Husqvarna 55 EPA I Operator'S Manual Download

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Summary of Contents for 55 EPA I

Page 1: ...E E E En n n ng g g gl l l li i i is s s sh h h h 55 EPA I Operator s manual Please read the operator s manual carefully and make sure you understand the instructions before using the machine ...

Page 2: ...serious personal injury Other symbols decals on the machine refer to special certification requirements for certain markets Symbols in the operator s manual Switch off the engine by moving the stop switch to the STOP position before carrying out any checks or maintenance Always wear approved protective gloves Regular cleaning is required Visual check Protective goggles or a visor must be worn Refu...

Page 3: ...ND STOPPING Starting and stopping 19 WORKING TECHNIQUES Before use 21 General working instructions 21 How to avoid kickback 28 MAINTENANCE General 29 Carburetor adjustment 29 Checking maintaining and servicing chain saw safety equipment 30 Muffler 32 Starter 32 Air filter 33 Spark plug 34 Lubricating the bar tip sprocket 34 Needle bearing lubrication 34 Cooling system 34 Winter use 35 Maintenance ...

Page 4: ... and market high quality motor driven products for forestry and gardening as well as for building and construction industry Your purchase gives you access to professional help with repairs and service whenever this may be necessary If the retailer who sells your machine is not one of our authorized dealers ask for the address of your nearest servicing dealer It is our wish that you will be satisfi...

Page 5: ...Stop switch Ignition on off switch 11 Fuel tank 12 Muffler 13 Bar tip sprocket 14 Chain 15 Bar 16 Bumper spike 17 Chain catcher Catches chain if it jumps or breaks 18 Clutch cover 19 Right hand guard Protects right hand if chain breaks or jumps 20 Throttle control 21 Throttle lock Prevents accidental operation of throttle control 22 Combination spanner 23 Chain tensioning screw 24 Operator s manua...

Page 6: ...very important that you read and understand the contents of this operator s manual WARNING The inside of the muffler contain chemicals that may be carcinogenic Avoid contact with these elements in the event of a damaged muffler WARNING Long term inhalation of the engine s exhaust fumes chain oil mist and dust from sawdust can represent a health risk IMPORTANT The machine is only designed for cutti...

Page 7: ...d and the risk of accidents can increase if machine maintenance is not carried out correctly and if service and or repairs are not carried out professionally If you need further information please contact your nearest servicing dealer Chain brake and front hand guard Your chain saw is equipped with a chain brake that is designed to stop the chain if you get a kickback The chain brake reduces the r...

Page 8: ... reduce the risk of moving chain accidentally hitting your leg or anyone or anything close by To release the chain brake pull the front hand guard backwards towards the front handle Kickback can be very sudden and violent Most kickbacks are minor and do not always activate the chain brake If this happens you should hold the chain saw firmly and not let go The way the chain brake is activated eithe...

Page 9: ...nt We recommend you do before you begin each work session Second the kickback must be strong enough to activate the chain brake If the chain brake is too sensitive it would activate all the time which would be a nuisance Will my chain brake always protect me from injury in the event of a kickback No First the chain brake must be in working order to provide the intended protection Second it must be...

Page 10: ...ng and servicing the machine s safety equipment Cutting equipment This section describes how to choose and maintain your cutting equipment in order to Reduce the risk of kickback Reduce the risk of the saw chain breaking or jumping off the bar Obtain optimal cutting performance Extend the life of cutting equipment Avoid increasing vibration levels WARNING Overexposure to vibration can lead to circ...

Page 11: ...ack Chain A chain is made up of a number of links which are available in standard and low kickback versions Some terms that describe the bar and chain To maintain the safety features of the cutting equipment you should replace a worn or damaged bar or chain with a bar and chain combinations recommended by Husqvarna See instructions under the heading Technical Data for a list of replacement bar and...

Page 12: ...y difficult to sharpen a chain correctly without the right equipment We recommend that you use our file gauge This will help you obtain the maximum kickback reduction and cutting performance from your chain See instructions under the heading Technical data for information about sharpening your chain Sharpening cutting teeth To sharpen cutting teeth you will need a round file and a file gauge See i...

Page 13: ...ting is correct when you no longer feel resistance as you draw the file along the depth gauge tool Tensioning the chain The more you use a chain the longer it becomes It is therefore important to adjust the chain regularly to take up the slack Check the chain tension every time you refuel NOTE A new chain has a running in period during which you should check the tension more frequently Tension the...

Page 14: ... that you also use the recommended cutting equipment a bar that is too long will use more chain oil Checking chain lubrication Check the chain lubrication each time you refuel See instructions under the heading Lubricating the bar tip sprocket Aim the tip of the bar at a light coloured surface about 20 cm 8 inches away After 1 minute running at 3 4 throttle you should see a distinct line of oil on...

