Moyno 2000 Manuel utilisateur

MOYNO

2000 Pumps

G2/G3 Enhanced Feed Models

Version 5 Models

SERVICE MANUAL

Note: This service manual outlines installation, operation and maintenance procedures for the flanged ”G4” models of Moyno 2000

pump. For information on the flanged G1, open throat (G2) and/or the bridge breaker (G3) models of the Moyno 2000 pump,

refer to their respective Service Manual, or contact your nearest Moyno pump representative.

TABLE OF CONTENTS

Page

1-1. INTRODUCTION……………………………….....

1-2. GENERAL…………………………………1

1-3. NAMEPLATE DATA……………………...1

1-4. Pump Rotation…………………1

1-5. Model Number…………………1

1-6. Frame Size Designation………1

1-7. Type Designation……………...1

1-8. Version Designation………….. 2

1-9. Trim Code……………………... 2

1-10. Variation of Standard Parts…..2

2-1. INSTALLATION……………………………………2

2-2. GENERAL…………………………………2

2-3. PIPING……………………………………. 2

2-4. Suction Piping………………….2

2-5. Discharge Piping………………2

2-6. FOUNDATION…………………………… 2

2-7. SHAFT ALIGNMENT……………………. 3

2-8. On Coupling Connected Units. 3

2-9. On Belt Drive Units…………… 3

2-10. WATER FLUSH OF PACKING………..3

3-1. OPERATION…………………………………….... 3

3-2. INITIAL CHECK…………………………..3

3-3. START-UP……………………………….. 3

3-4. PACKING LEAKAGE…………………….4

4-1. MAINTENANCE……………………………………4

4-2. GENERAL…………………………………4

4-3. PACKING ADJUSTMENT……………….4

4-4. PACKING REPLACEMENT……………..4

4-5. LUBRICATION……………………………5

4-6. Bearings………………………...5

4-7. Gear Joints……………………..5

4-8. PUMP DISASSEMBLY……………..…... 5

4-9. Disconnect Pump……………...5

4-10. Packing Removal……………...5

4-11. Stator Removal……………….. 5

4-12. Drive train removal………..….. 5

4-13. Rotor, Connecting Rod, and

Intermediate Shaft Removal .. 6

4-14. Drive Shaft and Bearings

Removal………………………..6

4-15. G3 BRIDGE BREAKER

DISASSEMBLY…………………………6

4-16. G3 Paddle Removal………..… 6

4-17. G3 Bearing Side Removal..…..6

4-18. G3 Drive Side Removal……… 6

Page

4-19. CLEANING……………………………..7

4-20. INSPECTION…………………………..7

4-21. Bearings…………………..….. 7

4-22. Drive shafts………………..….7

4-23. Seals……….……………..….. 7

4-24. Packing…….……………….... 7

4-25. Rotor…….………………..….. 7

4-26. Stator…….………………..….. 8

4-27. All Other Parts……………….. 8

4-28. PUMP ASSEMBLY ……………………8

4-29. Lubrication During Assembly. 8

4-30. Packing Installation…………. 8

4-31. Bearing Housing/Suction

Housing Assembly…………... 8

4-32. Bearing/Drive Shaft

Assembly……………………...8

4-33. Rotor/Stator Assembly……… 9

4-34. Rotor Gear Joint Assembly… 9

4-35. Rotor/Stator to Drive End

Assembly……………………...10

4-36. Stator Support/Discharge

Assembly…………………….. 10

4-37. G3 BRIDGE BREAKER ASSEMBLY .11

4-38. G3 Drive Side Assembly…….11

4-39. G3 Bearing Side Assembly …11

4-40. G3 Paddle Assembly …….….11

4-41. FINAL ASSEMBLY…………………….12

4-42. Packing Adjustment……..….12

4-43. OTHER CONSIDERATIONS…………12

4-44. Short Term Storage .………. 12

4-44. Long Term Storage .………. 12

4-46. PACKING SPECIFICATION………….12

4-47. VARIATIONS OF STANDARD PARTS.

4-48. Rotors……..…………….……. 13

4-49. Drive Shafts……………...….. 13

4-50. PUMP MODEL DESIGNATION…..… 13

4-51. G2 PARTS LISTS………………….…. 14

4-52. Table 4.1 G2 Exploded View15

4-53. G3 PARTS LISTS………………….…. 16

4-54. Table 4.2 G3 Exploded View.17

4-55. TROUBLESHOOTING CHART…..…. 18

SERVICE MANUAL

Moyno

2000 Pumps

G2/G3 Enhanced Feed Open Throat Models

1-1. INTRODUCTION

1-2. GENERAL

The Moyno

2000 Pump is the culmination of over 70 years of

experience in manufacturing and marketing fluids handling

equipment. This rugged pump has been engineered to be the most

reliable product ever sold under the Moyno name. The pump has

been painstakingly tested to assure consistent performance in the

most difficult of applications. Itrepresents thenextgeneration of the

world’s most versatile pump.

