Ryobi 232RJ, 227RJ User Manual

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227RJ 232RJ 240RJ
Operator's manual
Read through the Operator‘s manual carefully and understand the content before using the machine.
101 91 68-26
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SYMBOL EXPLANATION
Symbols
max
10000 rpm
Read through the Operator‘s Manual carefully and understand the content before using the machine.
Always use
• A protective helmet where there is a risk of falling objects
• Ear protection
• Approved eye protection
• Max. speed of output axle, rpm
• Always wear approved protective gloves.
• Use anti-slip and stable boots.
• Only use non-metallic, flexible cutting elements, that is trimmer head with trimmer cord.
• Only intended for the trimmer head.
15 m
50FT
15 m
50FT
• This product is in accordance with applicable CE directives.
• Beware of thrown objects and ricochets.
• The operator of the machine shall ensure, while working, that no persons or animals come closer than 15 metres.
• Blade can thrust violently when coming in contact with any object. Blade thrust can cause amputation of arms or legs. Keep people and animals 50 feet away. Never use blades unless recommended handlebar, shoulder strap, attaching hardware and blade deflector are installed.
Other symbols/decals on the machine refer to special certification requirements for certain markets.
Checks and/or maintenance should be carried out with the engine switched off, with the stop switch in the STOP position.
Always wear approved protective gloves.
Regular cleaning required.
Ocular control.
2 – English
• Arrows which show limits for handle mounting.
Approved eye protection must always be used.
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CONTENTS
Husqvarna AB has a policy of continuous product development and therefore reserves the right to modify the design and appearance of products without prior notice.
WARNING!
!
Under no circumstances may the design of the machine be modified without the permission of the manufacturer. Always use genuine accessories. Non-authorised modifications and/or accessories can result in serious personal injury or the death of the operator or others.
List of contents
SYMBOL EXPLANATION
Symbols ............................................................................... 2
CONTENTS
List of contents .................................................................... 3
SAFETY INSTRUCTIONS
Personal protective equipment ............................................. 4
The machines safety equipment .......................................... 4
Control, maintenance and service of the machines safety
equipment...................................................................... 7
Cutting equipment .............................................................. 9
General safety instructions ................................................. 10
General working instructions............................................. 11
Basic working techniques................................................... 11
WHAT IS WHAT?
What is what on the trimmer?............................................ 13
ASSEMBLY
Assembling the J-handle .................................................... 14
Assembly of the blade and trimmer head............................ 14
Assembling the spray guard and trimmer head
Superauto II................................................................. 14
Assembling the blade guard and grass blade ....................... 15
Assembling other guards and cutting equipment................ 15
FUEL HANDLING
Fuel mixture ...................................................................... 16
Fuelling.............................................................................. 16
START AND STOP
Control before starting....................................................... 17
Start and stop..................................................................... 17
MAINTENANCE
Carburettor........................................................................ 18
Muffler .............................................................................. 20
Cooling system .................................................................. 20
Spark plug.......................................................................... 20
Air filter............................................................................. 21
Angle gear.......................................................................... 21
Maintenance schedule........................................................ 21
TECHNICAL DATA
227RJ ................................................................................ 23
232RJ ................................................................................ 23
240RJ ................................................................................ 23
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SAFETY INSTRUCTIONS
Personal protective equipment
MPORTANT INFORMATION
A clearing saw, brushcutter or trimmer used incorrectly or carelessly can become a dangerous tool, that can cause serious or fatal injury to the operator or others. It is extremely important that you read and understand the content of this manual.
When using a trimmer, personal protective equipment approved by the appropriate authorities must be used. Personal protective equipment does not eliminate the risk of accidents, however, it can reduce the effects of an injury in the event of an accident. Ask your dealer for help when choosing protective equipment.
WARNING!
!
GLOVES Gloves should be worn when necessary, e.g., when assembling cutting equipment.
EAR PROTECTION Ear protection offering sufficient dampening effect should be used.
EYE PROTECTION Blows from branches or objects thrown by the rotating cutting equipment can damage the eyes.
BOOTS Use anti-slip and stable boots.
Remove your hearing protection as soon as you stop the engine, so that you can hear any noises or warning signals.
The machines safety equipment
This section describes the machines safety equipment, its function and how checks and maintenance are carried out to ensure that it operates correctly. (See the chapter “What is what“ to locate where this equipment is positioned on your machine.)
WARNING!
!
Never use a machine with defective safety equipment. Follow the control, maintenance and service instructions described in this section.
1. Throttle trigger lock
The throttle trigger lock is designed to prevent the throttle from accidentally being engaged. When the trigger lock (A) is pressed into the handle (= when you hold the handle) the throttle (B) is released. When the grip on the handle is released the throttle and the throttle trigger lock return to their original positions. This takes place via two independent return spring systems. This means that the throttle is automatically locked in its “idling“ position.
