Moyno 2000 CC Manuel utilisateur

MOYNO®

2000CCPumps

SERVICE MANUAL

TABLE OF CONTENTS

Page

1-1. INTRODUCTION...............................................................................................................................................1

1-2. General..................................................................................................................................................1

1-3. Scope ....................................................................................................................................................1

1-4. Nameplate Data.....................................................................................................................................1

1-5. Pump Rotation.......................................................................................................................................1

1-6. Model Number.......................................................................................................................................1

2-1. INSTALLATION................................................................................................................................................2

2-2. General..................................................................................................................................................2

2-3. Piping.....................................................................................................................................................2

2-4. Foundation.............................................................................................................................................2

3-1. OPERATION ...................................................................................................................................................2

3-2. Initial Check...........................................................................................................................................2

3-3. Start-up..................................................................................................................................................2

3-4. Packing Leakage...................................................................................................................................2

4-1. MAINTENANCE................................................................................................................................................2

4-2. General..................................................................................................................................................2

4-3. Packing Adjustment...............................................................................................................................2

4-4. Packing Replacement............................................................................................................................3

5-1. DISASSEMBLY ................................................................................................................................................3

5-2. Disconnect Pump...................................................................................................................................3

5-3. Stator Removal......................................................................................................................................3

5-4. Suction Housing Removal .....................................................................................................................3

5-5. Rotor/Con Rod/Drive Shaft Assembly Removal ....................................................................................3

5-6. Packing Housing Removal......................................................................................................................4

5-7. Seal Housing Removal...........................................................................................................................4

5-8. Rotor, Driveshaft, and Connecting Rod Disassembly.............................................................................4

5-9. Drive Adapter/Gearmotor Removal........................................................................................................4

5-10. Cleaning ...............................................................................................................................................4

6-1. INSPECTION ....................................................................................................................................................4

6-2. Drive Shaft and Packing/Seals ..............................................................................................................4

6-3. Rotor......................................................................................................................................................4

6-4. Stator.....................................................................................................................................................4

6-5. All Other Parts .......................................................................................................................................4

7-1. ASSEMBLY ......................................................................................................................................................5

7-2. Lubrication During Assembly.................................................................................................................5

7-3. Driveshaft and Rotor Gear Joint Assembly............................................................................................5

7-4. Drive Adapter Assembly........................................................................................................................5

7-5. Pumps with Single Mechanical Seal......................................................................................................5

7-6. Pumps with Compression Packing ........................................................................................................6

7-7. Pumps with Double or Cartridge Mechanical Seals...............................................................................6

7-8. Suction Housing/Stator Assembly..........................................................................................................6

7-9. Pump Connections.............................................................................................................................................. 6

8-1. STORAGE.........................................................................................................................................................6

9-1. RECOMMENDED SPARE PARTS...................................................................................................................6

10-1. HARDWARE LIST – BB022 thru BA175.........................................................................................................7

10-2. HARDWARE LIST – BA220 thru BC345...........................................................................................................8

11-1. PARTS LIST – BB022 thru BA175 ..................................................................................................................9

11-2. PARTS LIST – BA220 thru BC345..................................................................................................................10

12-1. EXPLODED VIEW ..........................................................................................................................................11

13-1. SEAL SET DIMENSIONS...............................................................................................................................12

14-1. TROUBLESHOOTING CHART ......................................................................................................................13

SERVICE MANUAL

MOYNO®2000 CC PUMPS

1-1. INTRODUCTION

1-2. GENERAL

The Moyno 2000 pump is a progressing cavity pump. A single

helical rotor rolling eccentrically in the double-threaded helix of

the stator creates the pumping action. In its revolution, the rotor

forms, in conjunction with the stator, a series of sealed cavities

180 degrees apart. As the rotor turns, the cavities progress from

the suction to the discharge. As one cavity diminishes, the

opposing cavity increases at exactly the same rate. Thus, the

sum of the two discharges is a constant volume. The result is a

pulsationless, positive displacement flow.

1-3. SCOPE

This service manual covers the installation and maintenance

requirements for standard, close-coupled configuration of the

Moyno 2000 pump line. Disassembly and assembly procedures

are also covered in this manual.

