drive) 7203-0103-50K Connecting Rod subassembly, which includes 7203-0104-00D Wrist Pin Bushing 7203-0115-00A Power Frame (Left-Hand Drive) 7203-0596-00K 3/8"...
  • Page 37 Crankshaft Assembly 1-3/4" Stroke; Right-Hand Drive SC-30, SC-30H SC-30, SC-30H Item Description Eng. No. Item Description Eng. No. Crankshaft 7207-0043-00B Shim Set 7207-0006-00A Drive Key 146-038134-236 Oil Seal 145-055072-08 Crankshaft Kit (includes items 1, 2, 3 & 4) Bearing Retainer 7207-0005-00B Bearing Cone, Tapered Roller* PE196KB...
  • Page 38 Crankshaft Assembly 2" Stroke; Right and Left-Hand Drive; Right-Hand Shown MA-25L, MA-25M MA-25L, MA-25M Item Description Eng. No. Item Description Eng. No. Crankshaft Assembly (includes items 1 & 2) PE244K Shim Set 7509-0014-50A Crankshaft, 2-1/4" Stroke 7206-0017-50C Oil Seal 145-234334-999 Drive Key 146-012214-236 Bearing Retainer...
  • Page 39 Crankshaft Assembly 1-3/4" Stroke; Right-Hand Drive SC-45L, SC-45 SC-45L, SC-45 Item Description Eng. No. Item Description Eng. No. Crankshaft Assembly (includes items 1 & 10) PE237K Frame Plug 7206-0064-00A Crankshaft, for Bearingless Hyd. Motor 7206-0122-50B O-Ring #2-238 110-000238-200 Spline Adapter (Coupling) 7206-0121-00A (listed above with the Crankshaft Assembly) Crankshaft Kit (includes items 1, 2, 3, &...
  • Page 40 Crankshaft Assembly 2-1/2" Stroke; Right-Hand and Left-Hand Drive; Right-Hand Shown MA-40L, MA-40M MA-40L, MA-40M Item Description Eng. No. Item Description Eng. No. Crankshaft Assembly (includes items 1 & 2) PE136K Shim Set 7509-0013-00A Crankshaft, 2-1/4" Stroke 7203-0106-00C *Oil Seal 145-234334-999 Drive Key 146-058512-236 Bearing Retainer...
  • Page 41 Crankshaft Assembly 2-3/4" Stroke; Left-Hand Drive SC-65L, SC-65, SC-65H SC-65L, SC-65, SC-65H Item Description Eng. No. Item Description Eng. No. Crankshaft Assembly (includes items 1 & 2) PE152K 1/2" NC Hex Head Cap Screw 1-1/2" Long 100-012112-273 Crankshaft, 2-3/4" Stroke 7203-0156-00C Shim Set 7509-0013-00A...
  • Page 42 Crankshaft Assembly 2-3/4" Stroke; Auburn Planetary; Right-Hand Drive Shown SC-65L, SC-65, SC-65H SC-65L, SC-65, SC-65H R.H. Drive L.H. Drive R.H. Drive L.H. Drive Item Description Eng. No. Eng. No. Item Description Eng. No. Eng. No. Crankshaft Assembly Oil Seal 145-318418-999 145-234334-999 (includes items 1, 10, &...
  • Page 43 Front Suction Fluid End Assembly MA-15M, SC-30 Item Description Eng. No. Fluid End, Ductile Iron 7207-0007-00B Fluid End, Nickel Aluminum Bronze 7207-0008-00B 5/8" NC Socket Head Cap Screw x 1-1/2" Long 271-058112-271 Valve Cover & Cylinder Head Plugs 7207-0014-00A 5/16" NC Hex Head Cap Screw x 7/8" Long 100-516078-273 Retainer Plate, Valve Cover &...
  • Page 44 Fluid End Assembly (Front Suction S/N 3000+) MA-25M, SC-45 Item Description Eng. No. Fluid End, Ductile Iron 7206-0317-00B 3/4" NC Socket Head Cap Screw x 2" Long 271-034200-271 Valve Cover Plug 7203-0119-00A Cylinder Head Plug 7206-0018-00A 3/8" NC Hex Head Cap Screw x 1-1/4" Long 100-038114-273 1/2"...
  • Page 45 Side Suction Fluid End Assembly MA-40L, SC-65L Item Description Eng. No. Fluid End, Ductile Iron 7203-0521-00B 7/8" NC Socket Head Cap Screw x 2-3/4" Long 271-078234-271 Valve Cover & Cylinder Head Plug 7203-0565-00B 1/2" NC Hex Head Cap Screw x 1-1/4" Long 100-012114-273 Retainer Plate, Valve Cover &...
