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7

English (Original Instructions)

FUEL AND REFUELLING
Handling the fuel safely

 WARNING

Always turn off engine before refuelling. Never add fuel 

to a machine with a running or hot engine. Move at 

least 9 m (30 ft) from refuelling site before starting the 

engine. Do not smoke! Failure to heed this warning can 

result in possible personal injury.

 WARNING

Check for fuel leaks. If any are found, correct them 

before using the saw to prevent fire or burn injury.

 

Always handle fuel with care. It is highly flammable.

 

Always refuel outdoors where there are no sparks and 

flames. Do not inhale fuel vapour.

 

Do not let petrol or lubricant come in contact with your 

skin.

 

Keep petrol and lubricant away from the eyes. If petrol 

or lubricant comes in contact with the eyes, wash 

them immediately with clean water. If irritation is still 

present, see a doctor immediately.

 

Clean up spilled fuel immediately.

Mixing the fuel

 

This product is powered by a 2-stroke engine and 

requires pre-mixing petrol and 2-stroke lubricant. 

Premix unleaded petrol and 2-stroke engine lubricant 

in a clean container approved for petrol.

 

This engine is certified to operate on unleaded petrol 

intended for motor vehicle use with an octane rating of 

91 ([R + M]/2) or higher.

 

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

fuel service stations. This includes the premixed petrol/

lubricant intended for use in mopeds, motorcycles etc.

 

Use synthetic 2-stroke lubricant only.

 

Mix 2% lubricant into the petrol. This is a 50:1 ratio.

 

Mix the fuel thoroughly and also each time before 

refuelling.

 

Mix in small quantities. Do not mix quantities larger 

than usable in a 30-day period. A synthetic 2-stroke 

lubricant containing a fuel stabiliser is recommended.

Filling the tank

See figure 6.

Refer to “Safety Rules - Refuelling” earlier in this manual 

for additional safety information.
1.  Clean surface around fuel cap to prevent 

contamination.

2.  Loosen fuel cap slowly to release pressure and to 

keep fuel from escaping around the cap.

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

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

gasket.

5.  Immediately replace fuel cap and hand tighten. Wipe 

up any fuel spillage. Move 9 m (30 ft) away from 

refuelling site before starting engine.

NOTE:

 It is normal for smoke to be emitted from a new 

engine during and after first use.

CHAIN LUBRICANT SYSTEM

See figure 7.

Use Ryobi bar and chain lubricant. It is designed for 

chains and chain lubricating, and is formulated to perform 

over a wide temperature range with no dilution required. 

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.
1.  Carefully pour the bar and chain lubricant into the tank.

2.  Fill the lubricant tank every time you fuel the engine.

STARTING THE ENGINE

See figure 8.

 WARNING

Keep your body to the left of the chain line. Never 

straddle the saw or chain, or lean past over the chain 

line.

Summary of Contents for RCS5145N

Page 1: ...RCS5145N PETROL CHAINSAW Important It is essential that you read the instructions in this manual before assembling maintaining and operating this machine...

Page 2: ...g how your saw works Do not operate a chainsaw 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...

Page 3: ...trained to do so Beware of the emission of exhaust gases lubricant mist and saw dust This product is very noisy when operating to prevent long term hearing damage wear hearing protection and keep othe...

Page 4: ...aw chain 7 Use only replacement bars and chains specified by the manufacturer or the equivalent NOTE Refer to Operation in this manual for information on kick back and how to avoid serious personal in...

Page 5: ...hain brake ON Squeeze and release throttle Mix the fuel mix thoroughly and also each time before refueling Add bar and chain oil to the bar and chain reservoir every time that fuel is added to the cha...

Page 6: ...Chain type 0 325 low profile full complement Drive sprocket 7 teeth x 0 325 Engine displacement 51 cm3 Maximum engine power ISO 7293 2 0 kW Recommended maximum engine speed with cutting attachment 11...

Page 7: ...n of the tip of the guide bar or when the wood closes in and pinches the saw chain in the cut Contact at the upper portion of the tip of the guide bar may cause the chain to dig into the object and st...

Page 8: ...synthetic 2 stroke lubricant only Mix 2 lubricant into the petrol This is a 50 1 ratio Mix the fuel thoroughly and also each time before refuelling Mix in small quantities Do not mix quantities large...

Page 9: ...NG A WARM ENGINE Follow the instructions for starting a cold engine steps 1 8 but do not attempt to start in the full choke position skip step 5 Push and release primer bulb 10 times Pull the choke ou...

Page 10: ...cut for you exert only light downward pressure Forcing the cut could result in damage to the bar chain or engine 6 Release the throttle trigger as soon as the cut is completed allowing the engine to...

Page 11: ...ng the right hand side from operator s position of the chain brake lever hand guard and pull towards the front handle until you hear a click FELLING TREES HAZARDOUS CONDITIONS See figure 27 WARNING Do...

Page 12: ...t is a large root extending from the trunk of the tree above the ground Remove large buttress roots prior to felling Make the horizontal cut A into the buttress first followed by the vertical cut B Re...

Page 13: ...DANGER Never start the engine before installing the guide bar chain drivecase cover and clutch drum Without all these parts in place the clutch can fly off or explode exposing the user to possible se...

Page 14: ...ntly and tension as required CAUTION A chain tensioned while warm may be too tight upon cooling Check the Adjusting the chain tension before next use CHAIN MAINTENANCE See figure 51 52 WARNING Check t...

Page 15: ...iled check the depth gauge clearance Use a flat file B not provided and a depth gauge jointer C not provided to lower all gauges uniformly Use a 0 6 mm 0 025 inch depth gauge jointer After lowering ea...

Page 16: ...THE ENGINE See figure 66 67 Clean the engine fins and flywheel fins with compressed air or a brush periodically Dangerous overheating of the engine may occur due to impurities on the engine WARNING Ne...

Page 17: ...stale and leave varnish and gum in the fuel system 3 Drain all bar and chain lubricant from tank into a container approved for lubricant 4 Clean all foreign material from the saw 5 Store it in a well...

Page 18: ...ettor adjustment Engine starts but will not run properly at high speed Carburettor requires H High jet adjustment Contact a service dealer for carburettor adjustment Engine does not reach full speed a...

Page 19: ...s on the guide bar contact a service dealer Bar and chain running hot and smoking Chain brake engaged Release chain brake refer to Operation operating chain brake earlier in this manual Chain tension...

Page 20: ...tronic Industries Australia Pty Ltd Level 1 660 Doncaster Road Doncaster VIC 3108 Australia Techtronic Industries New Zealand Ltd 18 26 Amelia Earhart Avenue Mangere Auckland 2022 New Zealand 96043901...

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