MKS 4245 - Saw Hurricane - Free user manual and instructions

USER MANUAL MKS 4245 Hurricane

Operating Instructions Gas Chain Saws

1. DO NOT operate a chain saw with one hand! Serious

injury to the operator, helpers, bystanders, or any combination of these persons may result from one- handed operation. A chain saw is intended for two- handed use.

2. DO NOT operate a chain saw when you are fatigued.

3. Use safety footwear, snug-fitting clothing, protective

gloves, and eye, hearing and head protection devices.

4. Use caution when handling fuel. Move the chain saw

at least 10 feet (3m) from the fueling point before starting the engine.

5. DO NOT allow other persons to be near when start-

ing or cutting with the chain saw. Keep bystanders and animals out of the work area.

6. DO NOT start cutting until you have a clear work

area, secure footing, and a planned retreat path from the falling tree.

7. Keep all parts of your body away from the saw chain

when the engine is running.

8. Before you start the engine, make sure that the saw

chain is not contacting anything.

9. Carry the chain saw with the engine stopped, the

guide bar and saw chain to the rear, and the muffler away from your body.

10. NEVER use a chainsaw which is damaged, incor-

rectly set or incompletely and loosely assembled. Make sure that the chainsaw is switched off when releasing the chain brake.

11. Shut off the engine before setting the chain saw

12. 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.

13. When cutting a limb that is under tension, be alert for

springback so that you will not be struck when the tension in the wood fibers is released.

14. Keep the handles dry, clean, and free of oil or fuel

15. Operate the chain saw only in well-ventilated areas.

16. DO NOT operate a chain saw in a tree unless you

have been specifically trained to do so.

17. All chain saw service, other than the items listed in

the user manual safety and maintenance instructions, should be performed by competent chain saw service personnel.

18. When transporting your chain saw, use the appropri-

ate guide bar scabbard.

19. DO NOT operate your chain saw near or around

flammable liquids or gases whether in or out of doors. An explosion and/or fire may result.

20. Do not tank fuel, oil or lubrication when the engine of

chain saw is running.

21. USE THE RIGHT TOOL: Cut wood only. Do not use

the chain saw for purposes for which it was not intended. For example, do not use the chain saw for cutting plastic, masonry, or nonbuilding materials. NOTE: This appendix is intended primarily for the con- sumer or occasional user. These models are intended for infrequent use by homeowners, cottagers, and campers, and for such general applications as clearing, pruning, cutting firewood, etc. They are not intended for prolonged use. If the intended use involves prolonged periods of operation, this may cause circulatory problems in the user’s hands due to vibration. It may be appropriate to use a saw having an anti-vibration feature such as the models covered in this manual with the suffix Anti-Vibration. Kickback may occur when the nose or tip of the guide bar touches an object, or when the wood closes in and pinch- es the saw chain in the cut. If the bar tip contacts, it may cause a lightning-fast reverse reaction, kicking the guide bar up and back towards the operator. Pinching the saw chain along the top of the guide bar may push the guide bar rapidly back towards the operator. Either of these reactions may cause you to lose control of the saw, which could result in serious personal injury. Do not rely exclu- sively upon the safety devices built into your saw. As a chain saw user, you should take several steps to keep your cutting jobs free from accident or injury.

1. With a basic understanding of kickback, you can

reduce or eliminate the element of surprise. Sudden surprise contributes to accidents.

2. Keep a good firm grip on the saw with both hands,

the right hand on the rear handle, and the left hand on the front handle, when the engine is running. Use a firm grip with thumbs and fingers encircling the chain saw handles. A firm grip will help you reduce kickback and maintain control of the saw. Don’t let go.

3. Make sure that the area in which you are cutting is

free from obstructions. Do not let the nose of the guide bar contact a log, branch, or any other obstruc- tion which could be hit while you are operating the saw.

4. Cut at high engine speeds.

5. Do not overreach or cut above shoulder height.

6. Follow manufacturer’s sharpening and maintenance

instructions for the saw chain.