  • Page 46 Front Suction Fluid End Assembly MA-15M Item Description Eng. No. Fluid End Consult Factory 5/8" NC Socket Head Cap Screw x 3-3/4" Long 271-058334-271 Valve Cover & Cylinder Head Plug 7207-0014-10A 5/16" NC Hex Head Cap Screw x 7/8" Long 100-516078-273 Retainer Plate, Valve Cover &...
  • Page 47 Fluid End Assembly MA-25L, SC-45L Item Description Eng. No. Fluid End Consult Factory 3/4" NC Socket Head Cap Screw x 4-1/2" Long 271-034412-271 Cylinder Head Plug 7203-0119-00A 3/8" NC Hex Head Cap Screw x 1-1/4" Long 100-038114-273 Valve Cover 7206-0284-00B Retainer Plate, Cylinder Head 7206-0019-00B Fluid Seal, Nitrile Rubber...
  • Page 48 Block Fluid End Assembly MA-40L Item Description Eng. No. Fluid End Consult Factory 7/8" NC Socket Head Cap Screw x 5-3/4" Long 271-078534-271 Valve Cover & Cylinder Head Plug 7203-0565-00B 1/2" NC Hex Head Cap Screw x 1-1/4" Long 100-012114-273 Retainer Plate, Valve Cover &...
  • Page 49 Stuffing Box Assembly For both Stuffing Box and Gland use the following: Nickel Aluminum Bronze: xxxx-xxxx-01A. 316 Stainless Steel: xxxx-xxxx-03A. 2205 Duplex Stainless Steel: xxxx-xxxx-04A. GLAND NUT WRENCH 7206-0086-00B Qty. 3 per pump MA-15M, MA-15H, SC-30, SC-30H Plunger, Stuffing Box Seal, Nitrile Stuffing Box, Gland Plunger...
  • Page 50 Stuffing Box Assembly ** NOTE: 1" and 7/8" require a separate extension rod – 7206-0024-00A. For both Stuffing Box and Gland use the following: Nickel Aluminum Bronze: xxxx-xxxx-01A. 316 Stainless Steel: xxxx-xxxx-03A. 2205 Duplex Stainless Steel: xxxx-xxxx-04A. GLAND NUT WRENCH 7206-0086-00B Qty.
  • Page 51 Stuffing Box Assembly *For both Stuffing Box and Gland use the following: Nickel Aluminum Bronze: xxxx-xxxx-01A. 316 Stainless Steel: xxxx-xxxx-03A. 2205 Duplex Stainless Steel: xxxx-xxxx-04A. ** For TX plunger use 7203-0530-xxB (for abrasive service). GLAND NUT WRENCH 7202-0399-00B Qty. 3 per pump MA-40M, SC-65 **Plunger, Stuffing Box Seal, Nitrile...
  • Page 52 Piston Assembly; 1-3/4" Kevlar and Chrome Oxide ® Qty. 3 per pump SC-30 SC-30 Item Description Eng. No. Item Description Eng. No. Piston Rod 7207-0198-00B Piston Keeper 7206-0391-00A Piston Liner 1-3/4" White Ceramic 7207-0214-55A O-Ring 110-000024-218 Piston Liner 1-3/4" Chrome Oxide 7207-0197-00A Socket Head Cap Screw 16654A006...
  • Page 53 Piston Assembly; 1-3/4" Kevlar and Chrome Oxide ® Qty. 3 per pump SC-45 SC-45 Item Description Eng. No. Item Description Eng. No. Piston Rod 7206-0365-00B Piston Keeper 7206-0391-00A Piston Liner 1-3/4" Chrome Oxide 7206-0360-00A O-Ring 110-000024-218 Piston Liner 1-3/4" White Ceramic 7206-0405-00A Socket Head Cap Screw 16654A009...
  • Page 54 Piston Assembly; 3" Black Rubber and White Ceramic Qty. 3 per pump SC-65L SC-65L Item Description Eng. No. Item Description Eng. No. Piston Rod 7203-0624-00B O-Ring 110-000024-218 Piston Liner 3" 7203-0658-00A Socket Head Cap Screw 16654A006 Piston Hub 7203-0661-00A Fluid Seal 7202-0041-00A Piston Cup Black Rubber 7203-0666-00A...
  • Page 55 THIS PAGE INTENTIONALLY LEFT BLANK...
  • Page 56 (f) 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 or an authorized Pentair Myers service provider;...

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