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25CC PETROL LINE TRIMMER
150-85-50077
25CC PETROL LINE TRIMMER INSTRUCTION MANUAL
WARNING: For your safety, please READ and UNDERSTAND this manual before using.
Save these instructions for future reference.

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Summary of Contents for Rok 150-85-50077

  • Page 1 25CC PETROL LINE TRIMMER 150-85-50077 25CC PETROL LINE TRIMMER INSTRUCTION MANUAL WARNING: For your safety, please READ and UNDERSTAND this manual before using. Save these instructions for future reference.
  • Page 2: Safety Rules And Precautions

    SAFETY RULES AND PRECAUTIONS Proper safety precautions must be observed. Like all power equipment, this unit must be handled carefully. DO NOT EXPOSE YOURSELF OR OTHERS TO DANGER. Follow these general rules. Do not permit others to use this machine unless they are thoroughly responsible and have read and understood the machine manual and are trained in its operation.
  • Page 3: Graphic Warnings

    When approaching an operator of a machine, carefully call his or her attention and confirm that the operator has stopped the engine. Be careful not to startle or distract the operator which can cause an unsafe situation. Never touch the nylon cutting head when the engine is running. If it is necessary to adjust the protector or nylon cutting head, be sure to stop the engine and confirm that the nylon cutting head has stopped running.
  • Page 4 Specifications, descriptions and illustrative material in this manual are as accurate as known at the time of publication, but are subject to change without notice. Illustrations may include optional equipment and accessories, and may not include all standard equipment. QUICK START UP GUIDE: OPERATIONS – ENGINE STARTING AND STOPPING PROCEDURES Starting cold engine: Start Stop...
  • Page 5 ASSEMBLY INSTRUCTIONS Handle assembly: The Delta Handle is attached to the shaft, but has been turned under for ease of packing. Loosen the adjustment knob and rotate handle to the top of shaft position handle 6-1/2 to 8-1/2” from throttle (Fig.
  • Page 6 DESCRIPTION SAFETY MANUAL included in the unit. Read before operating, and keep for future reference to ensure that you learn proper, safe operating techniques. 1. NYLON CUTTER HEAD: Contains replaceable nylon trimming line that advances when the trimmer head is trapped against the ground while the head is turning at normal speed.
  • Page 7: Cutting With A Nylon Head

    CUTTING WITH A NYLON HEAD - TRIMMING This is feeding the trimmer carefully into the material you wish to cut. Tilt the head slowly to direct debris away from you. If cutting up to a barrier such as fence, wall or tree, approach from an angle where any debris ricocheting off the barrier will fly away from you, Move the line head slowly until the grass is cut right up the barrier, but do not jam (overfeed) the line into the barrier.
  • Page 8 FITTING OF TRIMMER LINE 1. Holding trimmer head cup firmly, loosen and remove the bump feed lock knob with the two (2) prong spanner in an anticlockwise direction. 2. Divide a 6mt length of 2.00mm trimming line in half and place centre of halved line into the holding slot in the centre ring of the line carrier.
  • Page 9: Rules For Safe Operation

    RULES FOR SAFE OPERATION WARNING DANGER All model trimmers can throw small stones, metal or small objects, as well as the material being cut. Read these Rules for Safe Operation with care. Follow the instructions in your operator‟s manual. Read the operators manual carefully. Be thoroughly familiar with the controls and proper use of the unit. Know how to stop the unit and shut off the engine.
  • Page 10 Mixture ratio is 40:1 Oil – 1 part Gasoline = 40 parts Oil = 1 part Gasoline – 40 parts Fuel mixture at the rate other than 40:1 may cause damage to the engine, so ensure the ratio is correct. FUEL: The engine uses two stroke fuel - a mixture of gasoline and two stroke engine lubricant (mixed 40:1).
  • Page 11: Maintenance And Care

    MAINTENANCE AND CARE Air filter: Accumulated dust in the air filter will reduce the engine efficiency, increase fuel consumption and allow abrasive particles to pass into the engine. Remove the air filter as often as necessary to maintain it in a clean condition.
  • Page 12: Troubleshooting

    TROUBLESHOOTING Clean or replace the plug if fouled with heavy oily deposits. Replace the plug if the centre electrode is worn rounded at the end. Spark gap 0.6-0.7mm (.023".028") Fastening torque = 145-155kg.cm (125-135in.lb) Transport / handling: The engine should be turned off when the unit is moved between work areas. After the engine has stopped, the muffler is still hot.
  • Page 13: Troubleshooting Guide

    TROUBLESHOOTING GUIDE 1. Failure to start: SYMPTOM PROBABLE CAUSE REMEDY fuel these is no fuel in tank Add fuel in tank system fuel filter obstruct Clean fuel filter abnormality spark plug instead fuel spark fuel is too dirty fuel instead fuel normal there is water in fuel system...
  • Page 14 3. Engine running unstable: SYMPTOM PROBABLE CAUSE REMEDY piston、piston ring、 replace piston、piston ring cylinder attrite、 there are metal knock sounds replace piston pin、piston piston pin、piston attrite replace bearing bearing of crank shaft attrite engine overheats avoid use it for long time、 high speed and heavy load clean there are metal knock sounds burning room fouled with...
  • Page 15 Warranty Against Defect Electrical Agencies Pty Ltd (“us”, “we” “wholesaler” or “our”) guarantees this product for a full replacement or refund for: ROK Petrol Products 12 months This guarantee covers material and workmanship defects only. In order for the guarantee to be acted on, the consumer must use the products strictly in accordance with their operating manual and for the purpose for which they are intended to be used.

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