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500 Pump (Service Manual - 600 Series: 60301,61001,62201

1. 41 Packing Gland 320 0003 004 42 Packing 340 3396 008 46 Rotor Pin Shaft Pin 3 req 320 4486 003 47 Gland Bolt 2 req 619 1530 241 57 Lantern Ring Half 2 req 320 6585 000 66 Snap Ring 320 2794 000 69 Mechanical Seal 320 3945 000 71 Stator Support Bushing 2 req 320 5306 000 77 Slinger Ring 320 6384 000 83 Suction Housing Gasket 320 3028 000 112 Screw 4 req 619 1520 161 112 Screw 8 req 619 1520 161 112A Screw 2 req 619 1530 281 112B Screw 2 req 619 1520 163 619 1530 241 619 1520 363 115 Zerk Fitting 320 2503 001 162 Support Shim 320 0077 003 202 Shaft Key 611 0030 200 215 Lock Washer 4 req 623 0010 401 215 Lock Washer 8 req 623 0010 401 261 Pipe Plug 610 0120 021 264 Rotor Adaptor 320 6388 000 265 Stator Adaptor 320 6389 001 Use only on Packing Gland Models Model No ends with 11 Use only on Mechanical Seal Models Model No ends with 01 Recommended spare parts Page 6 REPAIR CONVERSION KIT NUMBERS EPDM ELASTOMER Item Pump Models No Description 603 610 622 633 655 Kit No 311 9129 000 311 9130 000 311 9131 000 311 9132 000 311 9133 000 21 e Stator 320 6470 006 320 6471 006 320 6472 004 320 6473 002 320 6474 001 69 e Seal 320 6380 000 24 e Joint 320 6523 000 REPAIR CONVERSI
2. 160 F with NBR Nitrile and to 210 F with EPDM Ethylene Propylene Diene Terpolymer elastomers Storage Always drain pump for extended storage periods using pipe plug in suction housing Table 1 Pump Data Pump 60301 61001 62201 63301 65501 Model 60311 61011 62211 63311 65511 Suction Port NPT 3 4 3 4 3 4 1 1 4 1 1 4 Discharge Port_ NPT 1 2 3 4 3 4 1 1 4 1 1 4 Discharge Pressure psig 600 600 300 150 60 Minimum Starting Torque 95 180 90 70 60 IN LB Based on water at ambient temperature Page 2 TROUBLE SHOOTING WARNING Before making adjustments disconnect power source and thoroughly bleed pressure from system Failure to do so could result in electric shock or serious bodily harm Failure To Pump 1 Belt or coupling slip Adjust belt tension or tighten set screw on coupling 2 Wrong rotation Rotation must be clockwise when facing shaft 3 Excessive suction lift vacuum or obstruction in suction piping 4 Flexible joint broken possible excessive pressure Replace joint check pressure at discharge port Will Not Start 1 Insufficient horsepower Check motor starting torque for minimum model starting torque given in Table 1 2 Low voltage Check power supply Pump Overloads 1 Excessive discharge pressure Check discharge pressure for maximum rating given in Table 1 above Check for obstruction in discharge pipe 2 Excessive temperature
3. Check fluid temperature for a maximum of 160 F 3 Belt or coupling slip Check pressure at discharge port 4 Loose bond in stator High temperature and caustics will cause bond between rubber and tube to fail Replace stator check fluid temperature and pressure at discharge port 5 Fluid viscosity too high Recommended maximum RPM Viscosity CP Limit RPM 1 300 1750 300 1 000 1200 1 000 2 000 700 2 000 5 000 350 5 000 10 000 180 10 000 20 000 100 6 Motor connected incorrectly Motor wired for 230 VAC connected to 115 VAC service Noisy Operation 1 Starved suction Check fluid supply length of suction line and obstructions in pipe 2 Bearings worn Replace parts check alignment belt tension pressure at discharge port 3 Broken flexible joint Replace part check pressure at discharge port 4 Insufficient mounting Mount to be secure to firm base Vibration induced noise can be reduced by using mount pads and hose on suction and discharge ports Poor Performance 1 Low pressure worn stator Replace stator check for excessive abrasive material in fluid check for run dry condition Mechanical Seal Leakage Mechanical Seal Models Only 1 Leakage at startup If leakage is slight allow pump to run several hours to let faces run in 2 Persistent seal leakage Faces may be cracked from freezing or thermal shock Replace seal Packing Leakage Packing Models Only 1 Leakage at startup A
