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19

UK

                PROBLEM POSSIBLE CAUSE

SOLUTION

Engine starts, runs,
and accelerates but
will not idle.

Engine starts and runs,
but chain is not rotating.

Bar and chain running hot
and smoking.

Carburettor requires adjustment.

1. Chain oil tank empty.

2. Check chain tension for overtight

condition.

3. Check for oiler function.

1. Chain brake engaged.

2. Chain tension too tight.

3. Check guide bar and chain

assembly.

4. Check guide bar and chain

for damage.

Turn idling speed screw “

T

” clockwise to increase idling

speed. If chain turns at idle, turn idling speed screw “

T

anticlockwise to decrease speed. Wear protective
equipment and observe all safety instructions. 

See

Figure 24.

1. Oil tank should be filled every time fuel tank

is filled.

2. Tension chain per instructions in “Maintenance –

Adjusting the Chain Tension” earlier in this manual.

3. Run at half throttle 30 to 45 seconds. Stop saw and

check for oil dripping from SAFE-T-TIP® and guide bar.
If oil is present the chain may be dull or bar may be
damaged. If no oil is on the SAFE-T-TIP®, contact
a Ryobi service dealer.

1. Release chain brake, refer to “Operation – Operating

Chain Brake” earlier in this manual.

2. Tension chain per instructions in “Maintenance –

Adjusting the Chain Tension” earlier in this manual.

3. Refer to “Maintenance – Assembling the Bar and

Chain” earlier in this manual.

4. Inspect guide bar and chain for damage.

NOTE:

 The carburettor adjustment needle(s) are equipped with plastic cap(s) which prevent anticlockwise rotation from the original

factory adjustment. If your product exhibits specific performance problem(s) where the Troubleshooting Section recommends an
anticlockwise needle adjustment and you have made no adjustments since the original purchase, take the product to a factory authorised
service dealer for repair. In most cases, the needed adjustment is a simple task for the factory trained service representative.

TROUBLESHOOTING

WARRANTY

GUARANTEE – STATEMENT

(RTSA / RTUK / RTG)

All Ryobi products are guaranteed from defects in material and workmanship, for a period of twenty-four (24) months, effective
and evidenced from date of original invoice or delivery note.

Defects caused by normal wear and tear, unauthorised/improper maintenance/handling or overload are excluded from this
guarantee as are accessories such as battery packs, bulbs, blades and bits,etc.

In the event of malfunction within the guarantee period, please return the assembled product with proof of purchase
to your dealer or nearest Ryobi Service Centre.

Your statutory rights in respect of defective products remain unaffected by the warranty.

Ryobi Technologies  GmbH

, Itterpark 7, D-40724 Hilden, Germany

Ryobi Technologies

, Customer Services, Anvil House, Tuns Lane, Henley-on-Thames, RG9 1SA, UK

Ryobi Technologies

, BP 50012 - 95945 Roissy CDG Cedex – FRANCE

Ryobi Technologies Australia PTY Limited

, 359-361 Horsley Road, Milperra, NSW 2214 Australia

Summary of Contents for PCN3840

Page 1: ...ured to Ryobi s high standard for dependability ease of operation and operator safety Properly cared for it will give you years of rugged trouble free performance WARNING To reduce the risk of injury...

Page 2: ...e and knowledge and should be performed only by a qualified service technician When servicing use only identical Ryobi replacement parts For safe operation read and understand all instructions before...

Page 3: ...handle and 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 kick...

Page 4: ...roper tool is used to hold the flywheel in order to remove the clutch structural damage to the flywheel could occur and subsequently cause the flywheel to burst KEEPSAFE T TIP ANTI KICK BACKNOSEGUARD...

Page 5: ...felling a tree requires a larger work area than making other cuts i e bucking cuts etc PUSH AND PULL The reaction force is always opposite to the direction the chain is moving Thus the operator must b...

Page 6: ...and head protection when operating this equipment The SAFE T TIP nose guard on the guide bar helps prevent kick back No smoking sparks or open flame when mixing fuel or filling the fuel tank Hold and...

Page 7: ...s Fuel tank capacity 20 25 oz 19 4 oz Oil tank capacity 12 3 oz 11 8 oz Bar lengths 41 50 cm 16 20 in Chain pitch 8 26 mm 325 in Chaingauge 1 27 mm 050 in Chain type Semi Chisel LoPro Drive sprocket 7...

Page 8: ...a kick back reaction by preventing the cutters from digging in too deeply at the kick back zone Only use replacement chain that is equivalent to the original chain or has been certified as a low kick...

Page 9: ...them immediately with clean water If irritation is still present see a doctor immediately Clean up spilled fuel immediately WARNING Check for fuel leaks If any are found correct them before using the...

Page 10: ...nit Never squeeze and hold the throttle trigger while the chain brake is in the brake position CAUTION Failure to release partial throttle when chain brake lever is in the brake position will result i...

Page 11: ...ut a cutting load may result in unnecessary wear to the chain bar and engine 7 Do not put pressure on the saw at the end of the cut WORK AREA PRECAUTIONS See Figure 21 Cut only wood or materials made...

Page 12: ...s B Clear out the undergrowth around the tree to be felled C Do not cut trees near electrical wires or buildings D Consider the direction in which the tree leans E Check the tree for damaged or dead b...

Page 13: ...t touching the chain you should use the wedge to hold the cut open to prevent pinching NOTE When bucking or felling with a wedge you may need to remove the SAFE T TIP anti kick back device to allow th...

Page 14: ...ng that the bar pin groove is at the bottom with the upper and lower edges angled away from the guide bar 12 Replace the clutch cover and bar mounting nuts ASSEMBLING THE BAR AND CHAIN See Figures 3 a...

Page 15: ...sion the chain prior to sharpening NOTE Refer to Maintenance Adjusting the Chain Tension earlier in this manual 3 Use a 4 mm 5 32 in diameter round file and holder Do all your filing at the midpoint o...

Page 16: ...the tightness of the mounting screw before each use Tighten the mounting screw A of the nose guard as instructed below These are specially hardened screws If you cannot install the screw tightly repla...

Page 17: ...o restore performance We highly recommend that only qualified service technicians perform this service CHECKING THE FUEL FILTER See Figure 70 Check the fuel filter A periodically Replace it if contami...

Page 18: ...ion switch to run I position Push and fully release primer bulb 7 times Pull starter three times with choke lever at run If engine does not start move choke lever to choke and repeat normal starting p...

Page 19: ...and chain for damage NOTE The carburettor adjustment needle s are equipped with plastic cap s which prevent anticlockwise rotation from the original factory adjustment If your product exhibits specif...

Page 20: ...by the following approved body SLG Pr f und Zertifizierungs GmbH Certyfikat nr 100885D SLG Pr f und Zertifizierungs GmbH Certyfikat nr 100889O To effect correct application of the health and safety re...

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