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15

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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 7 - 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. 

1.  Place the chainsaw on level ground and ensure that 

no objects or obstructions are in the immediate vicinity 
that could come in contact with the bar and chain. 

 

Note:

 The saw chain will rotate during starting.

2. 

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your right foot onto the base of the rear handle. Do not 
drop start the chainsaw as injury may result.

To start a cold engine:

1.  Turn the ignition switch to the "on" position.
2.  Make sure the chain brake is in the brake position by 

pushing the lever/hand guard forward.

3.  Fully press and release the primer bulb at least 10 

times.

4.  Pull the choke lever all the way out to the "start" 

position.

5.  When the temperature is above 10°C, pull the starter 

grip until the engine attempts to start, but no more that 
3 times. When the temperature is below 10°C, pull the 
starter grip until the engine attempts to start, but no 
more than 5 times.

6.  Push choke lever to the "run" position. Pull the starter 

grip until engine runs, but no more than 5 times. If the 
engine does not start, repeat from step 3.

7.  Depress the trigger release. Squeeze and release 

the throttle trigger to let the engine idle. Before 
accelerating the engine or cutting wood, make sure 
the chain brake is in the "run" position by pulling back 
on the brake lever/hand guard.

To start a warm engine:

1.  Turn the ignition switch to the "on" position.
2.  Make sure the chain brake is in the brake position by 

pushing the lever/hand guard forward.

3.  Pull the choke lever all the way out to the "start" 

position and then push it back in the "run" position.

4.  Pull the starter grip until the engine runs, but no more 

that 5 times. If engine does not start after 5 pulls, use 
the cold engine starting procedure.

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.

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.

„

  Carefully pour the bar and chain lubricant into the 

lubricant tank.

„

  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 

Содержание RCS4240NB

Страница 1: ...CHAINSAW OPERATOR S MANUAL Important It is essential that you read the instructions in this manual before assembling maintaining and operating the product RCS4240NB...

Страница 2: ...igger release 3 Throttle trigger 4 Starter housing 5 Chain lubricant cap 6 Rear handle 7 Engine cover 8 Front handle 9 Front hand guard chain brake 10 Clutch cover 11 Chain tensioning screw 12 Bar mou...

Страница 3: ...0 Clutch cover Figure 38 53 Chain drive links 54 Cutters 55 Chain rotation Figure 39 56 Bar groove Figure 40 10 Clutch cover 57 Adjusting pin 58 Chain tensioning pin hole 59 Sprocket Figure 41 11 Chai...

Страница 4: ...your left hand on the front handle with your thumbs and fingers encircling the chainsaw handles A firm grip together with a stiff left arm will help you maintain control of the saw if kickback occurs...

Страница 5: ...jury Do not cut vines and or small underbrush at a diameter of less than 75 mm 3 in Muffler surfaces are very hot during and immediately after operation of the chainsaw keep all body parts away from t...

Страница 6: ...rnings shouts or alarms The operator must pay extra attention to what is going on in the work area KICKBACK Kickback is a dangerous reaction that can lead to serious injury Do not rely only on the saf...

Страница 7: ...erate the saw using only one hand Wear non slip heavy duty protective gloves when handling the chainsaw Always wear safety boots with non slip soles Add bar and chain oil every time you add fuel to th...

Страница 8: ...XOOV Place the choke lever in the RUN position 3XOO WKH VWDUWHU KDQGOH XQWLO WKH HQJLQH VWDUWV QR PRUH WKDQ YH SXOOV Press release of the trigger Squeeze and release the throttle trigger Set the chain...

Страница 9: ...ation 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 sh...

Страница 10: ...ickback reaction by preventing the cutters from digging in too deeply at the kickback zone As saw chains are sharpened they lose some the low kickback qualities and extra caution is required For your...

Страница 11: ...auge 1 27 mm 0 05 inch Chain type ORZ SUR OH IXOO FRPSOHPHQW Drive sprocket 6 teeth x 3 8 Engine displacement 42 cm3 Maximum engine power ISO 7293 1 7 kW Maximum engine speed with cutting attachment r...

Страница 12: ...r M1501656 1041 310443001 Black 160SDEA041 311024001 Black Chain Trilink part number Part number Oregon part number Part number CL15056PB 682006002 91P056PTT 901213012 Other Features Catalyst No Metal...

Страница 13: ...bar mounting nuts are loosened to QJHU WLJKW LJXUH 3 Turn the chain tensioning screw clockwise counter clockwise to increase reduce chain tension Check the chain tension frequently Figure 43 4 Hold th...

Страница 14: ...rom refuelling site before starting the engine DO NOT SMOKE Failure to heed this warning could result in serious personal injury FUELING AND REFUELING HANDLING THE FUEL SAFELY WARNING Check for fuel l...

Страница 15: ...n position 4 Pull the starter grip until the engine runs but no more that 5 times If engine does not start after 5 pulls use the cold engine starting procedure Note Do not use Ethanol fuels or fuels c...

Страница 16: ...otection Hold the saw firmly with both hands Always keep your left hand on the front handle and your right hand on the rear handle so that your body is to the left of the chain line WARNING Never use...

Страница 17: ...a notch about 1 3 the diameter of the trunk in the side of the tree Make the notch cuts so they intersect at a right angle to the line of fall This notch should be cleaned out to leave a straight lin...

Страница 18: ...runing trees it is important not to make the flush cut next to the main limb or trunk until you have cut off the limb further out to reduce the weight This prevents stripping the bark from the main me...

Страница 19: ...slack from the chain by rotating the chain tensioning screw clockwise until the chain seats snugly against the bar with the drive links in the bar groove 12 Lift the tip of the guide bar up to check f...

Страница 20: ...er housing Reinstall screws and secure 12 Replace the chain lubricant and fuel caps 13 Replace the engine cover Reinstall screws and secure 14 Replace the chain brake on the post Note Check to ensure...

Страница 21: ...ated place that is inaccessible to children Keep away from corrosive agents such as garden chemicals and de icing salts Observe local regulations for the safe storage and handling of petrol When stori...

Страница 22: ...act an authorised service centre for adjustment carburettor adjustment Engine starts but will not run Carburettor requires H Contact an authorised service centre for properly at high speed High jet ad...

Страница 23: ...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...

Страница 24: ...960994057 01 Techtronic Industries Australia Pty Ltd 31 Gilby Road Mt Waverley VIC 3149 Australia Techtronic Industries New Zealand Ltd 2 Landing Drive Mangere Auckland New Zealand 2022...

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