7. Only use replacement bars and chains specified by

the manufacturer or the equivalent.

Read the user manual before using the machine On all jobs performed with the saw you must always wear safety goggles to guard your eyes from flying materials/objects and a sound-proof helmet, ear plugs or the like to protect your hea- ring. Wear a safety helmet if there is a risk of objects falling on you from above. Protect yourself from saw kickback. Hold the chain saw securely with both hands during use. Wear gloves to protect your hands. Wear safety shoes to protect your feet. Noise emission complies with Directive 2000/14/EC! Warning! Danger! Make sure that the chain brake is released. Pull back the handle/chain brake before operating. Anleitung MKS 42_45 30.05.2005 16:04 Uhr Seite 14GB

NOTE: Low-kickback saw chain is chain that has met the kickback performance. A safety sign is fitted to the chain saw’s fan filter cover. This label, along with the safety instructions on these pages, should be carefully read before attempting to operate this unit.

• HOW TO READ SYMBOLS AND COLORS (FIG. 1) GREEN RECOMMENDED Recommended cutting proce- dure. WARNING

1. Beware of kick back.

2. Do not attempt to hold saw

3. Avoid bar nose contact.

4. Hold Saw properly with both

• DANGER! BEWARE OF KICKBACK! KICKBACK may occur when the NOSE or TIP of the guide bar touches an object, or when wood closes in and pinches the saw chain in the cut. Tip contact in some cases may cause a lightning-fast reverse reaction, kicking the guide bar up and back toward the operator. PINCHING the saw chain along the BOTTOM of the guide bar may PULL the saw forward away from the operator. PINCHING the saw chain along the TOP of the guide bar may PUSH the guide bar rapidly back toward the operator. Any of these reactions may cause you to lose control of the saw, which could result in serious personal injury. TECHNICAL DATA Engine displacement 42 cm

Tank capacity 400 ml Oil tank capacity 220 ml Anti-vibration function Yes Teeth 9 Chain brake Yes Clutch Yes Automatic chain lubrication Yes Low-kickback chain Yes Net weight without chain and chain bar 5.6 kg Net weight 6.5 kg Petrol consumption approx. 1.5 kg/h Sound pressure level 103 dB(A) Working pressure level 114 dB(A) Braking time from working speed 0.07 s Vibration 11.34 m/s

WARNING: RED Used to warn that an

unsafe procedure should not be performed.

WARNING: Kickback can lead to dangerous

loss of control of the chain saw and result in serious or fatal injury to the saw operator or to anyone standing close by. Always be alert. Rotational kickback and pinch-kickback are major chain saw operational dangers and the leading cause of most accidents. Fig. 2A Fig. 2B

(Fig. 2B) A = Kickback path A = Pull B = Kickback reaction zone B = Solid objects C = Push Anleitung MKS 42_45 30.05.2005 16:04 Uhr Seite 15GB GENERAL INFORMATION 2 LOW KICKBACK SAW CHAIN helps significantly reduce kickback, or the intensity of kickback, due to specially designed depth gauges and guard links. 5 CHAIN BRAKE LEVER / HAND GUARD protects the operator’s left hand in the event it slips off the front handle while saw is running. 5 CHAIN BRAKE is a safety feature designed to reduce the possibility of injury due to kickback by stopping a moving saw chain in milliseconds. It is activated by the CHAIN BRAKE lever. 16 STOP SWITCH immediately stops the engine when tripped. Stop switch must be pushed to ON position to start or restart engine. 11 SAFETY TRIGGER prevents accidental acceleration of the engine. Throttle trigger (19) cannot be squeezed unless the safety latch is depressed. 20 CHAIN CATCHER reduces the danger of injury in the event saw chain breaks or derails during operation. The chain catcher is designed to intercept a whipping chain. NOTE: Study your saw and be familiar with its parts. SAFETY FEATURES Numbers preceding the descriptions correspond with the numbers on preceding page to help you locate the safety feature.

