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► If you are unsure: Consult a STIHL servic‐

ing dealer.

4.6.2

Deflector

The deflector is in a safe condition if the following

points are observed:

The deflector is not damaged.

If you are using the line limiting blade and

skirt: Line limiting blade and skirt are correctly

fitted.

WARNING

■ If components do not comply with safety

requirements, they will no longer function

properly and safety devices may be rendered

inoperative. This can result in serious injuries.

► Work only with an undamaged deflector.

► If you are using the line limiting blade and

skirt: Work with a correctly fitted line limiting

blade and skirt.

► If you have any queries: Contact your

STIHL servicing dealer.

4.6.3

Mowing Head

The mowing head is in a safe condition if the fol‐

lowing points are observed:

The mowing head is not damaged.

The mowing head is not jammed.

The mowing lines are properly installed.

The wear limits are not exceeded.

WARNING

■ If they are in an unsafe condition, parts of the

mowing head or mowing lines may come off

and be ejected at high speed. They may

cause serious injury to persons.

► Work only with an undamaged mowing

head.

► Never use metal objects in place of the

nylon mowing lines.

► Observe and remain inside the wear limits.

► If you have any doubts, be sure to consult a

STIHL dealer.

4.6.4

Metal cutting attachment

The metal cutting attachment is in a safe condi‐

tion if the following points are observed:

Metal cutting attachment and mounting hard‐

ware are undamaged.

Metal cutting attachment is not warped.

Metal cutting attachment is properly mounted.

Metal cutting attachment is correctly sharp‐

ened.

Cutting edges of the metal cutting attachment

have no burrs.

The wear limits are not exceeded.

If a metal cutting attachment not manufactured

by STIHL is used, it must not be heavier,

thicker, of a different shape, of a lower quality,

or larger in diameter than the largest metal

cutting attachment approved by STIHL.

WARNING

■ If it is not in an safe condition, parts of the

metal cutting attachment may come off and be

thrown at high speed. They may cause serious

injury to persons.

► Never work with a damaged metal cutting

attachment or damaged mounting hard‐

ware.

► Sharpen the metal cutting attachment cor‐

rectly.

► Deburr the cutting edges with a file.

► Have the metal cutting attachment bal‐

anced by a STIHL servicing dealer.

► Observe and remain inside the wear limits.

► Use a metal cutting attachment specified in

these instructions for use.

► If you have any doubts, be sure to consult a

STIHL dealer.

4.7

Fuel Mixture and Refueling

WARNING

■ This brushcutter requires a fuel mixture of gas‐

oline and two-stroke engine oil. Mixed fuel and

gasoline are extremely flammable. If fuel mix‐

ture or gasoline make contact with open fire or

hot objects, they can cause a fire or explo‐

sions. Persons may be seriously or fatally

injured and property may be damaged.

► Protect fuel mixture and gasoline from heat

and fire.

► Do not spill fuel mixture or gasoline.

► If fuel is spilled: Wipe up fuel with a cloth

and do not attempt to start engine until all

parts of the brushcutter are dry.

► Do not smoke.

► Never refuel near a fire.

► Shut off the engine and allow it to cool

down before refueling.

► Start the engine at least 3 meters from the

fueling spot, outdoors only.

■ Inhaling fuel fumes and gasoline fumes can

have toxic effects.

► Avoid inhaling fuel fumes or gasoline

fumes.

► Refuel in a well-ventilated location.

■ The brushcutter becomes hot during opera‐

tion. The fuel expands and excess pressure

can build up in the tank. Fuel can escape as a

spray when the fuel tank cap is opened. The

4 Safety Precautions

English

0458-507-0121-B

7

Summary of Contents for FS 235

Page 1: ...FS 235 Instruction Manual 2 23...

Page 2: ...s tainable and responsible handling of natural resources This user manual is intended to help you use your STIHL product safely and in an environmentally friendly manner over a long service life We th...

Page 3: ...ontrol For starting running and stopping the engine 16 Throttle Trigger Lockout Unlocks the throttle trigger 17 Throttle Trigger Controls engine speed 18 Carrying Ring For attaching carrying system 19...

