Moyno® Metering/Dosing Pump :: Service Manual
Contents
1. TE a ay ae a eee 18 12 68 o Ge GA Not Shown Qty 220 Screw 230 Lockwasher Page 4 MOTORIZED MODELS PARTS LIST PUMP MODELS Item Type Description Req C4015E C4100E C4100F C4190F C4015G C4100G C4100H C4190H C4015J C4100J C4100K C4190K 1 CD Motor 1 3403940000 3403940100 3304528100 3403941000 3403948000 3403948100 1 SS Motor 1 3403940003 3403940101 3304528103 3403941003 3403948001 3403948101 2 CD _ Suction Housing 1 3403932001 2 SS Suction Housing 1 3403932007 3 CD Seal Housing Adapter 1 3403937001 3 SS Seal Housing Adapter 1 3403937015 9 CD Discharge Coupling 1 3205341020 9 SS Discharge Coupling 1 3205342020 21 Q Stator 1 3403923104 3403924104 3403925104 3403923104 3403924104 3403925104 3403923104 3403924104 3403925104 21 R__ Stator 1 3403923204 3403924204 3403925204 3403923204 3403924204 3403925204 3403923204 3403924204 3403925204 21 B Stator 1 3403923304 3403924304 3403925304 3403923304 3403924304 3403925304 3403923304 3403924304 3403925304 21 F Stator 1 13403923504 3403924504 3403925504 3403923504 3403924504 3403925504 3403923504 3403924504 3403925504 22 CD Rotor 1 3403927007 3403928007 3403929007 3403927007 3403928007 3403929007 3403927007 3403928007 3403929007 22 SS Rotor2. 1 13403927015 3403928015 3403929015 3403927015 3403928015 3403929015 3403927015 3403928015 3403929015 24 Q R Flexible Joint 1 3308811001 24 B Flexible Joint 1 3308811003 24 F Flexible Joint 1 3308811005 46 CD SS Rotor Pin 1 3204069001 46 CD SS Shaft Pin 1 3204069002 69 Q R echanical Seal Std 1 3202424000 69 B echanical Seal Std 1 3206379000 69 F echanical Seal Std 1 3206501000 69 Q R echanical Seal AR 1 3206460000 69 B echanical Seal AR 1 3206502000 69 F echanical Seal AR 1 3206503000 112 CD SS Screw 4 6191520141 215 CD SS Lockwasher 4 6230010401 220 CD SS Screw 4 6191530201 230 CD SS Lockwasher 4 6230010411 261 CD Drain Plug 1 6100120031 261 SS Drain Plug 1 6100420030 270 QR O Ring 1 3207902134 270 B O Ring 1 3207904134 270 F O Ring 1 3207905134 300 CD SS Name Plate 1 3208597000 Note For further information call 800 845 1310 Western USA 800 325 1331 Central amp Eastern USA or 937 327 3553 Ohio
3. MOYNO Always the Right Solution Section METERING DOSING PUMP Page 1 of 4 Date March 1 1998 SERVICE MANUAL METERING DOSING PUMP MOTORIZED C4015E C4100E C4100F C4190F C4015G C4100G C4100H C4190H C4015J C4100J C4100K and C4190K MODELS DESIGN FEATURES Housing Cast iron Stainless steel Pump Rotor Chrome plated 416 and 316 stainless steel Pump Stator Nitrile Natural Rubber EPDM Fluoroelastomer Motor Shaft AISI 416 stainless steel ANSI 316 stainless steel Seal Mechanical carbon ceramic Flexible Joint Prelubricated and sealed Motor 1 or 1 2 HP 60 Hertz 1725 rpm totally enclosed fan cooled TEFC C Faced 1 phase 115 230V or 3 phase 230 460V 1 or 1 2 HP 1725 rpm totally enclosed fan cooled TEFC C Faced 90V DC INSTALLATION Mounting Position Pump may be mounted in any position When mounting vertically it is necessary to keep motor above seals to prevent possible seal leakage into motor Pre Wetting Prior to connecting pump wet pump elements and mechanical seal by adding fluid to be pumped into suction and discharge ports Piping Piping to pump should be self supporting to avoid excessive strain on pump housings The suction port is 1 1 2 NPT and the discharge port is 1 1 4 NPT Use pipe dope or tape to facilitate disassembly and to provide seal on pipe connections Electrical Follow the wiring diagram on the motor nameplate or inside the terminal box for the pr
4. oper connections The wiring should be direct and conform to local electrical codes Check power connections for proper voltage Voltage variations must not exceed 10 of nameplate voltage Motor is provided with internal automatic overload protection Pump rotation should be clockwise when facing pump from motor end OPERATION Self Priming With wetted pumping elements the pump is capable of 25 feet of suction lift with pipe size equal to port size Be sure suction lines are air tight or pump will not self prime Self priming capabilities will vary due to fluid viscosity DO NOT RUN DRY Unit depends on liquid pumped for lubrication For proper lubrication flow rate should be at least 10 of rated capacity Storage Always drain pump for extended storage periods by removing bottom drain plug in pump body Pressure Limits See Table 1 for maximum discharge pressure of each model Table 1 Models 4015 Max pressure 300 PSI 20 bar Models 4100 Max pressure 300 PSI 20 bar Models 4190 Max pressure 175 PSI 12 bar Temperature Limits Unit is capable for service at 10 F to 210 F with nitrile and to 260 F with EPDM 185 F with natural rubber and 350 F with fluoroelastomer Note an undersize rotor may be required for elevated temperature applications Page 2 TROUBLESHOOTING WARNING Before making adjustments disconnect power source and thoroughly bleed pressure from system prior to disassembl
