Poulan Pro 415 User's Manual
Contents
1. Pre Operation Checks 11 Storage B Starting Instructions 11 Trouble Shooting Chart C Chain Brake 12 Maintenance Chart POULAN PRO ACCESSORIES PARTS amp SERVICE Handlebar Choke Knob Throttle Trigger Throttle Lock Out DISPLACEMENT 415 cuin 6509 IGNITION OILER Adjustable Automatic FUEL MIX Gasoline Oil Mixture 40 1 see Fueling Your Engine MUFFLER Temperature Limiting Spark Arresting USDA Approved WARNINGS AND SAFETY INSTRUCTIONS See Additional Safety Instructions throughout this Manual GUARD AGAINST KICKBACK Kickback is a dangerous reaction that can Jead to serious in jury Do not rely only on the safety devices provided with your saw Asa chain saw user you must take special safety precantions to help keep your cutting jobs free from acci ent or injury A KICKBACK WARNING Kickback can occur when the moving chain con taets objeet at the upper portion of the tip of the guide bar or when the wood closes in and pinches the saw chain in the cut Contact at the upper portion of the tip of the guide bar can cause the chain to dig into the object which stops the chain for an instant The result is a lightning fast reverse reaction which kicks the guide bar up and bac2. IMPORTANT MANUAL OPERATOR S MANUAL MODELS 415 amp 475 GAS POWERED CHAIN SAW Do Not Throw Awa This chain saw is eapable of severe kick back that could result in serious injury to user Do not operate this saw un less you have specialized training aud experience for dealing with kickback Chain saws with significantly reduced kickback potential are available Always Wear Eye Protection During Operation POULAN PRO Shreveport Louisiana 71139 9329 TABLE OF CONTENTS SPECIFICATIONS PES TYPES OF CUTTING 12 2 WARNINGS amp SAFETY INS 8 A Basic Cutting Technique 12 KNOW YOUR UNIT SIM 6 B Tree Felling Techniques i icu rs 12 SAW FOR USE 1 Backing oes accesso ccc eet see 14 etting s i Pruning 1L B Hardware Usage sw Qu DD ching and Erining E C Attaching The Spur A Guide Bar and D Attaching The Handlebar 28 Spark Arrestor 0000777777 E Attaching the Bar and Chain 7 U Sparl AE E A E ChainTension i 9 D Oil Par PE eee Bar and Chain 9 set dees Jaa tena H Engine Information 10 E Carburetor Adjustments STARTING YOUR UNIT 11 E Ait Pilte eesi
3. The very top of the depth gauge should be inj Figures 31 amp 33 flat with the front half rounded off with a flat file 15 A WABNING The Gauge Tool is required to insure prop jer depth gauge Filing the depth gauge too deep will inerease the chance of kickback which can result in serious injury b CHAIN REPLACEMENT 1 Use only the replacement chain speci fied for your saw see NOTE in the Accessory section 2 Replace the chain when cutters or links break 3 See a qualified service dealer to re place and sharpen individual cutters for matching your chain 4 Always have a worn sprocket replaced by a qualified service dealer when in stalling a new chain to avoid excessive wear to the chain 2 GUIDE BAR MAINTENANCE e Conditions which can require guide bar maintenance saw cuts to one side saw has to be forced through a cut inadequate supply of oil to bar and chain Checkthe condition of the guide bar each time the chain is sharpened A worn guide bar will damage the chain and make cutting more difficult Replace the guide bar when the groove in the guide bar is worn the guide bar is bent or cracked Useonlythe replacement guide bars spe cified for your saw Reduced Kickback guide bars are available see NOTE in the Accessory section a Remove the guide bar to service Too Much Squared Off Corner Hook Angle Remove Saw
4. Watch for shi ing logs or other forces that could close a cut and pinch or fall into chain 10 A reduced kickback guide bar and low kick back chain are available for your saw and are strongly recommended to further reduce the hazard of kickback MAINTAIN CONTROL 1 Keep a good firm grip on the saw with both hands when the engine is running and don t let go Figure 8 A firm grip can neutralize kick back and help you maintain control of the saw the fingers of your left hand encircling and you left thumb under the front handlebar Beep your right hand completely around the rear handle whether your are right handed or left handed Keep your left arm straight with the elbow locked 2 Position your left hand on the front handlebar 50 it isin a straight line with your right hand onthe rear handle when making bucking cuts Figure 8 Never reverse right and left hand posi tions for any type of cutting 8 Stand with your weight evenly balanced on both feet 4 Stand slightly to the left side of the saw to keep your body from being in a direct line with the cutting chain Figure 3 5 Do not overreach You could be drawn or thrown off balance and lose control of the saw 6 Do not cut above shoulder height It is difficult to maintain control of saw above shoulder height a LL A ES STON WARNINGS AND SAFETY INSTRUCTIONS continued of this tool can cause serious injury H
5. 42 2 IDLE SPEED ADJUSTMENT a Allow the engine to idle b Adjust the Idle Speed Screw until the engine continues to run without stalling and without the chain moving Turn screw clockwise to increase engine speed if engine stalls or dies Turn screw counterclockwise to slow engine down andlor to keep the chain from turning c No further adjustments are necessary if the chain does not move at idle speed and if performance is satisfactory d Reinstall the pre filter Figure 41 WARNING In 3 Low Speed Mixture Adjustment recheck The chain will be moving during most of this pro idle speed after each adjustment The chain must not move at idle speed if performance is satisfactory 8 LOW SPEED MIXTURE ADJUSTMENT cedure Wear your protective gear and observe all safety precautions 1 PREPARATION a Allow engine to idle a Stop the engine b Useafresh fuel mixture with proper gasoline oil ratio c Place the saw on a solid flat surface and make sure the chain will not contact any object d Insert the tip of a small screwdriver into the hole in the pre filter Figure 41 Push the pe filter forward then remove the pre filter from the engine e Locate the three 3 carburetor adjusting screw openings Figure 42 f Start the engine and allow engine to idle three 3 minutes to warm up The engine must be at for proper adjustments to 18 b
6. Figure 7 8 Mount s bod Bar with the eee end over ied mounting bolts and the s adjusting pint the hole in the bar Figure 7 inset Slide the Guide Bar toward the rear of the saw as far as possible Hold the chain with the cutters facing as shown in Figure 8 inset Place the chain on the Sprocket Fit the bottom of the Drive Links in the slots in the Sprocket Fit the bottom of the chain Drive Links into the groove on top of the Guide Bar then around the uide Bar nose Figure 8 8 Turn the Adjusting Screw clockwise with a stan dard screwdriver until the chain is snug in the Guide Bar groove 9 Hold the Guide Bar against the saw frame and in stall the Bar Clamp 10 Re lace the Bar Mounting Nuts Tighten finger tight only i 11 Follow Chain Tension instructions 0o amp R NOTE This Hardware is packaged in the Plastic Bag Refer to the Hardware reference letters below during assembly 52111 DUUM Pd D 2 HAVE THE FOLLOWING AVAILABLE Protective gloves Approved marked fuel container One gallon regular unleaded gasoline 3 2 oz 2 cycle air cooled engine oil See the Fueling Your Engine section Bar and Chain Oil See the Bar and Chain section Bar Wrench g Standard Screwdriver Boop aua D E i E G Do not start engine without the guide bar chain and bar clamp completely ass