Page 4: ...is started with the choke lever in this position Engine is made ready for start with the choke lever in this position This symbol shows the direction of rotation of the cutting attachment This symbol...

Page 5: ...able to recognize and assess the risks involved in using the trimmer The user must be of legal age or is being trained in a trade under supervi sion in accordance with national rules and regulations T...

Page 6: ...lammable materials 4 6 Safe Condition 4 6 1 Brushcutter The brushcutter is in a safe condition if the fol lowing points are observed The brushcutter is not damaged There is no fuel leaking from the tr...

Page 7: ...al cutting attachment not manufactured by STIHL is used it must not be heavier thicker of a different shape of a lower quality or larger in diameter than the largest metal cutting attachment approved...

Page 8: ...a ted or has aged Before refueling the brushcutter Thor oughly mix the fuel Use a mixture of gasoline and two stroke engine oil that is not older than 30 days STIHL MotoMix 5 years 4 8 Working WARNING...

Page 9: ...may be seriously injured Wait until the cutting attachment comes to a complete stop In an emergency the user may start to panic and forget to take off the carrying system This may result in serious in...

Page 10: ...cutting attach ment is not maintained or repaired as descri bed in this User Manual components may no longer function properly or safety devices may be rendered inoperative This can result in serious...

Page 11: ...ol handle 7 Remove the screw 9 Position the control handle 7 on the handle bar 3 so that the hole of the control han dle 7 is flush with the handlebar 3 and the throttle trigger 8 is facing the gear h...

Page 12: ...down the mowing head 1 firmly by hand Remove the stop pin 4 6 5 2 Removing the Mowing Head Shut off the engine Insert the stop pin in the bore as far as stop and hold it depressed Rotate the mowing he...

Page 13: ...ll harness 3 Adjust the shoulder strap 1 or full harness 3 so that the carabiner 2 is about a hand s width below your right hip 7 2 Adjusting the Bike Handle The bike handle can be set to different po...

Page 14: ...r Brazil 27 Make sure the two stroke engine oil you are using meets requirements Depending on the desired amount of fuel determine the correct amounts of two stroke engine oil and gasoline in a mixing...

Page 15: ...00 GXX 6451 A0 1 5 3 4 Press the manual fuel pump bulb 1 at least five times Move the choke lever 2 to position Press down the throttle trigger lockout 4 and hold it there Pull the throttle trigger 3...

Page 16: ...the choke lever to position The engine stops Do not use your trimmer and contact your STIHL dealer for assistance There is a malfunction in the slide control 10 Testing the Trimmer 10 1 Checking the C...

Page 17: ...with your the left hand on the left handle wrap your thumb around the handle 11 3 Mowing The cutting height is determined by the distance of the cutting attachment from the ground A B 0000 GXX 4731 A...

Page 18: ...mer properly balanced by the drive tube with the cutting attachment behind you Transporting the trimmer in a vehicle Secure the trimmer to prevent turnover and movement 14 Storing 14 1 Storing the Bru...

Page 19: ...with the cutting attachment you are using 17 Repairing 17 1 Repairing the Trimmer and Cutting Attachment The trimmer and cutting attachment cannot be repaired by the user If the trimmer or cutting att...

Page 20: ...tighten down the spark plug 2 firmly Press the spark plug boot 1 firmly home 18 4 Standard Setting Shut off the engine 0000 GXX 2946 A0 H L Turn the high speed screw H counterclock wise as far as stop...

Page 21: ...accelerates Back off the screw 3 1 5 turns counterclock wise The engine idles and the throttle cable adjust ment is correct Shut off the engine 19 Specifications 19 1 STIHL FS 235 Trimmer Displacement...

Page 22: ...ystem Grass cutting blade 230 2 230 mm dia Grass cutting blade 230 4 230 mm dia Grass cutting blade 230 8 230 mm dia Grass cutting blade 260 2 260 mm dia Universal deflector without skirt Shoulder str...

Page 23: ...ns valid on the date of produc tion EN ISO 11806 1 EN 55012 and EN 61000 6 1 The measured and guaranteed sound power lev els were determined according to Directive 2000 14 EC Annex VIII Measured sound...

Page 24: ...www stihl com 04585070121B 04585070121B 0458 507 0121 B 0458 507 0121 B...

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