5. rtion of rotor pin 46 using a small punch 4 Insert O Ring 270 into the groove in the seal housing adapter 3 5 Install the drain plug 261 into suction housing 2 using pipe dope or sealing tape to provide a leak proof seal 6 Attach the suction housing 2 to the seal housing adapter 3 using screws 112 and lockwashers 215 Note a gap will remain between the suction housing and seal housing adapter a AAND MMM lid aN W Page 3 7 Slide stator 21 onto the rotor 22 using hand soap or equivalent as lubrication Thread stator into suction housing 2 using pipe dope or sealing tape to ensure a leak proof seal To keep the rotor from turning insert a punch into the hole in the flexible joint 8 Thread discharge coupling 9 onto stator 21 using pipe dope or sealing tape to ensure a leak proof seal 9 Lubricate rotor and stator by filling suction housing and discharge housing with fluid to be pumped Firmly mount the pump 10 Connect suction and discharge piping and power source PARTS LIST To determine part numbers for all parts enter the table on the following page with the item number from the pump illustration below Then locate the part number under the applicable model number Notice the type column identifies the materials of construction Parts listed with one part number for example are applicable to all models 270 2 00 21 22 SoA OSes by Beg SS PA il
6. s If sealing boots are damaged replace the flexible joint 8 Remove the mechanical seal 69 spring and spring retainer from the motor shaft Remove the rotational portion of the mechanical seal from the motor shaft 9 Remove the seal housing adapter 3 from the motor 1 by removing screws 220 and lockwashers 230 not shown 10 Remove the mechanical seal stationary from the seal housing adapter This completes the pump disassembly PUMP ASSEMBLY 1 Install mechanical seal 69 in seal housing adapter using the following procedure a Clean and oil sealing faces using clean oil not grease CAUTION Do not use oil on EPDM parts Substitute glycerin or soap and water b Oil outer surfaces of the seal seat and push assembly over the motor shaft and into the seal housing adapter 3 seating it firmly and squarely c Mount the seal housing adapter 3 to the motor 1 ensuring that the drain slot is facing down Use screws 220 and lockwashers 230 d After cleaning and oiling the shaft slide the seal body along the motor shaft until it meets the seal seat e Install seal spring and spring retainer on shaft 2 Insert flexible joint 24 into motor shaft Insert shaft pin 46 into hole using small punch The seal spring will move to allow clearance for insertion The spring retainer should rest against joint 24 after pin insertion 3 Support flexible joint and insert rotor 22 aligning holes for inse
7. t to a firm base Vibration induced noise can be reduced by using mount pads and short sections of hose on suction and discharge ports Seal Leakage 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 Pump Will Not Prime 1 Air leak on suction side Check pipe connections 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 Remove suction and discharge piping Drain pump body by removing drain plug 261 2 Remove discharge coupling 9 from stator 21 3 Remove stator 21 by unthreading from the suction housing 2 Lock rotor from turning by inserting a punch into the hole located in the center of the flexible joint 24 This will aid in removing the stator 4 Remove the suction housing 2 by removing the screws 112 and lockwashers 215 5 Remove O Ring 270 from the seal housing adapter 3 Inspect and replace if necessary 6 Remove the rotor and shaft pins 46 from the flexible joint 24 Support the joint rotor while removing with a small punch These pins should not be reused Replace with new pins upon reassembly 7 Clean and inspect the flexible joint 24 looking for excessive play and breaks in the rubber boot
8. y Failure to do so could lead to electric shock or serious bodily harm Failure to Pump 1 Motor will not start Check power supply Voltage must be 10 of nameplate rating when motor is in locked rotor condition Check for faulty capacitor on 1 phase models 2 Motor runs and thermally kicks out Check for excessive discharge pressure Check for defective centrifugal switch on 1 phase models Increase ventilation to motor Do not use less than 14 wire size 3 Stator torn possible excessive pressure Replace stator check pressure at discharge port 4 Flexible joint broken possible excessive pressure Replace joint check pressure at discharge port 5 Wrong rotation 3 phase only Rotation must be clockwise when facing pump from motor end Reverse the connections of any two line leads to the motor 6 Excessive suction lift or vacuum Pump Overloads 1 Excessive discharge pressure Check pressure at discharge port for maximum ratings 2 Fluid viscosity too high Limit fluid viscosity per How to Select calculations Noisy Operation 1 Excessive suction lift or vacuum Maximum suction lift is 25 feet for water 2 Suction line too small Check pipe size Be sure lines are free from obstructions 3 Pump Cavitates At pump speed of 1725 rpm Viscosity of fluid should not exceed 100 CP or 500 SSU 4 Flexible joint worn Replace joint Check pressure at discharge port 5 Insufficient mounting Moun
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