USG - Stihl
Contents
1. 523BA114 KN 523BA115 KN Sharpening Row of Teeth e Turn the star knob 1 clockwise until the stop swings back the os Sly on the motor cutting blade is now clamped in e Sharpen the first tooth position Turn the star knob 1 counter e Sharpen the tooth clockwise to loosen the clamp e Move cutting blade 2 one tooth to Repeat the above procedure until all the the left teeth in the row have been sharpened Now follow the separate descriptions for sharpening one sided and double sided cutting blades e Continue turning the star knob 1 until the stop swings forward automatically The left tooth flank must butt against the stop 24 USG English 523BA131 KN 523BA116 KN 523BA117 KN Sharpening Double Sided Hedge e Take the cutting blade out of the Take the cutting blade out of the Trimmer Blades clamp and turn it 180 lengthwise clamp and turn it over 180 cutting edges point to the rear cutting edges point forwards Sharpen the first row of teeth f cutting edges point to the rear e Sharpen the teeth e Setscale C to opposite angle Sharpen the teeth USG 25 English z x a lt ao Re N ire e Take the cutting blade out of the clamp and turn it over 180 cutting edges point forwards Setscale C to opposite angle Sharpen the teeth 523BA118 KN 523BA119 KN e Take t2. Only remove sufficient material to obtain a clean cutting edge If necessary use adjusting screw 2 to correct position of stop USG English Sharpening Remaining Teeth The sharpening process now depends on how the teeth are ground Saw blade without bevel ground teeth scale C 0 e Rotate the saw blade counter clockwise to the next tooth Sharpen all teeth with the same setting Saw blade with bevel ground teeth e Rotate the saw blade counter clockwise to the next tooth but one Sharpen all the teeth in one row that have the same sharpening angle every second tooth e Thensetscale C to the angle for the opposite row of teeth all other settings are left unchanged do not turn the saw blade over e Now sharpen all the teeth in the second row 31 English Maintenance Chart Please note that the following maintenance intervals apply for normal operating conditions If your x D daily working time is longer than normal or conditions are difficult shorten the specified intervals S A g 3 accordingly A gt 5 53 u gt rA e R ES zZ 2 F S5 835 3 5 Saf s 5 2 SS z E 8 Visual inspection condition x Complete machine Clean x Check x Machine mounting Retighten x Check operation x Switch 7 Replace x x p i 4 Check x ower su cor BRY Replace 1 x x Check wear x Check
3. see Sharpening profiles Carbide 7 5 5 Screw home the travel limiting tipped blade screw 1 until it butts against the stop lug 2 1 Tighten down the knurled nut 3 Depending on type of wood set firmly between 5 for hardwood and 15 for soft wood Scratcher tooth saw blade with 80 teeth cannot be sharpened with the USG 2 USG 29 English Sharpening Limits Chisel tooth Sharpening depth max 5 mm Top plate must not be sharpened back to more than half its length Tooth set must not be less than 523BA136 KN 1 mm Scratcher tooth Checking Tooth Set Sharpening depth no more than After sharpening chisel tooth saw diameter of blade body blades Do not reduce tooth height by more e Use saw set special accessory to than 1 3 check tooth set a and correct if Do not touch back of next tooth with necessary grinding wheel 523BA128 KN Sharpening profiles Carbide tipped blade Chisel tooth standard 1 Sharpen carbide tip only do not Chisel tooth special 2 sharpen material of blade body Scratcher tooth 3 Carbide tipped blade 4 30 USG Sharpening Circular Saw Blade z x D A lt faa oO A i s A Wear safety glasses and work gloves Sharpening the First Tooth e Push the saw blade clockwise against the stop 1 with your left hand e With the motor running carefully swing the motor arm down
4. 1 1 1 3 1 3 5 1 5 6 1 6 0 2 0 10 Sx JE Adjusting the Clamp e Unscrew the clamping lever 1 e Remove the thrust plate 2 and nut Take out the screws 3 Take out the screws 4 523BA057 KN USG 523BA096 KN Chain with 1 1 1 3 mm drive link gauge e Fit the shim 5 e Fit the screws 3 e Install a 1 6 mm washer 6 between the guide rail and clamping rail at each end e Fit the screws 4 USG 523BA097 KN Chain with 1 5 1 6 mm drive link gauge e Remove the shim 5 if fitted e Fit the screws 3 e Install two 0 9 mm washers 6 between the guide rail and clamping rail at each end e Fit the screws 4 English 523BA097 KN Chain with 2 0 mm drive link gauge e Remove the shim 5 if fitted e Fit the screws 3 e Install one 0 9 mm and one 1 6 mm washer 6 between the guide rail and clamping rail at each end e Fit the screws 4 11 English t 523BA137 KN e Fit the clamping lever 12 523BA012 KN Finding the Master Cutter The shortest cutter is used as the master cutter The master cutter is sharpened first All other cutters are then ground to the same length as the master cutter e Use a slide caliper to
