Masport MT23HM Owner'S Manual Download

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554282 - Masport Brushcutter OM - July 2010

IMPORTANT: Keep these instructions and the engine booklet in a safe place for future reference.

They contain important information about your brushcutter.

Brushcutters

OWNER’S

MANUAL

This manual covers the models: MT23HM/B, MT23HM, MT27M, MT27K, MT27H,
MT36K & MT36H. Some features mentioned may not apply to your brushcutter.

Part

: 554282

Summary of Contents for MT23HM

Page 1: ...fe place for future reference They contain important information about your brushcutter Brushcutters OWNER S MANUAL This manual covers the models MT23HM B MT23HM MT27M MT27K MT27H MT36K MT36H Some features mentioned may not apply to your brushcutter Part N o 554282 ...

Page 2: ...party be sure to include this instruction manual and to instruct the third party to read the manual carefully before operating the device z Product specifications are subject to change without notice in the interests of improved product quality or performance or to enhance product safety The descriptions and illustrations contained in this manual might differ somewhat from the machine z If you fin...

Page 3: ...2 2 7 5 7 7 5 6 5 0 5 6 4 8 m s 2 5 7 5 5 7 6 7 5 5 2 5 6 4 6 9 2 5 4 5 7 4 4 4 5 4 1 4 0 Racing R L Equivalent vibration total values R L Blade 3 0 2 4 Idling L WI Racing L WR Guaranteed sound power level L WA Idling R L Recommended engine idling speed Engine speed at beginning of clutch engagement Idling L PI Racing L PR Maximum shaft brake power measured in accordance with ISO 8893 Engine speed...

Page 4: ...5 Non slip safety shoes Before using this device read this manual carefully until you are familiar with the contents Do not refuel or operate the machine near open flame Watch out for objects thrown from the brushcutter Do not run the engine in a room or in any confined area where exhaust emissions can accumulate Never touch the spark plug cap or high voltage wire while the device is running Do no...

Page 5: ... Nylon trimmer 19 Skirt 20 Blade cover 21 Harness 22 Shaft case 1 18 14 3 2 5 4 15 7 8 9 13 11 10 12 16 6 1 17 14 3 2 5 4 15 7 8 9 13 11 10 12 16 6 MT27M MT27K MT27H 21 MT23HMB MT23HM MT27M MT27K MT27H MT36K MT36H 20 18 19 MT36K MT36H 1 17 8 9 14 3 2 11 5 4 10 15 7 12 16 6 1 18 14 3 2 5 4 15 7 8 9 13 11 10 12 22 6 MT23HM MT23HM B 1 1 Engine 2 Spark plug 3 Air cleaner cover 4 Fuel tank cap 5 Muffle...

Page 6: ...aw blade on this brushcutter it is not designed to use a saw blade The cutting attachment guard for this device does not meet the safety standard for a saw blade therefore thrown objects can cause injury 6 Operator Safety WARNING Do not operate this device if you cannot concentrate due to fatigue illness or injury are under the influence of drugs or alcohol are under the age of 15 are pregnant If ...

Page 7: ...ANGER Do not run the engine in a room or in any confined area where exhaust emissions can accumulate Doing so can result in an accumulation of carbon monoxide and other poisonous gases that can cause death or severe poisoning 13 Cutting Blade Precautions DANGER Do not approach the running blade or nylon trimmer with your hand or foot If long grass or any other object becomes entangled in the cutti...

Page 8: ...efore transporting the brushcutter shut off the engine and mount the blade cover around the cutting blade Transport it with care If transporting the machine in a vehicle secure it to prevent it from moving around If the device can move freely during transport the fuel can spill or the device can be damaged Mounting the blade cover When mounting the blade cover position the larger face toward the g...

Page 9: ...on or excessive wear For more information see 8 Inspection and maintenance 3 Marking the hazard area A circular area within a radius of 15 meters of the machine is the hazard area When necessary mark the area with yellow warning rope and post a warning sign 4 Removing obstacles from the work area Before starting operation remove any rocks pieces of rope metal strips and other obstacles that can be...

Page 10: ...ts so that the operator can avoid them Do not use an excessively dull cutting blade 10 Cutting pattern MODEL MT23HM B The cutting attachments of the line trimmer rotate clockwise Cut a 1 5 meter arc from left to right Within this arc maintain the cutting device at a consistent height above the ground Advance slowly and gradually beginning with the left foot Cut brush with the arc on the cutting de...

Page 11: ... fuel tank of the engine Fuel oil mixtures degrade over time We recommend that you prepare only the amount of the fuel oil mixture you will use in the short term Do not use a fuel oil mixture that was prepared more than a week earlier A degraded fuel oil mixture can damage the engine Do not use a fuel oil mixture containing an incorrect proportion of engine oil Doing so can cause an engine malfunc...

Page 12: ...ully tightening screws B M6 45 and nuts C M6 MODEL MT23HM 1 Sandwich the shaft tube between a protector A and a protector holder B Fig 5 2 2 Secure these parts by tightening the bolts C M5 10 MODEL Other than MT23HM B and MT23HM With cutting blade mounted 1 Place the cutting attachment guard B and plate C against the cutting attachment guard holder A Align the holes with their counterparts Fig 5 3...

Page 13: ...F lock the output shaft A 2 as described below 1 Turn the blade retainer B until the hole B 1 is aligned with the hole A 1 on the angle transmission 2 Lock the blade retainer B by inserting the hex key wrench G through the hole A 1 in the angle transmission and into the hole B 1 in the blade retainer Mounting the cutting blade CAUTION The cutting blade is very sharp and can cause injury Wear heavy...