A
B
A
B
2. Stop switch
The stop switch should be used to stop the engine.
"
CLOTHING Wear clothes made of a strong fabric and avoid loose clothing that can catch on shrubs and branches. Always wear heavy, long pants. Do not wear jewelry, short pants, sandals or go barefoot. Secure hair so it is above shoulder level.
FIRST AID KIT A first aid kit should be carried by operators of clearing saws, brushcutters or trimmers.
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SAFETY INSTRUCTIONS
3. Cutting attachment guard
This guard is intended to prevent objects from being thrown towards the operator and to protect the operator from unintentionel contact with the cutting attachment.
WARNING! Under no circumstances may the cutting
!
equipment be used without an approved guard fitted. See the c hapter
data
. If the wrong guard or a defective guard is fitted this can cause serious personal injury.
4. Vibration damping system
Your machine is equipped with a vibration damping system, which is designed to give as vibration-free and comfortable use as possible.
Use of incorrectly wound cord or incorrect cutting equipment increases the level of vibration.
The machine’s vibration damping system reduces the transfer of vibrations between the engine unit/ cutting equipment and the machine’s handle unit.
Technical
!
WARNING! Over exposure to vibrations can result in blood-vessel or nerve injury to persons suffering with blood circulation problems. Seek medical attention if you experience physical symptoms that can be related to over exposure to vibrations. Examples of such symptoms are “numbness“, lack of feeling, “tickling“, “pricking“, “pain“ lack of or a reduction in normal strength, changes in the colour of the skin or its surfaces. These symptoms normally appear in the fingers, hands or wrists.
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SAFETY INSTRUCTIONS
5. Muffler
The muffler is designed to give the lowest possible noise level and to direct the engine‘s exhaust fumes away from the operator. Muffler fitted with catalytic converter is also designed to reduce harmful exhaust components. In countries that have a warm and dry climate the risk of fire is obvious. We have therefore fitted certain mufflers with a spark arrest screen. Make sure that your muffler is fitted with this kind of screen. It is extremely important that the instructions for checking, maintaining and servicing the muffler are followed. (see the section Control, maintenance
and service of the machine‘s safety equipment“).
WARNING!
!
Mufflers fitted with catalytic converters become extremely hot during use and after stopping. This also applies at idling speeds. Contact can result in burns to the skin. Be observant to the risk of fire!
6. Cutting equipment
1) Grass blades are intended for brush cutting.
2) The trimmer head is intended for trimming grass.
7. Locking nut
A locking nut is used to secure some types of cutting equipment on the output shaft.
1
2
!
WARNING! Bear in mind that exhaust fumes:
contain carbon monoxide, which can cause carbon monoxide poisoning. Therefore never start or run the machine indoors.
are hot and can contain sparks that can cause fires. Never start the machine indoors or close to inflammable material.
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SAFETY INSTRUCTIONS
Control, maintenance and service of the machines safety equipment
IMPORTANT INFORMATION
All service and repairs to the machine require special training.
This applies especially to the machines safety equipment. If the machine does not meet any of the controls listed below you should contact your service workshop.
The purchase of one of our products guarantees that professional repair and servicing will be carried out on it. If the point of purchase is not one of our servicing dealers, please ask for details of the closest service workshop.
1. Throttle trigger lock
Check that the throttle is locked in the “idling position when the throttle trigger lock is in its original position.
Press in the throttle trigger lock and make sure it returns to its original position when released.
3. Cutting attachment guard
Ensure that the spray guard is undamaged and is not cracked.
Replace the guard if it has been exposed to impact or is cracked.
Always use the prescribed blade an guard combination, see chapter "Technical data".
4. Vibration damping system
Check the vibration damping element regularly for material cracks and distortion.
Check that the vibration damping element is undamaged and securely attached.
Ensure that the throttle and throttle trigger lock move easily and that their return spring systems function.
See section "Start". Start the machine and apply full throttle. Release the throttle and check that the cutting equipment stops and remains at a standstill. If the cutting equipment rotates with the throttle in the idling position then the carburettors idling setting must be checked. See chapter
Maintenance“.
2. Stop switch
Start the engine and make sure that the engine stops when the stop switch is moved to the stop position.
#
5. Muffler
1.Never use a machine that has a defective muffler.
2.Check regularly that the muffler is secure.
3.If your muffler is fitted with a spark arrest screen then it should be cleaned regularly. A blocked screen leads to the engine overheating with serious damage as a result. Never use a muffler with a defective spark arrest screen.
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SAFETY INSTRUCTIONS
6. Cutting equipment
This section describes how through correct maintenance and through using the right type of cutting equipment you can:
Reduce the machines tendency to kickback
Obtain maximum cutting capacity.
Increase the service life of the cutting equipment.
The three basic rules:
1)Only use the cutting and guard equipment we recommend! See chapter Technical
data“.