7. INSTRUCTIONS Refer to the Specifications section for location of controls 1 BASIC PROCEDURE a Set the saw on the ground Put your right foot in the rear handle and firmly grip the front handle with your left hand Make sure the saw chain is free to turn without contacting any object b Move Start Stop switch to the Start position Figure 13 c Move choke lever to ON position Figure 13 NOTE This saw is equipped with an automatic throttle advance used to make starting easier When the choke lever is moved to the position the throttle advance is automatically set d Pull the starter rope until the saw attempts to run Figure 14 Move choke lever to OFF position Figure 13 Pull the starter rope until the saw runs g Squeeze then release throttle trigger to disen the throttle advance and allow the engine to idle 4 WARNING The chain must not move when the engine runs at idle speed Refer to the Carburetor Adjust ments section for correction h Stop the engine by moving the Start Stop Switch to the Stop position Figure 13 4 WARNING Always wear gloves safety footwear snug fitting clothing and eye hearing and head protection devices when operating a chain saw 2 STARTING PROCEDURE FOR VARYING CONDITIONS a COLD ENGINE 1 Follow steps a and b in section 1 BASIC PROCEDURE 2 Move the choke lever to the On position Figure 13 3 Pull starter rope until engine
8. Vocem 1 89 952 055025 Depth G 952 055028 Safety Glasses spass 952 062003 952 030037 Spark Plug eee Engine Oil 3 2 ie c dle e y 952 030132 802 401 hne 952 030127 Bar amp Chain lubricant 952 030129 952 030130 530 067722 See your Poulan Pro dealer for information on the various bars and chains available for your saw RENDUM Llc c NOTES NOTES PARTS AND SERVICE Your Poulan Pro product has been expertly engineered and carefully manufactured to rigid qual ity standards As with all mechanical products some adjustments or part replacement may be neces sary during the life of your unit FOR SERVICE OR REPLACEMENT PARTS 1 Consult your dealer place of purchase 2 Consult the yellow pages of your phone directory for the name of the nearest Poulan Pro Weed Eater Master Service Dealer under saws for Chain Saws or under lawnmowers for Trimmers Brushcutters and Blowers 8 For replacement parts have available the following information a Description of the tool b Model Number e Part Number or description of part NOTE Poulan Weed Eater Division provides parts and service through its authorized distribu tors and dealers therefore all requests for parts and service should be directed to your local dealer s The philosophy of Poulan Weed Eater Division is to continually improve all of its products If the operating characteristics or the appeara
9. and wrap it in heavy paper cloth or plastic 7 Clean the outside surfaces of the engine 8 Store the saw ina dry place out of the reach of chil dren and away from where fuel vapors can reach open flames from hot water heaters electric mo tors or switches furnaces etc 19 D TROUBLE SHOOTING CHART 1 Fuel tank empty Fill tank with correct fuel mixture Engine will not 1 start or will run 2 Engine flooded 2 See Starting Instructions only for a few 3 Spark plug not firing 3 Install new plug check ignition system seconds after 4 Fuel not reaching carburetor 4 Clean fuel filter inspect fuel line starting 5 Carburetor requires adjustment 2 See Carburetor Adjustments 7 e Ignition Switch Off Move switch to the START position one of the above Contact your Authorized Service Dealer Engine will not 1 Idle speed set too fast or too slow See Carburetor Adjustments idle properly i 2 Low speed mixture requires adjustment See Carburetor Adjustments 8 Crankshaft seals worn Contact your Authorized Service Dealer 4 Compression low Contact your Authorized Service Dealer 5 None of the above Contact your Authorized Service Dealer Engine will not 1 Air filter dirty 1 Clean or replace air filter AA accelera
10. bar small amount of Diesel Fuel 1 or kerosene Bar and chain oil must be free towing for oil system to pump enough oil for adequate lubrication 1 USE THE FOLLOWING 30 or above 100 lubricant undiluted 30 0 F 95 lubricant to 5 Diesel Fuel 1 or kerosene Below 0 F 90 lubricant to 10 Diesel Fuel 1 or kerosene 2 HOW TO FILL THE OIL TANK a Stop the engine b saw on its side oil cap up Figure ll c Loosen cap slowly and wait for pressure in the tank to be released before removing the cap d Fill the oil tank Figure 12 Replace the oil cap securely G ENGINE INFORMATION 1 FUEL SAFETY Use only recommended fuel mixtures Mix and pour fuel outdoors and where there are no sparks or flames Use a container approved for fuel Do not smoke or allow smoking near fuel or the tool or while using the tool Wipe up all fuel spills before starting the engine Move at least 10 feet 8 meters away from the fueling site before starting the engine Stop the engine before removing the fuel cap Empty the fuel tank before storing the tool Use up fuel left in the carburetor by starting the en gne and letting it run until it stops tore unit and fuel in an area where fuel vapors cannot reach sparks or open flames from water heaters electric motors or switches furnaces ett SESS 2 FUEL MIXTURE Your unit is powered by a 2 cycle engine which requires a f
11. is dis turbed considerable time and effort will be required to reinstall For this reason you may want to let a qualified service dealer handle this re pair Ifyou try to repair the starter rope and the re coil spring pops out take the unit to your dealer A WARNING Always wear eye protection when servicing the starter rope The recoil spring beneath the pulley is under tension Ifthe spring pops out se rious injury can result Drain the fuel tank Remove the four screws on the side of the fan housing Figure 37 Separate the fan housing from the unit If the starter rope is not broken release the spring tension by pulling about 10 inches of rope from the pulley and catch the rope in the notch as shown in Figure 38 Turn the pulley counterclockwise until the Spring tension is released Remove the pulley screw washer in the center of the pulley Figure 39 Liftthe pulley carefully while gently twisting it _ counterclockwise Remove any remaining rope 8 Move away from the fuel tank and melt both ends of the new rope 9 Allow each melted end to drip once Then while othe is still hot pull each melted end through a rag to obtain smooth pointed ends 10 Feed the rope through the hole in the handle Secure the rope with a knot leaving about a 3 16 pigtail Figure 39 11 Feed the through the round starter rope hole in the fan housing Figure 39 12 Guide the rope insi
12. must follow all safety precautions instructions and mainte nance in this manual to help avoid kickback and other forces which can result in serious injury KICKBACK SAFETY FEATURES Position offront and rear handlebars designed EN Contoured BR Depth Gauge Tan por Force ps Jy cover the bar and chain and properly secure to avoid turnover fuel spillage or damage Empty the fuel tank before storing the tool Use up the fuel left in the carburetor by starting the engine and letting the engine run until it stops Store unit and fuel in a dry area out of the reach of children Do not store where fuel vapors can reach sparks or an open flame from hot water heaters electric motors or switches furnaces etc NOTICE Refer to the Code of Federal Regulations Section 1910 266 5 2 5 1 of American National Standard Safety Requirements for Pulpwood Log ging ANSI 08 1 1978 and relevant state safety codes when using a chain saw for logging purposes A WARNING dangerous reaction s a chain saw user do with distance between handles and in line with each other The spread and in line position of the hands provided by this design work together to give ce and resistance in controlling the pivot of the saw back toward the operator if kickback occurs Chain Brake if activated during kickback is a de viceto stop the chain Do not rely on the chain brake to protect you against injury fr