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

helical rotor rolling eccentrically in the double helix of the stator

creates the pumping action. The rotor in conjunction with the stator

forms a series of sealed cavities 180 degrees apart. s the rotor

turns, the cavities progress from the suction to the discharge. As

one cavity diminishes, the opposing cavity increases at exactlythe

same rate. Thus the sum of the two discharges is a constant

volume. The result is a pulsation-free positive displacement flow

utilizing no valves.

The G2 product line is thelatest Moyno design whichincorporates a

wide open throat feed hopper with auger connecting rod for better

fill efficiency. The G3 version incorporates the features of the G2

open throat plus has a separate bridge breaker mechanism to

effectively pump even higher solids and viscosity products. This

manual supports the G2/G3 version 5 product lines purchased after

Oct 2003 (See fig 1-1 for indicator in trim code).

G2 Version 5 features include integral extension tube, larger auger

feed connecting rods, and two piece drive shaft for easy

maintenance. TheG3Version 5includesthefeatures oftheG2 plus

separate drive on the Bridge Breaker to allow the flexibility to vary

the paddle speed, separate from the pump, when needed. The

paddle shaft is designed for maintenance ease by allowing the

paddles to be removed from the inside of the suction hopper. This

feature allows servicing of the bottom pump portion without

disturbing the bridge breaker drive mechanism, significantly

reducing downtime.

1-3. NAMEPLATE DATA

The pump nameplate, located on the bearing housing, contains

important information relating to the operation and servicing of the

pump. This information includes the direction of rotation arrow and

the pump model and serial numbers (see Figure 1-1.). The pump

model number must be used for reference when ordering spare

parts.

1-4. Pump Rotation. A rotation arrow on the nameplate indicates

the direction of rotation. Normal rotation of Moyno 2000 pumps is

clockwise, when viewed from the driven end of the pump.

Figure 1-1. Typical nameplate showing rotation arrow,

model, and manufacturing serial numbers.

1-5. Model Number. The pump model number consists of

three componentparts:Frame Designation,TypeDesignation

and a Trim Code. A typical model number, for example, might

be 2G036G2M20 CDQ 5AAA, as shown on the nameplate in

Figure 1-1. Version #5 is indicated before the trim code (IE:

5AAA).

1-6. Frame Designation. The Moyno 2000 is modular in

concept allowing for optimal matchingof driveends andpump

elements (rotor and stator) to meet the requirements of the

application. The ten or more characters in the frame

designation describe the particular combination of drive end,

hopper length, and pump elements, as well as other

construction details of your pump. The first character in the

frame designation, always a number, indicates the number of

stages of the pump elements.

The second character is always a letter (E-K) and indicates

the drive end size. The third, fourth and fifth numerical

characters are indicating the theoretical capability of

the

pumping elements per 100 revolutions on water. The sixth

character represents the type of universal joint utilized, “G” =

gear type joint. The seventh character, a number, indicates

the type of suction housing. Open throat pumps are

designated by a “2”, open throat pumps with a bridge breaker

option by the numeral “3”. On the G2 and G3 versions, the

eighth character is a letter that represents the type of hopper

and auger style used. The length of the hopper is designated

by the ninth and tenth numerical characters. A length

designation of 20 indicates a hopper length made to mate to 2

meter belt filter press (2.2 meters wide).

1-7. Type Designation. Following the Frame Designation is

the Type Designation, a series of three letters describing the

materials from which the pump is constructed.

Section: MOYNO

2000 G2/G3 PUMPS

Page: 1

Date: October 2005

The first letter identifies the material of the suction housing.

C ⎯Cast Iron

E ⎯Carpenter 20 Stainless Steel*

G ⎯416 Stainless Steel

H ⎯Hastelloy “C”**

J ⎯17-4 pH Stainless Steel

M ⎯Monel***

S ⎯316 Stainless Steel

W ⎯Cast Steel

X ⎯Special to Application

The second letter indicates the material used in the drive shaft,

connecting rod, rotor, and other wettable parts.