3. Chain tensioning screw

• TOOLS FOR ASSEMBLY You will need these tools to assemble your chain saw:

1. Ring wrench SW 16

2. Screwdriver / spark plug wrench

• ASSEMBLY REQUIREMENTS Your new chain saw will require adjustment of chain, filling the fuel tank with correct fuel mixture and filling the oil tank with lubricating oil before the unit is ready for operation. Read the entire user manual before attempting to operate your unit. Pay particular attention to all safety precautions. This manual contains not only safety information but also general information on how to assemble, operate and service the saw.

• GUIDE BAR / SAW CHAIN / CLUTCH COVER INSTALLATION TO INSTALL GUIDE BAR: To ensure the bar and chain receive oil, ONLY USE THE ORIGINAL STYLE BAR with the oil passage hole (A) as illustrated above (Fig. 3A).

1. Make sure the Chain brake lever is pulled back into

chain brake cover (C) by pulling it straight out with a strong tug (Fig. 3C). Note: The chain may sag a little. This is normal.

3. Using a screwdriver, run the adjustment screw (D)

COUNTERCLOCKWISE until the TANG (E) (project- ing prong) is to the end of its travel toward the clutch drum and sprocket (Fig. 3D).

1. Spread chain out in a loop with cutting edges (A)

pointing CLOCKWISE around loop (Fig. 4A).

2. Slip the chain around the sprocket (B) behind the

clutch (C). Make sure the links fit between the sprocket teeth (Fig. 4B).

3. Guide the drive links into the groove (D) and around

the end of the bar (Fig. 4B). NOTE: The saw chain may droop slightly on the lower part of bar. This is normal.

4. Pull the chain bar forward until the chain is closely

seated. Make sure that all the drive links are in the groove of the bar.

5. Install the clutch cover and tighten the 2 screws.

Make sure the chain does not slip off of the bar. Install the 2 nuts hand tight and follow tension adjustment instructions in Section SAW CHAIN TENSION ADJUSTMENT. NOTE: The guide bar retaining nuts are installed only hand tight at this point because saw chain adjustment is required. Follow instructions in Section SAW CHAIN TENSION ADJUSTMENT.

• SAW CHAIN TENSION ADJUSTMENT Proper tension of saw chain is extremely important and must be checked before starting, as well as during any cutting operation. Taking the time to make needed adjustments to the saw chain will result in improved cutting performance and prolonged chain life. TO ADJUST SAW CHAIN:

1. Hold nose of guide bar up and turn adjustment screw

(D) CLOCKWISE to increase chain tension. Turning screw COUNTERCLOCKWISE will decrease amount of tension on chain. Ensure the chain fits snugly all the way around the guide bar (Fig. 5).

2. After making adjustment, and while still holding nose

of bar in the uppermost position, tighten the bar retaining nuts securely. Chain has proper tension when it has a snug fit all around and can be pulled around by gloved hand. NOTE: If chain is difficult to rotate on guide bar or if it binds, too much tension has been applied. This requires minor adjustment as follows: A. Loosen the bar retaining nut so they are finger tight. Decrease tension by turning the bar adjustment screw COUNTERCLOCKWISE slowly. Move chain back and forth on bar. Continue to adjust until chain rotates freely, but fits snugly. Increase tension by turning bar adjustment screw CLOCKWISE. B. When saw chain has proper tension, hold nose of bar in the uppermost position and tighten the bar retaining nut securely. ASSEMBLY INSTRUCTIONS

DO NOT start saw engine until unit is properly prepared.

WARNING: Always wear protective gloves

WARNING: Always wear heavy duty gloves

when handling saw chain or making saw chain adjustments.

• CHAIN BRAKE MECHANICAL TEST Your chain saw is equipped with a Chain brake that reduces possibility of injury due to kickback. The brake is activated if pressure is applied against brake lever when, as in the event of kickback, operator’s hand strikes the lever. When the brake is actuated, chain movement stops abruptly. TO TEST CHAIN BRAKE:

1. The Chain brake is DISENGAGED (chain can move)

when BRAKE LEVER IS PULLED BACK AND LOCKED (Fig. 7A).