13. 1 Spacer 1 Screw 1 Screw 1 1 2 1 1 Screw Operator s Manual not shown WARNING The effectiveness of a chain brake in reducing operator injuries has not yet been fully determined We can not represent that a chain brake is an effective safety device to prevent or reduce the hazard of injuries resulting from kickback DO NOT ASSUME THAT THE C BRAKE WILL PROTECT YOU IN THE EVENT OF A KICKBACK Instead use the saw properly and carefully to avoid kickback Reduced Kick back bars and Low Kickback chains reduce the hazard of kickback and are recommended Repairs on a chain brake should be made by an Authorized POULAN PRO Service Dealer Take your unit tothe place of purchase if purchased from a Servicing Dealer or to the nearest Authorized Master Service Dealer SAFETY NOTICE Exposure to vibrations through prolonged use of gasoline powered hand tools could cause blood vessel or nerve damage in the fingers hands and wrists of people prone to circulation disorders or abnormal swel lings Prolonged use in cold weather has been linked to blood vessel damage in otherwise healthy people If symptoms occur such as numbness pain loss of strength change in skin color or texture or loss of feeling in the fingers hands or wrists discontinue the use of this tool and seek medical attention An anti vibra tion system does not guarantee the avoidance of these problems Users who operate power tools on a con tinual and regular basis
14. If the tree has large buttress roots remove them before making the notch Cut into the but tresses vertically then horizontally Figure 17 a Make the notch cut Figure 19 1 Cut the bottom of the notch first through 1 3 of the diameter of the tree 2 Complete the notch by making the slant cut 8 Remove the notch of wood b Make felling cut on the opposite side of the notch about 2 higher than the bottom of the notch c Leave enough uncut wood between the felling cut amp nd the notch to form a hinge Figure 20 4 WARNING Stay on the uphill side of the terrain to avoid in jury from the tree rolling or sliding downhill af ter it is felled Figure 17 NOTE Before the felling cut is complete use wedges to open the cut when necessary to contro the direction of fall Use wood or plastic wedges but zev er steel or iron to avoid kickback and chain y 4 DON T PUT YOURSELF IN THESE POSITIONS Check the wind Don t cut down wind Check the lean Don t cut on lean side Direction M K Of Fall Opening Of Felling Cut RAAN oo Hinge Holds Tree On Stump And Controls Fali Figure 20 d Be alert to signs that the tree is ready to fall 1 ing sounds 2 Widening of the Felling Cut 3 Movement in the upper branches e Astreestarts to fall stop the Saw putit down and ga away quickly on your planned retreat path extremely cautious with partially fal
15. MBER continuous lubrication to remain in operat a Fill oil tank each time you fill fuel tank to ing condition Lubrication is provided by theau ensure that there will be sufficient oil for the tomatic oiler system when the oil tank is kept filled chain whenever you start and run the saw Lack of oil will quickly ruin the Bar and b The saw will normally use about one tank Chain of chain oil for each tank of fuel mixture Too little oil will cause overheating re If less oil is used check for a plugged oil hole in sulting in smoke coming from the chain and or the guide bar discoloration of the guide bar rails Keep sawdust and debris cleaned from Genuine POULAN POULAN PRO Bar and arate neies in toallowanad Chain Oil is recommended to protect your B unit against excessive wear from heat and d Keepspilled and spattered oil wiped from friction POULAN POULAN PRO oil resists high the unit to avoid sawdust and debris temperature thinning If POULAN POULAN build up Pay particular attention to oil on the PRO Bar and Chain Oil is not available use a good fan housing and starter assembly to avoid over grade SAE 30 oil Never use waste oil for bar and heating the engine chain lubrication e It is normal small of oil to A Fu appear under the saw r ihe engine Infreezing weather oil will thicken making stops Thisi i ining fi it necessary to thin bar and chain oil with a dm v oil drain nae the
16. Stop Engine 2 Adjust the chain for proper tension Page 7 8 Work at the midpoint of the bar moving the Chain forward by hand as each cutter is filed 4 Sharpen Cutters a Position the file holder at a 10 angle on the top bes the cutter and depth gauge Figure 28 b Align the 25 file holder marks with the bar and parallel to the center of the chain Figures 29 amp 31 NOTE If your file holder has a 30 mark disre gard this mark and file at a 25 angle c File from inside toward outside of cutter straight across on forward stroke in one direction only Use2 or 3 strokes per cut ting pr Figure 30 d Keep i cutters the same length Fig ure 30 e File enough to remove any damage to the cutting pain side plate and top plate of Figure 32 the cutter Fi 30 File chainto meet specifications shownin 5 Correct Depth Gauges igure 31 E a Place depth gauge tool over each cutter depth gauge Figure 32 A WARNING b File depth gauge with a flat file until it is Maintain the proper hook angle according to the level with the top of the depth gauge tool ufacturer s specification for the chain you c Maintain rounded front corner of depth aru Ph hook ane s Y gauge with a flat file Figures 32 amp 33 1 y Depth Gauge Tool File r ee Depth Gauge Nai are using Too much hook angle will increase the chance of kickback which can result in serious NOTE
17. Turn the Low Speed Mixture Screw slowly clockwise until the RPM starts to drop Note the position Turn the Low Speed Mixture Screw slowly counterclockwise until the RPM speeds up and Starts to drop again Note the position d Set the Low Speed Mixture Screw at the mid point between the two positions If no further adjustments are necessary rein stall the pre filter Figure 41 4 ACCELERATION ADJUSTMENT If the engine dies or hesitates instead of accelerat ing turn the Low Speed Mixture Screw 1 16 of a turn at a time counterclockwise until you have smooth acceleration 5 HIGH SPEED MIXTURE ADJUSTMENT Adjustments as small as 1 16 ofa turn can affect engine performance It is im portant to turn the screw only 1 16 of a turn per adjustment and test the performance of the saw before making further adjustments a Make a test cut b Adjust the High Speed Mixture Screw 1 16 ofa turn as follows Clockwise if the saw smokes or loses power Counterclockwise if the saw has speed out of the cut but lacks power in the cut c Repeat test cut d Continue 1 16 of a turn adjustments until the saw runs smoothly in cut e If no further adjustments are necessary rein Stall the pre filter Figure 41 A too lean high speed setting clockwise adjustment will cause engine damage to any 2 cycle engine from over heating and lack of lubrication Never set the high speed mixture scre
18. WEED EATER brand 2 cycle en gine oil is not available use a good quality 2 cycle engine oil mixed at a ratio of 16 1 8 oz oil to 1 gal gasoline 4 DO NOT USE THE FOLLOWING e NMMA OIL National Marine Manufac turers ssociation formerly BIA oil Does not have proper additives for air cooled 2 cycle engines and can cause engine damage AUTOMOTIVE OIL Does not have proper additives for air cooled 2 cycle engines and can cause engine damage 5 HOW TO MIX FUEL AND FILL TANK a Pour 1 2 gallon regular unleaded gasoline into anapproved marked container Do not mix gas oline and oil directly in the fuel tank Add the entire measure of engine oil Cover the container tightly and shake for one minute Slowly remove the fuel container cover Add remainder of gasoline Cover the container tightly and shake again Slowly remove the fuel container cover Slowly remove the fuel cap See the Specifica tions section for location i the using a spout or funnel j Reinstall the fuel cap securely pumpom oc A WARNING Alcohol blended fuels called gasohol or using ethanol or methanol can attract moisture which leads to separation and formation of acids dur ing storage Acidic gas can damage the fuel sys tem of an engine while in storage To avoid en gine problems the fuel system should be emp tied before storage Drain the gas tank start t engine and let it run until the fue
