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1.70 

Noise (where applicable). 

1.71 

The operating noise of the machine can damage your hearing. Wear hearing 
protection such as earplugs or ear defenders to protect your hearing. Long-term 
and regular users are advised to have hearing checked regularly. Be especially 
vigilant and cautious when hearing ear protection because your ability to hear alarm 
warnings will be reduced. 

1.72 

Noise emissions for this equipment is unavoidable. Carry out noisy work at approved 
times and for certain periods. Limit the working time to a minimum. For your personal 
protection and protection of people working nearby it is also advisable for them to 
wear hearing protection. 

1.73 

See CERTIFICATE of CONFORMITY section for Outdoor Noise declaration of 
conformity. 

MACHINE SPECIFIC SAFETY 

1.80 

General Machine Safety. 

1.81 

Read the owner’s manual carefully to understand how to operate this machine 
properly. 

1.82 

The water pump will need priming with water BEFORE use. 

1.83 

Check the water pump over before use, if any problems are found you MUST make 
sure they are dealt with by the appropriate person before use. 

1.84 

Check around and underneath the water pump for signs of oil or fuel leaks. 

1.85 

Remove any dirt or debris, especially from the engine exhaust and recoil starter. 

1.86 

Look for any signs of damage. 

1.87 

Check that all nuts, bolts, screws, hose connectors and clamps are tightened. 

1.88 

Check the general condition of the hoses. 

1.89 

Before connecting the hoses to the water pump, make sure that they are in good 
condition. 

1.90 

Remember that the suction hose must be of a reinforced construction to prevent the 
hose from collapsing. 

1.91 

Check that the sealing washer in the suction hose is in good condition. If there are 
any leaks or a poor connection, the pump will draw in air and notfunction. 

1.92 

Check that the hose connectors and clamps are securely installed. 

1.93 

Check that the strainer is in good condition and is secured on the suction hose. 

WARNING

 

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

 

NOTE 

Before checking the oil, place the water pump on a flat, level surface. 

Summary of Contents for HY25-4

Page 1: ...PETROL WATER PUMP HY25 4 HY40 4 User Manual...

Page 2: ...LOCATIONS 10 3 ASSEMBLY 10 4 STARTING PROCEDURE 12 5 STOPPING PROCEDURE 13 6 MAINTENANCE 14 17 7 STORAGE 18 19 8 TROUBLE SHOOTING 20 21 9 SPECIFICATION 21 10 PART LISITNGS 22 25 11 DECLARATIONS OF CO...

Page 3: ...l of the following warning signs symbols and or PPE pictograms may appear throughout this manual You MUST adhere to their warnings Failure to do so may result in personal injury to yourself or those a...

Page 4: ...e in any doubt contact yourdealer 1 15 If you think you have or someone around you has been affected by carbon monoxide poisoning 1 16 Get them fresh air immediately by leaving the affected area or by...

Page 5: ...l NEVER work on LIVE ENERGISEDequipment 1 42 Prior to carrying out any maintenance work you MUST identify electrical isolation methods and isolate all electricalsupplies 1 43 Prior to use and with all...

Page 6: ...reas 1 59 1 There is an explosion risk if the battery terminals are short circuited when connecting disconnecting ALWAYS exercise great care so that the terminals or battery leads are NOT allowed to t...

Page 7: ...OREuse 1 83 Check the water pump over before use if any problems are found you MUST make sure they are dealt with by the appropriate person beforeuse 1 84 Check around and underneath the water pump fo...

Page 8: ...cover 1 96 Remove air filter cartridge 2 1 97 Remove inspect and clean foam element 3 all models Clean by washing in warm soapy water rinse with fresh water and allow to dry fully soak it in clean en...

Page 9: ...aced on a level ground Un screw the fuel tank cap and check the fuel level If the level is too low add fuel screw on the fuel tank cap and tightenit 1 99 3 Only use straight fresh unleaded petrol 3 1...

Page 10: ...clampring 4 over the hose connector and tighten in a clockwise direction 2 3 Take the hose clamp ring 5 over the end of the suction hose 6 then push the suction hose over the end of theconnector Once...

