Jonsered RS 44 Operator'S Manual Download

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GR41 GR50 RS44 RS52

Oper

ator’s manual (EPA)

Please read the oper

ator’s manual carefully and

make sure you understand the instructions
before using the machine.

Summary of Contents for RS 44

Page 1: ...GR41 GR50 RS44 RS52 Operator s manual EPA Please read the operator s manual carefully and make sure you understand the instructions before using the machine ...

Page 2: ... that no persons or animals come closer than 15 metres Machines fitted with saw blades or grass blades can be thrown violently to the side when the blade comes into contact with a fixed object This is called blade thrust The blade is capable of amputating an arm or leg Always keep people and animals at least 15 metres from the machine Always wear approved protective gloves Wear sturdy non slip boo...

Page 3: ...7 Fuel 17 Fueling 18 STARTING AND STOPPING Check before starting 19 Starting and stopping 19 WORKING TECHNIQUES General working instructions 21 MAINTENANCE Carburetor 25 Muffler 27 Cooling system 27 Air filter 27 Bevel gear 28 Spark plug 28 Maintenance schedule 29 TECHNICAL DATA Technical data 30 FEDERAL EMISSION CONTROL WARRANTY STATEMENT YOUR WARRANTY RIGHTS AND OBLIGATIONS 31 WARNING Long term ...

Page 4: ... and that it will be your companion for a long time Think of this operator s manual as a valuable document By following its content using service maintenance etc the life span and the second hand value of the machine can be extended If you ever lend or sell this machine make sure that the borrower or buyer gets the operator s manual so they will also know how to properly maintain and use it Good l...

Page 5: ...e control 8 Stop switch 9 Throttle lockout 10 Support eyes for harness 11 Cylinder cover 12 Starter handle 13 Fuel tank 14 Choke control 15 Handle adjustment 16 Harness 17 Locking nut 18 Support flange 19 Support cup 20 Drive disc 21 Trimmer head 22 Socket spanner 23 Operator s manual 24 Transport guard 25 Allen key 26 Carburettor screwdriver 27 Locking pin 28 Gearbox grease ...

Page 6: ...rottle control 8 Stop switch 9 Throttle lockout 10 Support eyes for harness 11 Cylinder cover 12 Starter handle 13 Choke control 14 Air filter 15 Fuel tank 16 Socket spanner 17 Handle adjustment 18 Locking nut 19 Support flange 20 Drive disc 21 Transport guard 22 Harness 23 Operator s manual 24 Allen key 25 Locking pin 26 Gearbox grease 27 Carburettor screwdriver ...

Page 7: ...rvice instructions described in this manual Some maintenance and service measures must be carried out by trained and qualified specialists See instructions under the heading Maintenance All covers guards and handles must be fitted before starting Ensure that the spark plug cap and ignition lead are undamaged to avoid the risk of electric shock The machine operator must ensure that no people or ani...

Page 8: ...ockout and make sure it returns to its original position when you release it Check that the throttle control and throttle lockout move freely and that the return springs work properly See instructions under the heading Start Start the machine and apply full throttle Release the throttle and check that the cutting attachment stops and remains at a standstill If the cutting attachment rotates with t...

Page 9: ...ation that requires you to free yourself from the machine and harness See instructions under the heading Adjusting the harness and clearing saw Certain harnesses also have a quick release fitted to the support hook Check that the harness straps are correctly positioned Once the harness and machine have been adjusted check that the harness quick release works correctly Muffler The muffler is design...

Page 10: ... of the saw blade You should therefore always ensure that your hand is shielded by the blade guard when doing this Always use a socket spanner with a shaft that is long enough to allow this The arrow in the diagram shows the area where you should operate the socket spanner when loosening or tightening the nut The nylon lining inside the locking nut must not be so worn that you can turn it by hand ...