D ⎯Alloy Steel

E ⎯Carpenter 20 Stainless Steel*

G ⎯416 Stainless Steel

H ⎯Hastelloy “C”**

J ⎯17-4 pH Stainless Steel

M ⎯Monel***

S ⎯316 Stainless Steel

X ⎯Special to Application

The third letter indicates the material of the stator. It identifies

only the stator material and not that of the tube. The stator tube

construction is typically carbon steel since it is isolated from the

pumpage. Standard stator materials used in the Moyno 2000

pump are as follows:

B ⎯EPDM 300, 70 Durometer

C ⎯Nitrile 103, 50 Durometer

D ⎯Tool Steel

E ⎯Nitrile 110, 70 Durometer

F ⎯Fluoroelastomer 500, 75 Durometer

G ⎯416 Stainless Steel

H ⎯Hastelloy “C”**

I ⎯Teflon 15% Glass†

J ⎯17-4 pH Stainless Steel

K ⎯Hypalon 800, 70 Durometer†

M ⎯Nitrile 100M 70 Durometer

P ⎯Thiokol 70 Durometer‡

Q ⎯Nitrile 100, 70 Durometer

R ⎯Natural Rubber 200, 55 Durometer

T — Teflon 15% glass

U ⎯Urethane 70 Durometer

X ⎯Special to Application

Z ⎯White Nitrile 150, 70 Durometer

A typical type designation, such as CDQ, would identify the

following materials of construction:

C ⎯Cast iron suction housing

D ⎯Alloy steel rotor, drive shaft, connecting rod and

other minor metallic parts in contact with the fluid being

pumped.

Q ⎯Nitrile (70 Durometer) stator

*Carpenter 20 is a trademark of Carpenter Technology Corp.

**Hastelloy is a trademark of Cabot Corp.

***Monel is a trademark of INCO Alloy Corp.

†Hypalon and Teflon are trademarks of E. I. DuPont de Nemours

and Company

‡Thiokol is a trademark of Morton Thiokol, Inc.

1-8. Version Designation. Following the Frame Designation is

the a number which indicates the version Designation. A metric

version sold into the world markets is designated as a 1. The

current ANSI version, covered in this service manual, is

designated by 5.

1-9. Trim Code. Also included in the Model Number is the

three character Trim Code which is used to identify pump

construction. The letters “AAA” signify standard construction,

with letters other than “A” signifying variations. The first letter

identifies sealing variations; the second, internal variations;

and the third, rotor variations.

1-10. Variations of Standard Parts. Refer to Sections 4-47

through 4-49 for variations available for modifying pumps to

meet specialized pumping conditions. If the trim code of your

pump is other than “AAA”, contact your nearest Moyno

representative for clarification. Do not modify your pump with

any variation unless you have determined that it is compatible

with your application.

2-1. INSTALLATION

2-2. GENERAL

Moyno pumps are lubricated and tested at the factory prior to

shipment and require minimum pre-start up maintenance.

Packing, however, is not lubricated at the factory.

Accessibility to the pump and adequate clearance should be a

prime consideration in any installation. Enough space should

surround the unit so that maintenance can be carried out with

ease.

2-3. PIPING

2-4. Suction Hopper usedwithopenthroat and bridgebreaker

pumps should have nearly vertical sides, or be otherwise

designed to enhance the flow of the material into the pump.

2-5. Discharge Piping diameter should generally be as large

as the pump ports unless fluid conditions indicate otherwise.

An easily removable section of piping one-to-two times longer

than the connecting rod (approximately the length of the

suction housing and bearing housing together) should be

mated to the discharge port. This will allowthe rotor and stator

to be removed without having to remove the complete pump

from the base.

2-6. FOUNDATION

Each unit should bemounted on a strong,fabricatedsteelbase

plate. The base plate should be mounted on a concrete

foundation. The foundation should be approximately 4” to 8”

longer and wider than the base for which it is built (See Figure

2-1.). Anchor bolts for the base plate should be located in the

foundation.

Figure 2-1. Typical Foundation Example

Check the base plate surface with a carpenter’s level and

place shims under the base plate at the places necessary to

make it level. Then check the pump driver shaft and the

pump ports to ensure that they are level. Complete base

mounted units supplied by Moyno including pump and driver

are leveled with respect to the base at the factory. Shifting

may occur during shipment. The pump and driver should be

realigned. Care should be exercised to ensure that all

components are level and mounted in a direct line.

For maximum rigidity and lower noise levels, the base plate

should be grouted to the foundationafterthe anchor boltshave

been evenly tightened. A good grade of non-shrink grout is

recommended. The spaces between the base plate and the

foundation around the shims should also be filled with grout.