19. attempts to run 4 Push in choke lever approximately halfway 5 Pull the starter rope until the engine runs 6 Allow the engine to run for about 5 seconds Then move the choke lever to the Off posi tion Figure 13 7 Followsteps g and h in section 1 BASIC PROCEDURE 4 WARNING Avoid bodily contact with muffler when starting or using a warm engine to avoid serious burns mo Use only 15 18 Do not let the inches rope Tope Snap backs per poh and let the rope rewind slowly Figure 14 b WARM ENGINE 1 Follow steps a and b in section 1 BASIC PROCEDURE 2 Move the choke lever to the On position to set the throttle Then move the choke leverto the Off position Figure 13 3 Pull the starter rope until the engine runs 4 Follow p and h in section 1 BASIC PROCED Bs c REFUELED WARM ENGINE AFTER RUN NING OUT OF FUEL Follow the steps in section 1 BASIC PROCE 3 IMPORTANT POINTS TO REMEMBER a When pulling the starter rope do not use the full extent of the rope as this can cause the ropeto break Do not let the starter rope snap back hold the handle and let the rope rewin slowly b If the floods let the unit sit for a few minutes then follow the steps in 2 b WARM ENGINE For cold weather starting allow the engine to warm up 1 2 min with choke lever in the Half choke positi
20. cut 1 8 of the way through the log 2 Finish with an overcut b In area B 1 Overcut 1 8 of the way through the log 2 Finish with an undercut 5 BUCKING USING A STAND a In area A 1 Undercut 1 8 of the way through the log 2 Finish with an overcut In area B 1 Overcut 1 8 of the way through the log 2 Finish with an undercut WARNING Do not stand on the log being cut Any portion ean roll causing loss of footing and control b Use Common Sense Maintain Secure Footing D DEBRANCHING AND PRUNING e Work slowly keeping both hands firmly gripped on the saw Maintain secure footing and ce Watch out for les Use extreme caution when cutting small size limbs Slender material may catch the saw chain and be whipped toward you or n you off balance Be alert for springback Watch out for branches that are bent or under pressure as you are cutting to avoid being struck by the branch or the saw when the tension in the wood fibers is released Keep a clear work area Frequently clear branches out of the way to avoid tripping over them WARNING Never climb into a tree to debranch or prune Do not stand on ladders platforms a log or in any position which can cause you to lose your bal ance or control of the saw 1 DEBRANCHING a Always debranch a tree after it is cut down Only then can debranching be done safely and properly b Leave the larger limbs underneath the
21. de the pulley then up through the pulley hole to the outside Fig ure 89 Secure the rope with a knot leaving about a 3 16 pigtail Figure 39 inset 13 Rewind the rope onto the pulley by turning the pulley in a counterclockwise direction 14 Set the pulley into the housing push it down and engage the spring 15 Replace and tighten the pulley screw washer Ro M t Turn Pulley Counterclockwise Until Tension Is Released Pulley Screw Washer wiley Hole 16 Pull out inside the pulley housing 10 inches of and catch the in the notch the ey Figure 88 17 Turn the pulley 2 complete turns clockwise winding up the spring 18 Hold the pulley and pull the starter rope to the full extent Let the rope rewind slowly 19 Reinstall fan housing D OIL PUMP The oil flow can be varied by turning the adjustment Screw on the crankcase Figure 40 1 Turn the adjustment screw counterclockwise to to increase the oil supply 2 Turn the adjustment screw clockwise to to decrease the oil supply NOTE Neveradjust the oil pump when the engine is running 17 E CARBURETOR ADJUSTMENTS Poor engine performance can be a result of other causes such as dirty air filter carbon build up on muffler outlets ete See the Trouble Shooting Chart before proceed ing with carburetor adjustments For best results the ma
22. dust From Guide Bar Groove Meee Guide Worn Grooves File Edges Groove Square Figure 35 b Clean the oil holes at least once after every five hours of operation c Remove sawdust from the guide bar groove periodically with a putty knife ora wire Fig ure 84 d Remove burrs by filing the side edges of the Sue bar grooves square with a flat file Fig ure 85 e Square the edges ofan uneven rail top by fil ing with a flat file Figure 35 B SPARK ARRESTOR Carbon deposits build up on the spark arres tor as the saw is used and must be removed to avoid creating a fire hazard or causing engine damage Replace the spark arrestor if breaks occur Keep the spark arrestor clean at all times Clean as required at least once for each 25 30 hours of operation Items required wire brush 3 8 wrench Disconnect the spark plug wire Remove the Muffler Cover Figure 36 Remove the Screen from the muffler Clean the screen with a wire brush or replace if breaks are found 5 Reassemble parts NOTE Too much oil in the fuel mixture can cause excessive carbon build up in the spark arrestor Screen Use only the correct fuel oil ratio as in structed in the Engine Information section 216 C STARTER ROPE Replace a broken starter or a rope that is badly frayed NOTE A recoil spring lies beneath the pulley and is under tension If the recoil spring
23. e the Hold Cut Open first cut on the pressure side to relieve the stress the log Figure 21 2 TYPES OF CUTTING USED Figure 22 Overeutting begin on the top side of the log with the bottom of the saw against the log exert light pressure downward Undereutting begin on the under side of the log with the top of the saw against the log exert light pressure upward During undercutting the saw will tend to push back at you Be prepared for this reaction and hold the saw firmly to main tain control 4 WARNING Never turn the saw upside down to undercut The saw cannot be controlled in this position WARNING If saw becomes pinched or hung in a log don t try to force it out You can lose control of the saw re sulting in injury and or damage to the saw Stop the saw drive a wedge of plastic or wood into the ent until the saw can be removed easily Fig ure 23 Restart the saw and carefully reenter the eut To avoid kickback and chain damage do not use a metal wedge Do not attempt to restart your saw when it is pinched or hung in a log Using Another Log As A Support 3 BUCKING WITHOUT A SUPPORT a Overcut with a 1 3 diameter cut b Roll log over and finish with an overcut 15 Cut PERO e pr Cut 1 Cut 274 Cut Pressure Side ye 274 Cut 13 4 BUCKING USING ANOTHER LOG AS A SUPPORT a Inarea A 1 Under
24. earing Vo Safety Hat Protection i ai Snug ae Eye Protection Fitting Clothing Heavy Duty Gloves Tas Safety Chaps Safety Shoes PO Figure 4 KNOW YOUR SAW 1 Read your operator s manual carefully until you completely understand and can follow all safety rules precautions and operating instructions before attempting to operate the unit 2 Restrict the use of your saw to adult users who understand and can follow safety rules precautions and operating instructions found in this manual PLAN AHEAD L Wear protective gear Figure4 Always use Steel toed safety footwear with non slip soles snug fitting clothing heavy duty non slip gloves eye pro tection such as non foggin vented goggles or face screen an approved ety Fard hat and sound bar riers ear plugs or mufflers to protect your hearing Regular users should have hearing checked re ly as chain saw noise can damage hearing 2 Keep children bystanders and animals a minimum of 30 feet 10 Meters away from the work area Do not allow other people or animals to be near the chain saw when starting or operating the chain saw 3 Do not handle or operate a chain saw when you are fatigued ill or upset or if you have taken alcohol drugs or medication You must be in good physical condition and mentally alert Chain saw work is strenuous H you have any condi WARNING Because a chain saw is a high speed wood cutting to
25. embled Other wise the chain and clutch can come off resulting in serious injury Turn Adjusting Screw Counterclockwise CHAIN TENSION e Chain Tension is very important Aloose chain will wear the bar and itself Aloose chain can jump off bar during cutting Atight chain can break or damage the saw and or bar Adjusting Screw The chain stretches during use especially when new Check tension periodically as follows each time the saw is used more frequently when the chain is new as the chain warms up to normal operating temperature To Tighten To Loosen Tension Tension Turn Chain tension is correct when the chain can be lifted about 1 8 from the Guide Bar at a point near the middle of the bar and will move freely around the bar Chaintensioning procedure Chain Can Be Always wear gloves when handl Lifted 1 8 When ingthechain The chainis sharp and can eut Tension Is Correct you even when it is not moving 1 Liftupthetip ofthe Guide Bar and turn the Adjust ing Screw clockwise until the chain does not sag be neath the Guide Bar Figure 9 2 Check the tension by lifting the chain from the Guide Bar at the center of the bar Figure 10 3 Continue adjusting the Adjusting Screw until the tension is correct Tighten the Bar Clamp Nuts with the Bar Wrench Recheck chain tension BAR AND CHAIN OIL The Guide Bar and Cutting Chain require 8 IMPORTANT POINTS TO REME
