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Genpar BMP-50 Owner's Manual

BMP-100 BMP-80

Made by: Genpar
Type: Owner's Manual
Category: Water Pump
Pages: 11
Size: 0.56 MB

 

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Owner’s Manual 

Water Pump 

BMP-50/80/100 

 

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 


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SAFETY ALERT & HAZARD SYMBOLS 

 

SAFETY ALERT & HAZARD SYMBOLS 

NOTE 

Before using this equipment, ensure that the operator has read and fully 

understands all instructions in this manual. 

 

SAFETY ALERT SYMBOLS 

The following safety alert symbols will inform you about potential hazards that could injure 

you or others. They represent the level of exposure to the operator, and are preceded by 

one of three words: DANGERWARNING, or CAUTION

 

 

DANGER: You WILL be KILLED or SERIOUSLY injured if you DO 

NOT follow directions. 

 

 

WARNING: You CAN be KILLED or SERIOUSLY injured if you DO 

NOT follow directions. 

 

 

CAUTION: You CAN be injured if you DO NOT follow directions. 

 

HAZARD SYMBOLS 

 

 

Engine exhaust fumes contain poisonous carbon monoxide. This 

fume is colorless and odorless, and can cause death if inhaled. 

NEVER operate this equipment in a confined area or enclosed 

structure that does not provide ample free flow air. 

 

 

Explosive Fuel 

 

Gasoline is extremely flammable, and its vapors can cause an 

explosion if ignited. DO NOT start the engine near spilled fuel or 

combustible fluids. DO NOT fill the fuel tank while the engine is 

running or hot. DO NOT overfill tank, since spilled fuel could ignite if it 

comes into contact with hot engine parts or sparks from the ignition 

system. Store fuel in approved containers, in well ventilated areas and 

away from sparks and flames. NEVER use fuel as a cleaning agent. 

 

 

Burn Hazards 

 


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Engine components can generate extreme heat. To prevent burns, 

DO NOT touch these areas while the engine is running or 

immediately after operations. NEVER operate the engine with heat 

shields or heat guards removed. 

 

Rotating Parts 

 

NEVER operate equipment with covers, or guards removed. Keep 

fingers,  hands,  hair and clothing away from all moving parts to 

prevent injury. 

 

 

Accidental Starting 

 

ALWAYS place the engine ON/OFF switch in the “OFF” position 

when the equipment is not in use. 

 

 

Over Speed Conditions 

 

NEVER tamper with the factory settings of the engine governor or 

settings. Personal injury and damage to the engine or equipment can 

result if operating in speed ranges above maximum allowable. 

NOTE 

This equipment, other property, or the surrounding environment could be damaged if you 

do not follow instructions. 

 

 

Respiratory Hazard 

 

ALWAYS wear approved respiratory protection. 

 

 

Sight and Hearing Hazard 

 

Equipment Damage Messages 

Other important messages are provided throughout this manual to help prevent damage 

to your equipment, other property, or the surrounding environment. 

 

SAFETY MESSAGES 

CAUTION: 

 


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For your own personal safety and those around you, YOU MUST 

READ and ensure you FULLY UNDERSTAND the following safety 

information. It is the responsibility of the operator to ensure that 

he/she fully understands how to operate this equipment safely. In the 

event you are unsure about the safe and correct use of the water 

pump. 

The following safety guidelines should always be used when operating the water pump. 

 

CAUTION: 

 

IMPROPER maintenance or use can be hazardous. READ and 

FULLY UNDERSTAND this section before you perform any 

maintenance, service or repairs. 

•  This equipment is to be used for its intended application only. 
•  This equipment must be operated only by well-trained personnel. 
•  The owner of this equipment must observe, and train the operator of the equipment to 

observe the effective Labor Protection Regulation in the country of application. 

•  Use a suitable lifting equipment to lift the equipment. 
•  Cordon off the work area and keep members of the public and unauthorized personnel 

at a safe distance, including animals. 

• Keep FINGERS,  HANDS,  HAIR and 

CLOTHING away from moving parts. 

 

           

•  Never allow a person to act as a weight for this equipment. 
•  Personal Protective Equipment (PPE) must be worn by the operator whenever this 

equipment is being used. 

•  Make sure you know how to safely switch this equipment OFF before you switch it ON 

in case you get into difficulty. 

• Always 

switch 

OFF the engine before 

servicing it.   

 

•  During use, the engine becomes very hot. 

Allow the engine to cool before touching it.

 

•  Never leave the engine running and unattended. 
•  Never remove or tamper with any guards fitted, they are there for your protection. 

Always check guards for condition and security. If any are damaged or missing, DO 

NOT USE THE EQUIPMENT until the guard has been replaced or repaired. 

•  Do not operate the machine when you are 

ill, feeling tired, or when under the 

influence of alcohol or drugs. 

   

       

 

 

WARNING: 

 


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Fuel is highly flammable. It may cause injury, death or property 

damage.  SHUT DOWN the engine, extinguish all open flames and 

DO NOT smoke while filling the fuel tank. ALWAYS wipe up any 

spilled fuel. 

•  Before refueling, switch off the engine and allow it to cool. 

• When 

refueling, 

DO NOT smoke or allow 

naked flames in the area. 

 

•  When refueling, use proper funnel, and avoid spilling over the engine. 
•  Spilt fuel must be made safe immediately, using sand. If fuel is spilt on your clothes, 

change them. 

•  Store fuel in an approved, purpose made container away from heat and ignition 

source. 

 

PPE (Personal Protective Equipment) 

 

Suitable PPE must be worn when using this equipment i.e. Safety Goggles, Gloves, Ear 

Defenders, Dust Mask and Steel Toe capped footwear (with anti-slip soles for added 

protection). Wear clothing suitable for the work you are doing. Always protect skin from 

contact with concrete. 

