Stihl Usg Manual BA_SE_025_002_01_06
2014-07-06
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English © ANDREAS STIHL AG & Co. KG, 2004 0458 523 0121. M0,5. C4. T. Printed in Germany Printed on chlorine-free paper. Printing inks contain vegetable oils; paper can be recycled. BA_SE_025_002_01_06.fm Contents Guide to Using this Manual .............. 2 Safety Precautions ........................... 3 Applications ...................................... 4 Mounting the Tool ............................. 4 Selecting the Grinding Wheel ........... 6 Mounting the Grinding Wheel ........... 7 Test Run ........................................... 8 Dressing the Grinding Wheel ............ 8 Scales ............................................... 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 ......................... 27 Sharpening Circular Saw Blade ...... 31 Maintenance Chart ......................... 32 Minimize Wear and Avoid Damage ................................ 33 Main Parts of Sharpener ................. 34 Specifications ................................. 35 Special Accessories ....................... 35 Maintenance and Repairs ............... 35 Certificate of Conformity ................. 36 Quality Certification ........................ 36 Dear Customer, Thank you for choosing a 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. Hans Peter Stihl STIHl USG 1 English Guide to Using this Manual Pictograms All the pictograms attached to the machine are shown and explained in this manual. The operating and handling instructions are supported by illustrations. 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: Symbols in text Warning where there is a risk of an accident or personal injury or serious damage to property. The individual steps or procedures described in the manual may be marked in different ways: Caution where there is a risk of damaging the machine or individual components. : Note or hint which is not essential for using the machine, but may improve the operator’s understanding of the situation and result in better use of the machine. 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) ... 2 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 English 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. 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. Minors should never be allowed to use an electric sharpener. Keep children, bystanders and animals well clear of the work area. Wear heavy-duty, nonslip gloves, preferably made of leather. Clothing must be sturdy and snug-fitting, but allow complete freedom of movement. Wear overalls – avoid loose-fitting jackets. 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 STIHL replacement parts. In the interests of your own safety, never modify your electric sharpener in any way. Wear steel-toed safety boots with non-slip soles. USG 3 English Applications Mounting the Tool The STIHL USG sharpens all STIHL Oilomatic saw chains, hedge trimmer blades and circular saw blades. The unit may be mounted on a wall or workbench. Optional swivelling tool rests are required for sharpening scratcher tooth chain, hedge trimmer blades and circular saw blades. If you mount the unit on a bench, note that the unit must overhang the bench by at least 120 mm. A 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. 523BA045 KN B 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 4 USG English 5 : 1 8 3 4 Loosen the M5x10 screws (1) and then lift and remove the guard plate (2). : 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. 523BA047 KN 6 Fit motor (3) on motor arm (4). The switchbox (5) must face up. : Insert the four M5x22 pan head screws (6) and tighten them down firmly in a diagonal pattern. 523BA049 KN : 10 11 : USG 9 7 523BA048 KN 1 523BA046 KN 2 Place the M10 nut (10) in the hexagon recess in the handle (11) and screw the handle firmly into position. 5 English A/B C 523BA091 KN Selecting the Grinding Wheel D 13 12 : Place the eye shield (12) against the guard and line up the holes. : Insert the M4x12 screws (13) in the holes and fit the nuts (14). : Tighten down the screws firmly. : Refit the guard plate. 523BA051 KN 523BA050 KN 14 Work Light (Special Accessory) : Use a punch to pierce the casting skin. : Clean up the edges with a round file. : Position lamp socket in opening from outside and secure it with the screw ring. 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 5203 757 0901 Grinding Application wheel A . Circular saw blades . Hedge trimmer blades B C D . Oilomatic chain, pitch: 3/8“, 0.404“, 0.325“ . Oilomatic chain, pitch: 1/4“, 3/8“ P, 3/8“ PMN . Oilomatic chain, depth gauges Carbide: . Oilomatic chain Rapid Duro Rapid Duro S . Carbide tipped circular saw blade 6 USG English Mounting the Grinding Wheel 2 4 Always check condition of grinding wheels by performing ringing test before mounting. Never use damaged grinding wheels. 