Oregon 613GC User's Manual
Contents
1. 613GC CUT OFF SAW OPERATOR S MANUAL ICS Blount Inc 4909 SE International Way Portland OR 97222 www icsbestway com Copyright ICS 2003 P N 70701 May 03 613GC OPERATOR S MANUAL 613GC OPERATOR S MANUAL TABLE OF CONTENTS SYMBOLS amp LABELS 4 SAFETY 9 TECHNICAL SPECIFICATIONS 8 SET UP 9 OPERATION 11 MAINTENANCE 16 TROUBLESHOOTING 23 REFERENCE 24 613GC OPERATOR S MANUAL SYMBOLS amp LABELS THE FOLLOWING SYMBOLS amp DEFINITIONS ARE FOUND THROUGHOUT THIS MANUAL AND ARE DESIGNED TO MAKE YOU AWARE OF POTENTIAL HAZARDS OR UNSAFE PRACTICES A potentially hazardous situation exists which if not avoided could Fr WARNING result in death or serious injury A potentially hazardous situation exists which if not avoided may result in minor or moderate injury or property damage A potential situation exists which if not avoided may result in IMPO RTANT product or property damage THE FOLLOWING SYMBOLS amp LABELS MAY BE FOUND IN THIS MANUAL OR ON THE CUT OFF SAW Read the operator s manual carefully and understand the contents before you use this equipment Always use e Protective helmet e Ear protection e Protective glasses or full face protection Wear hand protection Dg NOT Insert tool inio slot nampar than chain Da MOT operaie tool without solid footing and firm hand grip CC Use only in well ventilated area Failure to observe these precautions M can resul2. are in proper working order e Be sure there are no obstructions plumbing electrical conduit air ducts and no unnecessary people present e Always wear protective clothes including hard hat eye protection hearing protection non slip safety boots gloves and avoid wearing loose fitting clothing Diamond chains with SealPro require a minimum water pressure of 20 psi 1 4 bar sfalPro US ond chain PLANNING THE CUT g e Outline the cut with a permanent marker for a visual cutting guide e Avoid pinching the guide bar and diamond chain Always cut the bottom of an opening first then top and then the sides Save the easiest cut for last e For the straightest cuts use the Step Cut method First score the entire cut line approximately a half inch deep using the nose of the guide bar Next deepen the cut by about two inches Then plunge all the way through and complete the cut using the Wallwalker e Be sure cut concrete cannot fall and injure operator or bystanders Concrete is very heavy one cubic foot 12 x12 x12 150 lbs 30cm x 30cm x 30cm 68kg e Check for live electrical wiring near the cutting area or in the concrete to avoid electrocution 13 613GC OPERATOR S MANUAL OPERATION CUTTING WITH THE 613GC CUT OFF SAW To start a cut hold trigger on full throttle and slowly plunge the nose of the guide bar straight into the wall Lengthen the cut and engage the point of the fixed Wallwalker Us
3. is fully rotated upwards pull the cut off saw out of the cut a few inches and re engage the pick into the cut and repeat e When cutting heavy rebar slowly rock the cut off saw so that you re always cutting concrete as well as steel This will help keep the diamonds exposed Also expect less diamond chain life when cutting heavy rebar e Expect more diamond chain stretch when making nose buried cuts for extended periods of time as the diamond chain does not have a chance to throw the slurry away from the nose of the guide bar e f the cut off saw begins to cut consistently crooked turn the guide bar over and use the other side Dress worn rails with belt grinder Note The normal life of a guide bar is 2 to 3 diamond chains Heavy rebar can shorten guide bar life e When using a new diamond chain you can increase the cutting speed by opening up the diamonds Make a few cuts in an abrasive material such as a cinder block 14 613GC OPERATOR S MANUAL OPERATION SYSTEM CLEAN UP e After cutting run the cut off saw for at least 15 seconds with the water on to flush slurry and debris from diamond chain guide bar and drive sprocket e Wash concrete slurry from cut off saw assembly e Avoid getting any water in the carburetor or exhaust system If water enters exhaust port point the guide bar tip down and pull the starter handle several times to expel water from muffler e Remove guide bar and diamond chain Flush out th