5. C on swivelling tool underside of the base adjust to rest to 0 required value tighten down the e Use dressing stone special wingnut firmly accessory to correct the profile of the grinding wheel Scale C e Loosen the wingnut 3 adjust angle tighten down the wingnut firmly 8 USG English Setup for Sharpening Saw Chain A Inspect the chain Replace damaged or worn parts of the chain Grind the new parts back to the shape and size of the other parts e Select the grinding wheel see instruction sheet 0457 716 0000 e Mount the grinding wheel see Mounting the Grinding Wheel e Test run the grinding wheel see Test Run e Check profile of grinding wheel and dress if necessary see Dressing the Grinding Wheel Zz x fe e lt a oO a 0 523BA094 KN Scale C attachment for Mounting Attachment for Saw circular saw blades Chain Loosen the wingnut 4 adjust Engage pin 1 in hole 2 in base angle tighten down the wingnut Insert bolt 3 in slot 4 firmly e Fit the washer 5 and wingnut 6 and tighten down moderately USG 9 English Determining Drive Link Gauge The clamp must be adjusted to suit the drive link gauge Drive link gauge e Use slide caliper to measure dimension a or e note the digit arrow Digit Drive link gauge in mm
6. STIHLUSG Instruction Manual Owner s Manual Assembling Safety Precautions Operating Instructions Maintenance BA_SE_025_002_01_06 fm Printed on chlorine free paper ANDREAS STIHL AG amp Co KG 2004 Printing inks contain vegetable oils paper can be recycled 0458 523 0121 MO 5 C4 T Printed in Germany Contents Guide to Using this Manual 2 Safety Precautions 3 Applications een 4 Mounting the Tool 22us ee 4 Selecting the Grinding Wheel 6 Mounting the Grinding Wheel 7 WMESURUA Kaas caida ak ete 8 Dressing the Grinding Wheel 8 Scales 2 4 4042 erinnere 8 Setup for Sharpening Saw Chain 9 Sharpening Procedure 15 Lowering Depth Gauges 17 Setup for Sharpening Hedge Trimmer Blades 19 Sharpening Hedge Trimmer Blades 24 Preparations for Sharpening Circular Saw Blade eee 27 Sharpening Circular Saw Blade 31 Maintenance Chart eee 32 Minimize Wear and Avoid Damage nen 33 Main Parts of Sharpener 34 Specifications eneee 35 Special Accessories 35 Maintenance and Repairs 35 Certificate of Conformity 36 Quality Certification 36 STIHL USG English Dear Customer Thank you for choosing a
7. Scale B 0 0 Scale C 45 55 left ene rt is 55 right Principle of Clamp Zz x x lt a ire A irs Turn the star knob 1 to open and close the clamp The stop 2 is automatically engaged and disengaged by the spring 3 USG 523BA106 KN Fitting Cutting Blade e Turn the star knob 1 until the spring 2 is in the positon shown The clamp is open in this position the cutting blade may be fitted USG 523BA108 KN Fitting one sided cutting blade Fit the angle iron rail 5 Fit the cutting blade 6 in position so that the cutting edges point to the rear English 523BA107 KN Fitting double sided cutting blade e Fit the cutting blade 4 in position so that the cutting edges point to the rear 21 English 523BA110 KN Adjusting the Stop Adjusting the lateral stop e Swing the motor arm down until the grinding wheel is above the gullet of the tooth hold it in this position e Pull the cutting blade 1 to the left until the first tooth 2 in the row butts against the grinding wheel 22 Swing the motor arm up again Turn the star knob 1 clockwise until the spring is in the position shown the clamp is cl
