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8

English

SyMBOLS

the following signal words and meanings are intended to explain the levels of risk associated with this product.

 

SyMBOL 

SIGNAL 

MEANING 

Indicates an imminently hazardous situation, which, if not avoided, will result 

in death or serious injury.   

Indicates a potentially hazardous situation, which, if not avoided, could result 

in death or serious injury. 

Indicates a potentially hazardous situation, which, if not avoided, may result 

in minor or moderate injury.

(Without safety alert symbol) Indicates a situation that may result in property 

damage.

DANGER

WARNING 

CAUTION 

CAUTION 

SERVICE

servicing  requires  extreme  care  and  knowledge 

and  should  be  performed  only  by  a  qualified  service 

technician. For service we suggest you return the product 

to  your  nearest 

AUTHORISED  SERVICE  CENTER

  for 

repair.  When  servicing,  use  only  identical  replacement 

parts.

WARNING

to avoid serious personal injury, do not attempt

to use this product until you read thoroughly and 

understand  completely  the  operator’s  manual. 

If  you  do  not  understand  the  warnings  and 

instructions in the operator’s manual, do not use 

this  product.  Call  ryobi  customer  service  for 

assistance.

WARNING

the  operation  of  any  power  tool  can  result  in 

foreign  objects  being  thrown  into  your  eyes, 

which  can  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  for  use 

over eyeglasses or standard safety glasses with 

side shields.

 always use eye protection which is 

marked to comply with Bs en166 or australian 

and new Zealand standards.

WARNING

long  term  inhalation  of  the  engine's  exhaust 

fumes, chain oil mist and sawdust can result in 

serious personal injury.

SAVE  THESE  INSTRUCTIONS  AND  PASS 

THEM  ON  IF  THE  SAW  IS  TO  BE  USED  By 

ANOTHER PERSON

GLOSSARy OF TERMS

Bucking

the  process  of  cross  cutting  a  felled  tree  or  log  into 

lengths.

Bouncing

never  cut  small,  flexible  branches  or  brush  with  your 

chain saw. their size and flexibility can easily cause the 

saw to bounce toward you or bind up with enough force 

to cause a kickback. the best tools for that kind of work 

are a hand saw, pruning shears, an axe and other hand 

tools.

Chain Brake

a device used to stop the saw chain.

Chain Saw Powerhead

a chain saw without the saw chain and guide bar.

Clutch

a mechanism for connecting and disconnecting a driven 

member to and from a rotating source of power.

Drive Sprocket or Sprocket

the toothed part that drives the saw chain.

Felling

the process of cutting down a tree.

Summary of Contents for RCS4040B

Page 1: ...CHAINSAW Operator s manual Important It is essential that you read the instructions in this manual before assembling maintaining and operating this machine RCS4246B RCS4040B...

Page 2: ......

Page 3: ......

Page 4: ...over lock knob 101 Bumper spike bar Figure 1b General overview of the chainsaw 13 Primer bulb 14 Ignition switch 15 Choke lever 16 Fuel cap Figure 2 Saw chain 17 Flats on drive links Figure 7 Chainsaw...

Page 5: ...ters 59 Chain rotation Figure 40 60 Bar groove Figure 41 61 Adjusting pin 62 Chain tensioning pin hole 63 Sprocket 10 Clutch cover Figure 42 64 Rotate clutch cover knob clockwise to secure 12 Clutch c...

Page 6: ...n Flying material cut from the work piece n Inhalation of saw dust and particles or emissions from the petrol engine n Skin contact with petrol oil n Loss of hearing if no hearing protective equipmen...

Page 7: ...e appropriate guide bar scabbard n Shut off the engine before setting the chainsaw down Do not leave the engine running unattended As an additional safety precaution apply the chain brake prior to set...

Page 8: ...or has been modified particularly guards or safety devices or is not completely and securely assembled Be sure that the saw chain stops moving when the throttle control trigger is released If the saw...

Page 9: ...de Engines produce carbon monoxide which is an odorless deadly poison Do not operate in an enclosed area Kickback Danger Beware of kickback Bar Nose Contact Avoid bar nose contact Wear Gloves Wear non...

Page 10: ...power tool can result in foreign objects being thrown into your eyes which can result in severe eye damage Before beginning power tool operation always wear safety goggles safety glasses with side sh...

Page 11: ...ickback Chain A chain that complies with the kickback performance requirements of ISO 9518 when tested on a representative sample of chain saws Normal Cutting Position The positions assumed in perform...

Page 12: ...ith attachment 11 000 r min 11 000 r min Maximum engine speed with attachment reference only 12 500 r min 12 500 r min Idling engine speed 2 600 3 600 r min 2 600 3 600 r min Specific fuel consumption...

Page 13: ...Part number Color 18 10W N1 MHC UNB 308947001 Black 16 10W N156 MHC UNB 308946001 Black Chain Carlton part number Part number N1C BL 62E B 901213003 N1C BL 56E B 901213002 Guide bar no silkscreen Ore...

Page 14: ...rotective gloves when performing maintenance on the chain 1 Stop the engine before setting the chain tension 2 Slightly loosen the clutch cover lock knob by pressing in and rotating counterclockwise F...

Page 15: ...roduct and in this operator s manual as well as knowledge of the project you are attempting Before use of this product familiarise yourself with all operating features and safety rules Bumper Spike Th...

Page 16: ...duct 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 the chain line petrol or lubricant comes...

Page 17: ...safety set the chain brake when the saw is not in use In the event that the ignition switch will not stop the saw pull the choke lever out to the fully extended position Full Choke and engage the chai...

Page 18: ...owing technique to get the feel of using the saw before you begin a major sawing operation 1 Take the proper stance in front of the wood with the saw idling 2 Accelerate the engine to full throttle ju...

Page 19: ...ar cutting area Make sure that no objects can contact the guide bar nose and chain during cutting this can cause Kickback Refer to Kickback in the Specific Safety Rules section of this manual for more...

Page 20: ...ll of the bearings in this product are lubricated with a sufficient amount of high grade lubricant for the life of the unit under normal operating conditions Therefore no further lubrication is requir...

Page 21: ...n If signs of wear or damage are present in the areas indicated have the drive sprocket replaced by an authorised service centre Note If you do not fully understand the correct procedure for sharpenin...

Page 22: ...ft the front of the engine cover past chain brake lever 4 Lift the back of the engine cover past the handle 5 Before removing the air filter from the carburettor blow or brush as much loose dirt and s...

Page 23: ...placement and replace every 50 hours or more frequently if necessary 1 Remove the spark plug lead by carefully rotating back and forth whilst gently pulling upwards 2 Loosen the spark plug by turning...

Page 24: ...bulb several times to purge fuel from carburettor 4 Drain all bar and chain lubricant from tank into a container approved for lubricant Always place the scabbard over the guide bar and chain before tr...

Page 25: ...ine starts but will not run Carburettor requires H Contact an authorised service centre for properly at high speed High jet adjustment carburettor adjustment Engine does not reach full speed Lubricant...

Page 26: ...or bar may be damaged If no lubricant is present contact an authorised service centre Engine starts and runs but Chain brake is engaged Release chain brake Refer to Operating the chain is not rotatin...

Page 27: ...the dealer has no authority from the Company s behalf except as herein contained or herein referred to Guarantee Conditions This guarantee only applies provided that the product has been used in acco...

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