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14

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5.  Immediately replace the fuel cap and tighten it. Wipe 

up any fuel spillage.

  Note:

 It is normal for the engine to emit smoke during 

and after the first use.

ADDING BAR AND CHAIN LUBRICANT

See Figure 6.

use  rYOBI,  or  a  quality  brand  of  bar  and  chain 

lubricant.

  It  is  designed  for  chains  and  chain  oilers, 

and  is  formulated  to  perform  over  a  wide  temperature 

range with no dilution required. the chainsaw should use 

approximately one tank of lubricant per tank of fuel.

Note:

 Do not use dirty, used, or otherwise contaminated 

lubricants. Damage may occur to the lubricant pump, bar, 

or chain.

n

  Carefully  pour  the  bar  and  chain  lubricant  into  the 

lubricant tank.

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  Fill the lubricant tank every time you fuel the engine.

OPERATING THE CHAIN BRAkE

See Figures 7 - 8.

Check the operating condition of the chain brake prior to 

each use.

1.  Engage  the  chain  brake  by  rotating  your  left  hand 

around  the  front  handle,  allowing  the  back  of  your 

hand to push the chain brake lever/hand guard toward 

the bar while the chain is rotating rapidly. Be sure to 

maintain both hands on the saw handles at all times.

2.  Reset the chain brake back into the RUN position by 

grasping the top of the chain brake lever/hand guard 

and  pulling  toward  the  front  handle  until  you  hear  a 

click.

 

Note:

 Operating the throttle when chain brake lever is 

in the brake position will result in serious damage to 

the unit. never squeeze and hold the throttle trigger 

while the chain brake is in the brake position.

WARNING

If  the  chain  brake  does  not  stop  the  chain 

immediately,  or  if  the  chain  brake  will  not  stay 

in  the  run  position  without  assistance,  take  the 

saw  to  an  authorised  service  centre  for  repair 

prior to use.

STARTING THE ENGINE

See Figures 8 - 13.

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 the 

chain line. 

petrol  or  lubricant  comes  in  contact  with  the  eyes, 

wash them immediately with clean water. If irritation is 

still present, see a doctor immediately.

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  Clean up spilled fuel immediately. refer to refueling 

in the specific safety rules section of this manual for 

additional safety information.

MIXING THE FUEL

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  this  product  is  powered  by  a  2-stroke  engine  and 

requires pre-mixing petrol and 2-stroke lubricant. pre-

mix unleaded petrol and 2-stroke engine lubricant in a 

clean container approved for petrol.

 

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  this engine is certified to operate on unleaded petrol 

intended for automotive use with an octane rating of 

91 or higher.

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  Do  not  use  any  type  of  pre-mixed  petrol/lubricant 

from  fuel  service  stations;  this  includes  the  pre-

mixed  petrol/lubricant  intended  for  use  in  mopeds, 

motorcycles, etc.

n

  use  a  high  quality  2-stroke  self-mixing  lubricant  for 

air-cooled engines. Do not use automotive lubricant 

or 2-stroke outboard lubricant.

n

 

mix 2% synthetic 2-stroke oil into the petrol. this is a 

50:1 ratio.

 

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  mix the fuel thoroughly and each time before fueling.

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  mix in small quantities. Do not mix quantities larger 

than usable in a 30-day period. a 2-stroke lubricant 

containing a fuel stabilizer is recommended.

               

1 litre 

20 ml  

2 litres 

40 ml  

3 litres 

60 ml  

=          50: 1

4 litres 

+  

80 ml  

5 litres 

100 ml  

Note:

  Do  not  use  ethanol  fuels  or  fuels  containing 

ethanol. the use of ethanol fuels may cause fuel system 

damage or performance problems. Damage as a result of 

using ethanol fuels may void your warranty.

FILLING THE FUEL TANk

See Figure 5.

1.  Clean  the  surface  around  the  fuel  cap  to  prevent 

contamination.

2.  Loosen the fuel cap slowly.

3.  Carefully  pour  the  fuel  mixture  into  the  tank.  Avoid 

spillage.

4.  Prior to replacing the fuel cap, clean and inspect the 

sealing gasket.

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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