Page 15: ...0 16 inch the chain must be replaced Bar Check regularly Whether there are burrs on the edges of the bar Remove these with a file if necessary Whether the groove in the bar has become badly worn Replace the bar if necessary Whether the tip of the bar is uneven or badly worn If a hollow forms on the underside of the bar tip this is due to running with a slack chain To prolong the life of the bar yo...

Page 16: ...r the drive sprocket and that the chain is correctly located in the groove in the bar Tighten the bar nuts finger tight Tension the chain by turning the chain tensioning screw clockwise using the combination spanner The chain is correctly tensioned when it does not sag from the underside of the bar but can still be turned easily by hand Hold up the bar tip and tighten the bar nuts with the combina...

Page 17: ...unning at a too high speed for extended periods during the first 10 hours Two stroke oil For best results and performance use HUSQVARNA two stroke engine oil which is specially formulated for our air cooled two stroke engines Never use two stroke oil intended for water cooled engines sometimes referred to as outboard oil rated TCW Never use oil intended for four stroke engines Mixing ratio 1 50 2 ...

Page 18: ...iner designed for that purpose For longer periods of storage or for transport of the chain saw the fuel and chain oil tanks should be emptied Ask where you can dispose of waste fuel and chain oil at your local gas station Ensure the machine is cleaned and that a complete service is carried out before long term storage The bar guard must always be fitted to the cutting attachment when the machine i...

Page 19: ...ull the starter handle with your right hand and pull out the starter cord slowly until you feel a resistance as the starter pawls engage then pull firmly and rapidly Never wrap the starter cord around your hand As the chain brake is still activated the engine must return to idling speed as soon as possible by disengaging the throttel latch in order to avoid unnecessery wear on the clutch assembly ...

Page 20: ...dangerous because you may lose control of the saw Never start the machine indoors Exhaust fumes can be dangerous if inhaled Observe your surroundings and make sure that there is no risk of people or animals coming into contact with the cutting equipment Always hold the saw with both hands The right hand should be on the rear handle and the left hand on the front handle All people whether right or ...

Page 21: ... in bad weather is tiring and often brings added risks such as icy ground unpredictable felling direction etc 3 Take great care when removing small branches and avoid cutting bushes i e cutting many small branches at the same time Small branches can be grabbed by the chain and thrown back at you causing serious injury 4 Make sure you can move and stand safely Check the area around you for possible...

Page 22: ...our right hand on the rear handle and your left hand on the front handle Wrap your fingers and thumbs around the handles You should use this grip whether you are right handed or left handed This grip minimizes the effect of kickback and lets you keep the chain saw under control Do not let go of the handles 3 Most kickback accidents happen during limbing Make sure you are standing firmly and that t...

Page 23: ...g from below Cutting with pushing chain Cutting with a pushing chain increases the risk of kickback See instructions under the heading How to avoid kickback Terms Cutting General term for cutting through wood Limbing Cutting branches off a felled tree Splitting When the object you are cutting breaks off before the cut is complete There are five important factors you should consider before making a...

Page 24: ... all the way through the log from above Avoid letting the chain touch the ground as you finish the cut Maintain full throttle but be prepared for what might happen If it is possible can you turn the log stop cutting about 2 3 of the way through the log Turn the log and finish the cut from the opposite side The log is supported at one end There is a high risk that it will split Start by cutting fro...

Page 25: ...nded Another very important factor which does not affect the felling direction but does affect your safety is to make sure the tree has no damaged or dead branches that might break off and hit you during felling The main point to avoid is letting the tree fall onto another tree It is very dangerous to remove a trapped tree and there is high accident risk See instructions under the heading Freeing ...

Page 26: ...hosen felling direction Felling cut The felling cut is made from the opposite side of the tree and it must be perfectly horizontal Stand on the left side of the tree and cut on the pull stroke Make the felling cut about 3 5 cm 1 5 2 inches above the bottom directional cut Finish the felling cut parallel with the directional cut line so that the distance between them is at least 1 10 of the trunk d...

Page 27: ...mounted Portable Cutting trees and branches that are in tension Preparations Work out which side is in tension and where the point of maximum tension is i e where it would break if it was bent even more Decide which is the safest way to release the tension and whether you are able to do it safely In complicated situations the only safe method is to put aside your chain saw and use a winch General ...

Page 28: ...lose as possible to the chain saw for maximum control If possible let the weight of the chain saw rest on the trunk Keep the trunk between you and the chain saw as you move along the trunk Cutting the trunk into logs See instructions under the heading Basic cutting technique WARNING Kickback can happen very suddenly and violently kicking the chain saw bar and chain back at the user If this happens...