4. throttle lock chain is free of any obstructions 7 Place right foot on the base of the rear handle Place left hand on front handle 9 With right hand slowly pull starter handle until the starter pawls engage 10 Pull the starter cord hard fast short pulls until engine fires or pops should be 1 to 7 pulls 11 Push the choke lever in 12 Check decompression valve Press if necessary 13 Pull the starter cord until engine starts should be 1 to 2 pulls 14 When the engine starts allow the engine to idle Pull on the throttle trigger several times to help warm up the engine Figure 2 Decompression valve 15 Open the water valve completely Warm Engine Starting Procedure 1 Use the same procedure as starting cold engine but DO NOT pull choke lever out Ii choke is used the carburetor will flood with gas 2 If the engine does not start in 3 hard fast pulls with the throttle locked unlock the throttle and pull the starter cord 3 more times Note To hold the trigger fully open it may be necessary to insert right foot into rear handle opening and twist 12 613GC OPERATOR S MANUAL OPERATION PRE CUT CHECKLIST e Proper Diamond Chain Installation The bumper should lead the segment into the cut e Proper Diamond Chain Tension The diamond chain should be tight but easily pulled around the guide bar by hand e Ensure all safety devices are properly mounted and functional and that all controls
5. 13GC OPERATOR S MANUAL MAINTENANCE AIR FILTER The air filter is made from a nylon micro mesh It must be kept clean IMPO RTANT for the engine to operate properly If the cut off saw is not reaching full RPM most likely the air filter is dirty The air filter Figure 1 should be free of holes and white in color Replace air filter when dirty Figure 1 STARTER HOUSING ASSEMBLY It is common for concrete slurry to get inside the starter housing IMPO RTANT assembly during cutting This can cause the starter pawls to stick and not engage when the rope is pulled into the starter housing through the vents Figure 2 STARTER CORD REPLACEMENT After each usage thoroughly flush the starter housing assembly with water Figure 2 Lubricate the starter pawls by spraying light weight oil Check the starter cord for fraying replace if necessary Figure 2 Remove the 4 screws that attach the starter assembly to the crankcase Pull the cord out approximately 8 and lift the cord up into the notch in the pulley Figure 3 Relax the recoil spring by placing thumb on pulley and gently allow the pulley to unwind entirely Undo the screw in the center of the pulley and remove the pulley Pari Thread the new cord through the starter cover and fasten it to the pulley Wind 4 turns of the starter cord on to the pulley Assemble the starter pulley against the recoil spring so the end of the spring engages into the backside
6. ERATOR S MANUAL SET UP GUIDE BAR AND DIAMOND CHAIN INSTALLATION STEP 1 STEP 4 Loosen side cover nuts and remove side Mount the diamond chain on the guide bar cover starting at the drive sprocket amp continue over the guide bar nose Install the diamond chain correctly The bumper must always lead the segment into the cut as shown here VO STEP 3 STEP 5 Move chain adjuster pin back towards drive Make sure all the drive links are inside the sprocket by turning chain tensioning screw guide bar groove then pre tension the chain counter clockwise 613GC OPERATOR S MANUAL SET UP GUIDE BAR AND DIAMOND CHAIN INSTALLATION STEP 6 STEP 8 Install side cover and thread the side cover Hold the guide bar nose up and tension the nuts on finger tight chain The chain should be tight but able to be pulled around the guide bar by hand See Note 2 STEP 7 Manually pull the chain across the top of the STEP 9 guide bar away from the Wallwalker It is Continue to lift up on the nose of the guide bar normal for the chain hanging under the guide and firmly tighten the side cover nuts bar to alternately tighten and loosen as the See Note 3 chain rotates See Note 1 Note 1 Be aware that the guide bar rails may develop sharp edges over time so always pull the diamond chain by the diamond segments Note 2 Do not over tension the diamond chain Loss of power will result It is normal for the drivelin
7. S LISTED ON THIS PAGE A potentially hazardous situation exists which if not avoided may dh CAUTION result in minor or moderate injury or property damage e Always turn a chain based cut off saw OFF when performing maintenance on the saw including diamond chain tensioning e Never use equipment that is not functioning properly Have the cut off saw repaired by qualified service personnel e Turn engine OFF before refueling Keep away from open flame Always provide adequate ventilation when handling fuel Move chain based cut off saw at least 10 feet 3 m away from refueling area before starting e SealPro diamond chains require a minimum water pressure of 20 psi 1 4 bar Insufficient water supply may result in excessive wear to the diamond chain which can lead to loss of strength and diamond chain breakage e Never start a chain based cut off saw unless the guide bar diamond chain and side cover are properly installed GENERAL SAFETY PRECAUTIONS e Always wear protective clothes including hard hat eye protection hearing protection and gloves e Avoid loose fitting clothing e Perform safety checks before starting each day e Always operate tool with solid footing and with both hands on cut off saw e Remove or control slurry to prevent slippery conditions while cutting e Be sure there are no obstructions plumbing electrical conduit air ducts and no unnecessary people present e Setup a well marked safety zone with