2. The Chain brake is ENGAGED (chain is stopped)

when brake lever is in forward position. You should not be able to move chain (Fig. 7B). NOTE: The brake lever should snap into both positions. If strong resistance is felt, or lever does not move into either position, do not use your saw. Take it immediately to a professional Service Center for repair.

• FUEL Use regular grade unleaded gasoline mixed with 40:1 custom 2-cycle engine oil for best results.

• MIXING FUEL Mix fuel with 2 cycle oil in an approved container. Shake container to ensure thorough mix.

• FUEL AND LUBRICATION

• RECOMMENDED FUELS Some conventional gasolines are being blended with oxygenates such as alcohol or an ether compound to meet clean air standards. Your engine is designed to operate satisfactorily on any gasoline intended for auto- motive use including oxygenated gasolines. It is recom- mended to use unleaded petrol as fuel.

• CHAIN AND BAR LUBRICATION Always refill the chain oil tank each time the fuel tank is refilled. We recommend using Chain, Bar and Sprocket Oil, which contains additives to reduce friction and wear and to assist in the prevention of pitch formation on the bar and chain. Fig. 6

CAUTION: A new saw chain stretches, requiring adjustment after as few as 5 cuts. This is normal with a new chain, and the interval between future adjustments will lengthen quickly. CAUTION: If saw chain is TOO LOOSE or TOO TIGHT, the sprocket, bar, chain, and crankshaft bearings will wear more rapidly. Study Fig. 6 for information concerning correct cold tension (A), correct warm tension (B), and as a guide for when saw chain needs adjustment (C).

WARNING: The purpose of the chain brake is to

reduce the possibility of injury due to kickback; however, it cannot provide the intended measure of protection if the saw is operated carelessly. Always test the chain brake before using your saw and periodically while on the job.

FUEL AND LUBRICATION

WARNING: Never use straight gasoline in your

unit. This will cause permanent engine damage and void the manufacturer’s warranty for that product. Never use a fuel mixture that has been stored for over 90 days.

WARNING: If 2-cycle lubricant is to be used, it

must be a premium grade oil for 2-cycle air cooled engines mixed at a 40:1 ratio. Do not use any 2-cycle oil product with a recommended mixing ratio of 100:1. If insufficient lubrication is the cause of engine damage, it voids the manu- facturer’s engine warranty for that occurrence.

WARNING: Lack of lubrication voids engine

warranty. Gasoline and Oil Mix 40:1 Oil Only

1. Fill the fuel tank (A) with the correct fuel mix (Fig. 8).

2. Fill the oil tank (B) with the correct chain and bar oil

3. Before you start the engine, make sure that the

chain brake (C) is released.

1. To start the saw, push the switch (ON/OFF switch)

to the ON (I) position (Fig. 9A) .

2. Pull out the choke (A) to the point where it latches in

4. Place the saw on a firm and level surface. Hold the

saw securely with your foot as illustrated. Tug sharply on the starter 4 times. Watch the chain in case it runs (Fig. 9D). NOTE: If the engine sounds as if it wants to start before the 4th tug, end the tugging of the starter and proceed as described in the next step.

5. Push in the choke (G) as far it will go (Fig. 9E).

6. Hold the saw securely and tug sharply on the starter

4 times. The engine should start.

7. Let the engine run for 10 seconds to warm up.

Press the trigger (H) and put it into idle (Fig. 9F).

8. If the engine does not start up, repeat the above

1. Make sure that the switch is set to ON .

2. Tug sharply on the starter rope 4 times. The engine

3. If the engine does not start up, refer to the instruc-

1. Let go of the throttle lever and wait until the engine

is running in idle mode.

2. Push the STOP switch down to stop the engine (Fig.

9G). NOTE: To stop the engine in an emergency, activate the chain brake and push the STOP switch down.

