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Hyundai 1 inch, Owner'S Manual

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Hyundai 1 inch Owner'S Manual Download Page 17

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Operating the water pump with a low oil level will damage the engine. 

4) Check Air Filter 

A dirty air filter will restrict air flow to the carburettor, reduce engine 
performance and thereby reduce the  water pump performance. For this 
reason, it is important to check the air filter regularly.  

 

Screw off the butterfly nut and remove the air filter housing. Clean any dirt 
that is present. If damaged, it must be replaced before usage. If it is an oil bath 
air filter, check the oil capacity. 

Replace the air filter and screw the butterfly nut down. 

 

OIL DIPSTICK 

OIL FILLER HOLE 

LOWER OIL LEVEL MARK 

UPPER OIL LEVEL MARK 

Summary of Contents for 1 inch

Page 1: ......

Page 2: ...P a g e 2...

Page 3: ...users This owner s manual contains instructions for the 1 1 5 2 3 and 4 water pumps It is extremely important that these instructions are read thoroughly before operating the water pump in order to o...

Page 4: ...cation 7 3 Control System 13 4 Pre Operation Inspection 15 5 Operation 19 6 Starting the Engine 23 7 Stopping the Engine 25 8 Maintenance 27 9 Storage 31 10 Troubleshooting 32 11 Electric Diagram 34 1...

Page 5: ...es The safety of yourself and others is extremely important to us For this reason we have provided important safety messages in this manual as well as on the water pump and engine Please read these sa...

Page 6: ...touch the muffler or store the water pump until it has fully cooled down Due to petrol being extremely flammable do not smoke in the refuelling and fuel storage area When filling the water pump with...

Page 7: ...P a g e 7 2 COMPONENT IDENTIFICATION 1 Clean Water Pump...

Page 8: ...P a g e 8 1 5 Clean Water Pump...

Page 9: ...P a g e 9 2 3 4 Clean Water Pump...

Page 10: ...P a g e 10 Chemical Pump...

Page 11: ...P a g e 11 High Pressure Pump This diagram shows the 2 high pressure pump...

Page 12: ...P a g e 12 Trash Pump...

Page 13: ...er allows the fuel to flow from the fuel tank to the carburettor Set the fuel level to the OPEN position When the water pump is not in operation please ensure the fuel lever is set back into the CLOSE...

Page 14: ...old starting or the OPEN or RUN position for normal operation or starting when the engine is warm 4 Throttle Lever Adjust the throttle lever to change the speed of the engine which will change the flo...

Page 15: ...by the appropriate person before you operate the pump Failure to maintain this pump or deal with any problems that arise before operation could cause a malfunction in which you could be seriously inj...

Page 16: ...e suction hose must be of a reinforced construction to prevent the hose from collapsing Check that the sealing washer in the suction hose connector is in good condition If there are any leaks or a poo...

Page 17: ...water pump performance For this reason it is important to check the air filter regularly Screw off the butterfly nut and remove the air filter housing Clean any dirt that is present If damaged it mus...

Page 18: ...e level is too low add fuel screw on the fuel tank cap and tighten it ONLY USE STRAIGHT UNLEADED PETROL Do not add fuel over the fuel strainer shoulder maximum level Refuel in a well ventilated area E...

Page 19: ...or death 2 Pump Placement For best pump performance place the water pump near the water level and use hoses of the correct length and no longer than is necessary This will allow the pump to produce th...

Page 20: ...00mm Use the hose clamp to securely fasten the hose connector to the suction in order to prevent air and water leakage Before using the connector sealing washer ensure that it is in good condition Ins...

Page 21: ...ten the hose clamp securely to prevent the discharge hose from disconnecting under a high pressure 5 Priming the Pump Before starting the engine fill the pump with water Unscrew the priming plug and f...

Page 22: ...readjusting the pilot screw If you intend to regularly use the water pump at altitudes greater than 1000m above sea level contact us regarding a carburettor modification Even with a suitable carburet...

Page 23: ...o this whilst the water pump is set on a firm level ground 2 Move the fuel valve lever to the ON position 3 If the engine is cold move the choke lever to the CLOSED position 4 Position the throttle le...

Page 24: ...engine switch to the ON position 6 Pull the starter lightly until resistance is felt then pull it briskly Do not allow the starter grip to snap back against the engine Return it gently to prevent dam...

Page 25: ...and check the pump output Pump output is controlled by adjusting engine speed moving the throttle lever in the FAST direction will increase pump output and moving the throttle lever in the slow direc...

Page 26: ...uel valve lever off Turn the fuel valve lever to the OFF position After use remove the pump drain plug and drain the pump chamber Remove the filler cap and flush the pump chamber with clean fresh wate...

Page 27: ...individual needs and use 1 Maintenance Schedule Regular Service Period Each Use First Month or 20 hours Every 3 Months or 50 hours Every 6 Months or 100 hours Every Year or 300 hours Engine Oil Check...

Page 28: ...in completely and then replace the drain plug and tighten it securely Please dispose of the used oil in an environmentally friendly way We suggest that you take the used oil in a sealed container to y...

Page 29: ...ce schedule Never run the engine without the air filter or use a damaged air filter This will result in damage to the engine Screw off the butterfly nut and remove the housing Screw off the next set o...

Page 30: ...The gap should be between 0 7mm and 0 8mm 4 Check if the spark plug sealing washer is in good condition In order to avoid damage to the thread in the cylinder head screw the spark plug in carefully by...

Page 31: ...the fuel lever Completely drain the fuel from the carburettor and fuel tank then replace the sediment cup and drain plug and re tighten them 2 Change the engine oil 3 Pour a tablespoon 5 10cc of clean...

Page 32: ...Remove and Inspect Spark Plug Spark plug faulty or improperly gapped Adjust gap or replace with a new spark plug Spark plug wet with fuel flooded engine Dry and reinstall spark plug start engine with...

Page 33: ...Head Relocate pump and hoses to reduce head Check Engine Engine lacks power See Engine lacks power Low Pump Output Cause Correction Check Suction Hose Hose collapsed cut or damaged too long or diamete...

Page 34: ...P a g e 34 11 WIRING DIAGRAM...

Page 35: ...n 25 mm 1 in 40 mm 1 5 in 40 mm 1 5 in 50 mm 2 in 80 mm 3 in Discharge Port Diameter 25 mm 1 in 25 mm 1 in 40 mm 1 5 in 40 mm 1 5 in 50 mm 2 in 80 mm 3 in Suction Head maximum m 4 6 6 6 8 8 Total Head...

Page 36: ...eight kg 45 27 27 5 29 29 5 Suction Port Diameter 100 mm 4 in 40 40 50 50 Discharge Port Diameter 100 mm 4 in 40 40 25 25 40 40 25 25 50 50 40 40 50 50 40 40 Suction Head maximum m 8 7 7 7 7 Total Hea...

Page 37: ...32 60 60 Description HY390 HY210 HY270 Type Air Cooled 4 stroke OHV single cylinder EPA approval Displacement cc 389 212 270 Power kw 3600rpm 7 2 3 8 5 2 Fuel Tank Capacity l 6 7 3 6 6 7 Engine Oil C...

Page 38: ...nd does not include wear and tear The following are not covered under warranty Damage caused by improper use dropping or failing to follow the operating and service requirements Lack of proper lubrica...

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