26. ews nuts and care will increase the service life and help to main and fittings regularly Loose fasteners can tain the safety and performance of your saw cause an unsafe condition as well as damage to your Make all adjustments or repairs except car Eu buretor adjustments with Hac deas WARNIN e d x spark plug wire disconnected ave all chain saw service performed by a quali esee ae as opposed to a saw that has just fied service dealer other than the items listed in been run the maintenance section of this manual A GUIDE BAR AND CHAIN Increase the service life of your Guide Bar and Chain by Usingthesaw properly and as recommended in this manual Maintaining correct chain tension Proper lubrication Regular maintenance as described in this manual 1 CHAIN MAINTENANCE Sharpen the chain when wood chips are small and powdery Wood chips made by the saw chain should be about the size of the teeth of the chain saw has to be forced through the cut Saw cuts to one side CAUTION Always wear gloves when handling the chain The chain can be sharp enough to cut you even though it is too dull to cut wood a SHARPENING INSTRUCTIONS These instructions apply to Poulan P720 and P730 chain Other chain types may vary Fol low the manufacturer s specifications for the chain used on your saw Items required loves Flat File 7 32 Diameter File Depth Gauge 6 File Holder 1
27. felled tree to support the tree as you work c Start at the base of the felled tree and work toward the top cutting branches and limbs Remove small limbs with one cut Figure 26 d Keep the tree between you and the chain Cut from the side of the tree opposite the branch Remos emi porting branches with move larger su g es the 1 8 2 8 cutting techniques described in the bucking section 1 Undercut 1 3 of the way through the log 2 Finish with an overcut Always use an overcut to cut small and freely hanging limbs Undercutting could cause limbs to fall and pinch the saw 4 2 PRUNING a Limit pruning to limbs shoulder height below Do not cut if branches are higher than your shoulder Get a professional to do the job b Refer to Figure 27 for the pruning tech nique 1 Undercut 1 8 of the way through the limb near the trunk of the tree 2 Pinish with an overcut farther out from the trun 3 Keep out of the way of the falling limb 4 Cut the stump flush near the trunk of the tree WARNING Be alert for and guard against kickback Do not allow the moving chain to contact any other branches or objects at the nose of the guide bar when debranching or pruning Allowing such contact can result in serious injury Figure 26 li i il Second Praning Cut Third Pruning Cut J GENERAL MAINTENANCE A good maintenance program of regular inspection Check the saw for loose bolts scr
28. he chain on the bottom of the bar is suddenly stopped pulls the saw rapidly forward 3 PROCEDURE Practice cutting a few small logs using the following technique to get the feel of using your saw before you begin a major sawing operation a Accelerate engine to full throttle before entering cut by squeezing the throttle trigger b Begin cutting with the saw frame or spur against the log Figure 16 c Keep the engine at full throttle the entire time you are cutting d Allow the chain to eut for you exert only light downward pressure If you force the cut damage to the bar chain or engine can result e Release the throttle trigger as soon as the cut is completed allowing the engine to idle If you run the saw at full throttle without a cutting load unnecessary wear can occur to the chain bar and engine To avoid losing control when cut is complete do not put pressure on saw at end of cut g Stop the engine before setting the saw down af ter cutting B TREE FELLING TECHNIQUES 1 CAREFULLY PLAN YOUR SAWING OPERA TION IN ADVANCE Clear the work area You need a clear area round the tree where you can have ooting mus b Study the natural conditions that can cause the tree to fall in a particular direction 1 The WIND direction and speed 2 The LEAN of the tree 3 WEIGHTED with BRANCHES on one side 4 Surrounding TREES and OBSTACLES 1i Look for decay and rot If the
29. hen the en gine is running ut wood only Do not cut metal plastics masonry non wood building materials etc Do not use thesaw to pry or shove away limbs roots or other objects Make sure the chain will not make contact with any object while starting the engine Never try to start the saw when guide bar is in a cut or kerf Use extreme caution when cutting small size brush and saplings Slender material can catch the saw chain and be whipped toward you or pull you off balance Be alert for springback when cutting a limb that is under tension so you will not be struck by the limb or saw when tension in the wood fibers is released Do not put pressure on the saw at the end of a eut Applying pressure can cause you to lose control when the cut is completed 10 Stop the engine before setting the saw down 11 Engage the chain brake when engine is run ning but not involved in a Siting procedure YO SAW IN GOO WORKING ORDER 1 Have all chain saw service performed by a qu service dealer with the exception of the items listed in the maintenance section of this manu al For example ifimproper tools are used to remove or hold the flywheel when servicing the clutch struc damage to the flywheel can occur and cause the flywheel to burst Keep fuel and oil caps screws and fasteners securely tightened Keep the handles dry clean and free of oil or fuel mixture Make certa
30. in the saw chain stops moving when the throttle trigger is released For cor rection refer to the Trouble Shooting Chart Stop the saw if chain strikes a foreign object Inspect unit and repair or replace parts as necessary Disconnect spark plug before performing any maintenance except for carburetor adjustments Never modify your saw in any way Use only at tachments supplied or specifically recommended by the manufacturer Always replace the chain brake immediately if it becomes damaged broken or is other wise removed Keep the vibration isolators in good condi tion Periodically inspect isolators for tears rips or separation of the rubber portion from the metal mountings Have a qualified service dealer replace the isolators if worn or damaged if vibration in creases or if mounts develop an out of round or swol len shape from exposure to gasoline and or oil CARRY AND STORE YOUR SAW SAFELY 1 Hand carry your saw with the engine stopped the muffler away from your body and the guide bar and chain to the rear covered pref erably with a scabbard Before transporting in any vehicle or storing in any enclosure allow your saw to cool complete The following features are available for your saw Gn models equipped with 16 20 and 24 0 050 gauge bars to help reduce the hazard of kickback owever such features will not totally eliminate notrely only on safety devices You