8. bevel ground teeth 6 e Fit the locator 4 over the shoulder stud and push it home this centers the saw blade Tighten down the clamp lever 5 y In the case of bevel ground teeth firmly mark the teeth that have the same sharpening angle every second tooth Marking them helps avoid 523BA124 KN Setting the Scales The saw blade must now locate against the retaining plate free from play but it The settings depend on the type of saw accidentally sharpening a tooth on must still be possible to turn the blade by blade the other side of the blade hand Chisel tooth standard 1 Chisel tooth special 2 Scratcher tooth 3 Carbide tipped blade 4 28 USG English rs x N N lt ao ise N i s e Set angles as specified in the Adjusting the Stop following table Adjusting the lateral stop e Swing the motor arm down Type of tooth Scale Scale e Use the adjusting screw 1 to move A c the stop 2 so that the side plate of lt Chisel tooth the tooth to be sharpened butts 2 standard 5 15 1 15 15 against the grinding wheel make g sure the stop locates firmly against Chisel tooth the back of one tooth es special 5 15 1 15 15 The stop can be moved in the Adjusting sharpening depth slot 3 to suit the saw blade Swing the motor arm down until the Scratcher 0 0 required sharpening depth is tooth2 reached
9. profile x Grinding wheel Dress x x Replace x x Cooling air inlets Clean x Accessible screws and nuts Retighten x Check x Shield Replace x x Check x Clamp and guide rail Replace x Check x Stop and lock Replace x 1 Have work performed by qualified electrician 32 USG Minimize Wear and Avoid Damage Observing the instructions in this manual helps reduce the risk of unnecessary wear and damage to the unit The unit must be operated maintained and stored with the due care and attention described in this owner s manual The user is responsible for all damage caused by non observance of the safety precautions operating and maintenance instructions in this manual This includes in particular Alterations or modifications to the product not approved by STIHL Using attachments or sharpening tools not approved by STIHL Using the product for purposes for which it was not designed Consequential damage caused by continuing to use the product with defective components USG Maintenance Work All the operations described in the Maintenance Chart must be performed on a regular basis If these maintenance operations cannot be performed by the owner they should be performed by an authorized STIHL servicing dealer If these operations are not carried out as specified the user assumes responsibility for any damage that may occur Among other things this includes Damage to the unit du
10. Frequency 50 Hz Rated current 1 3A Power rating 0 18 kw Motor speed 2 800 RPM Equivalent sound pressure level 1 Lpeq 75 dB A 1 according to EN ISO 11204 measured at operator s ear while sharpening a saw chain USG Special Accessories Work light Foot operated clamping attachment Diamond dressing attachment Filing gauge Diamond grinding wheel for carbide tipped saw chain and carbide tipped circular saw blades Attachment tool rest for scratcher tooth chain Attachment tool rest for hedge trimmer blades Attachment tool rest for circular saw blades Saw set for checking and correcting tooth set Contact your STIHL dealer for the latest information on these and other special accessories English Maintenance and Repairs The user of this unit should carry out only the maintenance operations described in this manual Other repair work may be performed only by an authorized STIHL dealer Warranty claims following repairs can be accepted only if the repair has been performed by an authorized STIHL dealer using original STIHL replacement parts Original STIHL parts can be identified by the STIHL part number the STIHL logo and the STIHL parts symbol amp The symbol may appear alone on small parts 35 English Certificate of Conformity Andreas Stihl AG amp Co KG Badstr 115 71336 Waiblingen certify that the new machine described below Category Universal sharpener Make
11. L replacement parts In the interests of your own safety never modify your electric sharpener in any way English Applications The STIHL USG sharpens all STIHL Oilomatic saw chains hedge trimmer blades and circular saw blades Optional swivelling tool rests are required for sharpening scratcher tooth chain hedge trimmer blades and circular saw blades Mounting the Tool The unit may be mounted on a wall or workbench If you mount the unit on a bench note that the unit must overhang the bench by at least 120 mm If you use the special attachment for hedge trimmer blades If you mount the unit on a wall note that a clearance of at least 450 mm is required between the wall and the unit for sharpening hedge trimmer blades Recommendation Mount the unit on a bench for such work z x 9 lt Q lt ao re A irs WLLL Secure the unit with screws A For wall mounting use three suitable 8 mm dia screws e g 8 mm x 100 mm wood screws DIN 571 St 8 4 mm dia washers and suitable wall plugs e g 10x50 mm plastic wall plugs B For bench mounting use two suitable 8 mm dia screws e g 8 mm x 100 mm wood screws DIN 571 St 8 4 mm dia washers USG English z x x lt a oO a irs 523BA048 KN Screw the short thread of M10x145 stud 7 into the housing bore 8 Screw the M10 nut 9 onto the stud as far as stop Loosen the M5x10 screws 1 and then li
