Related Manuals for Jonsered GR41/50
Summary of Contents for Jonsered GR41/50
- Page 1 Operator’s manual (EPA) Please read the operator’s manual carefully and make sure you understand the instructions before using the machine. GR41 GR50 RS44 RS52...
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Page 2: Key To Symbols
15 metres from the machine. Always wear approved protective gloves. Wear sturdy, non-slip boots. Only use non-metallic, flexible cutting attachments, i.e. trimmer heads with trimmer cord. 2 – English KEY TO SYMBOLS Other symbols/decals on the machine refer to special certification requirements for certain markets. -
Page 3: Table Of Contents
Fitting a blade guard, grass blade and grass cutter ... Fitting the blade guard and saw blade ... Fitting the trimmer guard and trimmer head Trimmy SII Fitting other guards and cutting attachments ... Adjusting the harness and clearing saw ... -
Page 4: Introduction
Good luck on using your Jonsered machine! Jonsered has a policy of continuous product development and therefore reserves the right to modify the design and appearance of products without prior notice. -
Page 5: What Is What
WHAT IS WHAT? 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... -
Page 6: What Is What On The Clearing Saw? (Rs52)
What is what on the clearing saw? (RS52) 1 Blade 2 Grease filler cap, bevel gear 3 Bevel gear 4 Cutting attachment guard 5 Shaft 6 Handlebar 7 Throttle control 8 Stop switch 9 Throttle lock 10 Support eyes for harness 11 Cylinder cover 12 Starter handle 13 Choke control... -
Page 7: General Safety Precautions
15 metres. Personal protective equipment IMPORTANT! A clearing saw, brushcutter or trimmer can be dangerous if used incorrectly or carelessly, and can cause serious or fatal injury to the operator or others. It is extremely important that you read and understand the contents of this operator’s manual. -
Page 8: Machine ' S Safety Equipment
GENERAL SAFETY PRECAUTIONS Machine ′ ′ ′ ′ s safety equipment This section describes the machine ′ s safety equipment, its purpose, and how checks and maintenance should be carried out to ensure that it operates correctly. See the ”What is what?”... -
Page 9: Cutting Attachment Guard
GENERAL SAFETY PRECAUTIONS Cutting attachment guard This guard is intended to prevent loose objects from being thrown towards the operator. The guard also protects the operator from accidental contact with the cutting attachment. Check that the guard is undamaged and not cracked. Replace the guard if it has been exposed to impact or is cracked. -
Page 10: Locking Nut
GENERAL SAFETY PRECAUTIONS For mufflers it is very important that you follow the instructions on checking, maintaining and servicing your machine. See instructions under the heading Checking, maintaining and servicing the machine’s safety equipment. Never use a machine that has a faulty muffler. Regularly check that the muffler is securely attached to the machine. -
Page 11: Cutting Equipment
Saw blades are intended for cutting fibrous types of wood. Grass blades and grass cutters are intended for cutting coarse grass. A trimmer head is intended for trimming grass. General rules Only use cutting attachments with the guards we recommend! See the chapter on Technical data. -
Page 12: Sharpening The Saw Blade
• Make sure that the cutter on the trimmer guard is intact. This is used to cut the cord to the correct length. • To increase the life of the cord it can be soaked in water for a couple of days. -
Page 13: Assembly
Assembling the handlebar and throttle • Unscrew the knob from the handlebar mounting. • Position the handlebar as shown. Fit the mounting components and tighten the knob lightly. • Fit the right handle to the handlebar using the screw, washer, sleeve and nut as shown. Tighten. •... -
Page 14: Fitting The Blade Guard And Saw Blade
Fitting the trimmer guard and trimmer head Trimmy SII CAUTION! If the machine is to be used with a trimmer head, the fast idle speed must be reduced by 400-500 rpm. See instructions under the heading Carburettor. -
Page 15: Fitting Other Guards And Cutting Attachments
• Tighten the trimmer head to a torque of 35-50 Nm (3.5-5 kpm). • To dismantle, follow the instructions in the reverse order. Fitting other guards and cutting attachments Fit the trimmer guard/combination guard (A) intended for use with the trimmer head/plastic blades. Secure the trimmer guard using the 4 screws (L) and the support plate (M) as shown. -
Page 16: Vector Harness
2 Grass clearing The machine should be supported in a harness when grass clearing so that the cutting equipment is parallel to the ground. Vector harness Safety release Push down the red release lever to release the machine from the harness. Adjusting the harness 1 Tighten the hip strap so that it sits securely. -
Page 17: Fuel Handling
When working at continuous high revs a higher octane rating is recommended. Two-stroke oil • For best results and performance use JONSERED two- stroke engine oil, which is specially formulated for our air- cooled two stroke-engines. • Never use two-stroke oil intended for water-cooled engines, sometimes referred to as outboard oil (rated TCW). -
Page 18: Fueling
Mixing • Always mix the gasoline and oil in a clean container intended for fuel. • Always start by filling half the amount of the gasoline to be used. Then add the entire amount of oil. Mix (shake) the fuel mixture. Add the remaining amount of gasoline. •... -
Page 19: Starting And Stopping
• Check that the trimmer head and trimmer guard are 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. - Page 20 STARTING AND STOPPING Starting WARNING! When the engine is started with the choke in either the choke or start throttle positions the cutting attachment will start to rotate immediately. Hold the body of the machine on the ground using your left hand (CAUTION! Not with your foot!).
