Moyno® 500 Pump (Service Manual - 200 Series
Contents
1. NBR Nitrile EPDM Ethylene Propylene Diene Terpolymer FPM Fluoroelastomer Double The Length Of Your Moyno Pump Warranty For FREE For your free pump warranty extension choose from one of the three options below 1 e Go to www moyno com and fill out the registration form online 2 Mail this form by placing it in an envelope and sending it to Moyno Inc 3 Fax this form to 937 327 3177 Attn Tish Wilson P O Box 960 Springfield OH 45501 0960 U S A Thank yOu for choosing a Moyno Pump Please take the time to complete this warranty registration form Upon receipt of your form your standard limited warranty on defective material and workmanship will be extended to twice the standard period of time at no additional cost to you We appreciate your business and look forward to serving you in the future CERTIFICATE No 101442 MOYNO Always the Right Solution Always Insist on Genuine Moyno Replacement Parts Moyno Pump Warranty Registration Pump Model Pump Serial Purchased From Date Purchased Your Name Your Title Your Company Name Address City State Province Zip Code Phone Number Fax Number E mail Application for Which This Pump Was Purchased Flow Rate Material Operating Speed Viscosity Hours Operated per Day Discharge Pressure Continuous Suction Pressure P2. connections Electrical Follow the wiring diagram on the motor nameplate or inside the terminal box for the proper 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 To prevent damage to pump pump rotation must 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 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 Maximum discharge pressure is 40 psig Unit is suitable for service at temperatures shown in Table 1 Storage Always drain pump for extended storage periods by removing suction housing bolts and loosening suction housing Table 1 Temperature Limits Elastomer Temperature Limits NBR 10 160 F EPDM 10 210 F FPM 10 240 F NBR Nitrile EPDM Ethylene Propylene Diene Terpolymer FPM Fluoroelastomer Page 2 TROUBLE SHOOTING WARNING Before making adjustments disconnect power source and thoroughly bleed pressure from system Failure to do so could result
3. screws 112 5 Connect hose or piping and proceed as in installation instructions When ordering parts please specify pump model number pump serial number part number part description and quantity Page 3 PARTS LIST nae Pump Model Numbers Description 20352 20452 20551 20552 22051 22052 1 Pump Body 316 SS Phenolic 316 SS Phenolic 316 SS 330 3330 000 330 2953 000 330 3330 000 330 2953 000 330 3330 000 2 Suction 316 SS Phenolic 316 SS Phenolic 316 SS Housing 330 3327 000 330 2954 000 330 3327 000 330 2954 000 330 3327 000 04 Stator NBR NBR NBR NBR 330 7555 120 330 7556 120 330 6381 120 330 6382 120 20 Rotor 316 SS 316 SS Phenolic 316 SS Phenolic 316 SS 320 6975 000 320 7923 000 320 6485 000 320 6484 000 320 6488 000 320 6487 000 69 Mechanical NBR Seal 320 6480 000 70 Motor 330 4596 000 110 Slinger Ring 320 2833 008 Screws 4 112 req 619 0050 301 Recommended spare parts REPAIR CONVERSION KIT NUMBERS Not available as kit for 20352 20452 Models Item Description 205 Models 220 Models No NBR EPDM FPM NBR EPDM FPM s Kit No 311 9116 000 311 9118 000 311 9120 000 311 9117 000 311 9119 000 311 9121 000 21 e Stator 330 6381 120 330 6381 320 330 6381 520 330 6382 120 330 6382 320 330 6382 520 69 e Seal 320 6480 000 320 6481 000 320 6482 000 320 6480 000 320 6481 000 320 6482 000
4. MOYNO oi MOYNO 500 PUMPS Page 1 of 4 Always the Right Solution Date March 1 1998 SERVICE MANUAL MOYNO 500 PUMPS 200 SERIES MOTORIZED 20352 20452 20551 20552 22051 AND 22052 MODELS DESIGN FEATURES Housing AISI 316 stainless steel or phenolic Pump Rotor Phenolic AISI 316 stainless steel Pump Stator NBR Nitrile Seal Mechanical carbon ceramic Motor Shaft AISI 316 stainless steel Motor 115V AC 1 8 HP 50 60 Hertz 1725 rpm ball bearing Class B insulation capacitor start other motor options available consult Sales Representative Note Alternate elastomers available Refer to Repair Conversion kit numbers page 3 INSTALLATION Mounting Position 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 Pre Wetting Prior to connecting pump wet pump elements and mechanical seal by adding fluid to be pumped into suction and discharge ports Turn pump over several times in a clockwise direction using screwdriver slot in end of motor shaft Piping Piping to pump should be self supporting to avoid excessive strain on pump housings 3 8 NPT pipe for suction and 1 4 NPT pipe for discharge on all metal housing models 5 8 ID hose with hose clamp for suction and discharge ports of plastic housing models Use pipe dope or tape to facilitate disassembly and to provide seal on pipe
5. ercent of Solids Particle Size How Did You First Hear of Moyno Pumps U Advertisement Q Distributor Salesperson U Postcard U Trade Show Q Previous Experience With Moyno Pumps Process Temperature pH Value Intermittent NPSH Available Abrasion Rating Q Referral Q Other Explain Below Thank You 1999 by Moyno Inc Printed in US A Moyno is a registered trademark of Moyno Inc
6. in electric shock or serious bodily harm Failure To Pump 1 4 Motor won t start Check power supply Voltage must be 10 nameplate rating when motor is in locked rotor condition Do not use less than 14 wire size Motor runs and thermally kicks out Increase ventilation to motor Check for defective relay or defective capacitor Check for excessive pressure Stator torn possibly excessive pressure Replace stator discharge port Excessive suction lift or vacuum check pressure at Pump Overloads 1 2 Excessive discharge pressure Check discharge pressure for 40 psig maximum or obstruction in discharge line Fluid viscosity too high Limit fluid viscosity to 100 CP or 500 SSU Noisy Operation 1 2 3 Starved suction Check fluid level size of piping and obstructions in pipe Bearings worn Replace parts Insufficient mounting Mount securely Reduce vibration induced noise by using a short section of hose on discharge piping Seal Leakage 1 Leakage at startup If leakage is slight allow pump to run several hours to let faces run in 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 resul
7. t in electric shock or serious bodily harm 1 Remove suction and discharge piping 2 Remove screws 112 holding suction housing 2 and pump body 1 to motor 70 Remove suction housing 2 and stator 21 3 Remove rotor 22 from shaft by turning ina counterclockwise direction Keep shaft from turning by inserting screwdriver in slotted end of motor shaft 4 Remove slinger ring 110 pump body 1 and mechanical seal 69 5 If any parts of the mechanical seal 69 are worn or broken the complete seal assembly should be replaced Seal components are matched parts and are not interchangeable PUMP ASSEMBLY 1 Slip slinger ring 110 over motor shaft Place pump body 1 in position on motor 70 2 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 pump body 1 seating it firmly and squarely c After cleaning and oiling the shaft slide the seal body along the shaft until it meets the seal seat d Install seal spring and spring retainer on shaft 3 Screw rotor 22 on shaft in a clockwise direction Keep shaft from turning by inserting screwdriver in slotted end of motor shaft 4 Secure stator 21 suction housing 2 and pump body 1 to motor 70 using
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