1-4. NAMEPLATE DATA

The pump nameplate, located on the drive adapter, contains

important information relative to the operation and servicing of

the pump. This information includes the direction of rotation

arrow and the pump model and serial numbers.

The model and serial numbers must be used when ordering

spare parts.

1-5. Pump Rotation. A rotation arrow on the nameplate

indicates the direction of rotation. Standard rotation of Moyno

2000 pumps is clockwise, when viewed from the driven end of

the pump.

1-6. Model Number. The pump model number is a series of

numbers and letters, which identifies the pump’s basic design

and materials of construction. A typical model number, for

example, might be 1BB065CDQ3SA1AAAC, as shown on the

nameplate in Figure 1-1.

Figure 1-1. Typical nameplate showing rotation arrow,

model, and manufacturing serial numbers.

The first six numbers and letters identify the pump’s basic

design characteristics.

In the first space, a number identifies the number of stages

in the pumping elements. This will generally be a 1 or 2.

The second position, the letter “B”, designates the pump

type as being close-coupled.

In the third position, a letter designates the pump’s drive

train (con rod/gear joint/drive shaft):

A – One size smaller than element (175/220 only)

B – Same size as element

C – Same size as element, but larger gearbox drive

flange and drive shaft size (175/220/345 only)

The next three positions, always numbers, identify the pumping

element in terms of theoretical gallons per 100 revolutions.

The next 3 positions, always letters, describe the pump’s

“materials of construction” in component groups of parts.

The first letter in this group identifies the material of the

suction housing casting.

The second letter indicates the material used in the rotating

parts, i.e., the drive shaft, con rod, rotor, and other metallic

parts in contact with the material being pumped.

The third letter indicates the material of the stator. It

identifies only the stator material and not that of the tube in

which the stator is placed. The tube, a non-wetted part, is

always alloy steel.

The standard designation such as the CDQ used in our

example would result in the following:

C = Cast iron suction chamber

D = Hardened alloy steel internals including drive shaft,

con rod, gear joint, and rotor

Q = Nitrile (NBR) stator (70 durometer hardness)

The next position is a number identifying the current pump

revision. This manual corresponds to Revision 3.

The next three letters indicate the sealing system of the

pump. The first letter identifies whether packing, a single

seal, or a double seal is being used. The second and third

positions indicate specific seal or packing model and type

used.

A typical trim code is SA1, designating the following:

S = Single mechanical seal

A1 = John Crane type 2100 SiC/SiC/Viton/316

The next letter indicates rotor variations. The most common

designation is an A for standard size, chrome plated. Other

options are available including special coatings, undersizes,

and oversizes.

Section:

MOYNO®2000 PUMPS

Page: 1

Date: July 2005

Page 2

The next letter indicates whether there are any special options

being used in the pump, typically this is an A for no special

options.

The next letter indicates the suction configuration. For this

pump an A is used designating a standard flanged pump.

The last letter indicates the drive configuration and

flange/shaft/seal size. In our close coupled pump nameplate

the C designates a 250mm flange and 45mm shaft.

2-1. INSTALLATION

2-2. GENERAL

Accessibility to the pump and adequate clearance should be

prime considerations in any installation. Enough space should

surround the unit so that maintenance can be performed with

ease.

2-3. PIPING

1. Suction piping should be as short as possible. Normally,

the suction line should be the same diameter as the pump

suction; however, conditions such as high viscosity or

required minimum flow velocities may dictate otherwise.

Long-sweep 90-degree elbows or 45-degree elbows should

be used instead of the standard elbow. Avoid using suction

piping loops, which trap air.

2. Discharge piping diameter should generally be as large as

the discharge port unless fluid conditions indicate

otherwise.

3. An easily removable section of piping, at least twice as long

as the stator, should be mated to the discharge port. This

will allow the rotor and stator to be removed without having

to remove the complete pump from the base.

2-4. Foundation. For maximum pump-driver unit life, each unit

should be mounted on a strong steel baseplate. The baseplate

should be mounted on a firm foundation. The motors should be

supported on close-coupled configurations above 30 HP.

