MBH SP-7 Manuel de programmation

SELF PRIMING

MUD PUMP

Instruction, Installation, Operation

and Maintenance Manual

A Mark of Quality

ISO 9001

Certied Company

2 3

1. INTRODUCTION

MBH SP type pumps are centrifugal pumps with an added feature of self priming

mechanism. The pump casing is to be lled initially with the pumping liquid after its

installation. The design of SP type pump allows pumping out certain amount of mud,

dirt and suspended solids. These pumps are suitable for handling water and non-

Corrossive liquids ambient temperature.

Pumps when properly installed and given proper care in operation and maintenance

should operate satisfactorily for a long period.

When pump is revived some time before actual use of pump, it should be inspected

out-side in a dry place. The shaft should be rotated freely before use.

2. PRINCIPAL OF OPERATION

The self priming action of the pump works on diffusion principal. Initially the complete

pump casing is lled with the pumping liquid which is retained by its ap valve assembly.

When the pump starts, due to centrifugal action, ap assembly opens and the air from

suction branch mixes with liquid. The mixture of air and liquid which is transferred into

large casing outside the pumping chamber and air escaped through delivery branch.

De-aired liquid again diffuses with the impeller and carries off more air from suction

branch. No sooner all the air is eliminated, diffusion of the liquid stops and the pump

works as a centrifugal pump with its full efciency.

3. OPERATION & MAINTENANCE

3.1. OPERATION PROCEDURE

Install pumpset on foundation. Operate the pump as per following instructions.

(i) Fill the pump casing with clear water/pumping liquid through the priming plug

provided on top of the body. Close the plug after lling.

(ii) Turn the lantern ring grease cup 2 to 3 turns. This should be carried out as per need.

(iii) Do not run the pump dry.

(iv) If the pump is idle for some time due to dirt/dust collected, the impeller sticks. Give

jerk at the free end of the shaft to ensure free rotation.

(v) If the pump is used to handle water containing solids and silt, it is necessary to

wash out the same with clean water, before restarting. Restarting of pump should

be done after lling clean water.

(vi) The bearings should be lubricated regularly.

3.2 WARNING:

(i) When dirty water is handled by the pump of diesel engine set the same water should

not be used for engine cooling. In such a case radiator cooling is recommended

or use air cooled diesel engine.

(ii) Use correct grade grease in grease cups. Servo Gem-2 (Indian Oil Make) or

equivalent is recommended.

3.3 MAINTENANCE TIME TABLE :

(1) DAILY CHECK (2) PERIODICAL

(I) Priming Time (i) Pressure gauge reading

(ii) All pipe connections (ii) Bearing Temperature

(ii) Suction strainer (if any) (iii) Leak through stufng box

(iv) Noise and vibration

(v) Voltage and current.

Open the pump, check and clean interior parts.

(i) Remove impeller, replace of vanes are worn seriously.

(ii) Replace shaft sleeve if worn out.

(iii) Replace gland packing of worn out.

(iv) Replace worn out parts.

(v) Replace wear plates of worn out.

3.4 PUMP MAINTENANCE PROCEDURE

(A) Dismantling Procedure

a) Remove the suction and the Delivery Pipe connection. Drain the pump Remove

the grease Cups. Pipe Nipples etc. Separate the Pump from Engine/Motor and

Base Plate.

b) Remove Suction Flange and Delivery Flange. Remove Suction Cover with Flap

Valve assembly from Delivery Casing.

c) Dismantle the Driving Unit (i.e. Assemble of Stufng Box Housing, Bearing Housing,

Shaft, Ball Bearing, Impeller etc.) by loosening the nuts from Delivery Casing.

d) Loosen Impeller Nut, Tighten the release bolts in the tapping of Impeller, and take

out the impeller. Ensure removal without damage to vanes.

e) Loosen the Gland and remove Stufng Box, Packing Lantern Rings and washer for

Stufng Box Packing.

f) Take out the pump Coupling by unscrewing the Grub Screw, Remove Coupling

Key, Bearing Nut and Driving End Bearing Cover.

g) Remove Shaft Sleeve, Pull the Shaft by using Press or Puller. Bearing should not

be removed by hammering.

h) Remove N.D.E. Wearing Plate from Delivery Casing by loosening Countersunk

Head Screw. Remove D. E. Side Wearing Plate from Stufng Box Housing by

loosening Countersunk Head Screw on applicable models.

i) After dismantling all the parts, it is necessary to clean and inspect them. The following

parts are to be checked for wear and damage and are to be replaced, if necessary.