8. a roped boundary and clear signs e Provide adequate ventilation when working in an enclosed area Breathing exhaust gases is dangerous e avoid electrocution check for live electrical wiring near cutting area 613GC OPERATOR S MANUAL SAFETY THE FOLLOWING SYMBOL APPLIES TO ALL ITEMS LISTED ON THIS PAGE A potential situation exists which if not avoided may result in IMPO RTANT product or property damage Note The chain based cut off saw is equipped with a two stroke engine and must always be run using a mixture of gasoline and ICS two stroke engine oil Its is important to accurately measure the amount of oil to be mixed to ensure that correct mixture is obtained When mixing small amounts of fuel even small inaccuracies can drastically affect the ratio of the mixture e This engine is designed to be operate on premium unleaded gasoline e Use high quality unleaded gasoline with a minimum octane rating of 90 If lower octane gasoline is used engine temperature will increase which can result in a piston seizure and damage to the engine e Fuel mixture 25 1 gasoline oil mixture Incorrect fuel mixture is the number one cause of piston seizure Use ICS brand two stroke engine oil or other high quality 2 stroke oil that has been formulated for air cooled power equipment e Never use two stroke oil formulated for water cooled two cycle engines such as outboard motor oil e Never use motor oil intended for four s
9. e chain tensioner with high water pressure and lube with grease e After cleaning the cut off saw spray the entire saw body diamond chain guide bar and drive sprocket with a lightweight oil Using lightweight oil on the cut off saw will minimize rust and help reduce slurry build up 15 613GC OPERATOR S MANUAL MAINTENANCE Follow these simple maintenance guidelines and the 613GC Cut Off Saw will keep running at its very best AFTER EACH USE 1 Rinse the saw guide bar and diamond chain with water 2 Follow instructions on the Daily Maintenance Label located on the air filter cover Inspect and tighten all fasteners as necessary Inspect drive sprocket for tooth wear and replace if tooth tips are pointed Inspect the starter cord Replace if frayed Clean air filter with solvent Inspect the air filter for holes Replace as necessary Spray saw guide bar and chain with lightweight oil Grease the chain tensioner AFTER 10 HOURS OF USE 1 Remove the starter cover and lubricate the starter recoil spring Clean the flywheel fins and the starter pawls with a wire brush then grease the starter pawls 2 Remove the spark plug and clean with a wire brush Check the electrode gap The correct gap is 0 020 inches 0 5mm AFTER 40 HOURS OF USE 1 Change the spark plug Adjust the electrode to 0 020 inches 0 5mm 2 Check the fuel filter located inside the fuel tank Clean or replace if clogged 16 6
10. e the fixed Wallwalker as a pivot point and pull up on the rear handle to rotate the guide bar into the cut CUTTING TIPS e Always operate the chain based cut off saw at full throttle Apply enough feed force so that the free running RPM drops 20 to 30 If too much force is applied the cut off saw will lug or stall The diamond chain will not have enough speed to cut effectively If too little feed force is applied the diamonds will skid and glaze over e For straighter cuts use the step cut method First score the entire cut line with the nose of the guide bar approximately 1 2 inch 12mm to 1 inch 25mm deep Next deepen the cut by about 2 inches 50 mm This groove will help guide the guide bar for a straight cut Then plunge all the way through and complete the cut using the fixed Wallwalker e Plunge cut instead of starting at the top of the wall This will reduce chatter extend diamond life create a straighter cut and more quickly enable the use of the fixed Wallwalker e Use the fixed Wallwalker to cut efficiently and reduce user fatigue The fixed Wallwalker is a fulcrum that can be used to apply additional force when cutting To use correctly plunge into the wall and simply engage the point of the fixed Wallwalker into the cut and pry upward with the rear handle um Wallwalker point the cut off saw begins to rotate up feed force is developed down the line of the intended cut Once the cut off saw