2)Keep the blades teeth well and correctly sharpened! Follow our instructions and use the recommended filing gauge. An incorrectly sharpened or damaged blade increases the risk of an accident.
3)Check the cutting equipment with regard to damage and crack formation. Damaged cutting equipment should always be replaced.
7. Locking nut
Protect your hand from injury when assembling, use the blade guard as protection when tightening with a socket spanner. Tighten the nut by turning against the direction of rotation. Loosen the nut by turning in the direction of rotation. (NOTE! the nut has a left-hand thread).
Tighten the nut using a socket spanner, 35 - 50 Nm (3.5 - 5 kpm).
NOTE!
The locking nuts nylon lock must not be so worn that it can be turned by hand. The lock shall hold at least 1.5 Nm. The nut should be replaced after it has been put on approx. 10 times.
WARNING! Never use a machine with defective
!
safety equipment. The safety equipment should be maintained as described in this section. If your machine does not meet any of these controls you should contact your service workshop.
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SAFETY INSTRUCTIONS
Cutting equipment
IMPORTANT INFORMATION
The section describes how through correct maintenance and through using the right type of cutting equipment you can reduce the machine‘s tendency to kickback, obtain maximum clearing capacity and increase the service life of the cutting equipment.
Only use the cutting and guard equipment we recommend! See chapter
Refer to the instructions for the cutting equipment for the correct winding of cord and for the selection of the right cord diameter.
Keep the blades teeth well and correctly sharpened! Follow our recommendations. Also refer to the instructions on the blade packaging.
WARNING! Incorrect cutting equipment or an
!
incorrectly sharpened blade increases the risk of kickback.
Filing the grass blade
See the cutting equipments packaging for correct filing instructions.
Technical data“.
Generally smaller machines require a small trimmer head and vice versa. This is because when clearing using a cord the engine must throw out the cord radially from the trimmer head and also meet resistance from the grass being cleared.
The length of the cord is also important. A longer cord requires greater engine power than a shorter cord of the same diameter.
Make sure the knife positioned 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 few days. This will make the line tougher and it will keep longer.
IMPORTANT INFORMATION Always ensure the trimmer cord is wound tightly
and evenly around the drum, otherwise harmful vibrations will occur.
WARNING!
!
Always stop the engine before starting work on any part of the cutting equipment. This continues to rotate even after the throttle has been released. Ensure that the cutting equipment has stopped completely and remove the cable from the spark plug before you start to work on it.
The blades are sharpened using a single cut flat file.
Sharpen all edges equally to maintain the balance of the blade.
Trimmer head
Only use a trimmer head and trimmer cord that is recommended. 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 cutting equipment we recommend! See chapter
Technical data“.
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SAFETY INSTRUCTIONS
General safety instructions
Fuel safety
Always use a fuel container with an anti-spill valve.
Never fill the machine while the engine is running. Always stop the engine and let it cool for a few minutes before refuelling.
Provide good ventilation when filling or mixing fuel (petrol and 2-stroke oil).
Move the machine at least 3 m from the filling position before starting.
Never start the machine:
a)If you have spilt fuel on it.
Wipe up all spillage.
b)If you have spilt fuel on
yourself or your clothes. Change your clothes.
c)If there is a fuel leak.
Make regular checks for leakage from the fuel cap and the fuel supply pipes.
Transport and storage
Store and transport the machine and fuel so that any leakage or fumes do not risk coming into contact with sparks or naked flames. For example, electric machines, electric motors, electrical switches/power switches, heaters or the like.
When storing and transporting fuel approved containers intended for this purpose must be used.
When storing the machine for long periods the fuel tank must be emptied. Contact your local petrol station to find out how to dispose of excess fuel.
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SAFETY INSTRUCTIONS
General working instructions
IMPORTANT INFORMATION
This section takes up the basic safety precautions for working with the trimmer.
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.
Basic safety precautions
1.Observe your surroundings:
To ensure that people, animals or other things cannot affect your control of the machine.
To ensure that the above mentioned do not come into contact with the cutting equipment or objects that can be thrown by the cutting equipment.
NOTE! Never use a machine without the possibility of calling for help in the event of an accident.
Basic working techniques
Always drop to idling speed after each working operation. Longer periods running at full throttle without loading the engine (that is without resistance, which the engine feels from the cutting equipment when trimming) can lead to serious engine damage.
Designations
Brush cutting is a general term for clearing grass. Grass blades are used for this purpose.
Grass trimming is a general term for light clearing, e.g. around edges or around trees. A trimmer head or plastic blade is used.
WARNING!
!
Sometimes branches, grass or wood can get caught between the guard and cutting equipment. Always stop the engine when cleaning.
2.Avoid usage in unfavourable weather conditions. For example, thick fog, heavy rain, strong winds or extreme cold, etc. To work in bad weather conditions is tiring and can create dangerous circumstances, e.g. slippery surfaces.
