Stihl FR 235 Instruction Manual Download

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► Rotate the mowing head (1) counterclockwise

until the stop pin (4) engages in position.

The shaft is now blocked.

► Tighten down the mowing head (1) firmly by

hand.

► Remove the stop pin (4).
6.8.2

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 head until the stop pin

engages in position.

The shaft is now blocked.

► Unscrew the mowing head clockwise.

► Remove the thrust plate.

► Remove stop pin.

6.9

Removing and Installing Metal

Cutting Attachment

6.9.1

Mounting the Metal Cutting Attach‐

ment

► Shut off the engine.

0000-GXX-3032-A1

5
6

► Place the thrust plate (5) on the shaft (6) so

that its smaller diameter faces up.

► Place the metal cutting attachment (4) on the

thrust plate (5). If you are fitting a grass cutting

blade with more than 4 cutting edges: Its cut‐

ting edges must face in the same direction as

the arrow on the deflector.

► Place the thrust washer (3) on the metal cut‐

ting attachment (4) so that its raised side faces

up.

► Place the rider plate (2) on the thrust washer

(3) so that its closed side faces up.

► Insert the stop pin (7) in the bore as far as

stop and hold it depressed.

► Rotate the metal cutting attachment (4) coun‐

terclockwise until the stop pin (7) engages in

position.

The shaft (6) is now blocked.

► Fit the nut (1) counterclockwise and tighten it

down firmly.

► Remove the stop pin (7).
6.9.2

Removing the metal cutting attach‐

ment

► Shut off the engine.

► Insert the stop pin in the bore up to the limit

stop and hold it depressed.

► Rotate the metal cutting attachment clockwise

until the stop pin engages in position.

The shaft is now blocked.

► Unscrew the mounting nut clockwise.

► Remove the fastening parts, metal cutting tool

and pressure plate.

► Remove the stop pin.

Adjusting Trimmer for User

7.1

Fitting and Adjusting the Carry‐

ing System

► Put the carrying system on your back.

0000-GXX-7843-A0

► Close buckle (1) on the waist belt.

0000-GXX-7844-A0

► Tighten the straps until the waist belt fits

snugly on your hips and the back padding is

against your back.

► Thread the end of the waist belt through the

loop (2).

7 Adjusting Trimmer for User

English

0458-527-0121-B

Summary of Contents for FR 235

Page 1: ...STIHL FR 235 Instruction Manual 2 23 ...

Page 2: ...le 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 thank you for your confidence in us and hope you will enjoy working with your STIHL product Dr Nikolas Stihl IMPORTANT READ BEFORE USING AND KEEP IN A SAFE PLACE FOR REFERENCE 2 Guide to Using this Manual 2 1 A...

Page 3: ...es throttle cable in position 15 Throttle Cable Connects the throttle trigger to the engine 16 Coupling Sleeve Connects flexible drive tube to rigid drive tube 17 Control handle For operating holding and controlling the trimmer 18 Throttle Trigger Lockout Unlocks the throttle trigger 19 Throttle Trigger Controls engine speed 20 Slide Control For starting running and stopping the engine 21 Loop Han...

Page 4: ...ith 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 shows the maximum diameter of the cutting attachment in millimeters This symbol shows the rated speed of the cutting attachment 4 Safety Precautions 4 1 Warning Signs 4 1 1 Warning Symbols Meanings of warning sig...

Page 5: ...son The user is 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 The user has received instruction from a STIHL servicing dealer or other experi enced user before working with the trim mer for the first time The user must not be under the influ ence ...

Page 6: ...erials 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 cu...

Page 7: ...t 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 me...

Page 8: ...roughly mix the fuel Use a mixture of gasoline and two stroke engine oil that is not older than 30 days STIHL MotoMix 2 years 4 8 Working WARNING If the engine is not started properly the user may lose control of the trimmer This may result in serious injury to the user Start the engine as described in this instruc tion manual If the cutting attachment is touching the ground or objects Do not star...

Page 9: ... cutting attachment continues to rotate for a short period after you release the trigger They may cause serious injury to per sons 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 injury to the user Practice taking off the carrying system 4 9 Reactive forces 0000 GXX 3025 A1 ...

Page 10: ...utting attachment are not serviced or repaired correctly compo nents may no longer function properly or safety devices may be rendered inoperative This may result in serous or fatal injury to peo ple Do not attempt to service or repair the trim mer or deflector If the trimmer or the deflector require servic ing or repairs Contact your STIHL servicing dealer for assistance Maintain the cutting atta...

Page 11: ... Hold the coupling sleeve 1 against the end of the drive tube 3 and turn it until it can be pushed onto the drive tube Push the coupling sleeve 1 onto the drive tube 3 as far as stop Insert and tighten down the screw 2 firmly 5 6 4 6 0000 GXX 7840 A0 Secure throttle cable 4 to flexible drive tube 5 with the cable retainers 6 making sure the throttle cable 4 is not wrapped around the drive tube 5 6...