• Impeller • Pump Shaft • Ball Bearing • Gland • Lantern Rings

• Water Deector • Wearing Plates • Stufng Box Packing • Rubber Flap

• Keys • Shaft Sleeve • Flat Gasket for Shaft Sleeve

4 5

(B) Reassembly Procedure :

a) Apply a thin layer of grease to all surfaces which have to be air tight.

b) Clean Recirculating Port in Delivery Casing.

c) Complete the Flap - Valve Assembly. If it is dismantled with Suction Cover and

wearing plates.

d) Mount Bearings on the Shaft so that Bearing rest against the steps provided on

the Shaft. Apply grease between the two faces of the Bearings. Ball Bearings should

be press-tted. If it is not possible then hammer gradually the inner race of the Ball

Bearings by putting suitable spacer on it.

e) Insert the Shaft into the Bearing Housing from driving end.

f) Insert the Bearing Cover, (Bearing Cap, Water Deector, Gland and Washer for

stufng Box Packing) on the Shaft from Non driving End Side Applicable models.

g) Fit sub-assembly of stufng Box Housing on Bearing Housing as applicable.

h) Put Flat Gasket for Shaft Sleeve on the Shaft Sleeve Slot / Keyway Matches with

Shaft - Keyway.

i) Fit the Bearing Cover D. E. to the Bearing Housing (as per the Model)

j) Insert the Impeller Key into the Shaft and Shaft Sleeve and mount the Impeller on

the Shaft. Lock it by Impeller Nut along with its washer. Tighten the Bearing Nut on

the Shaft. Check clearance between Impeller and Wearing Plate D.E. it should be

0.15 to 0.60mm

k) Fit the Driving Unit (i.e. assembly of Stufng Box Housing, Bearing Housing, Bearing

Shaft, Impeller etc.) to the delivery Casing and tighten it with the help of Nuts. The

clearance between impeller and wearing Plate N.D.E. should be 0.25 to 0.35mm.

This should be adjusted by inserting required thickness of paper packing, between

stufng Box Housing and Delivery Casing. After tting the Driving Unit, see that

impeller rotates freely.

l) Insert two Stufng Box Packings, Lantern Ring duly lled with grease and again two

Stufng Box Packings. The joints of the Stufng Box Packings should be 180 to

each other. Tighten the Gland by nuts.

m) Insert Coupling Key on the Shaft and mount the Pump Couplings on the Shaft and

tighten it by Grub Screw.

n) Fix up grease Cups for Bearing D.E., N.D.E. and Stufng Box.

o) Tighten Sub-assembly of Suction Cover and Flap Valve with Delivery Casing and

then tighten the Delivery Flange and Suction Flange. Tighten this to Delivery Casing

with its washer.

3.5 COUPLING DETAILS FOR BARE SHAFT PUMPS FOR MOTOR DRIVE LOVE

JOY MAKE.

Sr.

No. Pump

Recommended

Motor Rating

(H.P./ Kw)

Recommended Coupling Model

Loverjoy / Equivalent)

I MBH SP-7 1 / 0.75 2900 RPM L - 095

II MBH SP-9 2 / 1.50 2900 RPM L - 095

III MBH SP-11 3 / 2.20 2900 RPM L - 095

IV MBH SP-16 5 / 3.70 1450 RPM L - 100

V MBH SP-23 10 / 7.50 1450 RPM L - 100

4.0 GLAND PACKING CHART

Sr.