• CHAIN BRAKE OPERATIONAL TEST Test the chain brake periodically to ensure proper function. Perform a chain brake test prior to initial cutting, following extensive cutting, and definitely following any Chain brake service. TEST CHAIN BRAKE AS FOLLOWS (Fig. 10) :

1. Place saw on a clear, firm, flat surface.

3. Grasp the rear handle (A) with your right hand.

4. With your left hand, hold the front handle (B) [not

chain brake lever (C)] firmly.

5. Squeeze the throttle trigger to 1/3 throttle, then

immediately activate the chain brake lever (C).

6. Chain should stop abruptly. When it does,

immediately release the throttle trigger.

7. If chain brake functions properly, turn the engine off

and return the chain brake to the DISENGAGED position. OPERATING INSTRUCTIONS

WARNING: Never start or operate the saw

unless the bar and chain are properly installed.

WARNING: Activate the chain brake slowly

and deliberately. Keep the chain from touching anything; don t let the saw tip forward.

WARNING: If chain does not stop, turn

engine off and take your unit to the nearest Talon Authorized Service Center for service. Abb. 8 Abb. 9A

• SAW CHAIN / BAR LUBRICATION Adequate lubrication of the saw chain is essential at all times to minimize friction with the guide bar. Never starve the bar and chain of oil. Running the saw with too little oil will decrease cutting efficiency, shorten saw chain life, cause rapid dulling of chain, and cause excessive wear of bar from overheating. Too little oil is evidenced by smoke, bar discoloration or pitch build-up. NOTE: Saw chain stretches during use, particularly when it is new, and it will occasionally be necessary to adjust and tighten it. New chain will require adjustment after about 5 minutes of operation.

• AUTOMATIC OILER Your chain saw is equipped with an automatic gear dri- ven oiler system. The oiler automatically delivers the proper amount of oil to the bar and chain. As the engine speed increases, so does the oil flow to the bar pad. There is no flow adjustment. The oil reservoir will run out at approximately the same time as the fuel supply runs out.

• FELLING Felling is the term for cutting down a tree. Small trees up to 6-7 inches (15-18cm) in diameter are usually cut in a single cut. Larger trees require notch cuts. Notch cuts determine the direction the tree will fall. FELLING A TREE: IMPORTANT: Felling trees is prohibited without the nec- essary training! NOTE: Direction of fall (B) is controlled by the notching cut. Before any cuts are made, consider the location of larger branches and natural lean of the tree to determine the way the tree will fall. GENERAL GUIDELINES FOR FELLING TREES (Fig. 15): Normally felling consists of 2 main cutting operations, notching (C) and making the felling cut (D). Start making the upper notch cut (C) on the side of the tree facing the felling direction (E). Be sure you don t make the lower cut too deep into the trunk. The notch (C) should be deep enough to create a hinge (F) of sufficient width and strength. The notch should be wide enough to direct the fall of the tree for as long as possible. Never saw completely through the trunk. Always leave a hinge. The hinge guides the tree. If the trunk is completely cut through, control over the felling direction is lost. Insert a wedge or felling lever in the cut well before the tree becomes unstable and starts to move. This will prevent the guidebar from binding in the felling cut if you have misjudged the falling direction. Make sure no bystanders have entered the range of the falling tree before you push it over. FELLING CUT:

1. Use wooden or plastic wedges (A) to prevent binding

the bar or chain (B) in the cut. Wedges also control felling (Fig. 14A).

2. When diameter of wood being cut is greater than the

bar length, make 2 cuts as shown (Fig. 14B).

GENERAL CUTTING INSTRUCTIONS

WARNING: A retreat path (A) should be planned

and cleared as necessary before cuts are started. The retreat path should extend back and diagonally to the rear of the expected line of fall, as illustrated in Fig. 12. CAUTION: If felling a tree on sloping ground, the chain saw operator should keep on the uphill side of the terrain, as the tree is likely to roll or slide downhill after it is felled. Fig. 12

WARNING: Do not cut down a tree during high or

changing winds or if there is a danger to proper- ty. Consult a tree professional. Do not cut down a tree if there is a danger of striking utility wires; notify the utility company before making any cuts.

