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Page 4 — English

WARNING:

The warnings, labels, and instructions found 
in this section of the operator’s manual are for 
your safety. Failure to follow all instructions may 
result in serious personal injury.

 

Do not cut vines and/or small underbrush (a 

diameter of less than 3 in.).

 

Muffler surfaces are very hot during and after 

operation of the chain saw; keep all body parts 

guide bar and saw chain to the rear, and the 
muffler away from your body. When transporting 
the chain saw, use the appropriate guide bar 
scabbard.

 

Do not operate a chain saw that is damaged, 

improperly adjusted, or not completely and 
securely assembled. Be sure that the saw chain 
stops moving when the throttle control trigger 
is released.

 

Shut off the engine before setting the chain 

saw down. Do not leave the engine running 

unattended. As an additional safety precaution, 
apply the chain brake prior to setting down the 
saw.

 

Use extreme caution when cutting small-size 

brush and saplings because slender material 

may catch the saw chain and be whipped 
toward you or pull you off balance.

 

When cutting a limb that is under tension

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

 

Keep the handles dry, clean, and free of oil or 

fuel   mixture.

 

Beware of carbon monoxide poisoning. 

Operate the chain saw only in well-ventilated 
areas.

 

Do not operate a chain saw in a tree unless 

you have been specifically trained to do so.

 

Do not cut from a ladder; this is extremely 

dangerous.

 

All chain saw service, other than the items listed 

in the instruction manual and all maintenance, 
should be performed by competent chain saw 
service personnel. (For example, if improper 
tools are used to remove the flywheel or if an 
improper tool is used to hold the flywheel in 
order to remove the clutch, structural damage 
to the flywheel could occur and subsequently 
could cause the flywheel to burst.)

 

Always have a fire extinguisher available 

when using chain saw.

 

Use only the replacement guide bars and low 

kickback chains specified for the saw.

 

Do not adapt the powerhead to a bow guide 

or use it to power any attachments or devices 
not listed for the saw.

 

The gas powered saw (or electrically 

powered saw) is classified by CSA as a 

Class 1C (or Class 2C) saw. It is intended for 

infrequent use by homeowners,  cottagers, and 
campers, and for such general applications as 
clearing, pruning, cutting firewood, etc. It is not 
intended for prolonged use. Prolonged periods 
of operation can cause circulatory problems in 
the user’s hands due to vibration. For such use, 
it may be appropriate to use a saw having an 
anti-vibration feature.

 

Save these instructions. Refer to them 

frequently and use to instruct other users. If you 
loan someone this product, loan them these 
instructions also.

away from the muffler. Serious burns may occur 
if contact is made with the muffler.

 

Always hold the chain saw with both hands 

when the engine is running. Use a firm grip 

with thumbs and fingers encircling the chain 
saw handles.

 

Never let anyone use the chain saw who 

has not received adequate instructions in its 

proper use. This applies to rentals as well as 

privately owned saws.

GENERAL SAFETY RULES

SPECIFIC SAFETY RULES

Summary of Contents for RY10518

Page 1: ...les risques de blessures l utilisateur doit lire et veiller bien comprendre le manuel d utilisation avant d employer ce produit Merci d avoir achet un produit Ryobi Su motosierra ha sido dise ada y fa...

Page 2: ...de de pi ces et r paration Pedidos de piezas y servicio Page arri re P g posterior This product has many features for making its use more pleasant and enjoyable Safety performance and dependability ha...

Page 3: ...while you are operating the saw Cut at high engine speeds Always cut with the engine running at full speed Fully squeeze the throttle trigger and maintain a steady cutting speed Do not overreach or c...

Page 4: ...chain saw service other than the items listed in the instruction manual and all maintenance should be performed by competent chain saw service personnel For example if improper tools are used to remo...

Page 5: ...e make sure the saw chain is not contacting any object Wear snug fitting clothing Always wear heavy long pants boots and gloves Do not wear jewelry short pants sandals or go bare foot Do not wear loos...

Page 6: ...se Guard The SAFE T TIP nose guard on the guide bar helps prevent kickback No Smoking No smoking sparks or open flame Operate With Two Hands Hold and operate the saw properly with both hands One Hande...

Page 7: ...result in severe eye damage Before beginning power tool operation always wear safety goggles safety glasses with side shields or a full face shield when needed We recommend Wide Vision Safety Mask fo...

Page 8: ...nches the moving saw chain in the cut along the top of the guide bar Kickback Rotational The rapid upward and backward motion of the saw which can occur when the moving saw chain near the upper portio...

Page 9: ...h Engine displacement 46cc Engine power 2 5 HP min Idle engine speed 2 600 3 400 r min RPM Fuel tank capacity 19 4 oz Chain lubricant tank capacity 11 8 oz Weight No bar chain fuel or lubricant 10 lbs...

Page 10: ...ain should stop immediately The chain brake does not prevent kickback GUIDE BAR The factory equipped guide bar has a small radius tip that offers a somewhat lower kickback potential LOW KICKBACK SAW C...

Page 11: ...ytested It is normal to find some slight lubricant residue on the saw Read and remove all hang tags and store with the Operator s Manual UNPACKING This product has been shipped completely as sembled n...

Page 12: ...x unleaded gasoline and 2 cycle engine lubricant in a clean container approved for gasoline n This engine is certified to operate on unleaded gasoline intended for automotive use with an octane rating...