12. STIHL Model USG Serial identification 5203 conforms to the specifications of Directives 73 23 EEC 98 37 EG and 89 336 EEC The product has been developed and manufactured in compliance with the following standards EN 60335 1 EN 55014 1 EN 55014 2 EN 61000 3 2 EN 61000 3 3 and EN 60204 1 36 Quality Certification Technical documents deposited at Andreas Stihl AG amp Co KG Product Licensing Done at Waiblingen September 1 2003 DIN ISO 9001 Andreas Stihl AG amp Co KG Ce Nuten Steinhauser Director Group Product Management Engineering Services 000BA026 All STIHL products comply with the highest quality standards An independent organization has certified that all products manufactured by STIHL meet the strict requirements of the ISO 9001 standard for quality management systems in terms of product development materials purchasing production assembly documentation and customer service USG englisch english
13. clamping lever Pull the Chain type Angle in e Lock the adjusting and travel chain to the left until the stop is degrees limiting screws with their knurled behind the next cutter but one Rapid Standard 85 nuts Rapid Micro 85 Rapid Super 60 Picco Micro 85 Picco Micro Mini 85 Rapid Duro 65 RCX RMX PMX 80 16 USG 523BA072 KN Pull the chain to the right until the back of the cutter butts against the stop Clamp the chain in position Sharpen the side plate Repeat procedure until all side plates on one side have been sharpened USG Sharpening the Second Row of Cutters Set scale Bto the same sharpening angle on the other side of the chain Set scale C to the specified angle on the other side of the chain Move the stop with the pivot pin the stop must locate properly against the back of the cutter After sharpening first cutter in the second row check its length against that of the other row and adjust the stop if necessary Now sharpen the second row of cutters English Lowering Depth Gauges Checking Depth Gauge Setting Select the filing gauge special accessory that matches the chain pitch Chain pitch Filing gauge inch mm Part No 1 6 35 1110 893 4000 3 3 PMN 9 32 0000 893 4000 3s P 9 32 1110 893 4000 0 325 8 25 1110 893 4000 3 5 9 32 1110 893 4000 0 404 10 26 1106 893 4000 e Place the filing gauge on the saw chain I
14. e filing gauge 5 Switch on the motor Carefully bring the motor arm down Switch off the motor Repeat the procedure until the depth gauge is level with the filing gauge USG Tighten down the knurled nut 3 firmly e Use this setting to lower all the other depth gauges The kickback tendency of the saw is increased if the depth gauges are too low On PM1 and RM2 chains the rear hump of the tie strap with service mark is lowered at the same time as the depth gauge The other parts of the triple humped tie strap must not be ground because this may increase the kickback tendency of the saw English Setup for Sharpening Hedge Trimmer Blades Select the correct grinding wheel see Selecting Grinding Wheel Mount the grinding wheel see Mounting the Grinding Wheel Test run the grinding wheel see Test Run Check profile of grinding wheel and dress if necessary see Dressing the Grinding Wheel 19 English x D e lt oO ise A ire Mounting the Attachment for Hedge Trimmer Blades e Engage pin 1 in hole 2 in base e Insert bolt 3 in slot 4 e Fit the washer 5 and wingnut 6 and tighten down moderately 20 Setting the Scales 523BA077 KN HL 45 HL 75 HLR 85 HS 61 HS 75 80 85 HL 100 HS 246 HS 45 Scale A 10 6
15. e to neglect or deficient maintenance Corrosion and other consequential damage resulting from improper storage Damage and consequential damage resulting from the use of parts other than original STIHL replacement parts Damage resulting from maintenance or repair work not performed by authorized STIHL servicing dealers English Parts Subject to Wear and Tear Some parts of the unit are subject to normal wear and tear even during regular operation in accordance with instructions and depending on the type and duration of use have to be replaced in good time Among other parts this includes Grinding wheels Carbon brushes Transparent shield Clamping lever and thrust pad Clamping and guide rails Stop 33 English Main Parts of Sharpener 523BA132 KN Attachment for hedge trimmer blades 1 Star knob 2 Spring 3 Stop 4 Adjusting screw lt z 5 Clamp z g 6 Angle iron rail 8 USG with attachment for Attachment for Oilomatic saw chain circular saw blades 1 Motor 1 Locator 2 Switchbox 2 Shoulder stud 3 Attachment 3 Clamping lever 4 Motor arm 4 Adjusting screw 5 Clamping lever 5 Stop 6 Thrust plate 7 Travel limiting screw 8 Stop 9 Adjusting screw 10 Grinding wheel 11 Stop lug 34 USG Specifications Motor Type Single phase AC squirrel cage motor Operating voltage 230 V