No.

Pump

Type

No of

Packings

Size in MM

(Height x

Width)

Length of

Packing /

Set (MM)

Material

I MBH SP-7 4 8 x 8 116.5 Graphited Cotton

II MBH SP-9 4 8 x 8 116.5 --- Do --

III MBH SP-11 4 9 x 9 143.0 --- Do --

IV MBH SP-16 4 8 x 8 157.0 --- Do --

V MBH SP-23 4 8 x 8 157.0 --- Do --

4.1 BEARING DETAILS

Sr.

No.

Pump

Type

Bearing at Driving

End (SKF / Equivalent)

Bearing at Non Driving

End (SKF / Equivalent)

I MBH SP-7 6305 6205

II MBH SP-9 6305 6205

III MBH SP-11 6305 6205

IV MBH SP-16 6306 6206

V MBH SP-23 6306 6206

4.2 TYPE OF IMPELLER AND WEARING PLATE DETAILS

Sr.

No.

Pump Model

Bare Shaft /

Mono Version

Type of

Impeller

Wearing Plate

Details Non

Driving End

Wearing Plate

Details Non

Driving End

I MBH SP-7 SEMI-OPEN No No

II MBH SP-9 SEMI OPEN Yes No

III MBH SP-11 SEMI OPEN Yes No

IV MBH SP-16 SEMI OPEN No No

V MBH SP-23 OPEN Yes Yes

4.3 WATER FILLING CAPACITY

Sr.

No. Pump Type Water Filling

Capacity (Liters)

I MBH SP-7 5.1

II MBH SP-9 6.1

III MBH SP-11 10.0

IV MBH SP-16 14.0

V MBH SP-23 37.2

Self Priming Mud Pump Self Priming Mud Pump

TROUBLE SHOOTING CHART

6 7

Sr.

No. Defects Causes Remedy

1. Priming

takes

long time

1) Insufcient quantity of

water / water not lled in

pump casing

2) Suction Pipe and Strainer

(if any) clogged partially

or fully

3) Pump Speed too low

4) Suction Lift too high

5) Leakage in Suction Pipe.

6) Too warm liquid in pump

Casing

7) More clearance between

Impeller & Wearing plate

N.D.E.

8) Shaft Sleeve & Gland

Packing worn and air leaks

9) Recirculating ports in

Delivery Casing clogged

partially or fully

1) Fill up pump casing with

clear water or liquid be

pumped

2) Clean Suction branch

3) Check up speed of prime

mover and adjust

4) Reduce Suction Lift

5) Prevent leakage in

Suction Pipe

6) Replace liquid by cold liquid

7) Measure the clearance and

adjust by using proper

packing

8) Replace Shaft Sleeve and

Gland Packing with Sleeve

Gasket

9) Clean recirculating ports of

Delivery Casing

2. Water

Delivery

inadequate

1) Speed too low.

2) Leakage in Suction side

tting and piping

3) Discharge Head to high

4) Pump Casing empty

5) Rubber Flap Valve cogged

6) Shaft Sleeve / Gland

Packing worn and air leaks

7) More clearance between

Impeller and wearing Plate

8) Suction Lift too high or

Suction Pipe too long

1) Check the speed of prime

mover and adjust

2) Prevent leakage in suction

pipe and tting

3) Check up vertical head and

frictional losses

4) Fill up the pump casing

5) Check up rubber Flap

assembly & leakage from

pump casing

6) Replace the Shaft Sleeve/

Gland Packing.

7) Measure the clearance and

adjust by using Proper

packing

8) Avoid High Suction lift and

Suction Piping

TROUBLE SHOOTING CHART

Sr.

No. Defects Causes Remedy

3. Pump

Consumes

power

1) Speed too high

2) Head less than specied

range

3) Shaft bent

4) Misalignment of the set

1) Check and correct the speed.