3.Make sure you can walk and stand safely. Look out for any obstacles with unexpected movement (roots, stones, branches, pits, ditches, etc.). Take great care when working on sloping ground.
4.The engine should be switched off before moving. When moving over longer distances and transporting the transport guard should be used.
5.Never put the machine down with the engine running unless you have good sight of it.
Brush cutting using a grass blade
A blade is used for all types of high or thick grass.
The grass is cut down with a sideways, swinging movement, where the movement from right-to­left is the clearing stroke and the movement from left-to-right is the return stroke. Let the blade work on the left-hand side (between 8 and 12 oclock).
If the blade is angled to the left when clearing the grass will collect in a line, which makes collection easier, e.g. when raking.
Try to work rhythmically. Stand firmly with your feet apart. Move forward after the return stroke and stand firmly again.
Let the support cup rest lightly against the ground. It is used to protect the blade from hitting the ground.
Reduce the risk of material wrapping around the blade by following these instructions: a) Always work at full throttle. b) Avoid the previously cut material during the return stroke.
Stop the engine, loosen the harness and place the machine on the ground before you start to collect the cut material.
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SAFETY INSTRUCTIONS
Trimming
The trimmer is ideal to cut grass that is difficult to reach using a normal lawn mower. Keep the cord parallel to the ground when cutting. Avoid pressing the trimmer head against the ground as this can ruin the lawn and damage the tool.
Do not allow the trimmer head to constantly come into contact with the ground during normal cutting procedures. Constant contact can cause damage and wear to the trimmer head.
Sweeping
The rotating cords fanning effect can be used for quick and easy cleaning. Hold the cord parallel to and above the area to be swept and move the trimmer from side to side.
When cutting and sweeping you should use full throttle to obtain the best results.
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Page 13
WHAT IS WHAT?
What is what on the trimmer?
1. Trimmer head
2. Grease filler cap
3. Angle gear
4. Spray guard
5. Shaft
6. Loop handlebar
7. Throttle
8. Stop switch
9. Throttle trigger lock
10. Suspension for harness
11. Cylinder cover
12. Starter handle
13. Fuel tank
14. Choke
15. Air purge
16. Air filter cover
17. Clutch cover
18. Handlebar adjustment
19. Locking nut
20. Support flange
21. Drive disc
22. Transport guard
23. Socket spanner
24. Operator‘s Manual
25. Harness
26. Allen key
27. Locking pin
28. Support cup
29. Blade
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Page 14
ASSEMBLY
Assembling the J-handle
Unscrew the handle and plastic cover from the handlebar bracket.
Place the loop handlebar with the handlebar holder on the handlebar bracket. Fit the handle and plastic cover. Do not tighten too tight.
Put on the harness and hang the trimmer in the suspension hook. Now finely adjust so that the trimmer gives a comfortable working position when it‘s attached to the harness. Tighten the handle.
Assembling the spray guard and trimmer head Superauto II
Fit the guard (A) intended for use with the trimmer head. Secure using the 4 bolts (L) and the support plate (M) as set out in the diagram.
Fit the drive disc (B) on the output axle.
Turn the blade axle until one of the holes in the drive disc aligns with the hole in the gear housing.
Insert the locking pin (C) in the hole so that the axle is locked.
The trimmer head must be split to be fitted (see the diagram). Proceed as follows:
G
F
I
M
L
K
J
I
K
B
C
WARNING Only grass blades or trimmer heads/
!
plastic blades may be used when the J­handle is fitted. Clearing blades must never be used with the J-handle.
Assembly of the blade and trimmer head
It is extremely important that the disc drive’s/support flange’s guide engages correctly in the cutting equipment’s centre hole when assembling the cutting equipment. Cutting equipment assembled incorrectly can result in serious and/or fatal personal injury.
WARNING! Under no circumstances may the cutting
!
equipment be used without an approved guard fitted. See the chapter
data
. If the wrong guard or a defective guard is fitted this can cause serious personal injury.
Technical
Insert your finger into the centre hole of the cover (I) at the same time as you hold the cover with your other fingers. Press the two catches (J) that extend from the cut-out on the bottom section (K) using the thumb and index finger of your other hand. Press apart the trimmer head using the fingers on the cover.
Place the cover (I) and the support flange (F) on the output axle.
Fit the nut (G). The tightening torque of the nut is 35-50 Nm (3,5-5 kpm). Use the socket spanner in the tool kit. Hold the handle of the spanner as close to the
trimmer guard as possible. The nut is tightened when the spanner is turned against the direction of rotation (left-hand thread).
Fit the trimmer heads bottom section (K) on the cover (I) by pressing the two sections together with the cut-outs on the bottom section aligned with the catches on the cover.
To dismantle follow the instructions in the reverse order.
A
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Page 15
ASSEMBLY
Fit the guard (A) intended for use with the trimmer head. Secure using four bolts (L) and the support plate (M) as shown in the diagram.
