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► If dust is generated: Wear a dust respirator

mask.

■ Inappropriate clothing can snag on wood,

brush or the brushcutter. Users not wearing

suitable clothing are at risk of serious injury.

► Wear close-fitting clothing.

► Remove scarves and jewelry.

■ The user may come into contact with the rotat‐

ing cutting attachment during operation. This

may result in serious injury to the user.

► Wear robust footwear.

► If you are using a metal cutting

attachment: Wear steel-toed safety

boots.

► Wear long trousers made from resistant

material.

■ When mounting and dismounting the cutting

attachment and during cleaning or mainte‐

nance, the user may come into contact with

the sharp edges of the cutting attachment or

the crosscut blade. This may result in injury to

the user.

► Wear work gloves made from resist‐

ant material.

■ Wearing unsuitable footwear may cause the

user to slip. This may result in injury to the

user.

► Wear sturdy, closed-toed footwear with

high-grip soles.

4.5

Working Area and Surround‐

ings

WARNING

■ Bystanders, children and animals are not

aware of the dangers of the brushcutter or fly‐

ing debris. This may result in serious injury to

bystanders, children and animals and damage

to property.

15m (50ft)

► Do not allow bystanders,

children or animals within 15

meters of the work area.

► Maintain a clearance of 15 meters from

objects.

► Do not leave the brushcutter unattended.

► Make sure that children cannot play with

the brushcutter.

■ Hot exhaust gas is emitted through the muffler

while the engine is running. Hot exhaust gas

can ignite easily flammable materials and

cause a fire.

► Keep exhaust gas well away from easily

flammable 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 trimmer.

The fuel tank cap is closed.

The brushcutter is clean.

The controls function properly and have not

been modified.

A combination of cutting attachment and

deflector recommended in this user manual is

mounted.

The cutting attachment and deflector are prop‐

erly mounted.

Genuine STIHL accessories for this brushcut‐

ter are fitted.

The accessories are correctly attached.

All accessible screws and fastening parts are

firmly tightened.

Cutting attachment does not run while engine

is idling.

WARNING

■ If not in safe condition, components may no

longer operate correctly, safety devices may

be disabled and fuel leakage may occur.

There is a risk of serious or fatal injury.

► Work only with an undamaged brushcutter.

► If fuel is leaking from the trimmer: Do not

use the trimmer and contact a STIHL dealer

for assistance.

► Close the fuel tank cap.

► If the brushcutter is dirty: Clean the brush‐

cutter.

► Never attempt to modify your brushcutter.

Exception: Mounting one of the combina‐

tions of cutting attachment and deflector

recommended in this user manual.

► If the controls do not function properly: Do

not use your brushcutter.

► Fit genuine STIHL accessories for this

brushcutter.

► Mount the cutting attachment and deflector

as described in this user manual.

► Attach accessories as described in this

User Manual or in the User Manual for the

accessories.

► Tighten loose screws and fastening parts.

► If the cutting attachment rotates when the

engine is idling: Rectify the malfunction.

► Never insert objects into the openings of

the brushcutter.

► Replace worn or damaged labels.

English

4 Safety Precautions

6

0458-507-0121-B

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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