11. e the guide bar to lift twist or pry concrete material 22 613GC OPERATOR S MANUAL TROUBLESHOOTING e CUT OFF SAW WON T REACH FULL RPM Air filter or pre filter may be dirty e SLOW DIAMOND CHAIN SPEED Diamond chain tension too tight Diamond chain should always be able to be pulled around the guide bar by hand It is normal for the diamond chain drive links to hang below the guide bar e POOR CUTTING SPEED Diamonds may be glazed over Make a few cuts in an abrasive material such as a cinder block to expose the diamonds e CHAIN TENSIONER BREAKAGE Side cover nuts are not tight enough Torque to 20 ft lbs 27Nm e WATER NOT FLOWING Water hose is kinked or supply is not turned on e WON T START Turn ignition switch on or possible defective spark plug e WON T START Low compression less than 120 psi 8 bar Possible incorrect fuel mixture Reference new 150 to 180 psi 10 to 12 bar used 140 to 160 psi 9 to 11 bar e DIFFICULT TO START Possible flooded engine Turn ignition switch on push choke in hold throttle on full with foot and pull starter cord until engine starts e DIFFICULT TO START Possible fouled spark plug Remove spark plug clean with wire brush and re gap e DIAMOND CHAIN BREAKAGE Diamond chain installed backwards Bumpers should lead segments into the cut e DIAMOND CHAIN BREAKAGE Not enough feed pressure while cutting Avoid letting the cut off saw bounce and chatter Fur
12. ks to hang underneath the guide bar The diamond chain should be tight but be able to be pulled around the guide bar by hand Note 3 To prevent chain tensioner breakage be sure the side cover nuts are tightened to approximately 20 ft lbs 27Nm 10 613GC OPERATOR S MANUAL OPERATION FUEL HANDLING A CAUTION FUEL MIXTURE 25 1 gasoline oil mixture GASOLINE GASOLINE OL 9 2 S Gallon oz L 1 4 52 Liters e Use premium unleaded gasoline with a minimum octane rating of 90 If lower octane gasoline is used engine temperature will increase which can result in a piston seizure and damage to the engine e Always provide adequate ventilation when handling fuel e Use caution when handling gasoline Avoid direct contact with skin or inhaling fuel vapor FUEL MIXING e Always mix gasoline and oil in a clean container intended for use with fuel e Keep fuel container closed tightly to prevent moisture from getting into the fuel e Always begin mixing fuel by adding half the amount of gasoline to be used Then add the correct amount of two stroke oil for 25 1 mixture and finish filling the container with gasoline Do not mix more than one month s supply of fuel This helps prevent the separation of the two stroke oil from the gasoline varnishing e f the cut off saw is not used for an extended period of time 3 months the fuel tank should be emptied and cleaned FUELING e Always shut off the cut off
13. m wrench to turn the clutch clockwise and remove Slide the clutch cup drive sprocket assembly off the shaft Remove the needle bearing and inspect for heavy wear or damage Figure 1 DRIVE SPROCKET INSTALLATION Slide the rim sprocket onto the splined adapter either side out Apply a liberal amount of grease to the needle bearing Place the thin metal washer onto drive shaft Slide the needle bearing and clutch cup w rim sprocket onto shaft Figure 2 Install the clutch by turning it counter clockwise on the drive shaft and firmly tighten Replace the clutch slurry shield Installation of drive sprocket assembly is now complete Figure 2 SPARK PLUG A worn or fouled spark plug can cause a loss of power difficulty starting or rough idle Figure 3 If the spark plug is dirty clean it with a wire brush and check the electrode gap Readjust if necessary The correct gap is 020 0 50mm The spark plug should be replaced after 40 hours of operation or earlier if the electrode is badly corroded Always use the recommended spark plug type Using the wrong spark plug can severely damage the piston and cylinder Champion RCJ7Y Figure 3 20 613GC OPERATOR S MANUAL MAINTENANCE CARBURETOR The function of the carburetor is to mix fuel with air Adjustments other than Idle speed should be made by a servicing dealer Before adjusting the engine idle speed make sure the air filter is clean and the e
