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545 Mark II, 545G Mark II, 550 XP

®

 Mark II,

550 XP

®

 G Mark II

EN

Operator's manual

2-37

Summary of Contents for 120e MARK II

Page 1: ...545 Mark II 545G Mark II 550 XP Mark II 550 XP G Mark II EN Operator s manual 2 37 ...

Page 2: ... II 545G Mark II 550 XP Mark II 550 XPG Mark II are chainsaw models with a combustion engine Work is constantly in progress to increase your safety and efficiency during operation Speak to your servicing dealer for more information Product overview 2 6 7 8 9 10 11 12 14 13 15 16 30 17 29 28 18 19 20 21 5 5 24 26 22 32 33 34 25 3 4 5 27 31 23 1 Cylinder cover 2 Spark plug 3 Spark plug cap 4 Air fil...

Page 3: ...e bar tip touch an object Do not operate the product with one hand only Warning Kickback can occur when the guide bar tip touches an object A kickback causes a lightning fast reverse reaction that throws the guide bar up and in the direction of the operator Can cause serious injury This product complies with applicable EC Directives Noise emissions to the environment according to European Directiv...

Page 4: ...ce Contact your servicing dealer or an experienced chainsaw user Do not attempt any task that you feel unsure of Safety instructions for operation WARNING Read the warning instructions that follow before you use the product Before using the product you must understand the effects of kickback and how to avoid them Refer to Kickback information on page 11 for instructions Never use a product that is...

Page 5: ...poisoning The exhaust fumes from the engine are hot and may contain sparks which can start a fire Do not start the product indoors or near flammable material Use the chain brake as a parking brake when you start the product and when you move short distances Always carry the product in the front handle This decreases the risk that you or a person near you get hit by the saw chain Overexposure to vi...

Page 6: ...ety devices on the product WARNING Read the warning instructions that follow before you use the product Do not use a product with defective safety devices Do a check of the safety devices regularly Refer to Maintenance and checks of the safety devices on the product on page 22 If the safety devices are defective speak to your Husqvarna servicing dealer Chain brake and front hand guard Your product...

Page 7: ...duct Muffler WARNING The muffler becomes very hot during after operation and at idle speed There is a risk of fire especially when you operate the product near flammable materials and or fumes WARNING Do not operate a product without a muffler or with a defective muffler A defective muffler can increase the noise level and the risk of fire Keep fire extinguishing tools near Do not use a product wi...

Page 8: ...afety checks maintenance and service instructions given in this manual Regular maintenance increases the life of the product and decreases the risk of accidents Refer to Maintenance on page 21 for instructions If the safety checks in this operator s manual is not approved after you do maintenance speak to your servicing dealer We guarantee that there are professional repairs and servicing availabl...

Page 9: ...is released correctly 3 Assemble the guide bar onto the bar bolts Move the guide bar to its most rear position 4 Install the saw chain correctly around the drive sprocket and put it in the groove on the guide bar WARNING Always use protective gloves when you assemble the saw chain 5 Make sure that the edges of the cutters point forward on the top edge of the guide bar 6 Align the hole in the guide...

Page 10: ...ce and extension of the engine life This fuel contains less harmful chemicals compared to regular fuel which decreases harmful exhaust fumes The quantity of remains after combustion is lower with this fuel which keeps the components of the engine more clean To mix fuel Gasoline Use good quality unleaded gasoline with a maximum of 10 ethanol contents CAUTION Do not use gasoline with an octane grade...

Page 11: ...NG This product has a function that lets the fuel run out before the chain oil Use the correct chain oil for this function to operate correctly Speak to your servicing dealer when you select your chain oil Use Husqvarna chain oil for maximum saw chain life and to prevent negative effects on the environment If Husqvarna chain oil is not available we recommend you to use a standard chain oil Use a c...

Page 12: ...t the chain brake must operate correctly Refer to Maintenance and checks of the safety devices on the product on page 22 for instructions about how to do a check of the chain brake We recommend you to do this each time before you use the product Second the force of the kickback must be large to engage the chain brake If the chain brake is too sensitive it can engage during rough operation Will the...

Page 13: ...Put your right foot into the footgrip on the rear handle 4 Pull the starter rope handle slowly with your right hand until you feel resistance WARNING Do not twist the starter rope around your hand 5 Pull the starter rope handle quickly and with force CAUTION Do not pull the starter rope to full extension and do not let go of the starter rope handle This can cause damage to the product a If you sta...