16. f the depth gauge projects beyond the filing gauge it has to be lowered 17 English If the depth gauges have to be lowered e Select the correct grinding wheel see instruction sheet 0457 716 0000 Mount the grinding wheel see Mounting the Grinding Wheel e Test run the grinding wheel see Test Run e Check profile of grinding wheel and dress if necessary see Dressing the Grinding Wheel Setting the Scales 5 S o e Set scale A to 40 e Set scales B and C to 0 e 18 523BA102 KN Adjusting the Lateral Stop Swing the motor arm down Slide the chain along the guide rail until the profile 1 of the grinding wheel is centered above the depth gauge Clamp the chain in position Turn the adjusting screw 2 until the back of the cutter butts against the stop 523BA101 KN Adjusting Grinding Wheel Swing the motor arm down until the grinding wheel touches the depth gauge Screw home the travel limiting screw 1 until it butts against the stop lug 2 Put on safety glasses Switch on the motor Carefully bring the motor arm down as far as the stop USG 523BA103 KN Switch off the motor Place the filing gauge 5 on the chain If the depth gauge 4 still projects above the filing gauge make appropriate adjustment with the travel limiting screw 1 Remove th
17. find the shortest cutter and mark it e g with chalk 523BA061 KN Fitting the Saw Chain Release the clamping lever 1 Place the chain in position drive link tangs 2 between the rails 3 cutting edges must point to the left USG 523BA062 KN e Pull the master cutter back against the stop 4 USG 523BA063 KN The pivot pin 5 moves backward and forward so that the stop can be properly located against the back of the cutter To sharpen the left hand row of cutters Pull the stop in the direction of the arrow To sharpen the right hand row of cutters Push the stop in the other direction English 523BA077 KN Setting the scales Set the scales to the values specified in the instruction sheet 0457 716 0000 13 English 523BA098 KN Adjusting Lateral Stop e Back off the travel limiting screw 1 e Use the handle to bring the grinding wheel down to the chain 14 523BA099 KN Move the stop 2 with the adjusting screw 3 so thatthe master cutter s side plate butts against the grinding wheel Clamp the chain firmly in position 523BA066 KN e Tighten down the knurled nut on the adjusting screw USG English Sharpenin
18. ft and remove the guard plate 2 Zz x N lt gt lt a N a ive e Fit motor 3 on motor arm 4 The switchbox 5 must face up e Insert the four M5x22 pan head screws 6 and tighten them down firmly in a diagonal pattern zZ x D x lt ao ire A ire e Place the M10 nut 10 in the hexagon recess in the handle 11 and screw the handle firmly into position USG 5 English Selecting the Grinding Wheel z x a e lt ao ise A i s A Grinding wheel 5203 750 7010 2 4 mm radius at one side B Grinding wheel 5203 750 7013 2 0 mm radius at one side C Grinding wheel 5203 750 7015 D Diamond grinding wheel 5 5203 757 0901 8 Grinding Application wheel e Place the eye shield 12 against the Work Light Special Accessory A Circular saw blades guardand line up the holes e Use a punch to pierce the casting e Hedge trimmer blades Insert the M4x12 screws 13 in the skin e Oilomatic chain pales and fit the nuts 14 e Clean up the edges with a round file pitch 3 8 0 404 0 325 Tighten down the screws firmly e Position lamp socket in opening Be Oilomatic chain e Refit the guard plate from outside and secure it with the pitch screw ring 1 4 3 8 P 3 8 PMN Cc e Oilomatic chain depth gauges D Carbide e Oilomatic chain Rapid Duro Rapid Duro S e Carbide tipped circular