Page 12: ...e out screws Remove guard 6 7 Fitting and Removing the Skirt 6 7 1 Fitting the Skirt Shut off the engine 3 2 4 0000 GXX 3028 A1 1 Slide the guide slot in the skirt 2 onto the deflector 1 it must snap into position Push the line limiting blade 3 into the slot in the skirt 2 Insert and tighten down the screw 4 firmly 6 7 2 Removing the Skirt Shut off the engine 1 0000 GXX 3030 A2 2 Insert stop pin 2...

Page 13: ...4 so that its raised side faces up Place the rider plate 2 on the thrust washer 3 so that its closed side faces up Insert the stop pin 7 in the bore as far as stop and hold it depressed Rotate the metal cutting attachment 4 coun terclockwise until the stop pin 7 engages in position The shaft 6 is now blocked Fit the nut 1 counterclockwise and tighten it down firmly Remove the stop pin 7 6 9 2 Remo...

Page 14: ...l 5 liters gasoline 100 ml two stroke engine oil Pour two stroke engine oil into a clean approved fuel canister first and then add gaso line Thoroughly mix the fuel 8 2 Fueling the Trimmer Shut off the engine Place your trimmer on a level surface so that the fuel tank cap faces up Use a damp cloth to clean the tank cap and the area around it 0000 GXX 4727 A0 Turn the tank cap counterclockwise unti...

Page 15: ... the starter grip slowly with your right hand until you feel it engage Pull the starter grip quickly and allow the starter rope to rewind several times until the engine fires and stops If the engine does not stop Move the choke lever 2 to position so that the engine does not flood The engine stops 9 3 Starting the Engine Select the correct starting procedure Stand the trimmer on a level surface St...

Page 16: ... trigger Release the throttle trigger and throttle trigger lockout If the trigger or trigger lockout is stiff or does not spring back to the idle position Do not use your trimmer and contact your STIHL dealer for assistance Trigger or trigger lockout is faulty Throttle cable adjustment Start the engine Attempt to pull the trigger without depressing the lockout lever If the engine accelerates Adjus...

Page 17: ...g lines 2 cannot be pulled out to the required length Replace the spool 1 or the mowing lines 2 The spool is empty 11 4 2 Line Feed on SuperCut Mowing Heads Mowing lines are adjusted automatically The line limiting blade in the deflector trims the mowing lines to the correct length Automatic feed will not take place if the mowing lines are shorter than 40 mm Shut off the engine Pull out the mowing...

Page 18: ...with a cloth If the spark plug 2 is corroded Install a new spark plug 2 Insert and tighten down the spark plug 2 firmly Press the spark plug boot 1 firmly home 16 Maintenance 16 1 Maintenance Intervals The maintenance intervals are dependent on the environmental and operating conditions STIHL recommends the following maintenance inter vals After every 25 hours of operation Lubricate the gearbox Lu...

Page 19: ... Run the trimmer for 1 minute STIHL gear grease is distributed evenly 16 4 Adjusting the Throttle Cable Start the engine 90 0000 GXX 8178 A0 Lay the flexible drive tube on the ground in a 90 curve 3 1 2 0000 GXX 8179 A0 Pull the trigger 1 without depressing the lock out lever 2 If the engine accelerates Hold the trigger 1 depressed and turn screw 3 counterclock wise until there is no further audib...

Page 20: ...Before starting the engine Depress the manual fuel pump bulb at least ten times Carburetor is iced up Allow trimmer to warm up to 10 C Engine idles errati cally Carburetor is iced up Allow trimmer to warm up to 10 C Engine stops while idling Carburetor is iced up Allow trimmer to warm up to 10 C Cutting attachment does not rotate prop erly or rotates errati cally Connection between flexible shaft ...

Page 21: ... Clearing the Combustion Chamber 2 3 1 0000 GXX 4736 A0 Pull off the spark plug boot 1 Unscrew the spark plug 2 Dry the spark plug 2 WARNING Unconfined sparks may occur if the starter grip is pulled after the spark plug boot has been removed Sparks may cause a fire or an explosion in an easily combustible or explo sive environment This can result in serious or fatal injuries and damage to property...

Page 22: ...ihl com reach 19 4 Exhaust Emissions The CO2value measured in the EU type approval procedure is specified at www stihl com co2 The measured CO2value was determined on a representative engine in accordance with a standardized test procedure under laboratory conditions and does not represent either an explicit or implied guarantee of the performance of a specific engine The applicable exhaust emissi...

Page 23: ...23 1 STIHL FR 235 Trimmer ANDREAS STIHL AG Co KG Badstraße 115 D 71336 Waiblingen Germany declare under our sole responsibility that Category Brushcutter Manufacturer s brand STIHL Type FR 235 Serial number 4151 conforms to the relevant provisions of Directives 2011 65 EU 2006 42 EC 2014 30 EU and 2000 14 EC and has been developed and manu factured in compliance with the following stand ards in th...

Page 24: ...www stihl com 04585270121B 04585270121B 0458 527 0121 B 0458 527 0121 B ...

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