31. k toward the operator Ifthe saw chain is pinched along the top of the guide bar the guide bar can be driven rapidly back to ward the operator Either of these reactions can cause loss of saw control which ean result in seri Never Reverse Hand Positions Under Side Of Handlebar REDUCE THE CHANCE OF KICKBACK 1 Recognize that kickback can happen With a basic understanding of kickback you can reduce the element of surprise which contributes to accidents 2 Never let the moving chain contact any object at the tip of the guide bar Figure 1 3 Keep the working area free from obstructions such as other trees branches rocks fences stumps etc Figure 2 Eliminate or avoid any obstruction that your saw chain could hit while you are cutting through a particular log or branch 4 Keep your saw chain sharp and properly ten sioned A loose or dull chain can increase the chance of kickback to occur Follow manufacturer s chain sharpening and maintenance instructions Check tension at intervals with the engine stopped never with the engine running Make sure the bar clamp nuts are securely tightened after tensioning the chain 5 Begin and continue cutting at full throttle If the chain is moving at a slower speed there is greater chance for kickback to occur Cut one log at a time Use extreme caution when re entering a pre vious cut Do not attempt plunge or bore cuts
32. l lines and car buretor are empty Use fresh fuel after taking the unit out of storage See the Storage sec tion for additional information Never use en gine or earburetor cleaner products in the fuel tank or permanent damage may occur STARTING YOUR UNIT A PRE OPERATION CHECKS Each time before operating your saw always 1 Check over the safety rules and precautions in this manual Make certain you completely un derstand and can apply each one 2 Check protective gear Always use eye hear ing and head protection devices safety footwear protective gloves and snug fitting clothing 3 Check the saw for loose bolts nuts or fit Tighten repair or replace parts as necessary js Tools required are listed in Getting Ready section 4 Check the air filter Clean the filter before starting the engine For location see the Air Filter section Check the saw chain The chain should be and at the correct tension Check the fuel tank and oil tank Both tanks should be filled Check the handles Handles should be dry and free of fuel mixture and oil Check weather conditions Do not use your saw at night or during bad conditions such as strong wind rain snow etc 9 Check the work area Keep children bystand ers and animals a safe distance away from the work area when starting or operating the mini mum of 30 feet WH B STARTING
33. lastic or wood never of metal to hold the cut open HANDLE FUEL WITH CAUTION 1 Eliminate all sources of sparks or flame inthe areas where fuel is mixed poured or stored There should be no smoking open flames or work that could cause sparks 2 Mix and pour fuel in an outdoor area on bare ground store fuel in a cool dry well ventilated place and use an approved marked container for all fuel purposes Wipe up all fuel spills before starting saw Move at least 10 feet 8 meters from the fuel ing site before starting the engine Do not smoke while handling fuel or while op erating the saw the engine off and let your saw cool ina non combustible area not on dry leaves straw paper etc Slowly remove fuel cap and refuel unit 7 Store the unit and fuel in an area where fuel vapors cannot reach sparks or open flames from water heat ers electric motors or switches furnaces etc poo If situations occur which are not covered in this manual use care and good judgment Contact your Service Dealer if you need assistance 4 a WARNINGS AND SAFETY INSTRUCTIONS continued OPERATE YOUR SAW SAFELY 1 Do not operate a chain saw that is damaged Pon Operate the chain saw o Do not operate saw from a Position all parts of yourbodytothe left ofthe improperly adjusted or not completely and securely assembled in outdoor areas ladder or in a tree cut and away from the saw chain w
34. len trees that may be poorly supported When a tree doesn t fall completely set the saw aside and pull down the tree with a cable winch block and tackle or tractor To avoid injury do not cut down a partially fallen tree with your saw NOTE The hinge helps to keep the tree from twist ing and falling in the wrong direction g Use a wedge if there is any chance that the tree will not fall in the desired direction E Check the balance Don t cut on weighted side BUCKING Bucking is the term used for cutting a fallen tree to the desired log size 1 IMPORTANT POINTS a Cut only one log at a time b Cut shattered wood very carefully Sharp pieces ofwood could be flung toward the operator se a sawhorse to cut small logs Never al low another person to hold the log while cutting and never hold the log with your leg or foot d Donot cut in an area where logs limbs and roots are tangled such as in a blown down area Drag the logs into a clear area before cut ting by pulling out exposed and cleared logs first e Make the first bucking cut 1 3 of the way through the log and finish with a 2 3 cut on the opposite side As the logis being cut it will tend to bend The saw can become pinched or hung in the log if you make the first cut deeper than 1 8 of the diameter of the log C f Give special attention to logs under strain AE Wedge Used To to prevent the saw from pinching Mak
35. must monitor closely their physical condition and the con ition of this tool PREPARING YOUR SAW FOR USE A GETTING READY 1 READ YOUR OPERATOR S MANUAL CAREFULLY Your Operator s Manual has been developed to help you prepare your saw for use and to understand its safe operation It is Important that you read your manual completely to become familiar with the unit before you begin assembly or attempt opera tion Your POULAN PRO dealer is available to show you how to operate your saw Be sure to ask for his assistance s HARDWARE USAGE B CA d C ATTACHING THE SPUR 1 Set saw upright on a flat surface Figure 6 2 Remove Bar Clamp Nuts and Bar Clamp using the Wrench provided with the unit Fig ure6 Remove the Housing Screw Figure 6 Align screw holes in the Spur over the screw holes on the crankcase Figure 6 5 Install Screw E and the Housing Screw removed in step 3 Tighten evenly and securely m D ATTACHING THE BAR AND CHAIN See your POULAN PRO Dealer for the vari ous bars and chains available for your unit CAUTION Wear protective gloves when han dling or operating your saw The chain is sharp and can cut you even when it is not moving 1 Set the saw upright on a flat surface Figure 7 2 Turn the Adjusting Screw counterclockwise with a standard screwdriver to move the Adjusting Pin al most as far as it will go to the rear
36. n Chain moves at 1 Idle speed requires adjustment 1 See Carburetor Adjustments Idle Speed 2 Clutch requires repair 2 Contact your Authorized Service Dealer Chain does not move 1 Chain off sprocket chain tension too tight 1 Reinstall chain and check tension when engine is 2 Carburetor requires adjustment 2 See Carburetor Adjustments accelerated 3 Guide bar rails pinched 3 Repair or replace 4 Clutch slipping 4 Contact your Authorized Service Dealer 5 Chain brake engaged 5 Disengage chain brake Chain clatters 1 Chain tension incorrect 1 See Chain Tension or cuts roughly 2 Cutters damaged 2 Contact your Authorized Service Dealer 3 Chain worn 3 Resharpen or replace chain 4 Cutters dull improperly sharpened or 4 See the chain sharpening instructions depth gauges too high 5 Sprocket worn 5 Contact your Authorized Service Dealer Chain stops within 1 Chain cutter tops not filed flat 1 See the chain sharpening instructions the cut 2 Guide bar burred or bent rails uneven 2 Repair or replace guide bar 8 Clutch slipping 3 Contact your Authorized Service Dealer Chain cuts at an 1 Cutters damaged on one side 1 Resharpen until all cutters have equal angle angles and lengths 2 Chain dull on one side 2 Resharpen until all cutters have equal angles and lengths 8 Guide bar bent or worn 3 Replace guide bar E MAINTENANCE CHART Visual ins
37. nce of your product dif fers from those described in this Operator s Manual please contact your local Poulan Weed Eater Dealer for updated information and assistance Always update your tool when improvements are made available especially those related to safety Parts and re pair service are not available directly from Poulan Weed Eater Division White Consoli dated Industries Inc POULAN WEED EATER DIVISION WHITE CONSOLIDATED INDUSTRIES INC 530 067722 2 10 12 90 Shreveport Louisiana 71139 9329 61990 Poulan Weed Eater Division White Consolidated Industries Inc