A
L
B
Fit the disc drive (B) on the output axle.
Turn the blade axle until one of the disc drive’s holes aligns with the corresponding hole in the gear housing.
Insert the locking pin (C) into the hole to lock the axle.
Screw on the trimmer head (H) in the direction of rotation.
C
M
Dismantling takes place in the reverse order.
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Page 16
FUEL HANDLING
Fuel mixture
NOTE!
The machine is fitted with a two-stroke engine and must always be run on a mixture of petrol and two-stroke oil. It is important to measure the quantity of oil accurately, to ensure the correct mixture ratio. Small discrepancies in the amount of oil have a great bearing on the proportions of the fuel mixture when mixing small amounts of fuel.
WARNING!
!
Petrol
NOTE! Always use an oil-mixed quality petrol (at least 90 octane). If your machine is equipped with a catalytic converter, (see “technical data”) an unleaded, oil mixed quality petrol should always be used. A leaded petrol will destroy the catalytic converter
The lowest recommended octane rating is 90. If you run the engine on a petrol with a lower octane rating than 90 so-called knocking can occur. This leads to an increased engine temperature, which can result in a serious engine breakdown.
When working at continuous high revs a higher octane rating is recommended.
Two-stroke oil
For the best results use HUSQVARNA two-stroke oil, which has been specially produced for clearing saws and chain saws. Mixing ratio 1:50 (2%).
Always provide good ventilation when handling fuel.
Mixture
Always mix petrol and oil in a clean container intended for petrol.
Always start by filling half the quantity of petrol required. Then add the entire oil quantity. Mix (shake) the fuel mixture. Fill the remaining quantity of petrol.
Mix (shake) the fuel mixture carefully before filling in the machines fuel tank.
Do not mix more than max. one months supply of fuel.
If the machine is not used for a long period of time, the fuel
tank should be emptied and cleaned.
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 handling the saw near flammable substances or vapours.
Fuelling
WARNING!
!
Clean around the fuel cap. Contamination in the tank can disrupt operations.
Ensure that the fuel is well mixed by shaking the container before filling the tank.
The following precautions reduce the risk of fire: Do not smoke or place any sources of heat in the vicinity of the fuel. Never refuel when the engine is running. Always stop the engine and let it cool for a few minutes before refuelling. Open the fuel cap slowly when fuelling so that any over pressure is released slowly. Tighten the fuel cap carefully after refuelling. Always move the machine from the fuelling place before starting.
Min. 3 m (10 ft)
If HUSQVARNA two-stroke oil is not available you can use a high quality two-stroke oil intended for air cooled engines. Contact your dealer when selecting an oil. Mixing ratio: 1:33 (3%).
Never use two-stroke oil intended for water cooled outboard motors, so-called outboard motor oil.
Never use oil intended of four-stroke engines.
16 – English
Gasolin
Benzin Essence Gasolina
Lit.
5 10 15 20
US
gallon
1
2 1/2
5
Huile Aceite
2% (1:50)
0,10 0,20 0,30 0,40
2% (1:50)
2 1/2 6 1/2
12 7/8
Oil Öl
Lit.
US
fl. oz.
3% (1:33)
0,15 0,30 0,45 0,60
3% (1:33)
3 3/4 9 3/4
19 1/4
Page 17
START AND STOP
Control before starting
For reasons of safety follow these recommendations!
Check the blade to ensure that no cracks have formed at the bottom of the teeth or by the centre hole. The most common reason why cracks are formed is that sharp corners have been formed at the bottom of the teeth while sharpening or that the blade has been used with dull teeth. Discard a blade if cracks are found.
Check that the support flange is not cracked due to fatigue or due to being tightened too much. Discard the support flange if it is cracked.
Ensure the locking nut has not lost its captive force. The nut lock should have a locking force of at least
1.5 Nm. The tightening torque of the locking nut should be 35-50 Nm.
Check that the guard is not damaged or cracked. Replace the guard if it is exposed to impact or is cracked.
Check that the trimmer head and spray guard are not damaged or cracked. Replace the trimmer head or spray guard if they are exposed to impact or are cracked.
Never use the machine without a guard or spray guard nor with a defective guard.
Start and stop
WARNING! The complete clutch cover with shaft must
!
be fitted before the machine is started, otherwise the clutch can become loose and cause personal injury. Always move the machine from the filling area before starting. Place the machine on a flat surface. Ensure the cutting equipment cannot come into contact with any object. Make sure no unauthorised persons are in the working area, otherwise there is a risk of serious personal injury. The safety distance is 15 metres.
Cold engine
IGNITION: Set the stop switch to the start position. CHOKE: Set the choke control in the choke position. AIR PURGE: Press the air purge diaphragm repeatedly until fuel begins to fill the diaphragm. The diaphragm need not be completely filled.