19. g Procedure A Wear safety glasses Sharpening the Master Cutter e Switch on the motor e Bring motor arm slowly downward Check sharpening process Do not remove too much material e If necessary switch off motor and readjust Sharpen the side plate by applying the wheel several times do not sharpen in a single pass When result is satisfactory check the grinding depth 523BA100 KN 523BA101 KN Adjusting Grinding Depth e Screw the travel limiting screw 1 down as far as the stop lug 2 Swing the motor arm down until grinding wheel touches the gullet of Tighten down the knurled nut 3 the cutter hold it in this position firmly Swing the motor arm up again USG 15 English 1 LT z x o x S lt ao ce a ire Check angle with a filing gauge A 190 05 If side plate angle is too obtuse wide e Use travel limiting screw to set motor arm lower A Avoid touching the drive links or tie straps with the grinding wheel This could cause the chain to break 523BA022 KN 523BA071 KN The travel limiting screw must now butt Sharpening Row of Cutters against the stop lug and the side plate If side plat le ist t i angie 1 should beas specified side plate angle is too acute narrow Use the setting for the master cutter to Use travel limiting screw to set sharpen all the other cutters in the row motor arm higher Release
20. he cutting blade out of the Sharpening One Sided Hedge clamp and turn it 180 lengthwise Trimmer Blades cutting edges point forwards Sharpen the first row of teeth Sharpen the teeth cutting edges point to the rear 26 USG English Preparations for Sharpening Circular Saw Blade A Check the blade Always perfom a ringing test Do not continue to use warped or cracked blades since they may shatter Select the correct grinding wheel see Selecting the Grinding Wheel e Mount the grinding wheel see Mounting the Grinding Wheel e Test run the grinding wheel see Test Run e Check profile of grinding wheel and dress if necessary see Dressing the Grinding Wheel z x a A lt a oO A o Clamping the Circular Saw Blade e Use the tapped hole specified for the saw blade diameter a for 200 mm blade b for 225 mm blade c for 250 mm blade A 523BA121 KN If necessary change the position of the shoulder stud 1 Mounting the Special Attachment e Fit the attachment 1 so that the arrow points to 0 on the scale e Tighten down the wingnut 2 firmly USG 27 English zZ x ire N lt ao ise A i s There are saw blades with e Position the saw blade 2 on the shoulder stud 1 so that the cutting edges point to the left counter clockwise square ground teeth 5 scale C 0 and
21. lectric sharpener Keep children bystanders and animals well clear of the work area USG Only use the grinding wheels supplied by STIHL or expressly approved by STIHL for use with your specific model Do not use any other grinding wheels since they will increase the risk of injury Switch on the motor only if its operating voltage agrees with the voltage of your power supply Clothing and Equipment Wear proper protective clothing and equipment The grinding dust produced when using this sharpener may cause health problems Always use a dust extractor or wear a Suitable respirator The sparks created during sharpening may cause eye injuries Always wear safety glasses Clothing must be sturdy and snug fitting but allow complete freedom of movement Wear overalls avoid loose fitting jackets Wear steel toed safety A boots with non slip soles English Wear heavy duty non slip gloves preferably made of leather Before Starting Work Check that your sharpener is properly assembled and in good condition Do not operate your sharpener with a damaged connecting cord or grinding wheel Maintenance and Repairs Always disconnect the unit from the power supply before carrying out any maintenance work Only perform the adjustments and maintenance operations described in this manual All other maintenance and repairs should be carried out by your STIHL dealer Only use original STIH
22. osed 523BA111 KN 523BA112 KN Swing the stop 4 into position by hand Turn the adjusting screw 5 until the stop butts against the tooth 6 If range of adjustment is insufficient loosen the screws 7 on the stop Move the stop 4 until it butts against the tooth and then tighten down the screws 7 firmly USG 523BA113 KN 523BA109 KN If stop is now correctly positioned Adjusting sharpening depth e Continue turning the star knob 3 clockwise until the stop swings back e Swing the motor arm down until the grinding wheel touches the gullet of the tooth hold it in this position USG English 523BA101 KN Screw the travel limiting screw 1 down as far as the stop lug 2 Tighten down the knurled nut 3 firmly 23 English Sharpening Hedge Trimmer Blades A Wear safety glasses to protect your eyes Observe the following points when sharpening The cutting blade must be correctly clamped in position and the stop h gem must swing back out of the way i 2 e Bring the motor arm slowly 7 N downward Check sharpening process Do not remove too much 1 material If necessary switch off the motor and readjust Sharpen the cutting edges by applying the wheel several times do not sharpen in a single pass