3 Loosen the M5x10 screws (1), then lift and remove the guard plate (2). : USG A/B 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). Grinding wheel A/B : Fit the required grinding wheel (6). : Fit the thrust washer (7) on the shaft with its raised side facing away from motor. C D 523BA093 KN : 5 7 523BA092 KN 1 523BA046 KN 1 6 Installed position Radius facing motor (pointing to the right) C Large outside diameter facing motor (pointing to the right) D Either way round 7 English Test Run Dressing the Grinding Wheel Scales Every time you mount a grinding wheel: : Cordon off the general work area (danger zone). : Run grinding wheel at maximum permissible speed for at least one minute. + 1 + - - 523BA030 KN 2 The profile of the grinding wheel is subject to wear. Switch off the motor. : Use dressing gauge (special accessory) to check the profile of the grinding wheel. : Set scale C on swivelling tool rest to "0". : Use dressing stone (special accessory) to correct the profile of the grinding wheel. + 3 Scale A : Loosen the nut (1), adjust angle, tighten down the nut firmly. Scale B : Loosen the wingnut (2) on the underside of the base, adjust to required value, tighten down the wingnut firmly. Scale C : 8 B C 523BA138 KN A Loosen the wingnut (3), adjust angle, tighten down the wingnut firmly. USG English Setup for Sharpening Saw Chain 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. Select the grinding wheel – see instruction sheet 0457 716 0000. 1 - C - B + + -4 2 523BA094 KN A : 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". 3 1 4 2 5 6 Scale C (attachment for circular saw blades) Mounting Attachment for Saw Chain : : Engage pin (1) in hole (2) in base. : Insert bolt (3) in slot (4). : Fit the washer (5) and wingnut (6) and tighten down moderately. Loosen the wingnut (4), adjust angle, tighten down the wingnut firmly. USG 523BA054 KN : + 9 a 523BA135 KN English 3 2 3 1 Determining Drive Link Gauge The clamp must be adjusted to suit the drive link gauge. 4 Drive link gauge: Digit 1 3 5 6 0 10 Drive link gauge in mm 1.1 1.3 1.5 1.6 2.0 523BA057 KN : Use slide caliper to measure dimension "a" or note the digit (arrow) 523BA095 KN : 4 Adjusting the Clamp : Take out the screws (3). : Unscrew the clamping lever (1). : Take out the screws (4). : Remove the thrust plate (2) and nut. USG English 3 3 6 6 4 4 5 6 6 4 4 523BA097 KN 5 523BA096 KN 5 3 3 6 6 4 4 Chain with 1.1/1.3 mm drive link gauge Chain with 1.5/1.6 mm drive link gauge Chain with 2.0 mm drive link gauge : Fit the shim (5). : Remove the shim (5) (if fitted). : Remove the shim (5) (if fitted). 523BA097 KN 3 3 : Fit the screws (3). : Fit the screws (3). : Fit the screws (3). : Install a 1.6 mm washer (6) between the guide rail and clamping rail (at each end). : Install two 0.9 mm washers (6) between the guide rail and clamping rail (at each end). : : Fit the screws (4). : Fit the screws (4). Install one 0.9 mm and one 1.6 mm washer (6) between the guide rail and clamping rail (at each end). : Fit the screws (4). USG 11 English 2 3 : Fit the clamping lever. Finding the Master Cutter Fitting the Saw Chain The shortest cutter is used as the master cutter. : 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. The master cutter is sharpened first. All other cutters are then ground to the same length as the master cutter. : 12 523BA061 KN 523BA012 KN 523BA137 KN 1 Use a slide caliper to find the shortest cutter and mark it, e.g. with chalk. USG English A 5 - 4 + + - C B 523BA077 KN + Setting the scales 523BA062 KN : Pull the master cutter back against the stop (4). USG Set the scales to the values specified in the instruction sheet 0457 716 0000. 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. 13 English 1 2 Adjusting Lateral Stop : Back off the travel limiting screw (1). : Use the handle to bring the grinding wheel down to the chain. 14 523BA066 KN 523BA099 KN 523BA098 KN 3 : Move the stop (2) with the adjusting screw (3) so that the master cutter's side plate butts against the grinding wheel. : Clamp the chain firmly in position. : Tighten down the knurled nut on the adjusting screw. USG English Sharpening Procedure Wear safety glasses. Sharpening the Master Cutter 1 3 : Switch on the motor. : Bring motor arm slowly downward. Check sharpening process. Do not remove too much material. : 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 2 Adjusting Grinding Depth : Swing the motor arm down until grinding wheel touches the gullet of the cutter – hold it in this position. USG : Screw the travel limiting screw (1) down as far as the stop lug (2). : Tighten down the knurled nut (3) firmly. : Swing the motor arm up again. 