Page 29: ...fore any adjustments are made the air filter should be clean and the cylinder cover fitted Adjusting the carburetor while a dirty air filter is in use will result in a leaner mixture next time the filter is cleaned This can give rise to serious engine damage Do not attempt to adjust the L and H jets beyond either stop as this could cause damage Now start the machine according to the starting instr...

Page 30: ... cracks Move the front hand guard forwards and back to make sure it moves freely and that it is securely anchored to the clutch cover Checking the inertia brake release With the engine turned off hold the chain saw over a stump or other firm object Let go of the front handle so that the bar drops towards the stump as the chain saw rotates around the rear handle When the bar hits the stump the brak...

Page 31: ...ionary If the chain rotates when the throttle control is in the idle position you should check the carburetor idle adjustment Chain catcher Check that the chain catcher is not damaged and is firmly attached to the body of the chain saw Right hand guard Check that the right hand guard is not damaged and that there are no visible defects such as cracks Vibration damping system Regularly check the vi...

Page 32: ... fire if directed against dry and combustible material Starter Changing a broken or worn starter cord Loosen the screws that hold the starter against the crankcase and remove the starter Pull out the cord approx 30 cm 12 inches and hook it into the notch in the rim of the pulley Release the recoil spring by letting the pulley rotate slowly backwards Undo the screw in the centre of the pulley and r...

Page 33: ...arter To fit the starter first pull out the starter cord and place the starter in position against the crankcase Then slowly release the starter cord so that the pulley engages with the pawls Fit and tighten the screws that hold the starter Air filter The air filter must be regularly cleaned to remove dust and dirt in order to avoid Carburettor malfunctions Starting problems Loss of engine power U...

Page 34: ...ing the bar tip sprocket Lubricate the bar tip sprocket each time you refuel Use the special grease gun and a good quality bearing grease Needle bearing lubrication The clutch drum has a needle bearing on the output shaft This needle bearing must be lubricated regularly once a week When lubricating remove the clutch cover by loosening the two bar nuts Lay the saw on its side with the clutch drum u...

Page 35: ...ing the heat from the cylinder Temperature 0 C 32 F or colder Twist the cover so that preheated air from the cylinder can enter the carburettor space to prevent icing of the air filter etc then fit the rubber seal to the fuel pipe by the main air intake IMPORTANT If the temperature rises above 5 C 23 F or 0 C 32 F respectively the machine MUST be restored to its normal set up Otherwise there is a ...

Page 36: ...wear Check the lubrication hole in the bar to be sure it is not clogged Clean the bar groove If the bar has a sprocket tip this should be lubricated Lubricate the clutch drum bearing Clean the outside of the carburetor Check that the bar and chain are getting sufficient oil File off any burrs from the edges of the bar Check fuel hose for cracks or other damage Change if necessary Check the saw cha...

Page 37: ...n system Manufacturer of carburetor Zama Carburetor type C1Q EL7 Fuel tank capacity US pint litre 0 6 1 27 Oil pump capacity at 9 000 rpm ml min 9 Oil tank capacity US pint litre 0 3 0 63 Type of oil pump Automatic Weight Chain saw without bar or chain empty tanks lb kg 11 4 5 2 Chain bar Standard bar length inch cm 15 38 Recommended bar lengths inch cm 13 24 33 60 Usable cutting length inches cm ...

Page 38: ... less kickback energy than the sprocket nose bar Bar and chain combinations Chain saw model Husqvarna 55 Rancher met the kickback performance requirements of ANSI B 175 1 2000 when tested with the combinations of bars and saw chains listed below The saw chain Husqvarna H30 is also classified as a low kickback saw chain since it met the requirements for low kickback saw chain outlined in ANSI B 175...

Page 39: ...English 39 TECHNICAL DATA Saw chain filing and file gauges ...

Page 40: ... to the initial owner and each subsequent purchaser that the engine is free from defects in materials and workmanship which cause the failure of a warranted part for a period of two years WHAT IS COVERED REPAIR OR REPLACEMENT OF PARTS Repair or replacement of any warranted part will be performed at no charge to the owner at an approved Husqvarna Forest Garden servicing dealer If you have any quest...

Page 41: ...and securely assembled Be sure that the saw chain stops moving when the throttle control trigger is released Shut off the engine before setting the chain saw down Use extreme caution when cutting small size brush and saplings because slender material may catch the saw chain and be whipped toward you or pull you off balance When cutting a limb that is under tension be alert for springback so that y...

Page 42: ... z R7y 5m z R7y 5m ...

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Page 44: ... z R7y 5m 2006 04 06 z R7y 5m 1150238 95 ...

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