Page 11: ... set saw blade increases the risk of jamming and blade thrust and damage to the saw blade Check the cutting attachment for damage or cracks A damaged cutting attachment should always be replaced IMPORTANT Only use cutting attachments with the guards we recommend See the chapter on Technical data Refer to the instructions for the cutting attachment to check the correct way to load the cord and the ...

Page 12: ...he recommended trimmer heads and trimmer cords These have been tested by the manufacturer to suit a particular engine size This is especially important when a fully automatic trimmer head is used Only use the recommended cutting attachment See the chapter on Technical data Smaller machines generally require small trimmer heads and vice versa This is because when clearing using a cord the engine mu...

Page 13: ...nd grass cutter The blade guard A is fitted using 4 screws L and the support plate M as shown CAUTION Always use the recommended guard for the cutting attachment you are using See chapter on Technical data Fit the drive disc B on the output shaft Turn the blade shaft until one of the holes in the drive disc aligns with the corresponding hole in the gear housing Insert the locking pin C in the hole...

Page 14: ... left hand thread When loosening and tightening the saw blade nut there is a risk of injury from the teeth of the saw blade You should therefore always ensure that your hand is shielded by the blade guard when doing this Always use a socket spanner with a shaft that is long enough to allow this The arrow in the diagram shows the area where you should operate the socket spanner when loosening or ti...

Page 15: ...ck release Use this if the engine catches fire or in any other emergency situation that requires you to free yourself from the machine and harness Spreading the load on your shoulders A well adjusted harness and machine makes work much easier Adjust the harness for the best working position Tension the side straps so that the weight is evenly distributed across both shoulders Correct height 1 Fore...

Page 16: ...u need to lower the suspension hook for trimming for example move the suspension strap A to the lower mounting point on the backplate 6 The elastic strap B can be tightened to transfer more load from the shoulder straps to the hip strap Correct balance 1 Forestry clearing The machine is balanced by moving the suspension ring on the machine forwards or backwards On some models the suspension ring i...

Page 17: ...es can drastically affect the ratio of the mixture Gasoline CAUTION Always use a quality gasoline oil mixture with an octane rating of at least 87 octane RON MON 2 If your machine is equipped with a catalytic converter see chapter on Technical data always use a good quality unleaded gasoline oil mixture Leaded gasoline will destroy the catalytic converter Use low emission gasoline also known as al...

Page 18: ...nk can cause operating problems Ensure that the fuel is well mixed by shaking the container before filling the tank WARNING The catalytic converter muffler gets very hot during and after use This also applies during idling Be aware of the fire hazard especially when working near flammable substances and or vapours WARNING Taking the following precautions will lessen the risk of fire Do not smoke o...

Page 19: ...e not damaged or cracked Replace the trimmer head or trimmer guard if they have been exposed to impact or are cracked Never use the machine without a guard nor with a defective guard Starting and stopping Cold engine Ignition Set the stop switch to the start position Choke Set the choke control in the choke position Warm engine Use the same starting procedure as for a cold engine but without setti...

Page 20: ...pulling the cord until the engine starts When the engine starts return choke control to run position and apply full throttle the throttle will automatically disengage from the start setting CAUTION Do not pull the starter cord all the way out and do not let go of the starter handle when the cord is fully extended This can damage the machine Stopping Stop the engine by switching off the ignition WA...

Page 21: ...t guard before carrying or transporting the equipment any distance 10 Never put the machine down with the engine running unless you have it in clear sight The ABC of clearing Always use the correct equipment Make sure the equipment is well adjusted Follow the safety precautions Organise your work carefully Always use full throttle when starting to cut with the blade Always use sharp blades Avoid s...

Page 22: ... right Tilt the blade and bring it diagonally down to the right exerting firm pressure At the same time push the stem using the blade guard Cut with the area of the blade between 3 o clock and 5 o clock Apply full throttle before advancing the blade To fell to the right the bottom of the tree should be pushed to the left Tilt the blade and bring it diagonally up to the right Cut with the area of t...