Warm engine
Use the same starting procedure as for the cold engine, but do not set the choke control in the choke position. The start throttle position is obtained by setting the choke control in the choke position and then returning it to its original position.
Stop
The engine is stopped by switching off the ignition.
WARNING!
!
Start
Press the machine body against the ground using your left hand (NOTE! Not your foot). Grip the starter handle, slowly pull out the cord with your right hand until you feel some resistance (the starter pawls grip), now quickly and powerfully pull the cord. Reset the choke control as soon as the engine fires and repeat until the engine starts. When the engine starts quickly apply full throttle and the start throttle will automatically disengage. NOTE! Do not pull the starter cord out completely and do not release the starter cord from the fully extended position. This can damage the machine.
When the engine is started with the choke in the choke or start position the cutting equipment starts to rotate immediately.
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Page 18
MAINTENANCE
Carburettor
Your Husqvarna product has been designed and manufactured to specifications that reduce harmful emissions. After your unit has been run 8-10 tanks of fuel the engine has broken in. To ensure that your unit is at peak performance and producing the least amount of harmful emissions after break in, have your authorized servicing dealer, who has a revolution counter at his disposal, to adjust your carburettor for optimum operating conditions.
WARNING! The complete clutch cover with shaft
!
Operation
The carburettor governs the engines speed via the throttle. Air/fuel is mixed in the carburettor. The air/fuel mixture is adjustable. To take advantage of the engine‘s optimal output the adjustment must be correct.
The setting of the carburettor means that the engine is adapted to local conditions, for example, the climate, altitude, petrol and the type of 2-stroke oil.
The carburettor is equipped with three adjustment possibilities:
L = Low speed needle H = High speed needle T = Idle speed adjuster
screw
The fuel quantity in relation to the air flow permitted by the throttle opening is adjusted using the L and H-needles. Turning the needles clockwise gives a leaner fuel mixture (less fuel) and turning them anti-clockwise gives a richer fuel mixture (more fuel). A leaner mixture gives high revs while a richer mixture give less revs.
The T-screw regulates the position of the throttle while the engine is idling. Turning the screw clockwise gives a higher idling speed while turning it anti-clockwise gives a lower idling speed.
must be fitted before the machine is started, otherwise the clutch can become loose and cause personal injury.
Basic setting
The carburettor is set to its basic setting when test run at the factory. The basic setting is richer than the optimal setting and should be kept during the machines first working hours. Thereafter the carburettor should be finely adjusted. Fine adjustment should be carried out by a skilled technician.
NOTE! If the cutting attachment rotates/moves while the engine is idling the T-screw should be turned anti-clockwise until the cutting attachment stops.
Rec. idling speed: 2 700 rpm.
Recommended max. speed: See technical data”.
WARNING!
!
If the idling speed cannot be adjusted so that the cutting attachment stops, contact your service workshop. Do not use the machine until it has been correctly adjusted or repaired.
Fine adjustment
When the machine has been run-in the carburettor should be finely adjusted. The fine adjustment should be carried out by qualified person. First adjust the L-jet, then the idling screw T and then the H-jet.
Conditions
Before any adjustments are made the airfilter should be clean and the airfilter cover fitted. Adjusting the carburettor while a dirty airfilter is in use will result in a leaner mixture when the filter is finally cleaned. This can give rise to serious engine damage.
Carefully turn the L and H needle to the mid point between fully turned in and fully turned out.
Do not attempt to adjust the needles beyond the stops as damage can occur.
Now start the machine according to the starting instructions and run it warm for 10 minutes.
NOTE! If the cutting attachment rotates/moves the T screw should be turned anti-clockwise until the cutting attachment stops.
Low speed needle L
Try to find the highest idling speed, turning the low speed needle L clockwise respectively counter­clockwise. When the highest speed has been found, turn the low speed needle L 1/4 turn counter-clockwise. NOTE! If the cutting attachment rotates/moves in the idling position, turn the idling speed screw T counter-clockwise until the cutting attachment stops.
L
+ 1/4
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Page 19
MAINTENANCE
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Page 20
MAINTENANCE
Muffler
NOTE!
Some mufflers are fitted with a catalytic converter. See Technical data to see whether your machine is fitted with a catalytic converter.
The muffler is designed to dampen the noise level and to direct the exhaust fumes away from the user. The exhaust fumes are hot and can contain sparks, which can result in fire if the exhaust fumes are directed towards a dry and inflammable material. Some mufflers are equipped with a special spark arrest screen. If your machine is fitted with this type of screen it should be cleaned regularly. This is done using a wire brush. On mufflers without a catalytic converter the screen should be cleaned weekly, or replaced if necessary. On mufflers fitted with a catalytic converter the screen should be checked and cleaned monthly. If the
screen is damaged it should be replaced. If the screen is
frequently blocked, this can be a sign that the function of the catalytic converter is impaired. Contact your dealer to inspect the muffler. A blocked screen will cause the engine to overheat resulting in damage to the cylinder and piston. Also see under Maintenance.