Page 14: ...mping nut F counterclockwise until fully tightened 5 Set the cord cassette H 2 on the housing H 1 Fig 5 9 MODEL Other than MT23HM B and MT23HM NOTICE For the removal setup method for the housing H 1 of the nylon trimmer refer to the instruction manual for the nylon trimmer Do not use the blade retainer D and the stabilizer E 1 Lock the output shaft A 2 Turn the clamping nut F clockwise and remove ...

Page 15: ...ontact with the cutting attachment Fig 5 13 2 Secure the loop handle by fully tightening screws C M5 30 and nuts D M5 Tightening torque 1 5 N m 2 Double handle MODEL MT36K MT36H 1 Slide the control handle A over handle B Secure by tightening screw J M5 30 and nut K M5 Tightening torque 1 5 N m 2 Slide the handgrip C over handle D Secure by tightening screw L M5 30 and nut M M5 Tightening torque 1 ...

Page 16: ...he cord J from the control handle to the engine cord 7 Mount the air cleaner cover A 6 Starting and Stopping the Engine DANGER Start up the engine only when no open flame is located near the machine Start the engine at a location at least 3 meters away from the refueling area or the fuel container Fuel is highly inflammable and a fire can lead to death or severe injury WARNING In some cases the cu...

Page 17: ...ee minutes to warm it up Shutting off the engine 1 Release the throttle trigger C 2 Slide the stop switch A to the STOP position Fig 6 4 WARNING Even after the engine has been shut off the rotating section cutting blade or nylon trimmer will continue to rotate for a while Hold the brushcutter steady until all moving parts have stopped completely The cutting blade is very sharp and can cause death ...

Page 18: ...lever K Fig 6 9 4 Hold the machine steady and pull hard on the recoil starter L to start the engine It may be necessary to pull on the starter repeatedly Fig 6 9 5 If you have set the choke lever K to the START position in step 3 above squeeze the throttle trigger C quickly to release the choke 6 When the engine is cold allow it to idle for about three minutes to warm it up Shutting off the engine...

Page 19: ...sition and squeeze the throttle trigger O The choke lever K will automatically return to the original position Fig 6 9 1 Push the stop switch N to the START position Fig 6 9 2 Repeatedly push the primer J until fuel starts to flow inside the clear fuel return tube M Fig 6 9 NOTICE If the primer J is pushed too many times any excess fuel will return to the fuel tank Push the primer J a sufficient n...

Page 20: ...easing the handle can cause the cutting blade or nylon trimmer to kick possibly resulting in injury Before starting the engine put on the harness correctly attach the brushcutter to the harness and stand in the correct brushcutter holding stance Ensure the cutting blade is 100 mm to 300 mm above the ground before releasing both hands from the handle Ensure the nylon trimmer is 0 mm to 300 mm above...

Page 21: ... one hole at a time at the suspension point to which the side hook is installed Shifting the location of the suspension point too much in one step can cause you to lose balance when checking the new brushcutter holding position possibly leading to tripping and injury When installing the side hook D select the most appropriate hole from the six suspension point holes H Quick release mechanism WARNI...

Page 22: ...firmly squeeze out excess oil 4 Adjust the element B to the contour of the air cleaner case C and fit it in the air cleaner case C 5 Mount the air cleaner cover A 2 Inspecting adjusting and replacing the spark plug If the electrodes are fouled or the spark plug gap is incorrect the spark will not be reliable and the engine will not run smoothly Inspection adjustment timing Every 50 hours of operat...

Page 23: ... the engine to the clutch case and attach the throttle linkage and cord to the engine For details see 5 3 Mounting the engine and 5 4 Attaching the handle throttle linkage and cord 6 Cleaning the fuel filter and fuel tank A clogged fuel filter can cause engine malfunctions Accumulated water or dirt in the fuel tank can also cause engine malfunctions Cleaning frequency Every 50 hours of operation W...

Page 24: ...ration Using a broken cracked or deformed blade carries a risk of blade fragments flying off during operation Inspection timing Before and after operation 1 Check that the cutting blade P has been correctly installed and that the blade clamping nut is not loose See 5 2 Mounting the cutting blade or nylon trimmer 2 Check the cutting blade P for excessive wear breakage cracks or deformation If any s...

Page 25: ...le transmission Replenish grease 1 When using the machine in a dusty location clean the air cleaner after every 10 hours of operation 2 Clutch shoe replacement requires an appropriate tool kit and special maintenance techniques We recommend that you ask your dealer to replace the clutch 3 Change the oil after the first 10 hours of operation Because the engine oil will deteriorate even when the mac...

Page 26: ...he spark plug Slowly pull the recoil starter cord and release it when you feel resistance This closes the intake and exhaust ports 5 Lightly wipe the external surface of the engine with cloth Then store the machine in a dry dust free location where no open fire is present 6 Before storing the machine clean the cutting blade and check for any irregularities Install the blade cover provided as a sta...

Page 27: ...he correct grade Using a screwdriver or other appropriate tool remove the deposited carbon from the muffler Engine stalls when the throttle trigger is released Typical cause Solution The idle speed is too low Adjust the idle speed with the idle speed adjuster on the carburetor Cutting blade continues to rotate after the throttle trigger is released Typical cause Solution The idle speed is too high...

Page 28: ...Head Office New Zealand 1 37 Mt Wellington Highway Panmure Auckland 1060 P O Box 14 349 Panmure Auckland 1741 ...

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