3-1. OPERATION

3-2. INITIAL CHECK

Before putting the pump into operation, the following items

should be checked to ensure that each piece of equipment is

installed correctly:

•Electrical connections.

•Gauges and other instruments.

•Pump rotation. Rotation is indicated on the pump

nameplate.

•All valves should be open on both suction and discharge

sides of pump.

•Seal flush systems if required should be operational.

Double seals require flushing between faces.

CAUTION: This is a positive displacement pump. Do not

operate it against a closed valve.

3-3. START-UP

CAUTION: DRY OPERATION IS HARMFUL TO THE PUMP!

Never allow the pump to operate without liquid, as dry

operation will cause premature wear of the stator and

possible damage. The liquid being pumped lubricates

the stator.

1. Before operating the pump for the first time, fill it with

liquid to lubricate the stator for the initial start-up.

Note: If the pump is shut down temporarily, enough liquid

will remain in the system to provide lubrication upon

restarting. It is advisable to maintain the suction piping

at a higher elevation than the centerline of the pump in

order to contain some liquid in the pump at time of

shutdown.

2. Once the pump has been filled with liquid, check for

direction of pump rotation by momentarily starting and

stopping the drive. See pump nameplate for correct

rotation.

3. Start seal flush water if so equipped.

4. Start pump.

3-4. Packing Leakage. The packed stuffing box is designed

to control leakage, not stop it completely. Leakage is

necessary to reduce friction and dissipate heat.

In a new pump, before the packing has had a chance to seat

properly, excessive leakage through the stuffing box is

common. Frequent adjustments of the packing gland may be

necessary during the first few hours of operation in order to

compress and seat the packing. See Section 4-3.

4-1. MAINTENANCE

4-2. GENERAL

The Moyno 2000 CC pump has been designed for a

minimum of maintenance, the extent of which is routine

adjustment of the packing. The pump is one of the easiest to

maintain because the main elements are very accessible and

require few tools to disassemble.

4-3. Packing Adjustment. Packing gland nuts (see Figure

4-1) should be evenly adjusted. Overtightening the packing

gland may result in premature packing failure and possible

damage to the shaft and gland.

Figure 4-1. Cross Section of Packing Housing

When packing is new, frequent minor adjustments during the

first few hours of operation are recommended in order to

compress and seat the packing.

1. Upon initial start-up of the pump, adjust the gland nuts for

a leakage rate of 50-100 drops per minute until the

packing has seated and adjusted to the operating

temperature (approximately 10-15 minutes).

2. If leakage is excessive after 15 minutes of operation,

tighten the gland nuts ¼ of a turn.

3. Tighten the gland nuts ¼ of a turn after an additional 15

minutes if necessary and repeat this procedure until a

desired leakage of 1-2 drops per minute is obtained.

Adding grease may also reduce leakage by providing a

barrier at the lantern ring.

CAUTION: Do not tighten until zero leakage is obtained.

Overtightening the packing gland may result in accelerated

wear on the packing and damage to the shaft. In those

situations where no packing leakage can be tolerated, consult

your Moyno Authorized Representative.

Area To Lubricate Approved Lubricant or

Equivalent

Packing ACG-2

(Dubois Chemical, Inc.)

4-4. PACKING REPLACEMENT

Note: In this section, the first reference to each pump part will

be followed by a number or a letter in parentheses ( ). These

numbers and letters are used to identify the pump parts and

hardware items in the Exploded Views in Section 13-1.

When tightening the gland nuts can no longer regulate leakage,

remove and replace the packing. The entire pump does not

need to be disassembled to replace the packing. Briefly, replace

as follows:

1. Remove packing gland nuts and slide gland halves (152)

back along drive shaft (400).

2. Use a packing puller tool (see Figure 4-2) to remove the

packing (150).

Figure 4-2. Packing Removal Tool

3. Inspect surface of drive shaft for excessive wear or grooves

due to packing rub. If shaft is worn, or is badly scored or

grooved, it should be replaced.

4. If drive shaft is not worn, install a lantern ring and four

packing rings, lubricating them before installation with a

good grade of packing grease. Be sure to stagger the

packing ring joints at 90-degree increments.