NOTE!
Never use a machine with a defective muffler.
Cooling system
To maintain as low opera­ting temperature as possible the engine is equipped with a cooling system. The cooling system consists of:
1.An air intake on the starter unit.
2.Cooling fins on the flywheel.
3.Cooling fins on the cylinder
4.Cylinder cover (leads cold air onto the cylinder).
Clean the cooling system using a brush at least once a week, in difficult conditions more often.
A dirty or blocked cooling system leads to the engine overheating resulting in damage to the cylinder and piston.
Spark plug
The condition of the spark plug is affected by:
An incorrect carburettor setting.
An incorrect fuel mixture (too much or faulty oil).
A dirty air filter.
These factors cause deposits on the spark plug electrode that may result in malfunction or starting
difficulties.
4
3
2
1
0,5 mm
!
20 – English
WARNING! Mufflers fitted with catalytic converters become extremely hot during use and after stopping. This also applies at idling speeds. Contact can result in burns to the skin. Be observant to the risk of fire!
If the machine is low on power, difficult to start or runs poorly while idling always check the spark plug first.
If the spark plug is dirty, clean it and at the same time check that the electrode gap is 0.5 mm. The spark plug should be changed after about one month of operation or earlier if necessary. NOTE! Always use the recommended type of spark plug. An incorrect spark plug can damage the cylinder/piston.
Page 21
MAINTENANCE
Maintenance schedule
Below follows some general maintenance instructions. If you need further information please contact your service workshop.
Daily maintenance
1.Clean the outside of the machine.
2.Make sure the throttle trigger lock and the throttle function correctly from a safety point of view.
3.Check that the stop switch functions.
4.Check that the cutting head does not rotate while idling.
5.Clean the air filter. Replace if necessary.
6.Check that the guard is undamaged and not cracked. Replace the guards if they have been exposed to impact or are cracked.
7.Check that the trimmer head is undamaged and not cracked. Replace the trimmer head if necessary.
8.Check that the locking nut is tight.
9.Check that all nuts and screws are tightened.
10. Make sure the harness is not damaged.
11. Check that the blade is well centred, is sharp, and is not cracked. An uncentred blade causes vibrations that can result in damage to the machine.
12. Check that the blade‘s transport guard is intact and that it can be secured correctly.
English – 21
Page 22
MAINTENANCE
Weekly maintenance
1.Check the starter, the starter cord and the return spring.
2.Make sure that the vibration damping elements are not damaged.
3.Clean the outside of the spark plug. Remove and check the electrode gap. Adjust the gap to 0.5 mm or change the spark plug.
4.Clean the cooling fins on the flywheel.
5.Clean or replace the mufflers spark arrest screen (not on mufflers with a catalytic converter).
6.Clean the carburettor area.
7.Clean the cooling fins on the cylinder and check that the air intake in the starter unit is not blocked.
1
maintenance
1.Clean the fuel tank.
1
2
Monthly
2.Clean the carburettor and the area surrounding it.
3.Clean the fan and the area
3
around it.
4.Check the fuel filter and the fuel pipe, replace if necessary.
3
2
4
5
4
5
6
5.Check all cables and connections.
6.Check the clutch, clutch springs and the clutch drum with regard to wear. Replace if necessary.
7.Change the spark plug.
6
7
8.Check and clean the
7
mufflers spark arrest screen if necessary (only mufflers with a catalytic converter).
8
8.Check that the angle gear is 3/4 filled with grease. Fill if necessary using special grease.
8
22 – English
Page 23
TECHNICAL DATA
Technical data
Engine
Cylinder capacity, cm Cylinder bore, mm Stroke length, mm Idling speed, rpm Recommended max. speed, rpm Speed of output axle, rpm Max. engine output, acc. to ISO 8893 Catalytic converter muffler Speed-regulated ignition system
Ignition system
Manufacturer/type of ignition system Spark plug Electrode gap, mm
Fuel lubrication system
Manufacturer/type of carburettor Fuel tank capacity, litres
Weight
Weight without fuel, cutting tool and guard, kg
3
227RJ
26,9 35 28 2 700 11 000-11 700 10 000 1,0 kW/9 000 rpm Yes Yes
Walbro CD Champion RCJ 7Y 0,5
Walbro WT 0,5
6,0
232RJ
30,8 35 32 2 700 11 000-11 700 10 000 1,1 kW/8 400 rpm Yes Yes
Walbro CD Champion RCJ 7Y 0,5
Walbro WT 0,5
6,4
240RJ
36,3 38 32 2 700 11 000-11 700 10 000 1,3 kW/9 000 rpm Yes Yes
Walbro CD Champion RCJ 7Y 0,5
Walbro WT 0,5
6,4
Noise levels
Equivalent noise pressure level at the user’s ear, measured according to EN 11806 and ISO 7917, dB(A), min/max: Equivalent noise power level at the user’s ear, measured according to EN 11806 and ISO 10884, dB(A), min/max:
Vibration levels
Vibration levels on the handles, measured according to EN 11806 and ISO 7916, m/s When idling, left/right handles, min: When idling, left/right handles, max: At max. speed, left/right handles, min: At max. speed, left/right handles, max:
NOTE!