Page 14: ... decrease to idle speed after each cut CAUTION Engine damage can occur if the engine runs for too long at full throttle without load 1 Put the trunk on a saw horse or runners WARNING Do not cut trunks in a pile That increases the risk of kickback and can result in serious injury or death 2 Remove the cut pieces from the cutting area WARNING Cut pieces in the cutting area increase the risk of kickb...

Page 15: ...ts caught in the trunk Use a lever to open up the kerf and remove the product Do not try to pull the product out by hand This can result in injury when the product suddenly breaks free To use the limbing technique Note For thick branches use the cutting technique Refer to To use the cutting technique on page 14 WARNING There is a high accident risk when you use the limbing technique Refer to Kickb...

Page 16: ...hnique for the tension in the branch WARNING If you are not sure about how to cut the branch speak to a professional chainsaw operator before you continue Refer to To cut trees and branches that are in tension on page 19 for instructions on how to cut branches that are in tension To use the tree felling technique WARNING You must have experience to fell a tree If possible engage in a training cour...

Page 17: ...e and there is a high accident risk Refer to To free a trapped tree on page 19 WARNING During critical felling operations lift your hearing protection immediately when the sawing is complete It is important that you hear sounds and warning signals To clear the trunk and prepare your path of retreat Cut off all branches from your shoulder height and down 1 Cut on the pull stroke from the top down M...

Page 18: ...ut Make sure that the end of the bottom directional cut is at the same point as the end of the top directional cut 2 1 2 Make sure that the bottom directional cut is horizontal and at a 90 angle to the felling direction To use the safe corner method The felling cut must be made slightly above the directional cut WARNING Be careful when you cut with the guide bar tip Start to cut with the lower sec...

Page 19: ...om the tree To free a trapped tree WARNING It is very dangerous to remove a trapped tree and there is a high accident risk Keep out of the risk zone and do not try to fell a trapped tree The safest procedure is to use one of the following winches Tractor mounted Portable To cut trees and branches that are in tension 1 Figure out which side of the tree or branch that is in tension 2 Figure out wher...

Page 20: ...ture or ice on the air filter and the carburetor 1 Clothe a part of the air intake on the starter This increases the engine temperature 2 For temperatures below 5 C 23 F or in conditions with snow a winter cover is available Assemble the winter cover on the starter housing The winter cover decreases the flow of cool air and keeps snow away from the carburetor space Note Part number for winter cove...

Page 21: ... page 23To do a check of the front hand guard and the chain brake activation on page 22 Remove burrs from the edges of the guide bar Refer to To do a check of the guide bar on page 30 Clean the external parts of the carbu rettor Do a check of the chain catcher Re fer to To do a check of the chain catcher on page 23 Clean or replace the spark arrestor mesh on the muffler Do a check of the fuel filt...

Page 22: ... the brake 2 Do a check of the brake band The brake band must be at a minimum of 0 6 mm 0 024 in thick at its thinnest point To do a check of the front hand guard and the chain brake activation 1 Make sure that the front hand guard is not damaged and that there are no defects such as cracks 2 Make sure that the front hand guard moves freely and that it is attached safely to the clutch cover 3 Hold...

Page 23: ...er is in the idle position speak to your servicing dealer To do a check of the chain catcher 1 Make sure that there is no damage on the chain catcher 2 Make sure that the chain catcher is stable and attached to the body of the product To do a check of the right hand guard Make sure that the right hand guard is not damaged and that there are no defects such as cracks To do a check of the vibration ...

Page 24: ...servicing dealer The product adjusts correctly after some fuelings To replace a broken or worn starter rope 1 Loosen the screws to the starter housing 2 Remove the starter housing 3 Pull out the starter rope approximately 30 cm 12 in and put it in the notch on the pulley 4 Let the pulley rotate slowly rearward to release the recoil spring 5 545 Mark II 545G Mark II Remove the center screw A sleeve...

Page 25: ...rter To clean the air filter Clean the air filter regularly from dirt and dust This prevents carburetor malfunctions starting problems loss of engine power wear to engine parts and more fuel consumption than usual 1 Remove the cylinder cover and the air filter 2 Use a brush or shake the air filter clean Use detergent and water to clean it fully Note An air filter that is used for a long time can n...

Page 26: ...or damaged guide bar or saw chain with the guide bar and saw chain combination recommended by Husqvarna This is necessary to keep the safety functions of the product Refer to Accessories on page 34 for a list of replacement bar and chain combinations that we recommend Guide bar length in cm Information about the guide bar length can usually be found on the rear end of the guide bar Number of teeth...