Note: The stuffing box is supplied with four rings installed, a fifth

ring may be added after initial compression.

CAUTION: ALWAYS USE A PROPER PACKING TAMPER

TOOL TO INSTALL PACKING. Do not use a pointed or sharp

tool, as damage to the packing material or drive shaft could

result. To assure proper shaft lubrication, never use a one-piece

spiral wrap packing.

5. Replace packing gland halves and secure with packing

gland and nuts (156).

Page 3

6. Adjust packing per Section 4-3.

5-1. DISASSEMBLY

Note: In this section and in following sections on CLEANING,

INSPECTION, and ASSEMBLY, the first reference to each

pump part will be followed by a number or letter in

parentheses ( ). These numbers and letters are those used to

identify the pump parts and hardware items in the Exploded

Views in Section 13-1.

5-2. DISCONNECT PUMP

1. Disconnect the power source.

2. Close suction and discharge valves to isolate the pump

from the line.

5-3. STATOR REMOVAL

1. Remove section of discharge pipe attached to discharge

flange (200).

2. Remove discharge flange by unbolting from stator clamp

ring (210) and remove stator gasket (510). Use a

screwdriver tip to remove stator retaining ring (480), stator

clamp ring (210), and pump support (220) from stator

(500).

3. Unbolt stator clamp ring (210) from suction housing and

remove stator from rotor (turning stator clockwise while

removing will ease disassembly). Remove the stator

retaining ring. Remove stator clamp ring from stator. See

Figure 5-1. for the typical retaining ring removal procedure.

Figure 5-1. Typical Retaining Ring Removal

5-4. SUCTION HOUSING REMOVAL

1. Remove four bolts and lock washers (230) holding the

suction housing (100) to the drive adapter (10).

2. Pull the suction housing toward the rotor and away from

the adapter housing. Place a block of wood under the

suction housing to prevent it from dropping as you pull it

away from the adapter housing.

5-5. ROTOR/CON ROD/DRIVE SHAFT ASSEMBLY

REMOVAL

1. Slide the slinger ring (60) along the drive shaft (400),

towards the gear reducer, exposing the drive pin (70).

2. With a punch and hammer, tap the drive pin from the

drive shaft.

3. Carefully pull the rotor/con rod/drive shaft assembly from

the gear reducer. Place the assembly aside for now. On

larger sizes where it may be awkward to remove the

whole rotating unit as one piece, the rotor can be remove

first. Refer to section 5-8 for joint disassembly

instructions.

Page 4

5-6. PACKING HOUSING REMOVAL

1. Pull the packing housing (140) away from the drive adapter

(10). Remove the O-ring (530).

2. Remove the gland nuts (156), studs (155), and packing

gland halves (152).

3. Use a packing removal tool to remove two rings of packing

(150), two lantern rings (151), and the last two rings of

packing (150).

5-7. SEAL HOUSING REMOVAL

1. Pull the seal housing (140) from the drive adapter (10).

Remove the O-ring (530).

2. Carefully push the stationary seal face from the adapter

housing.

3. Carefully pull the rotating portion of the mechanical seal

(150) from the drive shaft.

5-8. ROTOR, DRIVESHAFT, AND CONNECTING ROD

DISASSEMBLY

1. Remove the vent plug (440) and set screw (450) from the

gear joint shell (410).

2. Remove six socket head screws (430) from head ring (420)

and remove head ring and O-ring (540). Slide connecting

rod/gear joint assembly off rotor head. Remove gear joint

keys (360) and primary thrust plate (310) from rotor (470).

3. Slide gear joint shell (410) off gear ball/connecting rod

assembly. Slide ring gear (350) off gear ball (300).

4. Clamp connecting rod (460) in vice and hold with pipe

wrench and remove lock nut (330). Remove gear ball

(300), secondary thrust plate (320), seal support (340), and

gear joint seal (520) from connecting rod.

6. Repeat steps 2 through 5 for driveshaft joint disassembly.

NOTE: It is recommended that each time the rotor and gear

joint is disassembled, the rotor head O-ring (360) and gear joint

seal (520) should be replaced.