15 523BA070 KN English 1 : Check angle with a filing gauge. If side plate angle is too obtuse (wide): The travel limiting screw must now butt against the stop lug and the side plate angle (1) should be as specified. Chain type Rapid-Standard Rapid-Micro Rapid-Super Picco-Micro Picco-Micro-Mini Rapid-Duro RCX, RMX, PMX 16 Angle in degrees 85 85 60 85 85 65 80 Use travel limiting screw to set motor arm lower. 523BA071 KN 523BA022 KN : Avoid touching the drive links or tie straps with the grinding wheel. This could cause the chain to break. Sharpening Row of Cutters If side plate angle is too acute (narrow): : Use travel limiting screw to set motor arm higher. : Lock the adjusting and travel limiting screws with their knurled nuts. Use the setting for the master cutter to sharpen all the other cutters in the row. : Release clamping lever. Pull the chain to the left until the stop is behind the next cutter but one. USG English Lowering Depth Gauges : 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 : Set scale B to 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. Checking Depth Gauge Setting : Select the filing gauge (special accessory) that matches the chain pitch. Chain pitch inch mm 1/ 6.35 4 3 /8 PMN 9.32 3/ P 9.32 8 0.325 8.25 3 /8 9.32 0.404 10.26 Filing gauge Part No. 1110 893 4000 0000 893 4000 1110 893 4000 1110 893 4000 1110 893 4000 1106 893 4000 564BA017 KN 523BA072 KN Sharpening the Second Row of Cutters : Place the filing gauge on the saw chain. If the depth gauge projects beyond the filing gauge it has to be lowered. 17 English If the depth gauges have to be lowered: : Select the correct grinding wheel – see instruction sheet 0457 716 0000 : 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". 1 3 1 2 2 A - + + - B : Set scale A to 40° : Set scales B and C to 0° 18 C 523BA077 KN + 523BA101 KN 523BA102 KN Setting the Scales Adjusting the Lateral Stop Adjusting Grinding Wheel : 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. 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. : Clamp the chain in position. : Turn the adjusting screw (2) until the back of the cutter butts against the stop. USG English Setup for Sharpening Hedge Trimmer Blades 523BA139 KN 3 4 523BA103 KN 5 : 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 the 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. : Use this setting to lower all the other depth gauges. : 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". 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. 19 English - + - 2 3 Setting the Scales 4 2 6 523BA054 KN 5 Mounting the Attachment for Hedge Trimmer Blades : Engage pin (1) in hole (2) in base. : Insert bolt (3) in slot (4). : Fit the washer (5) and wingnut (6) and tighten down moderately. 20 C B 3 1 + - Scale A Scale B Scale C left Scale C right HL 45, HL 75, HLR 85, HS 61 HS 75, 80, 85 HL 100, HS 246 HS 45 - 10° - 6° 0 0 + 45° + 55° - 45° - 55° 1 523BA104 KN A 523BA077 KN + Principle of Clamp : Turn the star knob (1) to open and close the clamp. The stop (2) is automatically engaged and disengaged by the spring (3). USG English 4 3 523BA107 KN 6 2 1 : 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 : Fit the cutting blade (4) in position so that the cutting edges point to the rear. 523BA108 KN 523BA106 KN Fitting Cutting Blade : Fitting double-sided cutting blade 5 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. 21 English 4 2 5 6 1 523BA112 KN 7 523BA111 KN 523BA110 KN 3 Adjusting the Stop : Swing the motor arm up again. : Adjusting the lateral stop : Turn the star knob (1) clockwise until the spring is in the position shown – the clamp is closed. 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. : : 22 Swing the motor arm down until the grinding wheel is above the gullet of the tooth – hold it in this position. Pull the cutting blade (1) to the left until the first tooth (2) in the row butts against the grinding wheel. USG English 1 3 3 : If stop is now correctly positioned: Continue turning the star knob (3) clockwise until the stop swings back. USG 523BA101 KN 523BA109 KN 523BA113 KN 2 Adjusting sharpening depth : Swing the motor arm down until the grinding wheel touches the gullet of the tooth – hold it in this position. : 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 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 must swing back out of the way. : Bring the motor arm slowly downward. Check sharpening process. Do not remove too much material. If necessary, switch off the motor and readjust. 