Page 23: ... the stems to the required height Now try to reach in with the blade and cut from the centre of the group If it is still difficult to gain access cut the stems high up and let them fall This will reduce the risk of jamming Grass clearing using a grass blade Grass blades and grass cutters must not be used on woody stems A grass blade is used for all types of tall or coarse grass The grass is cut do...

Page 24: ...rd wears quicker and must be fed forward more often when working against stones brick concrete metal fences etc than when coming into contact with trees and wooden fences When trimming and clearing you should use less than full throttle so that the cord lasts longer and to reduce the wear on the trimmer head Cutting The trimmer is ideal for cutting grass that is difficult to reach using a normal l...

Page 25: ...tory The basic setting is richer than the optimal setting and should be maintained for the first few hours the machine is in use The carburettor should then be finely adjusted Fine adjustment should be carried out by a skilled technician The basic setting can vary between H 1 1 1 4 turns and L 1 1 1 4 turns CAUTION If the cutting attachment rotates when the engine is idling the idle adjustment scr...

Page 26: ...ll be too high and cause engine damage Do not let the engine run at full speed for more than 10 seconds Setting procedure without a load Blade can be used The machine is equipped with speed control in the ignition system It is extremely important to be aware of this when adjusting the carburettor RS52 Speed control at 13500 rpm When attempting to adjust the speed over that specified the speed is n...

Page 27: ...y blocked this can be a sign that the performance of the catalytic converter is impaired Contact your dealer to inspect the muffler A blocked screen will cause the machine to overheat and result in damage to the cylinder and piston CAUTION Never use a machine with a defective muffler Cooling system To keep the working temperature as low as possible the machine is equipped with a cooling system The...

Page 28: ...starting difficulties If the machine is low on power difficult to start or runs poorly at idle speed always check the spark plug first before taking any further action If the spark plug is dirty clean it and check that the electrode gap is 0 5 mm 0 020 The spark plug should be replaced after about a month in operation or earlier if necessary CAUTION Always use the recommended spark plug type Use o...

Page 29: ...correctly X Check that the locking screw is tightened when using a support cup with bearings X Check that the transport guard for the blade is intact and that it can be secured correctly X Check that nuts and screws are tight X Check that there are no fuel leaks from the engine tank or fuel lines X Check the starter and starter cord X Check that the vibration damping elements are not damaged X Cle...

Page 30: ...02 0 5 0 02 0 5 Fuel and lubrication system Manufacturer type of carburetor Zama C1Q Walbro HDA Fuel tank capacity US pint litre 1 70 0 8 1 60 0 75 Weight Weight without fuel cutting attachment and guard Lbs kg 18 5 8 4 20 1 9 1 Sound levels see note 1 Equivalent sound pressure level at the user s ear measured according to ANSI B175 3 1997 dB A min max 100 103 98 104 Vibration levels Vibration lev...

Page 31: ...each subsequent purchaser that the engine is free from defects in materials and workmanship which cause the failure of a warranted part for a period of two years WHAT IS COVERED REPAIR OR REPLACEMENT OF PARTS Repair or replacement of any warranted part will be performed at no charge to the owner at an approved Jonsered servicing dealer If you have any questions regarding your warranty rights and r...

Page 32: ...1 2 3 4 5 6 7 8 9 35 50 NM 15 cm 6 Clic 3 5 m 11 7 0 m 23 2 4 3 3 mm 095 130 12 cm 5 Trimmy SII ...

Page 33: ......

Page 34: ... z R 5Q z R 5Q 2 7 3 3 mm 106 130 15 cm 6 15 cm 6 15 cm 6 15 cm 6 1 2 3 5 6 7 10 11 1 2 1 1 Kw 1 1 Kw 2 7 mm 9 0 m 3 0 mm 7 5 m 3 3 mm 6 0 m 4 8 Auto 55 ...

Page 35: ......

Page 36: ... z R 5Q 2006 08 23 z R 5Q 1150269 95 ...

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