5-9. Drive Adapter / Gearmotor Removal. Remove the four

bolts and lock washers holding the drive adapter (10) to the

gear reducer. Pull the drive adapter from the reducer.

5-10. Cleaning. Clean parts in a suitable cleaning solvent.

6-1. INSPECTION

6-2. DRIVESHAFT AND PACKING/SEALS

1. Inspect drive shaft (400) for scoring, burrs, cracks, etc.

Replace as necessary.

2. It is sound practice to always replace O-rings and gear

joint seals.

3. It is sound practice to replace mechanical seals when the

pump is disassembled. Extreme care should be taken to

protect the seal faces from damage. These are fragile;

avoid touching the faces and keep them clean.

The rubber bellows will adhere to the shaft after

assembly and must be replaced if removed from the

shaft.

4. It is sound practice to always replace packing (150)

whenever the pump is disassembled.

6-3. ROTOR

1. To check for excessive rotor (470) wear, measure

the rotor crest-to-crest diameter (see Figure 6-1.)

and compare with the following chart:

Rotor Size Standard Crest-to-Crest

Diameter (Inches)

022

036

050

065

090

115

175

220

345

3.425

4.015

4.906

5.709

6.584

7.116

7.260

The rotor size is designated by the fourth, fifth, and sixth

numbers in the model number (i.e.,1BB065).

Figure 6-1. Measuring Rotor Diameter

2. If the measured crest-to-crest diameter is within

.010 in. of the standard value, the rotor is reusable

provided that:

a. The rotor surface is not cracked, pitted or deeply

grooved (.030 in. or more).

3. Rotors with crest-to-crest diameters greater than

.010 in. under the standard value should generally

be replaced.

6-4. Stator. The best indication of stator wear (500) and the

need for replacement is a drop in pump performance. Stators

with interior surfaces that are pitted, grooved or gouged

should also be replaced.

6-5. All Other Parts. Check for cracks, excessive wear,

damage to threaded holes, burrs, etc. Replace as necessary.

Replace O-rings (530) and both gaskets (510) at each

disassembly and reassembly.

7-1. ASSEMBLY

7-2. LUBRICATION DURING ASSEMBLY

1. Gear Joints. Both gear joints should be packed with

lubricant during assembly (Section 7-3). DO NOT use zerk

fittings to lubricate gear joints after assembly. The pipe

plugs (440) in the drive shaft head, drive shaft, and gear

joint shell are vent plugs and MUST BE REMOVED during

assembly of the gear joints to allow excess lubricant to vent

from the gear joints.

2. Packing. Lubricate packing rings during assembly.

Additional grease can be added after assembly through

zerk fittings if installed in the side of the stuffing box.

3. Approved Lubricants:

CAUTION: Do not mix different brands of lubricants for the

same application.

Area to Lubricate Approved Lubricant or

Equivalent

Gear Joints

& Packing ACG-2

(Dubois Chemical, Inc.)

7-3. DRIVESHAFT AND ROTOR GEAR JOINT

ASSEMBLY

1. Insert the primary thrust plate (310) into driveshaft/rotor

head, flat side first. Thrust plate and driveshaft/rotor head

surfaces must be flush to assure proper assembly and

operation of the pump (see Figure 7-1.).

Figure 7-1. Rotor Thrust Plate Seating Detail

2. Assemble the gear joint by first fitting a gear joint seal (520)

onto the connecting rod assembly (460). The seal must be

positioned so that the flat face of the seal neck fits into the

seal retainer component of the connecting rod assembly.

Apply a small coating of approved gear joint lubricant to the

inside surfaces of the seal.

3. Apply a small amount of lubricant to the flat face of the seal

support (340) and slide it onto the connecting rod so that

the flat face and radius of the support is against the seal

(520).

4. Grease the concave spherical surface of the rear thrust plate

(320) and position thrust plate against the seal (520) with

the lip on the outside diameter of the seal fitting the step on

the back side of the thrust plate.