14. ngine is warmed up T Idle Screw is adjusted so that the engine idles smoothly but the clutch does not engage If cut off saw has been running satisfactorily and there is a gradual decrease in power and drop in RPM at full throttle the filter may have become dirty or saturated with water 21 613GC OPERATOR S MANUAL MAINTENANCE GUIDE BARS e The guide bar is designed to be used on both sides If the cut is consistently leading to one side turn the guide bar over to expose a new set of guide rails e Atable mounted belt or disc sander can be used to square the rails of a worn guide bar A badly worn guide bar can quickly damage an expensive diamond chain If the diamond chain is touching the bottom of the guide bar groove replace the guide bar e Check the guide bar for straightness Minor adjustments can be made by bending the guide bar slightly e Proper diamond chain tension will extend guide bar life See page 9 e Under some circumstances especially low water pressure the sprocket nose can wear out before the guide bar body Sprocket nose replacement kits may be purchased from an Authorized Dealer part 70249 e Spray the diamond chain and guide bar with lightweight oil for storage e Store guide bar with the sprocket nose up e Periodically clean the water ports inside the groove of the guide bar using a small diameter piece of wire e The guide bar is solely a guide track for the diamond chain Never us
15. of the pulley Install the retaining screw in the center of the pulley Figure 3 17 613GC OPERATOR S MANUAL MAINTENANCE TENSIONING THE RECOIL SPRING e Lift the starter cord up into the notch on the starter pulley Figure 4 and wind the pulley clockwise 5 full turns Remove the cord from the pulley notch while pinching the pulley Release the pulley slowly allowing it to wind the rope counterclockwise onto the pulley J e When completed the starter handle should be pulled back in the starter housing under it s own tension A wj T check that the starter pulley was assembled correctly pull the cord completely out of the housing grip the pulley and turn clockwise another 1 2 turn If the pulley turns another 2 turn it is correctly assembled Figure 4 STARTER HOUSING ASSEMBLY e o reattach the starter housing first pull the starter cord out then hold the starter housing against the crankcase Figure 5 Slowly release the starter cord to enable the pulley to fit between the pawls e Insert and tighten the screws Use blue Loctite 242 Figure 5 18 613GC OPERATOR S MANUAL MAINTENANCE CHAIN TENSIONER The chain tensioner Figure 1 can become clogged with concrete IMPORTANT slurry during cutting After each use thoroughly flush the chain tensioner with water Then apply a liberal amount of grease Most Common Causes of Tensioner Damage Chain Tensioner e Side cover nuts are not
16. saw before fueling e Before fueling clean the area around fuel cap to prevent dirt from contaminating the fuel Contamination of the fuel tank can lead to cut off saw malfunction e Thoroughly mix the fuel in it s container before fueling e Slowly open the fuel cap to release any pressure that may have built up in the tank e After adding fuel tighten the fuel cap carefully and secure with a wrench 11 613GC OPERATOR S MANUAL OPERATION STARTING AND STOPPING A CHAIN BASED CUT OFF SAW Never start a chain based cut off saw without the guide bar A WARNING diamond chain and side cover properly assembled The clutch may come loose and cause personal injury Always move a chain based cut off saw at least 10 feet 3 m away CAUTION from the fueling area before starting Place the chain based cut off saw on clear ground Ensure that IMPO RTANT secure footing is established and diamond chain is not contacting any objects COLD ENGINE STARTING PROCEDURE 1 Toggle the ignition switch to the ON position and pull the choke lever out 2 Lock the throttle in the start position by depressing the trigger A and trigger interlock B at the same time 3 Depress and hold throttle lock button C while releasing the trigger and trigger interlock in succession 4 Press decompression valve D 5 Open the water valve 4 turn Figure 1 Trigger trigger interlock 6 Place the 613GC Cut Off Saw on the ground making sure the