38. nds in the above areas must be equipped witha sparkar restor maintained in effective working order or the engine must be constructed equipped and maintained for the pre vention of fire Check with your state or local authorities im regulations pertaining to these du hear S d Failureto oliow these requirements is a violation of the law This SAVE THESE INSTRUCTIONS unit is factory equipped with a spark arrestor Ifa Spark arrestor is required in your area you are legally re sponsible for maintaining the operating condition of these parts _ X X X X _ e KNOW YOUR UNIT A INTRODUCTION B UNPACKING INSTRUCTIONS Your saw has been designed with safety in mind and 1 After removing the contents from the carton includes the following safety features as standard 5 check parts against the Carton Contents list equipment 2 Examine the parts for damage Do not use dam Chain Brake aged parts Spark Arrestor 3 Notify your POULAN PRO dealer immediately Temperature Limiting Muffler if a part is missing or damaged Throttle Lock Out Anti vibration System NOTE It is norma to hear the fuel filter rattle inan Chain Catcher Pin empty fuel tank C CARTON CONTENTS KEY NO NOTE Hardware A through G illustrated 1 2 8 A B C D E E G actual size in the Assembly section QTY Powerhead 1 Bar Wrench 1 Bucking Spikes 1 Nut
39. nufacturer recom mends that you have a qualified service dealer make all carburetor adjustments Your dealer has the training experience and tools necessary to properly adjust your saw to meet fac tory performance specifications This service is not covered by warranty If it becomes necessary for jou to make carburetor adjustments yourself fol ow the described procedures very carefully The carburetor has been adjusted at the fac toryforsealevelconditions Adjustments may become necessary if the saw is used at significantly higher altitudes or if you notice any of the following conditions NOTE Be sure to properly repare the saw as de scribed in 1 Preparation below before making any adjustments Chain moves when the engine runs at idle speed See 2 Idle Speed Adjustment Saw will not idle See 2 Idle Speed Adjust ment and 3 Low Speed Mixture Adjust ment Engine dies or hesitates when it should acceler ate See 4 Acceleration Adjustment Loss of cutting power which is not corrected by air filter cleaning See 5 High Speed Mixture Adjustment CAUTION ION Permanent damage will occur to any 2 cycle engine if incorrect carburetor adjustments are made If the unit will not operate properly after makingthese adjustments take the saw toa qualified service dealer A WARNING Pre Filter Idle Speed x WU Screw High Speed Mixture Screw Figure
40. ol special safety precau tions must be observed to reduce the risk of accidents Careless or improper use tion that might be aggravated by strenuous work check with your doctor before operating a chain saw 4 Do not attempt to use your chain saw during bad weather conditions such as strong wind rain Snow ice etc or at night 5 Carefully plan your sawing operation in ad vance Do not start cutting until you have a clear workarea secure footing and if you are fellingtrees a planned retreat path AVOID REACTIVE FORCES Pinch Kickback and Pull In oceur when the chain is suddenly stopped by being pinched caught or by contacting a foreign object in the wood This sudden stopping of the chain results in a reversal of the chain force used to cut wood and causes the saw to move in the opposite direction of the chain rotation Pinch Kickback drives the saw straight back toward the operator Pull In pulls the saw away from the operator Either reaction can result in loss of control and possibly serious injury To avoid Pinch Kickback 1 Be extremely aware of situations or obstruc tions that can cause material to pinch the top of or otherwise stop the chain 2 Do not cut more than one log at a time 8 Do not twist the saw as the baris withdrawn from an under cut when bucking To avoid Pull In 1 Always begin cutting with the engine at full throttle and the saw housing against wood 2 Use wedges made of p
41. om kickback Al though it may appear the chain is stopping quickly it Still may not be fast enough to provide protection in the event of kickback Optional Reduced Kickback Guide Bar de signed with a small radius tip which reduces the size ofthe kickback danger zone on the bar tip Figure 5 A reduced kickback guide bar has been demon strated to reduce the hazard of kickback Optional Low Kickback Chain designed with a contoured depth gauge and elongated guard link which allows wood to gradually ride into the cutter Figure 5 Low Kickback Chain has been demon strated to reduce kickback significantly And Allows Wood Gradually Ride Into Cutter Reduced Kickback Symmetrical Guide Bar 9 Ee Symmetrical g Cu Wai E Guide Bar Radius Tip in With High Kickback Potential A WARNING Do not operate the saw unless the safety devices or their specified replacements are properly in stalled and maintained aecording to the instruc tionsinthis manual Do not use any guide bar and chain combination that is not equivalent to the original or optional equipment Failure to follow these instructions can result in serious injury STATE AND LOCAL REQUIREMENTS For users on U S Forest Land and in some states in eluding California Public Resources Codes 4442 and 4443 Idaho Maine Minnesota New Jersey Oregon and Washington Certain internal combustion engines operated on forest brush and or grass covered la
42. on C CHAIN BRAKE e This sawis equipped with a chain brake The brakeis designed to stop the chain if a kick back occurs e The inertia activated chain brake is activated if the front hand guard is pusbed forward either manually or by centrifugal force Figure 15 e ifthe brake is already activated it is disengaged by pullingthe front hand guard back until it touches the front handle Figure 15 When working with the saw the chain brake must be disengaged AW The effectiveness of a chain brake in reducing erator injuries has not yet been fully determine We cannot represent that a chain brake is an effec tive safety device to prevent or reduce the hazard of injuries resulting from kickback DO NOT AS SUME THAT THE CHAIN BRAKE WILL PRO YOU IN THE EVENT OF A KICKBACK In stead use the saw properly and carefully to avoid kickback Reduced Kickback bars and Low Kickback chains reduce the hazard of kickback and are recommended Repairs on a chain brake should be made by an Authorized POULAN PRO Service Dealer Take your unit to the place of pur chase if purchased from a Servicing Dealer or to the nearest Authorized Master Service Dealer TYPES OF CUTTING A BASIC CUTTING TECHNIQUE 1 IMPORTANT POINTS a Cut wood only Do not cut metal plastics ma sonry non wood building materials etc b Stop the saw if the chain strikes a foreign object Inspect the saw and repai
43. pection condition leaks Check operation Complete machine Throttle trigger safety throttle lock stop switch Filter in fuel tank Chain lubrication Saw chain Inspect Sharpness wear damage l el Gekduntmim dr Staron wen Guide bar iepen eas damage poe E Lubricate sprocket nose bf TT Deburr 2 LL Chain sprocket Pre filter Air filter See Note below s v LIT Replace when worn or damaged FIGLI Exhaust ports Ciean cud el Cylinder fins See Note below Clean Carburetor Check idle adjustment chain must not turn Readjust idle when chain turns tt Spark plug puse All accessible screws and nuts not adjusting screws Retighten Vibration mounts Inspect tears rips separation out of round Replace Wenweemy Spark arrestor screen Pesce tH Ree when wora ordam NOTE When cutting fibrous material such as palms pampas grass yucca etc clean the cooling system including cylinder cooling fins after every other refueling ays POULAN PRO ACCESSORIES your Poulan Pro dealer for accessories and parts File flat 6 Ves PE CE ER 952 055027 de