5. Apply a film of grease to the splines on the inside of the

gear ball (300). Install gear ball on connecting rod (460),

with counter-bored end (end without splines) first on

connecting rod. Gear ball should slide freely against

shoulder on connecting rod. Place lock nut (330) on

connecting rod and tighten against gear ball. Apply grease

to spherical surfaces and teeth of gear ball.

Page 5

6. Apply grease to the teeth of the ring gear (350), and slide ring

gear into the gear ball. When ring gear is in place, keyways

should be facing the lock nut end of connecting rod.

7. Apply a thin coating of grease to the spherical surface of the

thrust plate (310) already installed in the driveshaft/ rotor head.

Fill the recessed area in the driveshaft/rotor head with grease.

Place keys (360) in the keyways in the ring gear.

8. Align the keys in the ring gear with the keyways in the

driveshaft/rotor head and slide assembled gear joint

components into the gear joint shell (410). Check to be sure

the keys are properly engaged in the driveshaft/rotor head

and ring gear.

9. Lightly lubricate the O-ring (540) and then position the O-

ring in outside diameter O-ring groove slot of the gear

joint head ring (420).

10.Slide the head ring (420) over the connecting rod (460), O-

ring side first, towards the assembled gear joint

components and driveshaft/rotor gear joint shell (410).

Align holes in head ring (420) with six threaded holes in

end of gear joint shell and install six stainless socket head

screws (430). Tighten the six socket head screws evenly,

checking to ensure O-ring (540) remains in place. When

tightened properly, a small gap of a few thousandths of an

inch may exist between the shell (410) and gear joint head

ring (420). Note: After assembling the first joint the gear

joint shell (410) for the second joint must be placed on the

con rod before assembly on the second joint begins.

11.Excess grease in the assembly will be purged from the

vent hole in the gear joint retainer (420) while the socket

head screws are tightened. Rotate the free end of the

connecting rod in a circular motion to assure that the joint

is free and assembled properly. This will also help to

purge excess grease from the assembly.

12.Install the stainless steel pipe plug (440) in the vent hole

in the shell and tighten.

13.Coat the rotor (470) contour with waterless hand cleaner,

glycol, or other lubricant compatible with the stator

elastomer. Insert rotor into stator. NOTE: To ease

assembly, turn the stator counter-clockwise while

assembling onto the rotor.

15.For Pump Models 065 / 090 / 115 / 175 / 220 / 345

a. Secure the pump support (220) to the suction

housing (100) with two hex head screws, lock

washers, and nuts (230/260).

16.Slide stator clamp rings (210) on both ends of the stator

(500) and secure in position with retaining rings (480).

7-4. Drive Adapter Assembly. Place the drive adapter (10)

against the flange of the gear reducer and secure with four hex

head screws and washers. Tighten evenly. Apply a liberal

amount of anti-seize lubricant to the entire surface of the

reducer shaft. Note: The drive adapter (10) must be mounted

to the baseplate before the gearbox can be mounted. For units

with a double or cartridge seal please refer to section 7-7

before mounting the gearbox to the drive adapter.

7-5. PUMPS WITH SINGLE MECHANICAL SEAL

1. Carefully slide the rotating portion of the mechanical seal

(150) onto the drive shaft up against the set collar (160).

The seal face should be facing out, away from the

connecting rod (460). Apply a small amount of grease to

the ID of the rubber bellows making it easier to slide onto

the shaft.

Page 6

2. Gently push the stationary portion of the mechanical seal

into the recess in the seal housing (140). Place the O-ring

(530) on the shoulder of the seal housing.

3. Slide the seal housing into the drive adaptor (10).

Secure the suction housing (100) to the drive adapter (10)

with four hex head screws and lock washers (20/30). Take

care to be sure the o-ring (530) is placed on the seal

housing (140) before assembling.

4. Next, carefully slide the rotating/stator assembly first

through the suction housing (100) and then through the

seal stationary face in the seal housing and over the gear

reducer shaft. Align the holes by rotating the motor fan.

Use a punch to align the holes axially being careful not to

damage the mechanical seal.

5. Replace the drive pin (70) and slide the slinger ring (60)

onto the shaft over the drive pin (70)

7-6. PUMPS WITH COMPRESSION PACKING

1. The standard packing set (150) consists of four braided

packing rings. The lantern ring (151) must be ordered

separately.