17. t in serious Injury 613GC OPERATOR S MANUAL SAFETY THE FOLLOWING SYMBOL APPLIES TO ALL THE ITEMS LISTED ON THIS PAGE A potentially hazardous situation exists which if not avoided could A WARNING result in death or serious injury Diamond chain breakage can result in high speed ejection of parts which can result in death or serious personal injury to operators or bystanders The items listed below are critical to minimizing the risk of diamond chain breakage and injury e DONOT operate a chain based cut off saw with a damaged modified broken or missing side cover bottom guard or guard flap The side cover bottom guard and guard flap provides protection against contact with moving parts ejected debris broken diamond chain thrown water and concrete slurry e DO NOT install or run the diamond chain backwards The bumper must lead the segment into the cut Bumper e DONOT insert a chain based cut off saw into a slot narrower than the diamond chain segments Rapid pushback might occur Reference Most diamond segments are 225 inches 5 72 mm wide e DO NOT use damaged modified or improperly repaired diamond chain e DO NOT run a chain based cut off saw upside down Concrete debris can fly back into the operator s face e DO NOT cut ductile iron pipe with the chain based cut off saw Segment loss or diamond chain breakage may occur 613GC OPERATOR S MANUAL SAFETY THE FOLLOWING SYMBOL APPLIES TO ALL ITEM
18. ther questions Call 1 800 321 1240 or visit our website at www icsbestway com 23 613GC OPERATOR S MANUAL REFERENCE APPROXIMATE CUTTING RATES Cutting Rate Hard aggregate amp Steel 15 25 sq in min 90 160 sq cm min Medium aggregates 20 30 sq in min 160 190 sq cm min Masonry Soft aggregates 30 50 sq in min 190 320 sq cm min INCH FOOT DEFINITION An in ft is a measure of how much material is to be cut An in ft is defined as depth in inches times length in feet Note 129 in ft 1m Example How many in ft are in this doorway Seer 4 PAPROCKI MEVS ME S Zr DAD TY MN 1 Determine the depth of the cut in inches For this example 8 inches 2 EZ ee L mete z a ES ay Ac is uA ws eT 2 Determine the length of the cut in feet 3 3 7 20 feet ey se SE 7 y AE ESS st ZEN 5 3 pet ED 3 Teka oo dup b PARE ZO r V Eod a sA Y 8 RARE Pare ie x ane 3 Multiply the two numbers 8 in x 20 ft 160 in ft P ey NUM iad 4 A EM PAM 48 2 M Fe Mgt t LA Y al en DU SOMME o E P o I ss A 24 613GC OPERATOR S MANUAL NOTES 25 613GC OPERATOR S MANUAL ICS Blount Inc 4909 SE International Way Portland Oregon 97222 TEL 800 321 1240 FAX 503 653 4393 www icsbestway com
19. tight enough Side cover nuts should be torqued to 20 ft lbs 27Nm e Chain tensioning is attempted without loosening the side cover nuts e Concrete debris in tensioner pocket Figure 1 DRIVE SPROCKET The drive sprocket rim sprocket is a wear item and should be replaced every 2 3 diamond chains IMPORTANT IMPORTANT The needle bearing inside the splined adapter should be greased IMPO RTANT regularly and should be replaced with each new clutch cup A rim sprocket system Figure 2 consists of a clutch cup w Cup Adapter Sprocket splined adapter and a rim sprocket When the rim sprocket wears Out it is the only part that needs to be replaced The clutch cup w splined adapter is a wear item that needs replacement after 3 to 5 rim sprockets have been used e Inspect the rim the rim sprocket for wear Replace the rim sprocket if the drive teeth become pointed e Check the drive sprocket bearing by spinning clutch cup Replace the bearing if it is worn out e The needle bearing on the drive shaft must be greased regularly use high quality water resistant bearing grease Figure 2 19 613GC OPERATOR S MANUAL MAINTENANCE DRIVE SPROCKET REMOVAL Remove the side cover guide bar diamond chain and clutch slurry shield Remove the spark plug and insert the piston stop Supplied with each cut off saw into the spark plug hole Pull the starter cord slowly until the piston stops Figure 1 Use a 19m
20. troke engines ENGINE BREAK IN e itis very important to break in a new engine to seat all moving parts especially the piston rings e To break in the engine run one full tank of 25 1 fuel at idle cycling the throttle every 5 to 10 minutes to prevent loading e Failure to break in an engine may result in piston seizure 613GC OPERATOR S MANUAL TECHNICAL SPECIFICATIONS Engine Type Displacement Horsepower Torque Engine Speed Diamond Chain Speed Weight Cut Depth Dimensions Air Filter Carburetor Starter Ignition Clutch Fuel ratio Fuel Capacity Water Supply Noise Level Vibration Level Engine Break in Period Spark Plug 2 stroke Single Cylinder Air Cooled 4 88 cu in 80cc 5 6 HP 4 6 kw 9 000 RPM 37 2 in lbs 4 2 Nm 12 000 500 rpm 2 800 3 200 rpm idle In cut 4 000 sfm No load 5 300 sfm 20 lbs 9 1 kg with guide bar and diamond chain Up to 12 inches 30 5cm 10 inches square 25 4cm 18 inches 46cm length 11 5 inches 29cm height 10 inches 25cm width Washable dry nylon Walbro WJ85B throttle shaft sealed pressure compensating Dust and water shielded opecial water resistant electronic ignition Three weight single spring 25 1 gasoline to oil 34 oz 1 Liter 15 18 minutes run time per tank Minimum 20psi 1 5 bar 100dB at 3 ft 1m 10 5 m s front handle One tank without cutting cycling throttle Champion CJ7Y or Bosch BWS7F 613GC OP
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