Page 27: ... the sharpening instructions Note Refer to Filing equipment and filing angles on page 35 for information about sharpening of the saw chain To sharpen the cutters 1 Use a round file and a file gauge to sharpen the cutting teeth Note Refer to Filing equipment and filing angles on page 35 for information about which file and gauge that Husqvarna recommends for your saw chain 2 Apply the file gauge co...

Page 28: ...he part of the depth gauge that extends through the depth gauge tool To adjust the tension of the saw chain WARNING A saw chain with an incorrect tension can come loose from the guide bar and cause serious injury or death A saw chain becomes longer when you use it Adjust the saw chain regularly 1 Loosen the bar nuts that hold the clutch cover chain brake Use a wrench Note Some models have only one...

Page 29: ...hand guard rearward to disengage the chain brake 2 Loosen the bar nuts and remove the clutch cover Note Some models have only one bar nut 3 Put the product on a stable surface with the clutch drum up 4 Lubricate the needle bearing with a grease gun Use engine oil or a bearing grease of high quality To examine the cutting equipment 1 Make sure that there are no cracks in rivets and links and that n...

Page 30: ... and the chain oil tank Drain and clean the fuel tank and the chain oil tank regularly Replace the fuel filter yearly or more frequently if necessary CAUTION Contamination in the tanks causes malfunction To adjust the chain oil flow WARNING Stop the engine before you make adjustments to the oil pump 1 Turn the adjustment screw for the oil pump Use a screwdriver or combination wrench a Turn the adj...

Page 31: ...ne does not start Product part to examine Possible cause Action Starter pawls The starter pawls are blocked Adjust or replace the starter pawls Clean around the pawls Speak to an approved service work shop Fuel tank Incorrect fuel type Drain the fuel tank and fill with cor rect fuel The fuel tank is filled with chain oil If you have tried to start the product speak to your servicing dealer If you ...

Page 32: ...transportation of the product and fuel make sure that there are no leaks or fumes Sparks or open flames for example from electrical devices or boilers can start a fire Always use approved containers for storage and transportation of fuel Empty the fuel and chain oil tanks before transportation or before long term storage Discard the fuel and chain oil at an applicable disposal location Use the tra...

Page 33: ... Adjustable Adjustable Adjustable Adjustable Weight Weight kg 5 3 5 5 5 3 5 5 Noise emissions2 Sound power level measured dB A 114 114 115 115 Sound power level guaranteed LWA dB A 116 116 117 117 Sound levels3 Equivalent sound pressure level at the operator s ear dB A 106 106 107 107 1 Always use the recommended spark plug type Use of the wrong spark plug can damage the piston cylinder 2 Noise em...

Page 34: ...ck saw chain meets the low kickback requirement specified in ANSI B175 1 2012 Kickback and guide bar nose radius For sprocket nose bars the nose radius is specified by the number of teeth such as 10T For solid guide bars the nose radius is specified by the dimension of the nose radius For a given guide bar length you can use a guide bar with smaller nose radius than given Note The usable cutting l...

Page 35: ...5 56 Yes 15 38 64 16 41 12T 66 18 46 72 20 50 80 13 33 0 325 0 058 1 5 11T Husqvarna H21 56 15 38 64 16 41 12T 66 18 46 72 20 50 80 Pixel Pixel is a guide bar and saw chain combination that is more light weight and designated to offer more energy efficient use by cutting narrow cuts Both guide bar and saw chain need to be Pixel to get these benefits Pixel cutting equipment is marked with this symb...

Page 36: ...SP33G 4 8 mm 3 16 in 586 93 84 04 0 025 in 0 65 mm 30 80 H25 505 69 81 09 80 H21 505 69 81 09 60 36 544 005 10 05 2019 ...

Page 37: ...9 EN ISO 11681 1 2011 EN 50581 2012 Notified body 0404 RISE SMP Svensk Maskinprovning AB Box 7035 SE 750 07 Uppsala Sweden has carried out EC type examination in accordance with the machinery directive s 2006 42 EC article 12 point 3b The certificates for EC type examination in accordance with annex VI has the numbers 0404 18 2514 545 Mark II 0404 18 2514 545G Mark II 550 XP Mark II and 550 XPG Ma...

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Page 40: ...www husqvarna com Original instructions 1159727 26 2019 05 23 ...

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