OWNER’S MANUAL PETROL GRASS TRIMMER 251C USER MANUAL, MAINTENANCE INSTRUCTIONS AND SPARE PARTS READ THIS MANUAL CAREFULLY BEFORE OPERATING THE MACHINE WARNING: THIS SYMBOL INDICATES IMPORTANT SAFETY PRECAUTIONS
DESCRIPTION 1 2 3 NYLON CUTTER HEAD CUT-OFF KNIFE SHIELD 4 D-HANDLE 5 6 7 8 9 DRIVE SHAFT ASSEMBLY IGNITION SWITCH SAFETY LEVER THROTTLE TRIGGER PURGE BULB 10 11 12 13 14 FUEL TANK LID FUEL TANK AIR CLEANER COVER CHOKE STARTER HANDLE CONTAINS REPLACEABLE NYLON TRIMMING LINE TRIMS NYLON FILAMENT TO THE CORRECT LENGTH MOUNTED JUST ABOVE THE CUTTING ATTACHMENT HELPS PROTECT THE OPERATOR THIS HANDLE CAN BE ADJUSTED AT YOUR CONVENIENCE FOR COMFORT CONTAINS A FLEXIBLE DRIVE SHAFT ON AND OFF SWITCH TO PRE
TABLE OF CONTENTS DESCRIPTION ........................................................................................................... 1 SAFETY SYMBOLS................................................................................................... 3 TAKING CARE OF WARNING LABELS........................................................................ 4 WARNINGS IN THE MANUAL ...................................................................................... 4 EXPLANATION OF SYMBOLS ON THE MACHINE ..
SAFETY SYMBOLS Warning: Danger, Caution Read the documentation and safety instructions which are provided in this user manual. When operating this machine, use protective equipment such as goggles, helmet and ear defenders. Wear security shoes and gloves. Beware: Keep hands and feet away from moving parts. Always keep a safe distance from the cutting parts. Hot surface: Risk of burn. Danger: Risk of intoxication. Danger: Risk of fire or explosion Directive 2000-14/CE.
TAKING CARE OF WARNING LABELS • Always keep warning labels clean and free of scratches, which might make them illegible or difficult to read. If the warning labels provided with your grass trimmer become damaged, peel off, or otherwise become illegible or difficult to read, order new labels from the authorised servicing dealer and replace the damaged labels. When applying new labels, first wipe away any dirt and dry the surface before applying the new label in the same place as the original label.
SAFETY PRECAUTIONS INTRODUCTION • • • • • • • • • • Read this Owner/Operator Manual carefully. Be sure you understand how to operate this grass trimmer properly before you use it. Failure to do so could result in serious injury. Keep this manual handy so that you may refer to it later whenever any questions arise. Also note that you are able to contact the dealer from whom you purchased the product for assistance.
SAFETY AND OPERATION • • • • Improper handling can cause accidents which may in turn lead to serious injury or death. For this reason, you should always be careful to adhere to the following instructions when using your grass trimmer. Never hold the grass trimmer in a way in which the cutting head is pointing towards someone else. Never allow the trimmer head to come into contact with your body.
ASSEMBLY OF THE GRASS TRIMMER The blade fitted to the guard is sharp and can cause injury, always wear gloves INSTALLATION OF THE GUARD • To install the guard to the shaft, locate the shield using bracket A as a locating point Fig 2, and secure using plate B and 2 screws Fig 4.
FITTING OF THE HANDLE • Assemble the two halves off the handle over the rubber on the shaft Fig 7, and secure using 4 M5 X 25 screws. Adjust to a comfortable working position then tighten the fixing screws securely Fig 8. • Fig 7 RUBBER Fig 8 USING THE GRASS TRIMMER CUTTING LINE HEAD • • • • • Cut the grass in 1.5 metre widths, keeping the machine well balanced. Avoid engaging stones, piles of earth, small pieces of wood or anything that could be hidden or difficult to see in the grass.
• • • • • • Never touch the spark plug or plug HT cable while the engine is in operation, doing so may result in an electrical shock. Never touch the exhaust, spark plug, or any metallic parts while the engine is in operation or immediately after shutting down the engine, these parts reach high temperatures during operation and doing so could result in serious burns. When you finish cutting in one location and wish to continue work in another area, stop the engine.
OPERATION Keep clear of the cutting head as it may start moving when the engine starts. STARTING THE ENGINE • CAUTION do not pull the starter cord all the way out and do not let go of the starter handle when the cord is extended, this can damage the starter mechanism. COLD ENGINE STARTING • • Rest the unit on a flat, firm surface. Keep the cutting head off the ground and clear of surrounding objects as it may start moving when starting the engine.
Fig 12 • Set the ignition switch Fig 12 to START ( I ) position. • While holding the unit, pull out the starter rope firmly until engine fires (indicated by a ‘cough’ from the engine). Move the choke lever to the open position Fig 11. Pull the starter rope until the engine starts. Allow the engine to warm up before use. When cutting, always use the grass trimmer on full throttle. • • • HOT ENGINE STARTING • • • Set the ignition switch Fig 12 to the START ( I ) position.
Fig 13 Fig 14 fuel filter SPARK PLUG • Poor starting or misfiring is often caused by a fouled or defective spark plug, clean and reset the gap to 0.65 mm, or replace the spark plug with NGK: BPRM7A as necessary Fig 14. AIR FILTER • Before using the grass trimmer, check the air filter Fig 16. If clogged, will reduce the engine performance. Remove the air filter cover by undoing the cover screw Fig 15, clean the filter element in warm, soapy water, dry completely before installing.
Fig 17 • T screw If the idle speed cannot be adjusted to stop the cutting head moving at idle, contact your dealer for repair before use. Fig 18 SAFETY LOCK, THROTTLE LEVER SAFETY LOCK • • • • The safety lock is to prevent the throttle lever from accidentally being engaged. The throttle lever, Fig 18, can only be pressed in if the safety lock is held down.
REPLACING THE NYLON CORD Check to see if the nylon head is damaged before replacing the cord. If you can see serious traces of wear or damage, you must replace the complete nylon head. • • • • • • • • • • Stop the engine. Open the nylon head by holding the string head and unscrew the spool retainer nut anti-clockwise, Fig 19. Pull the bobbin out of the nylon head and take out the rest of the nylon cords. Cut two cords, 2.0mm Ø and 2.5 meters long.
MAINTENANCE SCHEDULE Component Procedure Before use Fuel leaks / spillage Wipe up Fuel tank, filter Inspect / clean Idle adjust screw See above Spark plug BPMR7A Clean and readjust plug gap Cylinder fins, Intake air cooling vent Clean Muffler, Spark arrestor, cylinder exhaust port Clean Throttle lever, ignition switch Check operation X Air filter Clean X Screws, nuts, bolts Tighten / replace X Every 15 Hours Every 25 Hours Every 50 Hours Note X Replace if necessary X Adjust car
CONDITIONS OF WARRANTY The manufacturer warrants the product against faulty materials and workmanship for a period of 2 years from the date of first purchase. The warranty is applicable when the product is used in a “home owner” application. If products are used for commercial or professional purposes, the warranty period is for 3 months from the date of first purchase. Warranty does not extend to failure due to fair wear and tear.
CE declaration of Conformity Declaration de Conformité CE Dichiarazione di Conformita CE Declaraciòn de Conformidad CE The undersigned- Je soussigné - Il sottoscritto -EL abajo firmante : Mr KEJUN LIU PRESIDENT of : Shanghai Huasheng International Business Co.