2 1 Sharpen the cutting edges by applying the wheel several times – do not sharpen in a single pass. 1 523BA114 KN : 3 Sharpening Row of Teeth 24 523BA115 KN : : Turn the star knob (1) clockwise until the stop swings back – the cutting blade is now clamped in position. Sharpen the tooth. : Switch on the motor. : Sharpen the first tooth. : Turn the star knob (1) counterclockwise to loosen the clamp. : : Move cutting blade (2) one tooth to the left. : Continue turning the star knob (1) until the stop swings forward automatically. The left tooth flank must butt against the stop. Repeat the above procedure until all the teeth in the row have been sharpened. Now follow the separate descriptions for sharpening one-sided and double-sided cutting blades. USG English 180° Sharpening Double-Sided Hedge Trimmer Blades : Sharpen the first row of teeth – cutting edges point to the rear. USG 523BA117 KN 523BA131 KN 523BA116 KN 180° : Take the cutting blade out of the clamp and turn it 180° lengthwise – cutting edges point to the rear. : Take the cutting blade out of the clamp and turn it over (180°) – cutting edges point forwards. : Sharpen the teeth. : Set scale C to opposite angle. : Sharpen the teeth. 25 English 523BA120 KN 180° 523BA118 KN 523BA119 KN 180° : Take the cutting blade out of the clamp and turn it 180° lengthwise – cutting edges point forwards. : Sharpen the teeth. 26 : Take the cutting blade out of the clamp and turn it over (180°) – cutting edges point forwards. : Set scale C to opposite angle. : Sharpen the teeth. Sharpening One-Sided Hedge Trimmer Blades : Sharpen the first row of teeth – cutting edges point to the rear. USG English Preparations for Sharpening Circular Saw Blade Check the blade. Always perfom a ringing test. a b c Select the correct grinding wheel – see "Selecting the 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". 1 Clamping the Circular Saw Blade : 0 2 Mounting the Special Attachment USG Use the tapped hole specified for the saw blade diameter: a = for 200 mm blade 523BA121 KN : 1 523BA122 KN Do not continue to use warped or cracked blades since they may shatter. : Fit the attachment (1) so that the arrow points to "0" on the scale. : Tighten down the wingnut (2) firmly. b = for 225 mm blade c = for 250 mm blade If necessary, change the position of the shoulder stud (1). 27 English 1 Position the saw blade (2) on the shoulder stud (1) so that the cutting edges point to the left (counterclockwise). 3 1 : Fit the locator (4) over the shoulder stud and push it home – this centers the saw blade. : Tighten down the clamp lever (5) firmly. The saw blade must now locate against the retaining plate free from play, but it must still be possible to turn the blade by hand. 6 523BA125 KN 523BA123 KN 2 4 : 2 There are saw blades with square ground teeth (5) (scale C = 0) and 4 bevel ground teeth (6) 523BA124 KN 5 5 Setting the Scales The settings depend on the type of saw blade: In the case of bevel ground teeth, mark the teeth that have the same sharpening angle (every second tooth). Marking them helps avoid accidentally sharpening a tooth on the other side of the blade. Chisel tooth, standard (1) Chisel tooth, special (2) Scratcher tooth (3) Carbide tipped blade (4) 28 USG English 3 + 1 + - A C Set angles as specified in the following table. Type of tooth Scale A Scale C Chisel tooth, standard +5°...+15°1) +15°/ -15° Chisel tooth, special +5°...+15°1) +15°/ -15° Scratcher tooth2) 0° 0° Carbide tipped blade 7° +5°/-5° 1) Depending on type of wood, set between +5° (for hardwood) and +15° (for soft wood) 2) Scratcher tooth saw blade with 80 teeth cannot be sharpened with the USG USG 1 3 Adjusting the Stop Adjusting the lateral stop : Swing the motor arm down. : Use the adjusting screw (1) to move the stop (2) so that the side plate of the tooth to be sharpened butts against the grinding wheel – make sure the stop locates firmly against the back of one tooth. : The stop can be moved in the slot (3) to suit the saw blade. 2 523BA101 KN : 2 523BA127 KN 523BA126 KN - Adjusting sharpening depth : Swing the motor arm down until the required sharpening depth is reached – see "Sharpening profiles". : Screw home the travel limiting screw (1) until it butts against the stop lug (2). : Tighten down the knurled nut (3) firmly. 29 English Sharpening Limits 1 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 1 mm. 2 4 523BA128 KN 3 Scratcher tooth Checking Tooth Set – Sharpening depth: no more than diameter of blade body. After sharpening chisel tooth saw blades: – Do not reduce tooth height by more than 1/3. : – Do not touch back of next tooth with grinding wheel. Sharpening profiles Carbide tipped blade Chisel tooth, standard (1) – Chisel tooth, special (2) a 523BA136 KN – Use saw set (special accessory) to check tooth set (a) and correct if necessary. Sharpen carbide tip only – do not sharpen material of blade body. Scratcher tooth (3) Carbide tipped blade (4) 30 USG English Sharpening Circular Saw Blade Sharpening Remaining Teeth 2 The sharpening process now depends on how the teeth are ground. 