44. r or replace arts as necessary the chain out of dirt and sand Evena small amount of dirt will quickly dull a chain and thus increase the possibility of kickback 4 WARNING Kickback can oceur when the moving chain con tacts an object at the upper portion of the tip ofthe guide bar or when the wood closes in and pinches the saw chain in the cut Contact at the upper por tion of the tip ofthe guide bar can cause the chain to dig into the object and stop the chain for an in stant The result is a lightning fast reverse reac tion which kicks the guide bar up and back toward the operator If the saw chain is pinched along the top of the guide bar the guide bar can be driven rapidly back toward the operator Either of these reactions can cause loss of saw control which can result in serious injury saw or spur against the log Figure 16 2 UNDERSTANDING REACTIVE FORCES Pinch kickback and Pull In occur when the chain is suddenly stopped by being pinched caught or by contacting a foreign object in the wood This stopping of the chain results in a re versal of the chain force used to cut wood and causes the saw to move in the opposite direction of chain ro tation Either reaction can result in loss of control and serious injury e Pinch Kickback occurs when the chain on top of the baris sudden ly stopped rapidly drives the saw back toward the operator Pull in occurs when t
45. te lacks 2 Spark plug fouled 2 Clean or replace spark plug and re gap power or dies 8 Carburetor requires adjustment 8 See Carburetor Adjustments under a load 4 Exhaust ports or muffler outlets plugged 4 Contact your Authorized Service Dealer 5 Compression low 5 Contact your Authorized Service Dealer 6 None of the above 6 Contact your Authorized Service Dealer Engine 1 Air filter dirty 1 Clean or replace air filter smokes 2 Fuel mixture incorrect 2 Refuel with correct fuel mixture excessively 8 High speed mixture requires adjustment 3 See Carburetor Adjustments 4 Choke partially on 4 Push Choke knob in 5 Crankcase leak 5 Contact your Authorized Service Dealer Engine runs hot 1 Fuel mixture incorrect 1 See Fueling Your Unit 2 High speed mixture set too low Lean 2 See Carburetor Adjustments 3 Spark plug incorrect 8 Replace with correct plug 4 Exhaust ports or muffler outlets plugged 4 Contact your Authorized Service Dealer 5 Carbon build up on muffler outlet screen 5 Clean spark arrestor screen 6 Fan housing cylinder fins dirty 6 Clean area 7 None of the above 7 Contact your Authorized Service Dealer Oil inadequate for 1 Oil tank empty 1 Fill oil tank bar and chain 2 Improperly adjusted oiler 2 Adjust oiler lubrication 8 Oil pump or oil filter clo 8 Contact your Authorized Service Dealer 4 Guide bar oil hole block 4 Remove and clea
46. to the hole in the pre filter Figure 41 b Push the pre filter forward then remove the pre filter from the engine c Wash the pre filter in soap and water Do not use gasoline or other flam mable liquid to clean the pre filter to avoid creating a fire hazard d Reinstall pre filter in engine Figure 41 To avoid damage to the engine do not operate the unit without the pre filter and air filter in place G STORAGE When your saw is to be stored for over 30 days always 1 Drain fuel tank in a safe manner See Fueling Your Engine Fuel Safety 2 Start engine and allow to run at idle speed until the engine stops NOTE Running the engine until it stops will re move most of the fuel from the fuel system NOTE it is important to prevent guin deposits from forming in essential fue Vege parts such as the carburetor fuel filter fuel hose or tank during storage Alcohol blended fuels called gasohol or using ethanol or methanol can attract moisture which leads to separation and formation of acids during storage Acidic gas can damage the fuel sys tem of an engine while in storage 3 Drain oil from oil tank Wear protective gloves when han dling the chain The chain is sharp and can cut you even when it is not moving 4 Remove clean and dry the bar and chain 5 Store the chain in a container filled with oil to pre vent rust 6 Applya coating of oil to the entire surface of the bar
47. trunk is rotted it can snap and fall toward the operator d Check for broken or dead branches which can fall on you while cutting Make sure there is enough room for the tree to fall Maintain a distance of 2 1 2 tree lengths from the nearest person or other objects Engine noise can drown out a warning call f Remove dirt stones loose bark nails sta ples and wire from the tree where cuts are 5 to be made g Plan to stand on the up hill side when cut ting on a slope Figure 17 h Plan aclear retreat path to the rear and di agonal to the line of fall Fi 18 2 FE G SMALL TREES S THAN 6 IN DIAMETER a If you know the direction of fall 1 Make a single felling cut on the side away from the direction of fall 2 Cut all the way through 3 Stop the saw put it down and get away quickly on your planned retreat path b Ifyou are not sure which way the tree will fall use the notch method described for felling large trees DO NOT CUT 4 WARNING 7near electrical wires or buildings if you do not know the direction of tree fall at night since you will not be able to see well during bad weather rain snow strong wind etc 3 FELLING LARGE TREES 6 Dia Or More The notch method is used to cut large trees A notch is cut on the side of the tree in the desired direction of fall After a felling cut is made on the opposite side of the tree the tree will tend to fail into the notch NOTE
48. uel mixture of regular unleaded gasoline and a high quality en gine oil specially made for 2 cyele air cooled engines The internal design of the 2 cycle engine requires lubrication of moving parts Lubrication is provided when the recom mended mixture of gasoline and oil is used Genuine POULAN PRO 40 1 2 cycle en gine oil is strongly recommended for the protection of your unit Extensive engineer ing tests have proven that POULAN PRO oil re sists break down at operating temperatures common to 2 cycle engines resulting in de pendable performance and longer engine life Gasoline must be clean and not over two months old Gasoline will chemically break down and form compounds that cause hard Starting and damage in two cycle engines The correct measure of gasoline to oil is very important Too much oil in the mixture will foul the spark plug and cause excess carbon build up in the combustion and muffler areas especially on the spark arrestor screen Too little oil or incorrect oil will cause the engine to overheat and seize Always mix the fuel thoroughly in con tainer since gasoline and oil do not readily combine Do not mix gasoline and oil directlyin the fuel tank 3 USE THE FOLLOWING ONLY POULAN PRO 40 1 2 cycle engine oil is strongly recommended Any other POULAN or WEED EATER brand 2 cycle engine oil is acceptable if mixed according to the instructions on container If POULAN or
49. w so far clock wise that you have high speed but lack pow ja while cutting An effective approach fol ows Turn screw counterclockwise until engine loses power while cutting Then turn serew clockwise in 1 16 of a turn in crements only until the engine has power while cutting This saw has a governor to protect the engine from over revving however a too lean setting will still damage the engine NOTE If the unit will not operate properly after making these adjustments take the saw to a quali fied service dealer F AIR FILTER eA dirty air filter reduces cutting power increases fuel consumption Clean the air filter frequently especially under very dusty condi ons always after 10 tanks of fuel mixture or 5 hours of operation whichever is less 1 Clean off the air filter cover and the area around it to keep dirt and sawdust from falling into the en gine when the cover is removed 2 Loosen the air filter cover screws and remove the air filter cover Fi 43 8 Using a screwdriver remove the air filter from the air filter cover Figure 43 4 Wash the filter in soap and water Do not use gasoline or other fiam mable liquid to clean the filter to avoid creating a fire hazard 5 Reverse steps 1 through 8 to reassemble parts NOTE This saw is equipped with a pre filter Clean the pre filter as follows a Insert the tip of a small screwdriver in
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