Allow the grout to dry according tomanufacturers’ instructions,

then fully tighten the anchor bolts.

2-7. SHAFT ALIGNMENT

Although the base-mounted units supplied by Moyno are

leveled with respect to the base before shipment, most of the

larger pump and driver units are shipped with the flexible

coupling disconnected.

After the base has been bolted down to the foundation, check

the following conditions:

2-8. On Coupling Connected Units, be sure that the pump

and driver shafts are realigned before the coupling is

connected. Care should be exercised to ensure that all

components are level and mounted in a direct line.

Check gap between coupling halves (refer to coupling

manufacturer’s recommendations). Adjustmentcan usuallybe

accomplished by loosening the mounting bolts on either the

pump or driver and moving the loosened component into

alignment with the fixed component. On couplings with equal

diameter hubs, it may be possible to lay a straight edge axially

across the coupling halves to check alignment.

Check gear reducer and motors for proper lubrication per

manufacturer’s recommendations.

2-9 On Belt Drive Units, check to ensure that sheaves or

sprockets are in alignment. Check belts for proper tension.

Tension requirements will vary with type of belt, center

distances, and belt speeds. Consult belt manufacturer for

specific recommendation.

2-10. WATER FLUSH OF PACKING

The packing maybe either grease lubricated through agrease

fitting in the stuffing box or have plumbing connected to the

housing to allow for water flushing.

Packing is not grease lubricated at the factory prior to

shipping.

When the material being pumped is abrasive, water flushing

the packing is recommended to extend shaft life.

Clean water can be injected through a 1/8” NPT hole that

normally houses the grease fitting for lubricating the packing.

The water should be permitted to leak axially along the shaft

and be removed from the second tapped hole in the stuffing

box. The discharge from the stuffing box should be throttled

slightly to maintain 10 – 15 PSI higher pressure in the stuffing

box than is present in the suction housing (See Figure 2-2.).

Flow rate should be approximately ½ - 2 GPM.

If a mechanical seal is used, consult the seal manufacturer’s

instructions for seal flush requirements.

Figure 2-2. Typical water flush arrangement for units with

packing includes strainer valve (1), pressure regulating

valve (2), sight flow meter (3), solenoid valve (4), pressure

gauge (5), and needle valve (6).

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:

⎯Pump, driver, coupling, or sheave alignment.

⎯Electrical connections.

⎯Gauges and other instruments.

⎯Water flush connection to the stuffing box.

⎯Pump rotation. Normal rotation is indicated on the

nameplate on the bearing housing.

⎯- G3 Bridge Breaker rotation. Normal rotation is for paddles

to rotate inward

⎯All valves should be open on both suction and discharge

sides of the pump.

⎯- Check for foreign objects in suction hopper.

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 stator is lubricated by the liquid,

which is pumped.

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

(the drain plug hole on the suction housing may be used for

filling). If the liquid to be pumped is highly viscous, dilute it before

filling the pump. The liquid fill-up will lubricate the stator for the

initial start-up.

2. Once thepumphasbeen filledwith liquid, checkfordirection

of pump rotation by momentarilystarting and stopping the drive.

Check rotation arrow on pump nameplate for correct rotation.

3. If applicable, turn on the water to the packing.

4. Start pump.

5. Adjust packing as needed.

6. For G3 models, try to maintain level of the product within a

few inches above the top of the bridge breaker paddles.

3-4. PACKING LEAKAGE

A packed stuffing box is designed to control leakage, not stop it

completely. Leakage is generally necessary to reduce friction

and dissipate heat. The amount of leakage necessary will

depend on the fluid pump, the installation, and pump speed and

type. Refer to Section4-3. forpacking adjustment.G3 pumpsare

equipped with packing on the pump as well as both sides of each

bridge breaker paddle (IE: 4sets).

Moyno 2000 pumps have been designed for minimum stuffing

box leakage when properly maintained. If leakage cannot be

tolerated, then a mechanical seal should be used.

4-1. MAINTENANCE

NOTE: In this section, a number or a letter in parentheses will

follow the first reference to each pump part (#). These numbers

and letters are those used to identify the pump parts and

hardware items in the Exploded View (Section 4-52 and 4-54).

4-2. GENERAL

The Moyno 2000 pump has been designed for a minimum of

maintenance, the extent of which is routine adjustment and

lubrication of packing. The pump is one ofthe easiesttoworkon,

in that the main elements are very accessible and require few

tools to disassemble.