 

 

FUEL 

 

Do not ingest fuel or inhale fuel vapors and avoid contact with your skin. Wash fuel 

splashes immediately. If you get fuel in your eyes, irrigate with copious amounts of water 

and seek medical attention as soon as possible. 

 

EXHAUST FUMES 

 

WARNING: 

 

The exhaust fumes produced by the engine are HIGHLY toxic and 

CAN KILL

 


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Do not operate your water pump indoors or in a confined space, make 

sure the work area is adequately ventilated. 

 

Engine 
         See instructions supplied by engine manufacturer. Be sure to initially  
         put oil in engine and check level regularly. Low speeds extend   
         engine life dramatically. We recommend for continuous pumping that  
         the pump be operated at approximately 3000r.p.m. 
 

SPECIFICATION & TECHNICAL DATA 

   

Model 

BMP-50 

BMP-80 

BMP-100 

Inlet and Outlet Diameter 

2.0" 

3.0" 

4.0" 

Flow Capacity(L/Min) 

600 

1000 

1400 

Suction Head(Meter) 

Delivery(Meter) 

26 

28 

25 

Pump Set Package Dimension(mm) 

510X390X440 

530X390X465 

650X460X530

Gross Weight of Pump Set(KG) 

26 

27.5 

47 

Engine(HP) 

5.5 

5.5 

9.0 

 
PUMP CURVE 

2'water pump

0

5

10

15

20

25

30

0

100

200

300

400

500

600

700

Flow(L/min)

To

ta

l H

e

ad

(m

)

 

3' water pump

0

5

10

15

20

25

30

0

200

400

600

800

1000

1200

Flow (L/min)

To

ta

l He

ad

(m

)

 

 


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4' water pump

0

5

10

15

20

25

30

0

200

400

600

800

1000

1200

1400

1600

Flow (L/min)

To

ta

l He

ad

(m

)

 

 
 

OPERATION  

PUMP PLACEMENT 
For best pump performance, place   
the pump close the water level   
\and use hoses that no longer   
than necessary.    That will enable   
the pump to produce the greatest   
output with the least self-priming time.   
As head (pumping height) increases,   
output decreases.    The length, type,   
and size of the suction and discharge   
hoses can also significantly affect pump 
output. 
 
Discharge head capability is always greater than suction head capability, so it 
is important for suction head to be the shorter part of total head.    Minimizing 
suction head is also very important for reducing self-priming time. 
 
SUCTION HOSE INSTALLATION 
Use the commercially available hose and hose connector with the hose clamp 
provided with the pump.     
 
Use a hose clamp to securely fasten the connector to suction hose in order to 
prevent the air leakage and loss of the suction.    Verify that the hose connector 
sealing washer is in good condition. 
 
Install the strainer on the other end of the suction hose, and secure it with a 
clamp.    The strainer will help to prevent the pump from becoming clogged or 
damaged by the debris. 
 
 
 

 


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DISCHARGE HOSE INSTALLATION 
Use a commercially available hose 
And hose connector, and clamp. 
 
It is best to use a short, large-diameter 
hose. That will reduce fluid friction and   
improve output. 
 
Tighten the hose clamp securely to   
Prevent the discharge hose from   
disconnecting under high pressure. 
 
PRIMING THE PUMP 
Remove priming plug and fill pump and suction pipe with water. Pump is 
equipped with suction flap valve and should be capable of drawing air out of 
normal size suction pipes or hoses. Replace plug and start the pump. If the 
pump pumps a little and stops, turn the pump off, check suction pipe for 
possible leaks and repeat priming procedure until the pump operates 
satisfactorily. 
 
Warning:  Operating the pump dry will damage the pump seal.    If the pump 
has been operated dry, stop the engine immediately, and allow the pump to 
cool before priming. 

 


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TYPE OF WATER 
Pumps are capable of pumping septic tank effluent, sink wastes, small 
amounts of dirt or sand, drainage or polluted water and some industrial wastes. 
They are not designed to pump large quantities of foreign matter. If fluid 
contains large or stringy material, then an adequate suction strainer should be 
used. 
 
If chemicals are to be pumped, compatibility of pump material should be 
checked with your local office. 
STAETING THE ENGINE 
Prime the pump 
1.  Move the fuel valve   
level to the on position 
 
2.  Move the choke to CLOSED position.     No need for restart a warm 

engine 

 
 
 
 
 
 
 
 
4. Move the throttle level away from SLOW position, about 1/3 of the way 
toward the FAST position 
5. Turn the ignition switch to ON position 

 


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6. Pull the starter grip lightly until resistance is felt, then pull it briskly 

 

7. When engine running, moved the choke level to CLOSE position. 
SETTING ENGINE SPEED 
After starting the engine, move the throttle level to FAST position for 
self-priming, and check pump output.    Decreasing the engine speed will low 
the pump output. 

PARTS LIST 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 


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Ref. No. 

Description 

QTY 

Ref. No.

Description 

QTY 

Base frame set 

15 

Check valve 

Engine 1 

16 

Suction flange 

Bolt  

17 

Bolt   

Bracket 1 

18 

D/F Packing 

Sealing washer 

19 

Delivery flange 

Socket bolt 

20 

Bolt   

O-ring               

21 

O-ring               

Mechanical seal asm 

22 

Plug 2 

Adjusting washer 

23 

Name plate 

10 

Impeller 1 

24 

Packing 2 

11 

Volute 1 

25 

Hose coupling 

12 

O-ring               

26 

Hose joint 

13 

Casing 1 

27 

Hose band 

14 

Bolt   

28 

Strainer 1