4. wood to protect the shaft The bearings may be pressed off the shaft Page 3 PUMP ASSEMBLY 1 Press radial bearing 29 and thrust bearing 30 on shaft 26 and locate slinger ring 77 on the shaft near the radial bearing Note When replacing bearings always press on the inner race when assembling to shaft and on the outer race when pressing bearings into the housings 2 Press shaft assembly into bearing housing 1 securing with snap ring 66 3 Mechanical Seal Models Install mechanical seal 69 using the following procedure a Clean and oil sealing faces using a clean light oil not grease Caution Do not use oil on EPDM parts Substitute glycerin or soap and water b Oil the outer surface of the seal seat and push the assembly into the seal bore in the bearing housing 1 seating it firmly and squarely c After cleaning and oiling shaft slide the seal body along the shaft until it meets the seal seat d Install seal spring and spring retainer on shaft 4 Packing Models Install packing before installing shaft assembly using the following procedure a Lubricate each individual ring of packing 42 with a grease that is insoluble in the fluid being pumped b Individually assemble each ring of packing loosely in the stuffing box of the packing gland housing 3 Seven rings of 1 4 square plus 2 lantern ring halves required assemble with 3 rings 2 lantern ring halves 57 followed by 4 ri
5. MOYNO Always the Right Solution Section MOYNO 500 PUMPS Page 1 of 6 Date March1 1998 SERVICE MANUAL MOYNO 500 PUMPS 600 SERIES 60301 61001 62201 63301 65501 60311 61011 62211 63311 AND 65511 MODELS DESIGN FEATURES Cast iron Heavy duty chrome plated AISI 416 stainless steel Housing Pump Rotor Pump Stator NBR Nitrile Shaft AISI 416 stainless steel Bearings Prelubricated fully sealed ball bearings Seal Mechanical or packing Flexible Joint Prelubricated and sealed Packing Models available through retrofit kit See page 6 Note Alternate elastomers available Refer to Repair Conversion kit numbers page 6 INSTALLATION Mounting Provide the proper alignment between the pump and drive by mounting both to a common flat base Pump may be mounted in any position When mounting vertically it is necessary to keep bearings above seals to prevent possible seal leakage into bearings Loosen screws on body support and stator support to rotate pump to desired position Pre Wetting Prior to connecting pump wet pump elements and mechanical seal or packing by adding fluid to be pumped into suction port Turn shaft over several times in a clockwise direction when viewed from the shaft end to work fluid into pump elements Piping Piping to pump should be self supporting to avoid excessive strain on pump housings See Table 1 for suction and discharge port sizes of each pump model Use pi
6. ON KIT NUMBERS ABRASION RESISTANT SEAL Description All Mechanical Seal Models Only NBR Kit No 320 6505 000 EPDM Kit No 320 6506 000 NBR Nitrile EPDM Ethylene Propylene Diene Terpolymer REPAIR CONVERSION KIT NUMBERS PACKING GLAND Item All Packing Gland Models No Description Kit No 311 9049 000 3 e _ Packing Housing 340 2368 000 27 e Drive Shaft Extension 330 4586 000 41 e Packing Gland 320 0003 104 42 e Packing Set 340 3351 008 46 e Shaft Pin 3 req 320 4486 003 47 e Gland Bolt 2 req 619 1530 241 57 e Lantern Ring Half 2 req 320 6385 000 112 e Screw 4 req 619 1520 161 115 e Zerk Fitting 220 2503 001 215 e Lock Washer 4 req 623 0010 401 1999 by Moyno Inc Moyno is a registered trademark of Moyno Inc Printed in U S A