4-3. PACKING ADJUSTMENT

Packing gland nuts should be evenly adjusted so they are little

more than finger tight (See Figure 4-1). Over-tightening of the

packing gland may result in premature packing failure and

possible damage to the shaft and gland.

When packing is new, frequent minor adjustmentsduring the first

few hours of operation are recommended in order to compress

and seat each ring of packing evenly.

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

leakage rate of 1 – 2 drops per second until the packing has

seatedand adjusted totheoperating temperature(approximately

10 – 15 minutes).

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

the gland nuts until a desired leakage rate is obtained.

CAUTION: Do not tighten until zero leakage is obtained.

Over-tightening of 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 Service Representative.

Figure 4-1. Cross Section of Stuffing Box

4-4. PACKING REPLACEMENT

When tighteningthegland nuts cannolonger regulate leakage,

remove and replace the packing. Replace as follows:

1. Remove packing gland nuts (47), and slide gland (28) and

clamp collar (33) back along drive shaft (38).

2. Remove packing gland studs(6)

3. Use a pair of packingextractors (Figure4-2.) toremove four

packing rings (62), lantern ring halves (7), and two additional

packing rings (62).

Figure 4-2. Packing Removal Tool

4. Inspect surface of drive shaft for wear or grooves. If shaft

is worn through the chrome plating into the base metal, or is

badly scored or grooved, it should be replaced.

5. If drive shaft is not worn, install two rings of packing, the

lantern ring halves, and four more rings of packing; lubricating

them before installation with a good grade of packing grease.

Be sure to stagger the packing ring joints at 90-degree

increments (See Section 4-30.).

CAUTION: Always use a proper packing tamper tool to

install packing. Do not use a pointed for 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.

6. Replace packing gland(28) and securewith packing gland

nuts. (See Figure 4-1.)

7. Adjust packing per Section 4-3.

4-5 LUBRICATION

4-6. Bearings. The bearings are lubricated at the factory and

will only need to be re-lubricated when the shaft/bearing

assembly is removed from the pump.

4-7. Gear Joints. Both gear joints are packed with lubricant

during assembly, and will only need to be re-lubricated when

gear joints are disassembled.

4-8. PUMP DISASSEMBLY

NOTE: The following instructions cover ONE procedure for

disassembling all pumpcomponents. Major pumpcomponents

can be disassembled invarious wayssincespecific installation

location limitations will determine method of component

removal. Reference section 4-51: Table 4-1 G2 Parts List and

section 4-52: G2 Exploded View.

4-9. Disconnect Pump

1.Flush the pump (preferably with clean water) to remove the

pumpage from the unit.

2.Shut off pump.

3.Close suction (if any) and discharge valves.

4.Turn off flush water to packing or mechanical seal, if used.

5.Disconnect power source.

6.Drain any fluid in pump by removing the drain plug (34)from

the suction housing (35) or inspection plate (if installed).

4-10. Packing Removal

1.Shut off pump.

2.Complete Section 4-9, Steps 3 – 6.

3.Remove gland adjustment nuts (47), gland studs (6), and

gland halves (28) from stuffing box.

4. Remove packing rings (62). Using flexible packing extractors

(See Figure 4-2.) best does this. Use two extractors

simultaneously on opposite sides of each ring. Pull evenly.

5.Remove lantern rings (7) in similar fashion. Twist split rings

to remove from shaft (38).

6.Remove additional packing rings.

4-11. Stator Removal

1.Complete Section 4-9.

2.Remove section of discharge pipe attached to discharge

flange (8).

4.Remove top half of stator support (13).

5.Unbolt stator clamp ring (9) from suction housing (35). Pull

statoroff rotor (seemethodsbelow).Remove stator gasket(4).

Use a screwdriver tip to carefully remove stator retaining ring

(39) (See Figure 4-3.). Remove stator clamp ring (9) from

stator (11).

Figure 4.3. Typical Retaining Ring Removal

NOTE: On multiple stage pumps, or when cleaning, checking or

changing stator (11), rotor (14), and/or gear joint assembly, one

of the following procedures issuggested for removing the stator.

Method 1: Utilize Moyno’s Hydraulic Stator Removal Device

(SRD). See separate SRD service manual or contact the local

Moyno distributor for further information on this new product.

Method2:Usewinch-typedeviceanchoreddirectlyoppositestator

end.Attach cable todischargeflange (8) topullstator (11) offrotor

(14).

Method 3: Remove stator (11), rotor (14), connecting rod (36),

and intermediate shaft (38) as a single unit (See Section 4-12).

