Moyno Vertical Pumps Service Manual
16Pages

1-2. GENERALThe Moyno  Vertical Pump is the culmination ofmore than 70 years of experience in manufacturingand marketing fluids handling equipment. Thisrugged pump has been engineered to be the mostreliable product ever sold under the Moyno name.The pump has been painstakingly tested to assureconsistent performance in the most difficult ofapplications. It represents the next generation of theworld's most versatile pump.The Moyno  Vertical Pump is a progressingcavity pump. A single helical rotor rolling eccentrically in the double helix of the stator creates the pumpingaction. The rotor in...

Never lift unit by the drive lifting eyes. 2-5. PIPING2-6. Discharge Piping > The diameter should generally be aslarge as the pump ports unless fluid conditions indicateotherwise.2-7. FOUNDATIONEach unit should be rigidly mounted on a strong,fabricated steel frame. This frame should be mounted on a concrete foundation. The foundation should beapproximately 4" to 8" larger in diameter than the mountingflange. Hypalon and Teflon are trademarks of E.l.DuPont de Nemours and Company Օ Thiokol is a trademark of Morton Thiokol Inc.1-8. Trim Code.The product revision level is usually3, indicating...

4-7 . Mechanical Seal Removal/Replacement.(Without Removing Unit from the tank)1. Slide the shaft collar (5) back and push thedrive pin (6) from between the gear motor (1) and drive shaft (7). The drive shaft may slip downsome it is being held by shaft collar (14). It willbe raised by the drive shaft lift kit (included). Disconnect the hex screws holding the gearmotor to the drive adapter (2) and remove thegear motor.2. Remove the hex cap screws holding the sealhousing (16) to the seal adapter plate (8).Carefully slide the seal housing up and off the drive shaft, being careful not to damage...

4.11 AssemblyRe-assembly the unit is reverse order of disassembly.Follow the general guidelines below. 4-9 Stator/Extension Tube/Rotor Removal1. Remove the SQ hex screws (G) and lockwashers connecting the clamp ring (32) to theextension tube (18). Pull the stator off the rotor (28).Remove the retaining ring (31) and clamp ring.2. Remove the hex screws (F), nuts, and lockwashers connecting the extension tube (18) to the extension tube (17). Pull the extension tube (18) over the rotor/connecting rod assembly.Remove the stator gasket (30).3. Loosen the screws in the shaft collar (14) andslide...

End with O-Ring Groove > 2. Press all shaft bushings (21) into all bearing flanges(20).3. Gently slide the drive shaft (7) into the longestextension tube (17).4. Slide one bearing flange with bushing onto the driveshaft, extending beyond the discharge side of theextension tube (17). Slide it up and into the recess inthe extension tube. Place the O-ring (19) around thebearing flange.5. Install the retaining ring (11) into the groove in themounting flange (4). Bolt the mounting flange to the extension tube (17) with six hex screws (E) and lockwashers.6. Place the O-ring (9) onto the end of...

13. Refer to your mechanical seal drawing to determinewhere to position the rotating seal component from the top of the seal housing. Measure down from the mark on the drive shaft and secure the rotating seal to the drive shaft by tightening the set screws.14. Carefully slide the seal housing on the drive shaftand secure it to the seal adapter plate.15. Reattach the shaft collar (5) with counter boredtoward gear motor, the gear motor, and the drive pin. Be sure the counter-bore in the shaft collar covers half of the drive pin to insure that the drive pin does not slip outduring operation....

RefNo.DescriptionF, GQtyH, J, K, LQty AHex ScrewLock Washer1/2-13 X 1-1/41/2551/2-13 X 1-1/21/244 BHex ScrewLock WasherHex Nut1/2-13 X 2-1/21/21/2-1366 65/8-11 X 35/85/8-1166 6 CHex ScrewLock Washer1/2-13 X 1-3/41/2665/8-11 X 25/866 DSocket Head ScrewLock Washer3/8-16 X 13/8441/2-13 X 1-1/41/244 EHex ScrewLock Washer1/2-13 X 1-3/41/2665/8-11 X 25/866 FHex ScrewLock WasherHex Nut1/2-13 X 2-3/41/21/2-136665/8-11 X 35/85/8-11666 GHex ScrewLock Washer1/2-13 X 1-1/21/2665/8-11 X 1-1/25/866 HHex ScrewLock Washer1/4-20 X 7/81/4445/16-18 X 15/1644 7 4-17. Standard Hardware >

REF.#PARTNUMBERDESCRIPTION 1---See Nameplate 24250946001Drive Adapter 342509440014250944004Discharge Housing Alloy SteelDischarge Housing ֖ Stainless Steel 442508080014250808004Mounting Flange Alloy SteelMounting Flange ֖ Stainless Steel 54241191001Shaft Collar 64220623001Drive Pin 74250927001Drive Shaft 842411890014241189004Seal Adapter Plate Alloy SteelSeal Adapter Plate ֖ Stainless Steel 93207902269O-Ring Nitrile 103207902248O-Ring ֖ Nitrile 116010540900Retaining Ring 1242206170014220617017Drive Pin Alloy SteelDrive Pin ֖ Stainless Steel 1342508650014250865015Shaft Head Alloy SteelShaft...

2000 by Moyno, Inc.Printed in U.S.A.ɮ Moyno is a registered trademark of Moyno, Inc. >