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7.1. 

If troubleshooting does not solve the 

problem, contact your dealer or the    

manufacturer directly. Use only original parts 

approved by the manufacturer, otherwise a 

hazard risk arises. 

NO SPARK. 

Possible causes; 

1. Carbon deposit between electrodes of the

spark plug.

2. Ignition coil defective flywheel magneto too
weak.

Possible corrective actions; 

1. Clean the spark plug. Adjust the gap to 0.6 ~

0.7mm, Replace the spark plug.
2. Replace the Ignition coil or the flywheel.

WEAK SPARK. 

Possible causes; 

1. Too much fuel in the combustion chamber,

poor fuel or water in tank.
2. Blocked fuel line

Possible corrective actions; 

1. Remove spark plug and dry, replace fuel.
2. Clean the carburetor and clean the lines.

NORMAL FUEL SUPPLY BUT WEAK 

COMPRESSION 

Possible causes; 

1. Worn piston rings, spark plug not tightened,

the cylinder head is not tightly wrong valve

clearance or ignition.

Possible corrective actions; 

1. Replace or adjust.

NORMAL FUEL SUPPLY AND 

POOR S

PARK 

Possible causes; 

1. Poor contact between spark plug cap and

spark plug.

Possible corrective actions; 

1. Check or exchange.

MOTOR DOES NOT COME UP TO SPEED 

Possible causes; 

1. Choke is in "cold start" position, exhaust

system does not clog air supply, worn Movable

elements, spark weak, valve clearance to big,
sooty cylinder head.

Possible corrective actions; 

1. Open choke, exhaust system ignition coil

exchange check or replace flywheel Adjust spark
plug.

POWER RUNS OUT 

Possible causes; 

1. Congested 

fuel 

lines to the carburetor. Spark

plug

 

gap incorrect.

Possible corrective actions; 

1.

Unblock/

Replace 

fuel l

ines and carburetor.

Reset spark plug

 

gap.

NOISY ENGINE 

Possible causes; 

1. Incorrect choke 

lever 

position, or

damage to

 

crankshaft.

Possible corrective actions; 

1. Check and correct choke lever

 position

.

Check and/or

 

replace crankshaft.

LEAKING CARBURETOR 

Possible causes; 

1. Failure of the non-return valve on the fuel
tank lid. Worn carburetor gasket.

Possible corrective actions; 

1. Replace the fuel cap. Replace the carburetor
seal.

7.

TROUBLESHOOTING

Page 28

Summary of Contents for HYBC5080AV

Page 1: ...Licenced by Hyundai Corporation Korea Petrol Brushcutter HYBC5080AV...

Page 2: ...Page 2...

Page 3: ...Y 2 QUICK START 3 STARTING PROCEDURE 4 STOPPING PROCEDURE 5 USING THE MACHINE 6 MAINTENANCE 7 TROUBLESHOOTING 8 SPECIFICATION 9 PART LOCATIONS 10 DECLARATIONS OF CONFORMITY 11 RECYCLING PRODUCT DISPOS...

Page 4: ...te injury Indicates a situation that could easily result in equipment damage READ and keep the manual safe and pass it on if the machine is loaned or sold to another user You MUST fully read instructi...

Page 5: ...Protective Equipment PPE suggested items are but not limited to safety gloves and overalls 1 4 3 When fuelling de fuelling ALWAYS avoid inhaling fumes 1 4 4 When de fuelling ALWAYS use a propriety fu...

Page 6: ...nel syndrome This condition reduces the ability of the hand to feel and regulate temperature causing numbness and heat sensations and may cause nerve damage and circulatory tissue death 1 7 2 Not all...

Page 7: ...HT lead so that you can inspect the machine IF the machine is damaged in any way you MUST get it repaired before restarting work 1 10 7 DO NOT use the machine with a blunt cracked or damaged cutter bl...

Page 8: ...k plug when checking machine or changing parts 2 2 This product includes Main unit Operators handle Trimmer head Bump feed nylon trimmer head 3 tooth steel blade 5 tooth steel blade Spare 2 5 mm nylon...

Page 9: ...r unscrew and remove the hand wheel Push back the hinged cover place the handle into the cradle push hinge back over the handle bar and lock into place using the hand wheel Push the White cover back i...

Page 10: ...guard place thecutter over the bolts and secure in places using the 2 nuts Tighten by using Allen keyand spanner The cord cutter blade should have sharp cutting edge facing indirectionshown in image b...

Page 11: ...is order lock nut stainless steel cover spacer and drive spacer Place trimmer guard over threaded drive align the three holes and secure in place using the 3 Allen bolts Tighten in place using the All...