Never walk in front of a tree that has been notched. Make the felling cut (D) from the other side of the tree and 1.5 - 2.0 inches (3-5 cm) above the edge of the notch (C) (Fig. 13) Fig. 13

WARNING: Before making the final cut,

WARNING: As the felling cut gets close to

the hinge, the tree should begin to fall. When tree begins to fall, remove saw from cut, stop engine, put chain saw down, and leave area along retreat path (Fig. 12).

• LIMBING Limbing a tree is the process of removing the branches from a fallen tree. Do not remove supporting limbs (A) until after the log is bucked (cut) into lengths (Fig. 15). Branches under tension should be cut from the bottom up to avoid binding the chain saw.

• BUCKING Bucking is cutting a fallen log into lengths. Make sure you have a good footing and stand uphill of the log when cutting on sloping ground. If possible, the log should be supported so that the end to be cut off is not resting on the ground. If the log is supported at both ends and you must cut in the middle, make a downward cut halfway through the log and then make the undercut. This will prevent the log from pinching the bar and chain. Be careful that the chain does not cut into the ground when bucking as this causes rapid dulling of the chain. When bucking on a slope, always stand on the uphill side.

1. Log supported along entire length: Cut from top

(overbuck), being careful to avoid cutting into the ground (Fig. 16A).

2. Log supported on 1 end: First, cut from bottom

(underbuck) 1/3 diameter of log to avoid splintering. Second, cut from above (overbuck) to meet first cut and avoid pinching (Fig. 16B).

3. Log supported on both ends: First, overbuck 1/3

diameter of log to avoid splintering. Second, underbuck to meet first cut and avoid pinching (Fig. 16C). NOTE: The best way to hold a log while bucking is to use a sawhorse. When this is not possible, the log should be raised and supported by the limb stumps or by using supporting logs. Be sure the log being cut is securely supported.

• BUCKING USING A SAWHORSE For personal safety and ease of cutting, the correct position for vertical bucking is essential (Fig. 17). VERTICAL CUTTING: A. Hold the saw firmly with both hands and keep the saw to the right of your body while cutting. B. Keep the left arm as straight as possible. C. Keep weight on both feet. All chain saw service, other than items listed here in your user manual maintenance instructions, should be performed professional.

• PREVENTIVE MAINTENANCE A good preventive maintenance program of regular inspection and care will increase life and improve performance of your Talon chain saw. This maintenance checklist is a guide for such a program. Cleaning, adjustment, and parts replacement may be required, under certain conditions, at more frequent intervals than those indicated.

• AIR FILTER TO CLEAN AIR FILTER:

1. Remove the top cover (A) by loosening the cover

retaining screws. Cover will lift off. (Fig. 18a)

2. Lift the air filter (B) out of air-box (C) (Fig. 18b).

3. Clean air filter. Wash filter in clean, warm, soapy

water. Rinse in clear, cool water. Air dry completely. NOTE: It is advisable to have a supply of spare filters.

4. Install air filter. Install engine / air filter cover. Make

sure cover fits properly. Tighten the cover retaining screws securely.

Replace as Required Chain brake Inspect components Replace as Required CAUTION: Never operate saw without the air filter. Dust and dirt will be drawn into engine and damage it. Keep the air filter clean!

Never perform maintenance when the engine is hot, to avoid any chance of burning hands or fingers. CAUTION: When working with the saw, always make sure that the saw chain and chain bar are sufficiently lubricated.

1. Remove the fuel tank cap.

2. Bend a piece of soft wire.

3. Reach into fuel tank opening and hook fuel line.

Carefully pull the fuel line toward the opening until you can reach it with your fingers. NOTE: Do not pull hose completely out of tank.

4. Lift filter (A) out of tank (Fig. 19).

5. Pull off the filter with a twist and clean it; if the filter

is damaged, dispose of it.