7. an 15 degrees a Remove rotor 22 from flexible joint 24 by using a punch to remove rotor pin 46 Support joint while removing pin Note On Model 603 only remove adaptor 264 from rotor by turning in a counter clockwise direction RH Thread b Remove joint 24 from shaft 26 by using a punch to remove shaft pin 46 8 Mechanical Seal Models Carefully slide mechanical seal 69 off shaft 26 Carefully pry seal out of bearing housing 1 If any parts of mechanical seal are worn out or broken the complete assembly should be replaced Seal components are matched parts and are not interchangeable 9 Packing Models Remove bolts attaching packing gland housing 3 to bearing housing 1 and remove packing gland housing Disconnect drive shaft extension 27 by using a punch to remove shaft pin 46 The packing 42 can be removed without removing the shaft 27 using the following procedure a Remove gland bolts 47 b Slide gland 41 away from packing 42 c Pull out packing 42 and lantern ring halves 57 using a packing removing tool Note If shaft 27 has been removed the packing can be removed easily by pushing out from pump side of packing gland housing 3 10 The bearings 29 and 30 and shaft 26 assembly can be removed from bearing housing 1 after snap ring 66 has been removed To remove the shaft assembly lightly tap the shaft at the flexible joint connection end using a block of
8. djust packing as outlined in maintenance instructions Note Slight leakage is necessary for lubrication of packing 2 Persistent leakage Packing rings and or shaft may be worn Replace parts as required Pump Will Not Prime 1 Air leak on suction side Check pipe connections Suction lift over 15 ft will cause seal faces to open 2 Defective mechanical seal Inspect and repair as necessary MAINTENANCE General These pumps have been designed for a minimum of maintenance the extent of which is routine lubrication and adjustment of packing The pump is one of the easiest to work on in that the main elements are very accessible and require few tools to disassemble Packing Lubrication Packing Models Only The zerk fitting on the top of the packing housing leads to the lantern ring halves in the mid section of the packings At least once a week inject a small quantity of good quality grease such as MPG 2 Multi Purpose Grease DuBois Chemical or equivalent into the zerk fitting to lubricate the packings Packing Adjustment Packing Models Only Packing gland attaching nuts should be evenly adjusted so they are little more than finger tight Over tightening of the packing gland may result in premature packing failure and possible damage to the shaft and gland When the packing is new frequent minor adjustments are recommended for the first few hours of operation in order to compress and seat the packing Be sure t
9. hing towards suction housing Care should be taken to insure that flexible joint does not bend more than 15 degrees 9 Secure top and bottom halves of stator support 88 together using screws 112B Model 603 requires stator support bushings 71 between stator and stator support 10 Proceed as in installation instructions WARNING Replace belt or coupling guards before reconnecting power When ordering parts please specify pump model number pump serial number part number part description and quantity O Use on 603 only ZN Use on 633 amp 655 only E Use on Packing Models only O Use on 603 610 amp 622 only Page 5 PARTS LIST item Pump Model Number No Description 60301 61001 62201 63301 65501 60311 61011 62211 63311 65511 1 Bearing Housing 330 3552 000 2 Suction Housing 330 2112 001 330 2112 003 3 Packing Housing 340 2368 000 9 Reducer 320 6110 000 320 1414 004 320 6539 000 320 6539 000 21 Stator 320 6108 006 320 5466 006 320 3902 004 330 2608 002 330 2612 001 22 Rotor 330 4606 000 330 4607 000 330 4608 000 330 4609 000 330 4610 000 24 Flexible Joint 320 3944 000 26 Drive Shaft 330 3553 000 27 Drive Shaft Extension 330 4586 000 29 Radial Bearing 630 0503 051 30 Thrust Bearing 630 0503 051 37 Body Support 330 3554 000 38 Stator Support 330 446 1 000 330 0413 000