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Page 21: Working Techniques
General working instructions IMPORTANT! This section describes the basic safety precautions for working with clearing saws and trimmers. If you encounter a situation where you are uncertain how to proceed you should ask an expert. Contact your dealer or your service workshop. Avoid all usage which you consider to be beyond your capability. -
Page 22: Brush Cutting With A Saw Blade
• Work systematically to and fro across the area, clearing a width of around 4-5 m on each pass. This exploits the full reach of the machine in both directions and gives the operator a convenient and varied working area to work in. •... -
Page 23: Grass Trimming With A Trimmer Head
Clearing • The clearing technique removes all unwanted vegetation. Keep the trimmer head just above the ground and tilt it. Let the end of the cord strike the ground around trees, posts, statues and the like. CAUTION! This technique increases the wear on the cord. - Page 24 Sweeping • The fan effect of the rotating cord can be used for quick and easy clearing up. Hold the cord parallel to and above the area to be swept and move the tool to and fro. • When cutting and sweeping you should use full throttle to obtain the best results.
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Page 25: Carburetor
Carburetor Your Jonsered product has been designed and manufactured to specifications that reduce harmful exhaust fumes. The engine will be run in after it has used 8-10 tanks of fuel. To ensure that the engine runs at peak performance and... - Page 26 Ensure the length of the trimmer cord is correct, i.e. exactly reaches the knife on the trimmer guard. Use either 3 mm or 3.3 mm diameter trimmer cord. Run the machine warm for about 5 minutes mostly at full throttle.
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Page 27: Correctly Adjusted Carburetor
Correctly adjusted carburetor When the carburetor is correctly adjusted the machine will accelerate without hesitation and burble a little at maximum speed. It is also important that the cutting attachment does not rotate at idle. If the low speed jet L is set too lean it may cause starting difficulties and poor acceleration. -
Page 28: Cleaning The Air Filter
Use of the wrong spark plug can damage the piston/cylinder. Check that the spark plug is fitted with a suppressor. IMPORTANT! Use only JONSERED replacement parts. Use of other brands of replacement parts can cause damage to your unit or injury to the operator or others. Your warranty does not cover damage or liability caused by the use of accessories and/or attachments not specifically... -
Page 29: Maintenance Schedule
Check that the trimmer head is undamaged and not cracked. Replace the trimmer head if necessary. Check that the locking nut of the cutting equipment is tighten correctly. -
Page 30: Technical Data Technical Data
NOTE! Noise pressure at the user’s ear and vibration on the handles are measured with all the machine’s approved cutting equipment fitted. The table indicates the highest and lowest values. RS44/RS52 Approved accessories Centre hole in blades/cutters, Ø 20 mm Grass blade/grass cutter Saw blade Plastic blades Trimmer head Support cup 30 – English TECHNICAL DATA RS44 2,70/44,3 1,65/42... -
Page 31: Federal Emission Control Warranty Statement
Operator′s Manual. Jonsered recommends that you retain all receipts covering maintenance on your small nonroad engine, but Jonsered cannot deny warranty solely for the lack of receipts or for your failure to ensure the performance of all scheduled maintenance. As the small nonroad engine owner,... -
Page 32: Trimmy Sii
Trimmy SII ~ 15 cm 35-50 NM 7,0 m 12 cm 5" ~ 3,5 m "Clic"... - Page 34 Auto 55 2,7 mm - 9,0 m 3,0 mm - 7,5 m 3,3 mm - 6,0 m 15 cm 6" ´®z+R!o¶5*¨ ´®z+R!o¶5*¨ 15 cm 6" 15 cm 15 cm 6" >1,1 Kw <1,1 Kw 6"...
- Page 36 1150017-95 ´®z+R!o¶5*¨ ´®z+R!o¶5*¨ 2005-09-28...
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