2. Wipe a film of lubricant on each packing ring and install two

rings in the packing housing (140). Push each ring firmly in

place, staggering the splits in each ring 90 degrees.

3. Install the lantern ring and the last two rings of packing,

staggering the splits as before.

4. Install packing gland studs (155), packing gland halves

(152), and gland nuts (156). Tighten nuts finger tight at this

point. Place the O-ring (530) on the shoulder of the packing

housing.

5. Slide the packing housing into the drive adaptor (10).

Secure the suction housing (100) to the drive adapter (10)

with four hex head screws and lock washers (20/30). Take

care to be sure the o-ring (530) is placed on the seal

housing (140) before assembling.

6. Next, carefully slide the rotating/stator assembly first

through the suction housing (100) and then through the

seal stationary face in the seal housing and over the gear

reducer shaft. Align the holes by rotating the motor fan.

Use a punch to align the holes axially.

7. Replace the drive pin (70) and slide the slinger ring (60)

onto the shaft over the drive pin (70).

7.7. PUMPS WITH DOUBLE OR CARTRIDGE

MECHANICAL SEALS

1. Apply a small amount of grease to the ID of the rubber

bellows or o-rings making it easier to slide onto the shaft.

2. Gently push the stationary portion of the mechanical seal

into the recess in the seal housing and housing plate (140)

(Cartridge seals are self contained.) Insert rotating seal

assemblies in to the seal housing and bolt cover plate to

the housing with four cap head screws. Place the O-ring

(530) on the shoulder of the seal housing.

3. Hold the seal housing (150) in the drive adaptor (10).

Secure the gearmotor to the drive adapter with four bolts.

Gently rest the seal on the gearbox shaft. Secure the

suction housing (100) to the drive adapter (10) with four

hex head screws and lock washers (20/30). Take care to

be sure the o-ring (530) is placed on the seal housing

(140) before assembling.

4. Next, carefully slide the rotating/stator assembly first

through the suction housing (100) and then through the

seal stationary face in the seal housing and over the

gear reducer shaft. Align the holes by rotating the motor

fan. Use a punch to align the holes axially being careful

not to damage the mechanical seal.

5. Replace the drive pin (70) and slide the slinger ring (60)

onto the shaft over the drive pin (70)

7-8. SUCTION HOUSING/STATOR ASSEMBLY

1. Bolt stator clamp ring (210) to the suction housing (100)

with six hex head screws and lock washers (230/260).

2. Bolt stator clamp ring (210) to the discharge flange (200)

with six hex head screws and lock washers (230/260).

7-9. PUMP CONNECTIONS

1. Connect suction and discharge piping to the pump. Check

INSTALLATION instructions in Sections 2-1. through 2-6.

2. Review OPERATION instructions in Sections 3-1.

through 3-4. before starting the pump.

8-1. STORAGE

Short-Term Storage. Storage of six months or less will not

damage the pump. However, to ensure the best possible

protection, the following is advised:

1. Store pump inside whenever possible or cover with

some type of protective covering. Do not allow moisture

to collect around pump.

2. Remove drain plug to allow the pump body to drain and

dry completely.

3. See drive manufacturer’s instructions for motor and/or

drive storage.

4. See OPERATION, Sections 3-1. through 3-4., before

startup. Be sure all lubricants are in good condition.

Long-Term Storage. If pump is to be in storage for more

than six months, perform the above short-term storage

procedures with the exception of Step 4. In its place it is

suggested that the stator be removed to avoid developing a

“set” condition. In addition: Apply rust inhibitor to all

unpainted cast iron and machined carbon steel surfaces.

9-1. RECOMMENDED SPARE PARTS

Your Moyno 2000 pump has been designed and built to

minimize overall operating cost. All wearable parts are

replaceable. A recommended inventory of spare parts is

dependent upon the application and the importance of

continued operation.

To minimize downtime, we recommend the following spare

parts be in your inventory: This is a suggested list. For further

assistance, contact your Moyno representative.