Page 11: ...o the upper level oil level with approx 0 4l of SAE10W 30 4 stroke oil and replace the oil fillercap dipstick 2 7 Do not over fill 2 8 2 9 2 10 2 11 2 12 2 13 CAUTION All fuels are flammable You MUST...

Page 12: ...e and the pump not operating If the unit has been operated dry stop the machine and allow to cool before adding priming water 3 0 Remove the self priming water filler cap and fill withwater 3 1 3 2 3...

Page 13: ...against the engine Return it slowly to avoid and possible damage to the starter 3 6 As the engine warms up gradually open the choke until the engine runssmoothly 3 7 Set the throttle to the desired r...

Page 14: ...ore frequently in dusty environments This pump should be serviced by an authorised water pump dealer 4 0 Maintenance Schedule Regular Service Period Month or operating hour interval Whichever comes fi...

Page 15: ...30 4 strokeoil 4 7 NOTE Please dispose of used motor oil in a matter that is compatible with the environment We suggest taking it in a sealed container to your local recycling centre for reclamation D...

Page 16: ...foam air filter element from thehousing 4 10 4 11 4 12 Wash the element in a solution of household detergent and warm water or a non flammable or high flashpoint solvent until clean then rinse thorou...

Page 17: ...spark plug wrench provided Visually inspect the spark plug and discard if chipped orcracked If the spark plug is to be reused then clean with a soft wire brush and reset the gap using a feeler gauge...

Page 18: ...mp clean water through the pump before shutting down or the impeller may be damaged when restarting 5 4 After flushing remove the pump drain plug and drain as much water as possible from the pump hous...

Page 19: ...t bowl 1 year or longer Drain the fuel tank Drain the carburetor float bowl After removal from storage drain stored fuel into a suitable container Fill with fresh fuel Use fuel conditioners that are f...

Page 20: ...spark plug or improperly gapped Replace with new spark plug or adjust the spark plug gap Spark plug wet with fuel flooded engine Dry the spark plug and reinstall Start engine with throttle lever in F...

Page 21: ...discharge head Excessive head Relocate pump and hose to reduce head Check engine Engine lacks power See engine trouble shooting above 9 SPECIFICATION 6 3 Model HY25 4 HY40 4 Engine type 152F 152F Eng...

Page 22: ...ad bolts M5 118 Pieces 2 4 Exhaust double head bolts M6 52 Pieces 2 5 Crankshaft oil seal and lid oil seal 17 30 6 Pieces 2 6 Oil filter cover 154F One 1 7 Gasket 154F Pieces 1 8 Under the windshield...

Page 23: ...n of connecting rods 154F Pieces 1 32 piston 154F Pieces 1 33 Piston pin 154F Pieces 1 34 Piston pin ring 154F Pieces 2 35 Piston ring group 154F Pieces 1 35 1 Oil ring Pieces 1 35 2 A ring Pieces 1 3...

Page 24: ...B T5787 1986 Pieces 5 63 Speed control arm One 1 64 Speed control rod One 1 65 Adjustable arm fastening bolts M6 21 T type Pieces 1 66 Reset the tension spring 154F Pieces 1 67 Fine speed spring 154F...

Page 25: ...n Washer 4 6 Bolt 4 7 Mechanical seal 1 8 Pump sealing ring 1 9 Impeller 1 10 Diffuser 1 11 O ring 1 12 Pump body 1 13 O ring 1 14 Outlet flange 1 15 O ring 2 16 Whorl plug 2 17 Check valve 1 18 Inlet...

Page 26: ...td confirms that the Hyundai water pump conforms to the following CE directives 2006 42 EC Machinery directive 2004 108 EC EMC directive 73 23 EC The low voltage directive 97 68 EC NRMM emissions dire...

Page 27: ...DETAILS Postal address Genpower Limited Isaac Way Pembroke Dock Pembrokeshire SA72 4RW UK Telephone contact number Office 44 0 1646 687880 Email contact service genpower co uk Website www hyundaipowe...

Page 28: ...nquiries Please Contact GENPOWER LTD Isaac Way London Road Pembroke Dock UNITED KINGDOM SA72 4RW T 44 0 1646 687 880 F 44 0 1646 686 198 E info hyundaipowerequipment co uk www hyundaipowerequipment co...

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