10. ngs Stagger split in rings c Loosely install packing gland 41 in packing gland housing 3 using gland bolts 47 d Attach drive shaft extension 27 to drive shaft 26 by installing pin 46 Support shaft during installation e Install slinger ring 77 on drive shaft extension 27 f Slide packing gland housing 3 on drive shaft extension and attach to bearing housing with bolts 112 5 The flexible joint 24 and rotor 22 may be installed using the following procedure do not bend joint more than 15 degrees Note On model 603 only pin adaptor 264 to flexible joint 24 with rotor pin 46 then thread rotor 22 on adaptor by turning clockwise RH Thread a Pin flexible joint 24 to shaft 26 using shaft pin 46 b Pin rotor 22 to joint using rotor pin 46 Support joint while installing pin 6 Secure suction housing gasket 83 and suction housing 2 to bearing housing 1 using lock washers 215 and screws 112 7 Screw reducer 9 on stator 21 in a clockwise direction RH thread Note Apply pipe dope on all pipe threads before assembly Page 4 8 Lubricate rotor 22 surface to assist installation of stator 21 Slide stator on rotor using stator support s 38 as a guide and screw into suction housing 2 by turning clockwise RH threads An additional assist in installing stator is to lock the shaft from turning and rotate the stator counterclockwise while pus
11. o allow slight leakage for lubrication of packing When excessive leakage can no longer be regulated by tightening the gland nuts remove and replace the packings in accordance with the DISASSEMBLY and REASSEMBLY instructions The entire pump need not be disassembled to replace the packings Bearing Lubrication The prelubricated fully sealed bearings do not require additional lubrication PUMP DISASSEMBLY WARNING Before disassembling pump disconnect power source and thoroughly bleed pressure from system Failure to do so could result in electric shock or serious bodily harm 1 Disconnect power source 2 Remove suction and discharge piping 3 Reducer 9 may be removed from stator 21 by unscrewing in a counter clockwise direction RH thread 4 Remove stator support screws 112B and remove top half of stator support s 38 5 Stator 21 may be removed from suction housing 2 by unscrewing in a counter clockwise direction RH thread Use a strap wrench on stator to avoid crushing with a pipe wrench Pull stator 21 from rotor 22 To assist removal of stator hold shaft 26 from turning and turn stator clockwise when facing suction housing after disengaging thread 6 Remove screws 112 holding suction housing 2 to bearing housing 1 Remove suction housing and suction housing gasket 83 7 The rotor 22 and flexible joint 24 may be removed using the following procedure do not bend joint more th
12. pe dope or tape to facilitate disassembly and to provide seal Drive On belt driven units adjust belt tension to point of non slip Do not overtighten On direct drive units coupling components should be aligned and spaced at least 1 16 apart Pump rotation must be clockwise when facing shaft Check direction of rotation before startup Maximum speed is 1750 rpm Water Flush of Packing Packing Models Only The packing may be either grease lubricated through a grease fitting in the stuffing box or have plumbing connected to the housing to allow a water flush When the material being pumped is abrasive in nature it may be advantageous to flush the packing to prevent leakage under packing and excessive shaft wear Clean water can be injected through a 1 8 NPT tapped hole that normally houses the grease fitting for lubricating the packing The water can be permitted to leak axially along the shaft in either direction OPERATION Self Priming With wetted pumping elements the mechanical seal model pump is capable of 15 feet of suction lift when operating at 1750 rpm with pipe size equal to port size The packing model is capable of 25 feet of suction lift DO NOT RUN DRY Unit depends on liquid pumped for lubrication For proper lubrication flow rate should be at least 10 of rated capacity Pressure and Temperature Limits See Table 1 for maximum discharge pressure of each model Unit is suitable for service at 10 to

500 Pump (Service Manual - 600 Series: 60301,61001,62201

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