6. Insert a new filter. Place one end of the filter into the

tank opening. Make sure that the filter is seated in the lower corner of the tank. If necessary, use a long screwdriver to move the filter to its correct posi- tion, taking care not to damage in the process.

7. Fill tank with fresh fuel / oil mixture. See Section

SPARK MESH NOTE: Engine performance is greatly reduced by a dirty spark mesh.

1. Release the chain brake. Remove the 2 screws (A)

and take out the muffler (Fig. 20A).

2. Remove the 2 screws holding the cover (C), see

3. Dispose of the old spark mesh (D) and insert a new

4. Assemble the exhaust parts in reverse order and

fasten again on the cylinder. Tighten the screws.

• SPARK PLUG NOTE: For efficient operation of saw engine, spark plug must be kept clean and properly gapped.

1. Push STOP switch down.

2. Remove the cover (A) by undoing the cover fasten-

ing screws (Fig. 21A).

3. Disconnect the ignition cable (B) from the spark plug

by pulling and twisting it simultaneously (Fig. 21B).

4. Reinstall a new spark plug, gapped at 0.6mm.

• CARBURETOR ADJUSTMENT The carburetor was pre-set at the factory for optimum performance. If further adjustments are necessary, please take your unit to the nearest professional.

• STORING A CHAIN SAW Storing a chain saw for longer than 30 days requires storage maintenance. Unless the storage instructions are followed, fuel remaining in the carburetor will evaporate, leaving gum-like deposits. This could lead to difficult starting and result in costly repairs.

1. Remove the fuel tank cap slowly to release any

pressure in tank. Carefully drain the fuel tank.

2. Start the engine and let it run until the unit stops to

remove fuel from carburetor.

3. Allow the engine to cool (approx. 5 minutes).

4. Using a spark plug wrench, remove the spark plug.

5. Pour 1 teaspoon of clean 2-cycle oil into the

combustion chamber. Pull starter rope slowly several times to coat internal components. Replace spark plug (Fig. 22). NOTE: Store the unit in a dry place and away from possible sources of ignition such as a furnace, gas hot water heater, gas dryer, etc. CAUTION: Never use the saw without a fuel filter. After 20 hours in operation the fuel fil- ter should be cleaned or, in case of dam- age, replaced. Be sure to empty the fuel tank before changing the filter. CAUTION: Never put a chain saw into stor- age for longer than 30 days without carrying out the following steps.

2. Pull starter rope briskly to clear excess oil from com-

3. Clean the spark plug and check that the electrode

4. Prepare unit for operation.

5. Fill fuel tank with proper fuel / oil mixture. See FUEL

AND LUBRICATION Section.

• CHAIN BAR MAINTENANCE Regular lubrication of the chain bar (guide rail for the chain and teeth) is essential. The chain bar needs the maintenance described in the following section in order for the saw to work at an optimum level of performance. TOOLS FOR LUBRICATION: The Lube Gun (optional) is recommended for applying grease to the guide bar sprocket tip. The Lube Gun is equipped with a needle nose tip which is necessary for the efficient application of grease to the sprocket tip. TO LUBRICATE SPROCKET TIP: Lubrication of the sprocket tip is recommended after 10 hours of use or once a week, which ever occurs first. Always thoroughly clean guide bar sprocket tip before lubrication. NOTE: The saw chain does not have to be removed in order to lubricate the teeth of the chain bar. Lubrication is possible during work, with the engine switched off.

1. Move the STOP switch down.

into the lubrication hole and inject grease until it appears at outside edge of sprocket tip (Fig .23).