2) Provide minimum specied

head

3) Check and replace the shaft

4) Correct the alignment

between pump and prime

mover

4. Low

Pressure

1) Prime mover running below

rated speed

2) Leakage through Gland

Packing

3) Too much clearance between

Impeller and wearing Plate

1) Check the Speed of prime

mover and correct it

2) Replace Gland Packing

3) Measure the clearance and

adjust by using proper

packings

5. Pump

Vibrates

and

makes

noise

1) Pump Casing not lled with

water / liquid (it is possible

only priming time)

2) Suction Lift too high

3) Misalignment

4) Foundation not rigid

5) Shaft Bent

6) Bearing worn out

7) Lack of Lubrication

8) Pump operates at very

low capacity

1) Fill up the pump Casing

2) Reduce the Suction lift

3) Correct the alignment

between pump and Prime

mover

4) Provide rigid foundation,

tighten the bolts

5) Replace the shaft

6) Check and replace Bearing

7) Lubricate the Bearing

properly

8) Reduce Total Head

6. Shorter

Bearing

life

1) Misalignment

2) Shaft Bent

3) Excessive Grease or

inadequate grease

4) Dirty water getting into

bearings

1) Correct the alignment of

Pump and Prime Movers

2) Check the Shaft condition

and replace, if necessary

3) Check up lubrication

4) Protect bearing neatly

replace water deector

Self Priming Mud Pump Self Priming Mud Pump

No. DESCRIPTION No. DESCRIPTION

1 PUMP BODY 20 FLANGE-DELIVERY SIDE

2 IMPELLER (C.I.) 21 FLANGE-SUCTION SIDE

3 WEARING PLATE 22 KEY FOR IMPELLER

4 PUMP SHAFT 23 KEY FOR COUPLING

5 BEARING HOUSING 24 IMPELLER NUT

6 STUFFING HOUSING 25 WASHER FOR IMPELLER NUT

7 GLAND BUSH 26 BEARING LOCK NUT

8GLAND PACKING SET 27 DRAIN PLUG

9 SHAFT SLEEVE (S.S.) 28 DRAIN PLUG WASHER

10 WASHER FOR STUFFING BOX

PACKING 29 WATER PLUG

(PRIMING HOLE)

11 LANTERN RING 30 GREASE CUP

12 WATER DEFLECTOR 31 COUNTER SUNK SCREW

FOR WEAR PLATE

13 SUCTION HOUSING 33 PACKING FOR BEARING

HOUSING (PAPER)

14 FLAP VALVE (RUBBER) 34 RUBBER PACKING FOR

DEL.+SUC. FLANGE

15 WEIGHT FOR FLAP VALVE 35 NUT, BOLT & WASHER FOR FLAP

VALVE

16 GASKET (SHIM-BRASS) 36 T-BOLT WITH NUT FOR

GLAND-BUSH

17 INSP. WINDOW COVER 37 BEARING AT DRIVE END

18 BEARING COVER COUPLING SIDE 38 BEARING AT NON-DRIVE END

19 BEARING COVER (NON-DRIVE END)

8 9

No. DESCRIPTION No. DESCRIPTION

1 PUMP BODY 20 FLANGE-DELIVERY SIDE

2 IMPELLER (C.I.) 21 FLANGE-SUCTION SIDE

4 PUMP SHAFT 22 KEY FOR IMPELLER

5 BEARING HOUSING 23 KEY FOR COUPLING

7 GLAND BUSH 24 25IMPELLER NUT

8GLAND PACKING SET 25 WASHER FOR IMPELLER NUT

11 LANTERN RING 30 GREASE CUP

12 WATER DEFLECTOR 32 PACKING FOR BEARING

HOUSING (PAPER)

