Jonsered GR41/50 manual Technical Data, Technical data

Page 30

TECHNICAL DATA

Technical data

Technical data

RS44

RS52

Engine

 

 

Cylinder displacement, cu.in/cm3

2,70/44,3

3,10/50,8

Cylinder bore, inch/mm

1,65/42

1,77/45

Stroke, inch/mm

1,26/32

1,26/32

Idle speed, rpm

2700

2700

Recommended max. speed, rpm

13500

13500

Speed of output shaft, rpm

10500

10500

Max. engine output, acc. to ISO 8893

2,0/9000

2,4/9600

Catalytic converter muffler

No

No

Ignition system

 

 

Manufacturer/type of ignition system

EM/ET

EM/ET

Spark plug

NGK BPMR 7A/Champion

NGK BPMR 7A/Champion

RCJ 7Y

RCJ 7Y

 

Electrode gap, inch/mm

0,02/0,5

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 users ear,

 

 

measured according to ANSI B175.3-1997, dB(A), min/

100/103

98/104

max:

 

 

Vibration levels

 

 

Vibration levels at handles, measured according to ANSI

 

 

B175.3-1997, m/s2

 

 

At idle, left/right handles, min.:

2,5/2,7

3,4/4,0

At idle, left/right handles, max.:

3,5/3,5

3,4/4,0

At max. speed, left/right handles, min.:

3,3/3,3

1,4/3,0

At max. speed, left/right handles, max.:

4,8/5,4

5,8/7,4

Note 1: Equivalent noise pressure level is calculated as the time-weighted energy total for noise pressure levels under various

working conditions with the following time distribution: 1/2 idle and 1/2 max. speed.

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

Type

Cutting attachment guard, Art. no.

 

 

 

Centre hole in blades/cutters, Ø 20 mm

Output shaft thread M12

 

 

 

 

Grass blade/grass cutter

Multi 255-3 (Ø 255 3 teeth)

502 26 34-03

 

 

Multi 300-3 (Ø 300 3 teeth)

502 26 34-03

 

 

 

 

Saw blade

Opti XS 200-22 (Ø 200 22 teeth)

502 27 22-01

 

 

Opti XS 225-22 (Ø 225 22 teeth)

502 03 94-05

 

 

 

 

Plastic blades

Polytrim Ø 300

503 91 60-03 / 502 26 34-03

 

 

 

Trimmer head

Trimmy S II

503 91 60-03

 

 

Auto 55

503 91 60-03

 

 

 

 

Support cup

Fixed

-

 

 

With ball bearing

-

 

 

 

 

30 – English

Image 30
Contents Operator’s manual EPA KEY to Symbols SymbolsContents Introduction Dear customerWhat is WHAT? What is what on the clearing saw? RS44What is what on the clearing saw? RS52 General Safety Precautions Personal protective equipmentMachine′s safety equipment Stop switchThrottle lock Quick release Cutting attachment guardVibration damping system MufflerLocking nut Locking screwCutting equipment Cutting equipmentSharpening grass cutters and grass blades Sharpening the saw blade Trimmer headAssembly Transport position, handlebarFitting a blade guard, grass blade and grass cutter Blade guard a is fitted using 4 screws L as shown Fitting the blade guard and saw bladeAdjusting the harness and clearing saw Fitting other guards and cutting attachmentsStandard harness Adjusting the harness Vector harnessCorrect balance Fuel safety Fuel HandlingFuel Fueling MixingStarting and stopping Starting and StoppingCheck before starting Cold engineStarting StoppingGeneral working instructions Basic safety rulesWorking Techniques ABC of clearingForestry clearing using a saw blade Brush cutting with a saw bladeGrass clearing using a grass blade Grass trimming with a trimmer headSweeping Maintenance CarburetorHigh speed jet H GR41, GR50, RS44 Fine adjustment of the idle speed TLow speed jet L High speed jet H RS52Cooling system Correctly adjusted carburetorMuffler Air filterCleaning the air filter Bevel gearSpark plug Maintenance schedule Maintenance Daily Weekly MonthlyTechnical Data Technical dataFederal Emission Control Warranty Statement Your Warranty Rights and ObligationsTrimmy SII Page ´z+R!o¶5*¨ Page 1150017-95 ´z+R!o¶5*¨ ´z+R!o¶5*¨

GR41/50 specifications

The Jonsered GR41/50 is a robust and versatile garden tractor designed for both commercial and residential use. Known for its reliability and efficient performance, this model has become a preferred choice among landscaping professionals and homeowners alike.

One of the standout features of the Jonsered GR41/50 is its powerful engine. It typically comes equipped with a 500cc gasoline engine that ensures optimal performance. This engine provides ample power for tackling a variety of tasks, from mowing large lawns to handling more demanding gardening activities. The automatic transmission allows for smooth and effortless operation, enabling users to focus on their gardening tasks without the distraction of manual gear shifting.

The GR41/50 boasts a robust cutting deck, usually available in multiple sizes, allowing users to select the right width for their specific needs. The cutting height can often be adjusted easily, ensuring precision lawn care while catering to different grass types and growing conditions. This feature is particularly useful for achieving a well-maintained and healthy lawn throughout the changing seasons.

In terms of technology, the Jonsered GR41/50 features advanced steering mechanisms, often with a tight turning radius, making it easy to navigate around obstacles in the garden. This agility enhances productivity and ensures that users can cover ground more efficiently. Additionally, many models come equipped with ergonomic seating and controls, promoting comfort during prolonged use and reducing operator fatigue.

Durability is another significant aspect of the Jonsered GR41/50. Built with high-quality materials, this garden tractor is designed to withstand the rigors of frequent use. The sturdy frame and reliable components contribute to its long lifespan, making it a wise investment for those seeking a reliable gardening machine.

Moreover, the GR41/50 often includes a range of attachments and accessories, such as plows, tow-behind trailers, and snow removal equipment, transforming it into a multi-functional tool for year-round use. This versatility not only maximizes its utility but also provides excellent value for users.

In summary, the Jonsered GR41/50 is a well-rounded garden tractor that combines power, technology, and durability. With its remarkable features, user-friendly design, and adaptability to various tasks, it stands out as a top choice for anyone looking to enhance their gardening and landscaping efficiency.