1 523BA129 KN 3 Saw blade without bevel ground teeth (scale C = 0°): : Rotate the saw blade counterclockwise to the next tooth. : Sharpen all teeth with the same setting. Wear safety glasses and work gloves. Sharpening the First Tooth Saw blade with bevel ground teeth: : Push the saw blade clockwise against the stop (1) with your left hand. : Rotate the saw blade counterclockwise to the next tooth but one. : With the motor running, carefully swing the motor arm down. : : Only remove sufficient material to obtain a "clean" cutting edge. If necessary, use adjusting screw (2) to correct position of stop. Sharpen all the teeth in one row that have the same sharpening angle (every second tooth). : Then set scale C to the angle for the opposite row of teeth – all other settings are left unchanged, do not turn the saw blade over. : Now sharpen all the teeth in the second row. USG 31 English Complete machine Machine mounting Switch Power supply cord Visual inspection condition) Check operation Replace 1) X Dress X Clean 32 Replace X as required X X X X X X X X X Replace Check X X Replace Check X X Check profile Check X X Check Retighten 1) if damaged X Replace 1) Accessible screws and nuts Stop and lock if problem X Retighten Cooling air inlets Clamp and guide rail monthly X X Check Replace Shield weekly X Clean Check (wear) Grinding wheel after finishing work or daily Please note that the following maintenance intervals apply for normal operating conditions. If your daily working time is longer than normal or conditions are difficult, shorten the specified intervals accordingly. before starting work Maintenance Chart X X Have work performed by qualified electrician USG English 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: Maintenance Work Parts Subject to Wear and Tear 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. 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: If these operations are not carried out as specified, the user assumes responsibility for any damage that may occur. Among other things, this includes: – Alterations or modifications to the product not approved by STIHL. – – Using attachments or sharpening tools not approved by STIHL. Damage to the unit due to neglect or deficient maintenance. – – Using the product for purposes for which it was not designed. Corrosion and other consequential damage resulting from improper storage. – Consequential damage caused by continuing to use the product with defective components. – 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. USG – Grinding wheels – Carbon brushes – Transparent shield – Clamping lever and thrust pad – Clamping and guide rails – Stop 33 English Main Parts of Sharpener 4 1 1 5 7 4 6 8 5 523BA133 KN 9 3 5 3 Attachment for hedge trimmer blades 10 11 6 1 2 3 4 5 6 1 Star knob Spring Stop Adjusting screw Clamp Angle iron rail USG with attachment for Oilomatic saw chain Attachment for circular saw blades 1 2 3 4 5 6 7 8 9 10 11 1 2 3 4 5 34 Motor Switchbox Attachment Motor arm Clamping lever Thrust plate Travel limiting screw Stop Adjusting screw Grinding wheel Stop lug 2 523BA134 KN 2 4 2 523BA132 KN 3 Locator Shoulder stud Clamping lever Adjusting screw Stop USG English Specifications Special Accessories Maintenance and Repairs Motor Work light Type: Single-phase AC, squirrel-cage motor Foot-operated clamping attachment 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. 230 V 50 Hz 1.3 A 0.18 kW 2,800 RPM Diamond grinding wheel for carbide tipped saw chain and carbide tipped circular saw blades Operating voltage: Frequency: Rated current: Power rating: Motor speed: Equivalent sound pressure level 1) Lpeq Diamond dressing attachment Filing gauge Attachment (tool rest) for scratcher tooth chain Attachment (tool rest) for hedge trimmer blades 75 dB (A) Attachment (tool rest) for circular saw blades 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 STlHL parts can be identified by the STIHL part number, the STIHl logo and the STlHL parts symbol (. The symbol may appear alone on small parts. Saw set for checking and correcting tooth set Contact your STIHL dealer for the latest information on these and other special accessories. 1) according to EN ISO 11204, measured at operator’s ear while sharpening a saw chain USG 35 English Certificate of Conformity certify that the new machine described below Category: Make: Model: Serial identification: Universal sharpener STIHL USG 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 Technical documents deposited at: Andreas Stihl AG & Co. KG Product Licensing Done at Waiblingen, September 1, 2003 Andreas Stihl AG & Co. KG Steinhauser Director Group Product Management/ Engineering Services 000BA026 Andreas Stihl AG & Co. KG Badstr. 115 71336 Waiblingen Quality Certification 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
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