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RCS4235B Type III/RCS4240B Type III
CHAINSAW
ORIGINAL INSTRUCTIONS
Important!
It is essential that you read the instructions in this manual before
assembling, maintaining and operating this machine.

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Summary of Contents for Ryobi RCS4235B Type III

  • Page 1 RCS4235B Type III/RCS4240B Type III CHAINSAW ORIGINAL INSTRUCTIONS Important! It is essential that you read the instructions in this manual before assembling, maintaining and operating this machine.
  • Page 2: General Safety Rules

    Be sure that the saw chain stops moving when the Your chainsaw has been engineered and manufactured to throttle control trigger is released. Ryobi’s high standard for dependability, ease of operation, and operator safety. Properly cared for, it will give you GENERAL PRECAUTIONS years of rugged, trouble-free performance.
  • Page 3: Maintenance Precautions

    You must never modify or remove parts from this product or use parts not ■ Use extreme caution when cutting small-size brush recommended by Ryobi. This will increase the risk of and saplings because slender material may catch the injury.
  • Page 4 ■ With a basic understanding of kick-back, you can use this product. Call Ryobi customer service for reduce or eliminate the element of surprise. Sudden assistance.
  • Page 5 English (Original Instructions) DESCRIPTIONS 25. Idle speed screw “T” Figure 16 Figure 1a – General overview of the chainsaw 26. Pull 1. Starter grip 27. Push 2. Trigger release 3. Throttle trigger Figure 17 4. Starter housing 23. Kickback danger zone 5.
  • Page 6 English (Original Instructions) 47. Log supported at one end Figure 46 48. Finishing cut 67. Raker (depth gauge) clearance 49. Load 50. 1st cut 1/3 diameter Figure 47 51. Log supported at both ends 68. Inspect drive sprocket Figure 31 Figure 48 52.
  • Page 7 English (Original Instructions) Figure 62 Figure 65 92. Chain brake 97. Fuel filter 5. Chain lubricant cap 16. Fuel cap Figure 67 93. Post 98. Deflector 94. Starter cover 99. Deflector retaining nut 104. T25 Torx Screwdriver 100. Spark arrestor 103.
  • Page 8 English (Original Instructions) Keep all bystanders and animals at least 15m away. Add bar and chain oil every time you add fuel to the chainsaw. Guaranteed sound power level is 114 dB. Conforms to all regulatory standards in the country in the EU where the product is purchased. Conforms to all regulatory standards in Russia where the product is purchased.
  • Page 9 English (Original Instructions) Depress the trigger release. Release the brake lever to the RUN position. Beware of chain saw kickback and avoid contact with bar tip. Risk of fire/flammable materials Bar and chain lubricant Rotate to adjust chain tension + = Tighten/ - = Loosen the chain Moving direction of the chain H/L: High/Low speed adjustment needle, T: Idle adjustment screw Rotation direction to tighten the guide bar...
  • Page 10: Glossary Of Terms

    English (Original Instructions) GLOSSARY OF TERMS A solid railed structure that supports and guides the saw chain. Skating Kickback When the chain saw fails to dig in during a cut, the guide The backward or upward motion, or both, of the guide bar bar can begin hopping or dangerously skidding along the occurring when the saw chain near the nose of the top surface of the log or branch, possibly resulting in the loss of...
  • Page 11: Specifications

    English (Original Instructions) SPECIFICATIONS RCS4235B Type III RCS4240B Type III Model name 42cc 35cm (14'') CE saw 42cc 40cm (16'') CE saw Description 4.7 kg 4.7 kg Weight - No bar, chain, fuel 340 cm 3 340 cm 3 Fuel tank capacity...
  • Page 12 English (Original Instructions) SPECIFICATIONS Guide bar & chain (Note: Carlton guide bar only use with Carlton saw chain, and Oregon guide bar only use with Oregon saw chain) Model name RCS4235B Type III RCS4240B Type III Guide bar (no silkscreen) 14-10W-N1-MHC 16-10W-N156-MHC...
  • Page 13: Adjusting The Chain Tension

    If any parts are damaged or missing, please call your the guide bar, the chain is snug, but it can be turned Ryobi service centre for assistance. by hand without binding. Ensure that the chain brake is not set.
  • Page 14: Operation