15 WEIGHT FOR FLAP VALVE 33 RUBBER PACKING FOR

DEL+SUC. FLANGE

16 GASKET (SHIM-BRASS) 34 NUT, BOLT & WASHER FOR

FLAP VALVE

17 INSR WINDOW COVER 35 T-BOLT WITH NUT FOR

GLAND-BUSH

18 BEARING COVER COUPLING SIDE 36 BEARING AT DRIVE END

19 BEARING COVER (NON-DRIVE END) 37 BEARING AT NON-DRIVE END

CROSS SECTION DRAWING CROSS SECTION DRAWING

Self Priming Mud Pump Self Priming Mud Pump

MODEL :

MBH SP-9

MBH SP-11

MBH SP-16

MODEL :

MBH SP-7

SELF PRIMING MUD PUMP

The pump is warranty against defects in material and

workmanship under normal use and service for the period of 15

months from the date of purchase or 12 months from the date

of commissioning, whichever is less.

The General terms and conditions for above guarantee are :

1. This warranty is valid only if the pump is operated strictly as

per the Instructions given in the user guide attached herewith.

2. Our obligation shall be limited to rectifying; repairing or

replacing defective items, ex-works/service station/Authorized

Service Center, provided the purchaser has given immediate

written notice. The equipment for repairs should be returned

to us duly packed, on prepaid freight basis.

Model : Pump Sr. No.

Customer Name :

Address :

Date of Purchase / Bill No.:

Dealers Name :

Signature : Date :

14, G.I.D.C. Naroda Indl. Estate, Ahmedabad-382 330, India.

Phone : 079-2282 3066 / 2282 1018

E-mail : [email protected]

[email protected]

Website : www.mbhpumps.com

10 11

WARRANTY

No. DESCRIPTION No. DESCRIPTION

1 PUMP BODY 20 FLANGE-DELIVERY SIDE

2 IMPELLER (C.I.) 21 FLANGE-SUCTION SIDE

3 WEARING PLATE 22 KEY FOR IMPELLER

4 PUMP SHAFT 23 KEY FOR COUPLING

5 BEARING HOUSING 24 IMPELLER NUT

6 STUFFING HOUSING 25 WASHER FOR IMPELLER NUT

7 GLAND BUSH 26 BEARING LOCK NUT

8GLAND PACKING SET 27 DRAIN PLUG

9 SHAFT SLEEVE (S.S.) 28 DRAIN PLUG WASHER

10 WASHER FOR STUFFING

BOX PACKING 29 WATER PLUG

(PRIMING HOLE)

11 LANTERN RING 30 GREASE CUP

12 WATER DEFLECTOR 31 COUNTER SUNK SCREW

FOR WEAR PLATE

13 SUCTION HOUSING 33 PACKING FOR BEARING HOUS-

ING (PAPER)

14 FLAP VALVE (RUBBER) 34 RUBBER PACKING FOR

DEL.+SUC. FLANGE

15 WEIGHT FOR FLAP VALVE 35 NUT, BOLT & WASHER

FOR FLAP VALVE

16 GASKET (SHIM-BRASS) 36 T-BOLT WITH NUT FOR

GLAND-BUSH

17 INSP. WINDOW COVER 37 BEARING AT DRIVE END

18 BEARING COVER COUPLING SIDE 38 BEARING AT NON-DRIVE END

19 BEARING COVER (NON-DRIVE END)

CROSS SECTION DRAWING

Self Priming Mud Pump Self Priming Mud Pump

MODEL :

MBH SP-23

14, G.I.D.C. Naroda Indl. Estate, Ahmedabad-382 330, India.

Phone : 079-2282 3066 / 2282 1018

E-mail : [email protected]

[email protected]

Website : www.mbhpumps.com

12/2016

ISO 9001

Certied Company

This is the property of

OTHER PRODUCTS

A Mark of Quality

POLDER

PUMP

HORIZONTAL

SPLIT CASING PUMP

SUBMERSIBLE

SEWAGE PUMP

CENTRIFUGAL

BACKPULL OUT PUMP

PORTABLE

SUBMERSIBLE PUMP

DEWATERING

PUMP

SUBMERGED

CENTRIFUGAL PUMP

Specifications and performance are subject to change without prior notice.

Ce manuel convient aux modèles suivants

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