4. Rotate saw chain by hand. Repeat lubrication proce-

dure until the entire sprocket tip has been greased. GUIDE BAR MAINTENANCE: Most guide bar problems can be prevented merely by keeping the chain saw well maintained. Insufficient guide bar lubrication and operating the saw with chain that is TOO TIGHT will contribute to rapid bar wear. To help minimize bar wear, the following guide bar main- tenance procedures are recommended. CHAIN SHARPENING: Chain sharpening requires special tools to ensure that cutters are sharpened at the correct angle and depth. For the inexperienced chain saw user, we recommend that the saw chain be professionally sharpened by the nearest professional Service Center. If you feel comfortable sharpening your own saw chain, special tools are available from the professional Service Center. CHAIN SHARPENING - The pitch of the chain (Fig. 24) is 3/8” LoPro x .050”. Sharpen the chain using protective gloves and a round file of ø3/16” (4.8mm). Always sharpen the cutters only with outward strokes (Fig.

25) observing the values given in Fig. 24.

After sharpening, the cutting links must all have the same width and length. After every 3-4 times the cutters have been sharpened you need to check the height of the depth gauges and, if necessary, lower them using the flat file and template sup- plied optional, then round off the front corner. (Fig. 26) GUIDE BAR - The bar should be reversed every 8 work- ing hours to ensure uniform wear. Keep the bar groove and lubrication hole clean using the bar groove cleaner supplied optional. (Fig. 27) Check the bar rails frequently for wear and, if necessary, remove the burs and square-up the rails using the flat file. (Fig. 28) CAUTION: The sprocket tip on your new saw has been pre-lubricated at the factory. Failure to lubricate the guide bar sprocket tip as explained below will result in poor performance and seizure, voiding the manufacturer’s warranty.

WARNING: Wear heavy duty work gloves

when handling the bar and chain. Fig. 23

WARNING: Always wear protective gloves dur-

ing maintenance operations. Do not carry out maintenance when the engine is hot.

WARNING: A sharp chain produces well-

defined chips. When your chain starts to produce sawdust, it is time to sharpen. Fig. 26Fig. 25

WARNING: Proper adjustment of the depth

gauge is as important as proper sharpening of the chain.

WARNING: Never mount a new chain on a

worn sprocket or self-aligning ring. Fig. 24 Anleitung MKS 42_45 30.05.2005 16:04 Uhr Seite 23BAR WEAR - Turn guide bar frequently at regular intervals (for example, after 5 hours of use), to ensure even wear on top and bottom of bar. OIL PASSAGES - Oil passages on the bar should be cleaned to ensure proper lubrication of the bar and chain during operation. NOTE: The condition of the oil passages can be easily checked. If the passages are clear, the chain will automatically give off a spray of oil within seconds of starting the saw. Your saw is equipped with an automatic oiler system.

• CHAIN MAINTENANCE CHAIN TENSION: Check the chain tension frequently and adjust as often as necessary to keep the chain snug on the bar, but loose enough to be pulled around by hand. BREAKING IN A NEW SAW CHAIN: A new chain and bar will need chain readjustment after as few as 5 cuts. This is normal during the break-in period, and the interval between future adjustments will begin to lengthen quickly. CHAIN LUBRICATION: Always make sure the automatic oiler system is working properly. Keep the oil tank filled with Chain, Bar and Sprocket Oil. Adequate lubrication of the bar and chain during cutting operations is essential to minimize friction with the guide bar. Never starve the bar and chain of lubricating oil. Running the saw dry or with too little oil will decrease cutting efficiency, shorten saw chain life, cause rapid dulling of chain, and lead to excessive wear of bar from overheating. Too little oil is evidenced by smoke or bar discoloration.

WARNING: Never have more than 3 links

removed from a loop of chain. This could cause damage to the sprocket.

1. Attention aux rebonds.

WARNING: Proper adjustment of the depth

3. Make sure that the area in which you are cutting is

free from obstructions. Do not let the nose of the guide bar contact a log, branch, or any other obstruc- tion which could be hit while you are operating the saw.

4. Cut at high engine speeds.

5. Do not overreach or cut above shoulder height.

6. Follow manufacturer’s sharpening and maintenance

instructions for the saw chain.

WARNING: Never mount a new chain on a

1. TURVALLISUUSTOIMINNOT

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