    English (Original Instructions) OPERATION Bumper Spike - The integral bumper spike (see figure 1) may be used as a pivot when making a cut. WARNING: CHOKE LEVER Do not allow familiarity with this product to make The choke lever opens and closes the choke valve in the you careless.
  • Page 15 Specific Safety Rules section of this manual for additional safety information. See Figure 6. Use RYOBI Bar and Chain Lubricant. It is designed for chains and chain oilers, and is formulated to perform over MIXING THE FUEL a wide temperature range with no dilution required. The n This product is powered by a 2-cycle engine and requires pre-mixing petrol and 2-cycle lubricant.
  • Page 16 English (Original Instructions) choke lever is pulled all the way out to the START pull the choke lever out to the fully extended position (Full Choke) and engage the chain brake to stop the position, the throttle is set for starting. To reset the throttle to the RUN position, squeeze and then release the engine.
  • Page 17 English (Original Instructions) BASIC OPERATING/CUTTING PROCEDURES n Hold the saw firmly with both hands. Always keep your left hand on the front handle and your right hand It is strongly suggested that you seek professional on the rear handle so that your body is to the left of training in the safety and use of this tool.
  • Page 18 English (Original Instructions) limbs. These things influence the direction in which more information. the tree will fall. Do not try to fell a tree along a line n During bucking operations, stand on the uphill side so different from its natural line of fall. that the cut-off section of the log cannot roll over you.
  • Page 19: General Maintenance

    WARNING: n Wear gloves when handling the chain and bar. These When servicing, use only identical Ryobi components are sharp and may contain burrs. replacement parts. Use of any other parts may n Press in on the clutch cover lock knob and rotate create a hazard or cause product damage.
  • Page 20 English (Original Instructions) instructions that follow, have the saw chain sharpened n Replace the clutch cover and rotate clutch cover lock knob just enough to hold the cover in position. by an authorised service centre or replace with a NOTE: The bar must be free to move for tension recommended low-kickback chain.
  • Page 21: Maintaining The Guide Bar

    English (Original Instructions) n HOOK – “Grabs” and dulls quickly; increases the n Lift the front of the Engine cover past chain brake potential of KICKBACK. Results from using a file with lever. a diameter too small or a file held too low. n Lift the back of the Engine cover past the handle.
  • Page 22 NOTE: Check to ensure that the air filter is in the retaining nut to obtain a replacement spark arrestor, proper position before reinstalling the Engine cover. contact your Ryobi service centre. NOTE: If you notice a power loss with the petrol powered INSPECTING AND CLEANING THE CHAIN BRAKE tool, the exhaust port and Silencer may be blocked See Figure 68.
  • Page 23: Storing The Product

    English (Original Instructions) one working area to the next), always apply the brake Air filter ......Every 5 hours* so that the product is blocked (preferably switch off Chain brake .
  • Page 24: Troubleshooting

    English (Original Instructions) TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION Engine will not start. No spark. Clean or replace spark plug. Reset spark plug gap. Refer to Spark Plug Replacement earlier in this manual. [Make sure ignition switch is Engine is flooded. With the ignition switch OFF, remove spark plug.
  • Page 25 English (Original Instructions) TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION Bar and chain running hot and Chain lubricant tank empty. Lubricant tank should be filled every time fuel smoking. tank is filled. Chain tension is too tight. Tension chain per instructions in Adjusting the Chain Tension in the Maintenance section of this manual.
  • Page 26 4. For servicing, the product must be sent or presented to an RYOBI authorized service station listed for each country in the following list of service station addresses. In some countries your local RYOBI dealer under- takes to send the product to the RYOBI service organisation.
  • Page 27 Phone: 00353 21 4500051 Falkirk Bryn Y Groes Farm Ystradgynlais West Glamorgan Fax: 003532214508203 Phone: 01324 486218 SA9 1LF Email: info@disc.ie Fax: 01324 666184 Phone: 01639 845184 Email: info@murraypowertools.com Email: becca@cme-direct.co.uk For an updated list of authorised service centres, visit http://uk.ryobitools.eu/service-agents-ryobi.htm.
  • Page 28: Ec Declaration Of Conformity

    Herewith we declare that the product Category ........................Chain saw (for cutting wood) Model ...................... RCS4235B Type III/RCS4240B Type III Serial number............RCS4235B Type III (17121501000001 - 17121501999999) ................../ RCS4240B Type III (17121601000001-17121601999999) Year of Construction ......................See product rating label •...
  • Page 32 960488023-01...

This manual is also suitable for:

Rcs4240b type iii

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