(1) Rotor

(1) Stator

(2) Stator Gaskets

(1) Con Rod

(1) Mechanical Seal / Packing

(2) Gear Joint Kits

Page 7

10-1. HARDWARE LIST – BB022 THRU BA175

Ref

No. Description BB022 BB036 BB050 BB065 BB090 BB115 BA175

20 Hex Screw-200mm M10 X 50

30 Lock Washer M10

40 Hex Nut M10 X 1.5

20 Hex Screw-250mm

30 Lock Washer

40 Hex Nut

20 Hex Screw-300mm

30 Lock Washer

40 Hex Nut

20 Hex Screw-350mm

30 Lock Washer

40 Hex Nut

20 Hex Screw-450mm

30 Lock Washer

40 Hex Nut

50 Pipe Plug

110 Hex Screw

120 Lock Washer

130 Pipe Plug

153 Socket Pipe Plug

154 Grease Fitting

155 Gland Stud-Small Shaft

155 Gland Stud-Large Shaft

156 Hex Nut-Small Shaft

156 Hex Nut-Large Shaft

170 Socket Pipe Plug

235 Hex Screw

236 Lock Washer

237 Hex Nut

240 Hex Screw M20 x 50 M20 x 60

245 Lock Washer M20 x 50

250 Hex Screw M16 x 40

255 Hex Screw

260 Lock Washer

430 Socket Screw

440 Socket Pipe Plug

450 Set Screw

M16 x 50

M12

M20 x 55

5/16-18 x .625"

M8 x 1.25 x 50 M10 x 1.5 x 60

#10-24 x .50" 1/4-20 x .625"

1/4-17 NPT

M16

M16 x 45

M20 x 50

M20 x 45

M20 x 55

M10 x 1.5

1/4-18 NPT M12 x 50

M20

M8 x 1.25 M10 x 1.5 x 60 M10 x 1.5

M20 x 55

M12 x 1.75

1/4-27 NPT

M16

M12 x 65

M12

M12 x 1.75

M16 x 70

M16

M16 x 2.0

M12 x 60

M12

M12 x 1.75

3/4" NPT

M20

1" NPT

1/4-27 NPT

3/4-10 x 1.75"

3/4-10 x 2.25"

3/4"

Page 8

10-2. HARDWARE LIST – BA220 THRU BC345

Ref No. Description BA220 BB175 BB220 BB345 BC175 BC220 BC345

20 Hex Screw-200mm

30 Lock Washer

40 Hex Nut

20 Hex Screw-250mm M12 x 60

30 Lock Washer M12

40 Hex Nut M12 x 1.75

20 Hex Screw-300mm

30 Lock Washer

40 Hex Nut

20 Hex Screw-350mm

30 Lock Washer

40 Hex Nut

20 Hex Screw-450mm

30 Lock Washer

40 Hex Nut

50 Pipe Plug

110 Hex Screw M20 x 55

120 Lock Washer

130 Pipe Plug

153 Socket Pipe Plug

154 Grease Fitting

155 Gland Stud-Small Shaft M10 x 1.5 x 60

155 Gland Stud-Large Shaft M10 x 1.5 x 60

156 Hex Nut-Small Shaft M10 x 1.5

156 Hex Nut-Large Shaft M10 x 1.5

170 Socket Pipe Plug

235 Hex Screw

236 Lock Washer

237 Hex Nut

240 Hex Screw

245 Lock Washer

250 Hex Screw

255 Hex Screw

260 Lock Washer

430 Socket Screw

440 Socket Pipe Plug

450 Set Screw

M12

M16

M16 x 2.0

M20 x 60

3/4" NPT

1/4-17 NPT

5/16-18 x .625"

M12 x 1.75 x 70

1/4-20 x .625"

M12 x 1.75

1/4-18 NPT M12 x 50

M12 x 1.75

M12 x 1.75 x 70

M12 x 1.75

M16 x 70

M12 x 1.75

M20 x 60

1/4-27 NPT

M16 x 55

M16

M16 x 2.0

M12 x 65

M12

M20

1" NPT

1/4-27 NPT

M20

3/4-10 x 1.75"

3/4-10 x 2.25"

3/4"

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