Stator can than be taken off the rotor in a more convenient

location. Place the stator (11) in an upright position on the

discharge flange (8). Remove rotor (14), connecting rod (36),

and intermediate shaft (38) from the stator (11). It may be

necessary to use a chain or sling with a lifting device. Anchor

discharge flange (8) securely to the floor before lifting.

If sufficient space is not available to remove the entire drive

assembly (Rotor/Stator, conrod and intermediate shaft), pull the

drive train through the suction housing(35)far enoughtoexpose

the front gear joint. Disassemble the gearjoint at this time, per

section 4-13, and remove the rotor and stator together. If

additional clearance is needed to access the head ring screws

(50), slide adapter flange over the gear joint, or pull stator back

a few inches.

Method 4: Hold stator (11) with pipe or strap wrench and turn

drive shaft (37) slowlyin theclockwisedirectiontounscrewstator

(11) from rotor (14).

6. Remove discharge flange (8) by unbolting from stator clamp

ring (9) and remove stator gasket (4). Remove stator retaining ring

(39) and stator clamp ring from stator (11).

7. Check rotor (14) and stator (11) for wear (See Sections4-25

and 4-26 for instructions).

4-12. Drive Train Removal

1. Complete Section 4-9 and 4-10.

2. Remove shaft collar screw (49) from the shaft collar (33)

located between the suction housing and bearing housing. Push

drive pin (19) out from the intermediate shaft (38) with punch.

3. Pull the rotor, stator, connecting rod, and intermediate shaft

assembly through the suction housing (35). Adapter flange (27)

and O-Ring (3) will move with the assembly.

4. If sufficient space is not available to remove the entire drive

assembly, pull the drive train through the suction housing far

enough to expose the front gear joint. Disassemble the gearjoint

at this time per section 4-13.

4-13. Rotor, Connecting Rod, and Intermediate Shaft

Removal

1. Complete Sections 4-9, 4-11, and 4-12.

2. Pull the rotor/connecting rod/ and intermediate shaft

assembly from the pump. Remove the vent plug (45) and set

screw (41) from the gear joint shell (31).

3. Remove six socket head screws (50) from head ring (25)

and remove head ring and O-ring (1). Slide connecting rod/gear

joint assembly off rotor head. Remove gear joint keys (5) and

primary thrust plate (23) from rotor (14).

4. Slide gear joint shell (31) off gear ball/connecting rod

assembly. Slide ring gear (10) off gear ball (12).

5. Clamp connecting rod (36) in vice and hold with pipewrench

and remove lock nut (48). Remove gear ball (12), secondary

thrust plate (24), seal support (26), and gear joint seal (29) from

connecting rod.

6. Remove intermediate drive shaft (38) from the connecting

rod (36) by disassembling the back gearjoint in a similar fashion

as removing the rotor (14) from the connecting rod.

NOTE: It is recommended that eachtime the rotor/intermediate

shaft and gear joint is disassembled, theO-ring (1)and gearjoint

seal (29) should be replaced.

4-14. Drive Shaft and Bearings Removal

1. Complete Sections 4-9 through 4-13.

2. Disassemble bearing housing (34) from the suctionhousing

(35). Pull back the clamp ring (15) by loosening Hex screw (54)

from the bearing housing. Remove bearing housing from the

pump base through the base bolts. Slide the bearing housing

assemblybackwardsuntilstuffing box portionisdisengagedfrom

the suction housing.

3. Relocate bearing housing assemblyin aplace thatis easyto

work on. Remove six hex head screws (52) from bearing cover

plate (30). Slide bearing cover plate with radial grease seal (18)

and O-ring (2) off drive shaft (37).

4. Pull drive shaft/bearing assembly out of bearing housing

(34), taking steps to support the weight of the assembly as the

bearings clear the housing. Remove grease seal (17) from the

bearing housing.

NOTE: Some pumps may have an optional sleeve installed on

the drive shaft to receive any possible wear caused by the

packing.

CAUTION: The bearings are pressed on the shaft during

assembly. Care must be taken during disassembly to avoid

damaging the bearings or shaft.

5. Remove lock nut set screw (42) from the bearing nut (21).

Using suitable spanner wrench, or soft punch and hammer,

thread lock nut off drive shaft (37). Do not use a pipe wrench to

remove the lock nut.

6. Remove both halves of bearing spacer (22) from shaft (37),

and using suitable bearing press and adapters, press bearings

(20) off shaft.

