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Kickback is a dangerous reaction that can lead to serious 
injury. Kickback may occur when the moving chain con-
tacts an object at the upper portion of the tip of the guide 
bar or when the wood closes in and pinches the 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 and 
stop the chain for an instant. The result is a lightning-fast, 
reverse reaction which kicks the guide bar up and back 
toward the operator. If the chain is pinched along the top 
of the guide bar, the guide bar can be driven rapidly back 
toward the operator, which can cause loss of control and 
may result in serious injury. Do not rely exclusively upon 
the safety devices built into the product. 

  With a basic understanding of kickback, you can reduce 

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

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,  fence,  or  any  other  obstruction 
while you are operating the unit.

Cut only when visibility and light are adequate for you to 
see clearly.

Do not use on a ladder or unstable support. Always cut 
with both feet on solid ground to prevent being pulled off 
balance.

To protect yourself from electrocution, do not operate 
within 50 feet of overhead electrical lines.

Before starting the engine, make sure the chain is not 
contacting any object.

Always cut with the engine running at full speed. Fully 
squeeze the throttle trigger and maintain a steady cutting 
speed.

Do not force tool. Use the correct tool for your applica-
tion. The correct tool will do the job better and safer at 
the rate for which it is designed.

To protect yourself from falling branches, do not stand di-
rectly under the branch or limb being cut. This unit should 
not be held at an angle over 60° from ground level.

Keep the handles dry, clean, and free of oil or fuel mix-
ture.

Shut off the engine and make sure the cutting attachment 
has stopped before setting the unit down.

To prevent electrical shock or serious personal injury, do 
not use this product with any AC power head.

Follow the sharpening and maintenance instructions for 
the saw chain.

Use only the replacement guide bars and low kickback 
chains specified for the unit.

REFUELING

n

 

FUEL IS HIGHLY FLAMMABLE. 

Take precautions when 

using to reduce the chance of serious personal injury.

Store fuel in a cool, well-ventilated area, safely away from 
spark and/or flame-producing equipment 

Store  fuel  in  containers  specifically  designed  for  this 
purpose.

Only refuel outdoors and do not smoke while refueling.

Add fuel before starting the engine. Never remove the cap 
of the fuel tank or add fuel while the engine is running or 
when the engine is hot.

If fuel is spilled, do not attempt to start the engine but 
move the machine away from the area of spillage and 
avoid  creating  any  source  of  ignition  until  fuel  vapors 
have dissipated.

Replace all fuel tank and container caps securely.

If the fuel tank has to be drained, do this outdoors.

SPECIFIC SAFETY RULES

Summary of Contents for RY52004

Page 1: ...ured to Ryobi s high standard for dependability ease of operation and operator safety When properly cared for it will give you years of rugged trouble free performance WARNING To reduce the risk of in...

Page 2: ...n Maintenance 13 18 n Troubleshooting 19 n Warranty 20 21 n Parts Ordering Service 22 TABLE OF CONTENTS INTRODUCTION This product has many features for making its use more pleasant and enjoyable Safe...

Page 3: ...plug wire before making any adjustments or repairs except for carburetor adjustments n Inspect the unit before each use for loose fasteners fuel leaks etc Replace any damaged parts before use n The c...

Page 4: ...cut with the engine running at full speed Fully squeeze the throttle trigger and maintain a steady cutting speed n Do not force tool Use the correct tool for your applica tion The correct tool will d...

Page 5: ...Operator s Manual To reduce the risk of injury user must read and understand operator s manual before using this product Eye Hearing and Head Protection Wear eye hearing and head protection when opera...

Page 6: ...ntially hazardous situation which if not avoided may result in minor or moderate injury CAUTION Without Safety Alert Symbol Indicates a situation that may result in property damage WARNING To avoid se...

Page 7: ...ULB The priming bulb pumps fuel from the fuel tank to the car buretor This is necessary only when starting a cold engine or after refueling an engine that has run out of fuel SHOULDER STRAP The should...

Page 8: ...d the packing material until you have care fully inspected and satisfactorily operated the tool n If any parts are damaged or missing please call 1 800 860 4050 for assistance PACKING LIST Power Head...

Page 9: ...ely in the positioning hole the shaft is not locked into place Slightly rotate from side to side until the button is locked into place n Tighten the knob securely CHAIN OILER Add bar and chain oil in...

Page 10: ...t firmly with both hands Always keep your left hand on the front handle and your right hand on the rear handle so your body is to the left of the chain line Never use a left handed cross handed grip o...

Page 11: ...branch will fall n Branches may fall in unexpected directions Do not stand directly under the branch being cut n The most typical cutting application is to position the unit at an angle of 60 or less...

Page 12: ...ne starts and runs n Lay the trimmer on a flat bare surface n PRIME Press the primer bulb 7 times n SET the start lever to the START position n PULL the rope until the engine starts n Allow the engine...

Page 13: ...y the parts shown on the parts list are intended to be repaired or replaced by the customer All other parts should be replaced at a Ryobi Authorized Service Center CHAIN TENSION See Figures 13 14 WARN...

Page 14: ...ion adjustment CHAIN TENSIONING SCREW Fig 19 BAR NUT Fig 20 n Remove all slack from chain by turning the chain tension ing screw clockwise assuring that the chain seats into the bar groove during tens...

Page 15: ...justment and discontinue use until the repair is made Serious personal injury may result from the saw chain turning at idle MAINTENANCE CHAIN OILER See Figure 22 n Use Premium Bar and Chain Oil It is...

Page 16: ...d have service dealer sharpen chain CUTTING CORNER SIDE PLATE DEPTH GAUGE TOE GULLET HEEL RIVET HOLE TOP PLATE PARTS OF A CUTTER Fig 24 DEPTH GAUGE SETTING Fig 23 HOW TO SHARPEN THE CUTTERS See Figure...

Page 17: ...RRESTOR Thesparkarrestormustbecleanedorreplacedevery25hours or yearly to ensure proper performance of your product For the location of the spark arrestor and specific cleaning in structions contact yo...

Page 18: ...oline Run engine until it stops n Clean all foreign material from the trimmer Store it in a well ventilated place that is inaccessible to children Keep away from corrosive agents such as garden chemic...

Page 19: ...warm up If engine does not accelerate after three minutes contact a servicing dealer Engine starts but will only run at high speed at half choke Carburetor requires adjustment Contact a servicing deal...

Page 20: ...to any Ryobi Technologies Inc product that has been altered or modified The warranty does not extend to repairs made necessary by normal wear or by the use of parts or accessories which are either INC...

Page 21: ...t to exceed 30 days If you have any questions regarding your warranty rights and responsibilities you should contact a Ryobi Technologies Inc Customer Representative at 1 800 860 4050 COVERAGE Ryobi T...

Page 22: ...Plug X ALL EMISSIONS RELATED PARTS ARE WARRANTED FOR TWO YEARS OR FOR THE PERIOD OF TIME PRIOR TO THE PARTS FIRST SCHEDULED REPLACEMENT WHICHEVER COMES FIRST THIS PRODUCT WAS MANUFACTURED WITH A CATA...

Page 23: ...23 NOTES...

Page 24: ...or repair parts or service simply contact your nearest Ryobi Authorized Service Center Be sure to provide all pertinent facts when you call or visit Please call 1 800 860 4050 for your nearest Ryobi A...

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