Page 12: ...the threaded drive Then attach the trimmer head onto the threaded drive tighten in an anti clockwise direction Align hole on drive spacer with groove on the guard then using the Allen key lock the sha...

Page 13: ...bladed cutter Place the drive spacer over the threaded drive N B Raised area to be toward the thread Place the over the threaded drive then place spacer over threaded drive N B Raised area to be towar...

Page 14: ...spanner to over the lock nut and tighten usetheAllen key to lock the shaft 2 9 Drive shaft assembly Remove the rubber plug from the end of the shaft Loosen the hand wheel then push the two shafts toge...

Page 15: ...o remove the top of the head Remove the spool spring and washer from the spindle With the bump feed facing outwards from your left hand take the looped end and place it around the holder in the middle...

Page 16: ...e direction until you have approximately 150 mm 6 Then insert spool back into the spindle Feed the line through the two notches in the spindle and reinsert the washer and spring into the spool Once co...

Page 17: ...he tags then rotate the tags 180 to secure into place Place the ear defenders over the outside of the headband on the helmet and place into the clips 2 12 Mixing two stroke oil Fill the mixing bottlew...

Page 18: ...uel tank cap and carefully add a fuel 2 stroke oil mixtureas in section 2 12 DO NOT overfill andallow a 25 mm gapat the topof the tank Once full replaceand correctly tighten the fuel cap DO NOT use st...

Page 19: ...RTING PROCEDURE Fill with fuel oil mixture make sure the fuel cap is secure Set the ignition switch on the handle to the ON position Pump the primer bulb several times until fuel shows in the bulb Pag...

Page 20: ...at the OFF position Placeone handon the machine and using the other hand pull the recoil until you feel a resistance then pull briskly Repeat until machine starts When the machine starts move the cho...

Page 21: ...e throttle lever 4 STOPPING PROCEDURE 4 1 Before stopping the machine allow the engine to cool down for a few minutes by allowing it to run without throttle 4 2 You MUST allow the cutting head to come...

Page 22: ...o the user and damage to the machine 5 3 Wearing the shoulder harness When you use this machine always wear the provided harness Make sure that the machine is securely hooked onto the strap If you do...

Page 23: ...ead is only to be used for cutting grass 5 4 8 Metal blade head is only to be used for brush only 5 4 9 To prevent overheating NEVER over cut instead cut off smaller lengths of grass or brush You MUST...

Page 24: ...ate Personal Protective Equipment PPE Suggested PPE Sturdy footwear work gloves especially when working near blade long trousers and hearing protection Maintenance cycle Component Each use Every 3 mth...

Page 25: ...1 1 Push clip 1 down and pull filter cover 2 away from machine take care to release lower clips 3 6 1 2 Remove the filter 4 by pressing clip 5 and lifting filter clear 6 1 3 Wash with soap and water...

Page 26: ...plug cap 3 carefully Do not pull on the HT lead instead pull on the spark plug cap 3 6 2 4 Using the supplied spark plug wrench unscrew the spark plug 4 in an anti clockwise direction 6 2 5 Check the...

Page 27: ...4 3 Remove all fuel from the fuel tank 6 4 4 After all the fuel is drained start the engine 6 4 5 Allow the engine to run in idle until engine stops alone This allows the fuel to be removed from the...

Page 28: ...1 Replace or adjust NORMALFUELSUPPLYANDPOOR SPARK Possible causes 1 Poor contact between spark plug cap and spark plug Possible corrective actions 1 Check or exchange MOTOR DOES NOT COME UP TO SPEED...

Page 29: ...d petrol mixed with Semi synthetic 2 Stroke oil first use ratio 25 1 thereafter use ratio of 40 1 Drive type Centrifugal clutch MACHINE Head line length diameter mm 3000 2 5 Cutting width mm length mm...

Page 30: ...9 PART LOCATIONS Page 30...

Page 31: ...TY Genpower Ltd confirms that these Hyundai products conform to the following CE Directives 2006 42 EC Machinery Directive 2014 30 EU EMC Directive 2000 14 EC Noise Emissions Directive 97 68 EC NRMM E...

Page 32: ...ed packaging materials should be sorted and taken to a recycling centre so it can be disposed of in a manner which is compatible with the environment 11 6 The following symbol means that you should Re...

Page 33: ...rranty exclusions details for your product please visit our Customer services section on our website at www hyundaipowerequipment co uk If you require a hard copy of Warranty details please contact af...

Page 34: ...Page 34...

Page 35: ...Page 35...

Page 36: ...www hyundaipowerequipment co uk 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...

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