Page 13: ...engine to emit smoke during and after the first use Fig 2 ADDING BAR AND CHAIN LUBRICANT See Figure 3 Use RYOBI Bar and Chain Lubricant It is designed for chains and chain oilers and is formulated to...

Page 14: ...11 Starting the product differs depending on whether the engine is cold or warm WARNING Keep your body to the left of the chain line Never straddle the saw or chain or lean over past the chain line n...

Page 15: ...ill result in serious damage to the unit Never squeeze and hold the throttle trigger while the chain brake is in the brake position To Start a Warm Engine n Set the ignition switch to the RUN I positi...

Page 16: ...aired before using the chain saw again to prevent unsafe conditions or serious injury NOTE When you are finished using the saw always relieve tank pressure by loosening then retightening the chain oil...

Page 17: ...e saw WARNING KICKBACK occurs when the moving chain contacts an object 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 u...

Page 18: ...o the left of the chain line WARNING Never use a left handed cross handed grip or any stance that would place your body or arm across the chain line n Maintain a proper grip on the saw whenever the en...

Page 19: ...should be a least twice the height of the largest trees in the felling area During bucking operations keep a minimum distance of 15 feet between workers n Always cut with both feet on solid ground to...

Page 20: ...ring the backcut to assure the tree is going to fall in the desired direction n If the tree starts to fall in the wrong direction or if the saw gets caught or hung up during the fall leave the saw and...

Page 21: ...r the tree to either fall or settle back on the stump Then insert soft wooden or plastic wedges into the cut so they do not touch the chain Drive wedges in little by little to help jack the tree over...

Page 22: ...to Kickback in the Specific Safety Rules section of this manual for more information n During bucking operations stand on the uphill side so that the cut off section of the log cannot roll over you n...

Page 23: ...t deeper than 1 3 of the diameter of the log Give special attention to logs under stress to prevent the bar and chain from pinching OVERBUCKING See Figure 29 Begin on the top side of the log with the...

Page 24: ...h 1 3 through for your first cut Overbuck the branch to drop it Finish by cutting smoothly and neatly against the main member so the bark will grow back to seal the wound WARNING If the limbs to be pr...

Page 25: ...oleum based products penetrating oils etc come in contact with plastic parts Chemi cals can damage weaken or destroy plastic which may result in serious personal injury LUBRICATION Allofthebearingsint...

Page 26: ...d the outer guide bar plate n Remove the bar and chain from the mounting surface n Remove the old chain from the bar n Lay out the new saw chain in a loop and straighten any kinks The cutters should f...

Page 27: ...process until sag does not exist n Hold the tip of the guide bar up and tighten the bar mounting nuts securely The chain is correctly tensioned when there is no sag on the underside of the guide bar...

Page 28: ...slack on the underside of the guide bar the chain is snug and it can be turned by hand without binding n Retension the chain whenever the flats on the drive links hang out of the bar groove NOTE Duri...

Page 29: ...r depth gauge clearance Too low increases the potential for kick back Not low enough decreases cutting ability n If the cutter teeth hit hard objects such as nails and stones or are abraded by mud or...

Page 30: ...r round file and holder Do all of your filing at the midpoint of the bar n Keep the file level with the top plate of the tooth Do not let the file dip or rock n Using light but firm pressure Stroke to...

Page 31: ...CORRECT HOOK FLAT FILE DEPTH GAUGE JOINTER Fig 56 RESTORE ORIGINAL SHAPE BY ROUNDING THE FRONT Fig 57 Fig 55 RAKER DEPTH GAUGE CLEARANCE 025 in MAINTENANCE chain Results from using a file with a diame...

Page 32: ...heringorburringofthebarrailsisanormalpro cess of bar wear Such faults should be smoothed with a file as soon as they occur A bar with any of the following faults should be replaced n Wear inside the b...

Page 33: ...lding the cylinder cover n Activate chain brake n Lift the front of the cylinder cover past chain brake lever n Lift the back of the cylinder cover past handle n Before removing the air filter from th...

Page 34: ...buretor n Use a brush or compressed air to clean the starter cover vents n Clean the air filter Refer to Cleaning the Air Fil ter in the Maintenance section of this manual n Allow the engine to warm u...

Page 35: ...d tool the exhaust port and muffler may be blocked with carbon deposits These deposits may need to be removed to restore performance We highly recommend that only qualified service technicians perform...

Page 36: ...nal information n Check the chain catcher and replace if damaged WARNING Even with daily cleaning of the mechanism the dependability of a chain brake to perform under field conditions cannot be certif...

Page 37: ...ours AIR FILTER ASSY includes Filter Screen X X CARBURETOR ASSY includes Heat Dam Gaskets FUEL TANK ASSY includes Fuel Lines X Fuel Cap X Fuel Filter IGNITION ASSY includes Spark Plug X CALL US FIRST...

Page 38: ...ter for carburetor adjustment Engine starts then dies Carburetor requires L Low Jet adjustment Contact an authorized service center for carburetor adjustment Engine starts but will not run proper ly a...

Page 39: ...dripping from SAFE T TIP and guide bar If lubricant is present the chain may be dull or bar may be damaged If no lubricant is on the SAFE T TIP contact an authorized service center Engine starts and r...

Page 40: ...e warranty does not extendtorepairsmadenecessarybynormalwearorbythe use of parts or accessories which are either incompatible with the RYOBI brand outdoor product or adversely affect its operation per...

Page 41: ...will be interpreted as follows Any warranted part that is not scheduled for replacement as required in the Emissions Maintenance Schedule and Warranty Parts List set forth below is warranted for three...

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