23. quality engineered STIHL product This machine has been built using modern production techniques and comprehensive quality assurance Every effort has been made to ensure your satisfaction and troublefree use of the machine Please contact your dealer or our sales company if you have any queries concerning your machine han ue I Hans Peter Stihl CE English Guide to Using this Manual Pictograms Allthe pictograms attached to the machine are shown and explained in this manual The operating and handling instructions are supported by illustrations Symbols in text The individual steps or procedures described in the manual may be marked in different ways Step or procedure without direct reference to an illustration Description of step or procedure that refers directly to the illustration and contains item numbers that appear in the illustration Example Loosen the screw 1 Lever 2 In addition to the operating instructions this manual may contain paragraphs that require your special attention Such paragraphs are marked with the symbols described below A Warning where there is a risk of an accident or personal injury or serious damage to property Caution where there is a risk of damaging the machine or individual components C Note or hint which is not essential for using the machine but may improve the operator s under standing of the situation and result in better use of
24. saw blade 6 USG Mounting the Grinding Wheel z x x lt faa oO a irs A ways check condition of grinding wheels by performing ringing test before mounting Never use damaged grinding wheels Loosen the M5x10 screws 1 then lift and remove the guard plate 2 523BA092 KN e Fit the O ring 3 in the groove in the spacer 4 and then push the spacer onto the motor shaft 5 spacer flange must face away from motor e Fit the required grinding wheel 6 e Fit the thrust washer 7 on the shaft with its raised side facing away from motor USG English 523BA093 KN Grinding Installed position wheel AIB Radius facing motor pointing to the right Cc Large outside diameter facing motor pointing to the right D Either way round English Test Run Dressing the Scales Grinding Wheel Every time you mount a grinding wheel e Cordon off the general work area danger zone e Run grinding wheel at maximum permissible speed for at least one minute 523BA030 KN 523BA138 KN The profile of the grinding wheel is Scale A Subject to wear e Loosen the nut 1 adjust angle Switch off the motor tighten down the nut firmly e Use dressing gauge special accessory to check the profile of Scale B the grinding wheel e Loosen the wingnut 2 on the e Set scale
25. the machine N Note or hint on correct procedure in order to avoid damage to the environment Equipment and features This instruction manual refers to several models with different features Components that are not installed in all models and related applications are marked with an asterisk Such components may be available as special accessories from your STIHL dealer Engineering improvements STIHL s philosophy is to continually improve all of its products As a result engineering changes and improvements are made from time to time If the operating characteristics or the appearance of your machine differ from those described in this manual please contact your STIHL dealer for assistance Therefore we cannot be responsible for changes modifications or improvements not covered in this manual USG Safety Precautions Additional safety precautions have to be observed when operating the universal sharpener It is important that you read and understand the owner s manual before using your tool for the first time Keep it in a safe place for later reference Non observance of the following safety precautions may cause serious or even fatal injury Always observe local safety regulations standards and ordinances If you have never used this sharpener model before Have your dealer or a trained expert show you how to operate it properly and safely Minors should never be allowed to use an e
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