4-15. G3 BRIDGE BREAKER DISASSEMBLY

NOTE: The following instructions cover ONE procedure for

disassembling all Bridge Breaker components. Major

components can be disassembled in various ways since

specific installationlocation limitationswilldetermine methodof

component removal. Reference section 4-53: Table 4-2 G3

Parts List and section 4-54: G3 Exploded View in addition

to the G2 parts. The only part shown on both parts list is the

suction housing, which is different on the G3 verses the G2.

See item 13 on table 4-2 for the G3 suction housing and item

35 on table 4-1 for the G2 suction housing.

4-16. G3 Paddle Removal

1. Reference table 4-2. Remove socket screws (28) from the

paddle end shaft (12), paddle intermediate shaft (9), and

paddle drive shaft (10). You may need to rotate shafts to

access the screws. Take off the coupling half to each shaft,

and pull paddles straight up.

2. In two metersuction housinglengths,there is anadditional

hanger bracket which will also need to be removed before

taking the paddles out. To remove the bracket for each paddle,

loosen hex screws (75).

Note: The interior of the suction housing can now be

accessed to help in servicing the pump drive train parts.

No further disassembly of the bridge breaker is required in

servicing the pump portion. See section 4-8 through 4-14

to disassemble the G3 pump portion. The next sections (4-

17 and 4-18) are for further disassembly of the bridge

breaker drive train.

4-17. G3 Bearing Side Removal

1. Remove shaft guard (18) by loosening hex nut (25).

2. Remove packing hex nut (26) and take off packing gland

halfs (8) for each shaft.

3. Unlock the bearings (4) from the paddle endshaft (12) by

loosening the set screw on each bearing.

4. Remove bearing retainer hex screws (32) and slide

bearing retainer (11) off the drive shafts. Dowel pins (27) are

used to align the bearing retainer with the extension block.

Remove the snap ring retainers (20) from the bearing retainer,

and pull bearings (4) out of their bore.

5. Remove extension block (6) from the suction housing

(13). Pull out spring dowels (27) that align the extension block

to the suction housing and align the extension block to the

bearing retainer (11).

6. Pull out the paddle end shafts (9) from the inside of the

suction housing (13). From the stuffing box bores on the

suction housing (13) pull out the packing rings (1). Unthread

packing gland studs (22) from the suction housingand remove.

4-18. G3 Drive Side Removal

1. Remove shaft guard (19) by loosening hex nut (25).

2. Remove packing hex nut (26) and take off packing gland

halfs (8) for each shaft.

3. Support gearmotor (39)forremoval. Loosen thehexbolts

(35) on the drive adapter (15) Slide the female hollow shaft

gearmotor off the male Paddle Drive Shaft (10).

4. Loosen Hex screws (31) and remove the gear case cover

(17) and gear case gasket (7) by sliding them off the paddle

drive shaft (10). Remove grease seal (21) from the gear case

cover. Loosen hex screws (33) and remove drive adapter (15)

from the gear case cover.

Note: Certain models may use a belt and pulley

arrangement with a shaft output gearmotor instead of a

hollow shaft gearmotor. On these models, an adapter

flange is substituted for the drive adapter (15). A pulley

would be installed on the paddle drive shaft (10) instead

of the hollow shaft gearmotor.

5. Remove gears (5) by sliding each gear off the paddle drive

shaft (10) and off the paddle intermediate shaft (9). Remove

key (23 and 24) from their respective paddle shafts.

6. Unlock the bearings (4) from the paddle end shaft (12) by

loosening the set screw on each bearing.

7. Support gearcase (16)forremoval. Removehex screw(30)

which attaches the bottom of the gearcase to the suction

housing (13) supportbracket.Unscrewsocketscrews(29) and

pull gearcase back away from the extension block (6) and

suction housing (13). Dowel pins (27) are used to align the

gearcase with the extension block (6). Remove seal washer

(38) from the gearcase.

8. Remove the snap ring retainers (20) from the gearcase

(16), and pull the bearings out of the gearcase (16) bore.

Remove grease seals (21) from the gearcase (16).

9. Remove extension block (6) from the suction housing (13).

Pull out spring dowels (27) that align the extensionblock tothe

suction housing and align the extension block to the gearcase

(16).

10.Pull out the paddle drive shafts (10) and the paddle

intermediate shaft (9) from the inside of the suction housing

(13). From the stuffing box bores on the suction housing (13)

pull out the packing rings (1). Unthread packing gland studs

(22) from the suction housing and remove.

4-19. CLEANING

Clean all parts in a suitable cleaning solvent being careful to

observe all safety precautions regarding the use of solvent.

4-20. INSPECTION

4-21. Bearings. After cleaning, rotate bearings very slowly

under hand pressure to feel for smoothness and even action.