Noise and vibration measurements are made with all the machine’s approved cutting equipment fitted. The table indicates the highest and lowest values.
93/98
103/109
3,1/2,8 3,5/4,0 2,6/3,3 4,6/5,1
92/98
103/108
2,2/2,0 3,0/3,0 4,5/2,5 6,5/4,5
98/101
106/112
3,1/3,0 4,0/3,8 6,4/8,2 7,7/11,0
English – 23
Page 24
TECHNICAL DATA
Approved accessories 227RJ
Thread blade shaft M10 Plastic knifes Grass blade
Trimmer head
Approved accessories 232RJ, 240RJ
Thread blade shaft M10 Plastic knifes Grass blade
Trimmer head
Type
Tricut300 mm Multi 255-3 Grass 255-4 Grass 255-8 Trimmy H II Trimmy Fix Trimmy Hit Pro Superauto II
Type
Tricut300 mm Multi 255-3 Multi 275-4 Grass 255-4 Grass 255-8 Trimmy H II Trimmy Fix Trimmy Hit Pro Superauto II
Cutting attachment guard Art No.
503 74 50-01 503 74 40-01 503 74 40-01 503 74 40-01 503 74 50-01 503 74 50-01 503 74 50-01 503 74 50-01
Cutting attachment guard Art No.
503 74 50-01 503 74 40-01 503 74 40-01 503 74 40-01 503 74 40-01 503 74 50-01 503 74 50-01 503 74 50-01 503 74 50-01
EU declaration of conformity (Only applies to Europe)
(Directive 89/392/EEC, Annex II, A)
We, Husqvarna AB, S-561 82 Huskvarna, Sweden, tel: +46 36-146500, declare under sole responsibility that the clearings saws Husqvarna 227RJ, 232RJ and 240RJ from 1998’s serial numbers and onwards (the year is clearly stated in plain text on the type plate with subsequent serial number), are in conformity with the following standards or other normative documents following the provisions in the COUNCIL’S DIRECTIVES:
- of June 14 1989 relating to machinery89/392/EEC and applicable supplements.
- of May 3 1989 relating to electromagnetic compatibility89/336/EEC, and applicable supplements. The following standards have been applied: EN292-2, EN ISO 11806.
SMP Svensk Maskinprovning AB, Fyrisborgsgatan 3 S-754 50 Uppsala, Sweden, has carried out voluntary type approval for Husqvarna AB. The certificates are numbered: SEC/98/632– 227RJ, SEC/94/022 – 232RJ, SEC/98/611– 240RJ.
Huskvarna 25 November 1999
Bo Andréasson, Development manager.
24 – English
Page 25
Super Auto II Super Auto II 1
1
3
4
2
5
6
9
7
8
10
English – 25
Page 26
Tri Cut
1
3
4
>20mm
2
5
6
8
7
26 – English
Page 27
Trimmy H II
1
3
2,0-2,4 mm
.080-.095"
2
4
15 cm 6"
5
8
7,5 m 25'
6
~ 3,7 m 12'
7
9
2
15 cm 6"
1
English – 27
Page 28
Trimmy Hit
1
5
23
Click
7,0 m 23'
4
6
7
10
8
9
Click
11
28 – English
Page 29
Trimmy Hit Junior
1
5
2
6
3
4
~ 2,8 m 9'
5,75 m 19'
15 cm 6"
2,0-2,4 mm
.080-.095"
7
10
15 cm 6"
1.)
8
2.)
Click
11
9
12
15 cm 6"
English – 29
Page 30
Trimmy Hit Pro
1
5
6
2
3
4
~ 3,7 m 12'
7,5 m 25'
15 cm 6"
2,0-2,4 mm
.080-.095"
7
10
15 cm 6"
1.)
8
2.)
Click
11
9
12
15 cm 6"
30 – English
Page 31
Trimmy Hit VI
1
5
2
6
3
4
7
10
8
9
11
English – 31
Page 32
Trimmy SII
1
3
4
2
7,0 m
23'
~ 3,5 m
11'
2,4-3,3 mm
.095"-.130"
12 cm
5"
5
8
~ 15 cm
6'
6
7
"Clic"
9
35-50 NM
32 – English
Page 33
~ 15 cm
6'
English – 33
Page 34
´*30r¶6<¨
Page 35
English 35
Page 36
´*30r¶6<¨
2001W19
Page 37
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