Never spin a dry bearing. Check for cracks, galling, pitting,

burrs, etc. Replace bearing if there is any doubt concerning

complete serviceability.

4-22. Drive Shaft. Inspect drive shaft (37) and intermediate

drive shaft (38) for scoring, burrs, cracks, etc. Replace as

necessary. For G3 models also inspect paddle driveshaft(10)

and paddle intermediate drive shaft (9) for scoring, burrs,

cracks, etc. Replace as necessary.

4-23. Seals. It is sound practice to always replace grease

seals (17 and 18) whenever drive shaft and tapered roller

bearings are removed. Apply Locktite 690 to outside diameter

of both grease seals. For G3 models, replace the greaseseals

(21) whenever disassembling the bridge breaker bearings.

4-24. Packing. It is sound practice to always replace packing

(62) whenever the pump bearing housing is disassembled. For

G3 models, replace the packing (1) whenever disassembling the

bridge breaker bearings.

4-25. Rotor

1. To check for excessive wear of rotor (40), measure the

rotor crest-to-crest diameter (See Figure 4-4) and compare with

the following chart:

Rotor

Capacity Standard

*Crest to Crest Dia. (inches)

008 2.772 + .000/—.004

012 2.676 + .000/—.004

022 3.425 + .000/—.004

036 4.015 + .000/—.004

050 4.015 + .000/—.004

065 4.906 + .000/—.004

090 4.906 + .000/—004

115 5.709 + .000/—.004

175 6.584 + .000/—.004

335 5.800 + .000/—.005

345 7.260 + .000/—.004

620 7.128 + .000/—.005

800 7.658 + .000/— .004

* These dimensions are applicable for AAA trim codes only.

NOTE: The rotor is designated by the third, fourth and fifth

numbers in the Model Number, i.e., 2G012G2.

Figure 4-4. Measuring Rotor Dimension

2. If the measured crest-to-crest diameter is within 0.010 inch

of the standard value and is free of deep nicks, gouges, or other

surface defects, the rotor is re-usable.

3. Rotors with crest-to-crest values 0.011 to 0.050 inch under

the standard values should be replaced. These rotors can be

Autres manuels pour 2000

Table des matières

Autres manuels moyno Pompe à eau

moyno

moyno 2000 Manuel utilisateur

moyno

moyno WA series Manuel utilisateur

moyno

moyno 2000 CC Manuel utilisateur

moyno

moyno 300 Series Manuel utilisateur

moyno

moyno G2 Manuel utilisateur

moyno

moyno 35650 Manuel utilisateur

moyno

moyno A4015A Manuel utilisateur

moyno

moyno 1000 Manuel utilisateur

moyno

moyno 500 Manuel utilisateur

moyno

moyno 331 Manuel utilisateur

moyno

moyno 20352 Manuel utilisateur

moyno

moyno 20352 Manuel utilisateur

moyno

moyno 2000 CC Manuel utilisateur

moyno

moyno 60301 Manuel utilisateur

moyno

moyno 30102 Manuel utilisateur

moyno

moyno 331 Manuel utilisateur

moyno

moyno 500 Manuel utilisateur

Manuels Pompe à eau populaires d'autres marques

Neptun

Neptun NPHW 5500 Manuel utilisateur

Sensidyne

Sensidyne Gilian BDX-II Instructions d'installation et d'utilisation

Draper

Draper 47808 Manuel utilisateur

Trolla

Trolla 12820 Manuel utilisateur

Sunfab

Sunfab SVH Series Manuel utilisateur

WilTec

WilTec 50740 Manuel utilisateur

Fieldmann

Fieldmann FVC 5015 EK Manuel utilisateur

Everbilt

Everbilt EFSUB5-122HD Manuel utilisateur

Graco

Graco Husky 3300e Manuel utilisateur

esotec

esotec 101018 Manuel utilisateur

Becker

Becker BASIC VASF 2.80/1-0.AC230 Manuel utilisateur

Sykes AmeriPumps

Sykes AmeriPumps GP100M Guide de dépannage

DUROMAX

DUROMAX XP WX Series Manuel utilisateur

BRINKMANN PUMPS

BRINKMANN PUMPS SBF550 Manuel utilisateur

Franklin Electric

Franklin Electric IPS Manuel utilisateur

Xylem

Xylem e-1532 Series Manuel utilisateur

Milton Roy

Milton Roy PRIMEROYAL Manuel utilisateur

STA-RITE

STA-RITE ST33APP Manuel utilisateur