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Chain saw

model

266

Operator’s maintenance manual

TECHNICAL SPECIFICATION
Displacement . . . . 66.7 cm

3

Bore . . . . . . . . . . . 50 mm
Stroke . . . . . . . . . . 34 mm
Ignition advance . . . . . 25˚ before t.d.c. at 8500 rpm
Sparking Plug . . . . 

Champion CJ 7Y, PAL P8Y

Electrode gap . . . . 0.5 mm
Carburettor . . . . . . Diaphragm type

Tillotson HS 163 A

Fuel tank capacity  . . . .0.75 l
Oil tank capacity . . . . . 0.45 l
Sawing chain. . . . . . .3/8” pitch

Guide Bar . . . . . . . . . . 15”
Weight empty, incl. 15”
guide bar , chain . . . . . 7.1 kg (SE)

and chain brake . . . . . 7.25 kg (SG)

Summary of Contents for 266

Page 1: ...34 mm Ignition advance 25 before t d c at 8500 rpm Sparking Plug Champion CJ 7Y PAL P8Y Electrode gap 0 5 mm Carburettor Diaphragm type Tillotson HS 163 A Fuel tank capacity 0 75 l Oil tank capacity 0 45 l Sawing chain 3 8 pitch Guide Bar 15 Weight empty incl 15 guide bar chain 7 1 kg SE and chain brake 7 25 kg SG ...

Page 2: ...ease see the chain manufacturer s recommendation CHECK THE CHAIN TENSION FREQUENTLY FOR OPTIMAL PERFORMANCE AND DURABIITY Fuel and oil Fig 4 The power plant of this chain saw is a twostroke engine that is run on a petrol and oil mixture of certain proportions ace to the table Do not use but a twostroke oil of high quality e g Husqvarna Twostroke Oil that is specially developed for chain saws NOTE ...

Page 3: ...abt 35 cm As the saw by force of its own weight swings around the rear handle and hits the trunk the brake should be released Note that during this check the engine must not be running If the brake is not released contact your service workshop Maintenance of the chain brake Clean the brake band and the mechanism Check that the band has at least 3 4 of its original thickness on the most worn part L...

Page 4: ...l throttle CAUTION Guide bar chain and clutch cover must be assembled before the engine IS started otherwise the clutch may come loose and cause injuries Adjusting the catiurettor Fig 9 The carburetor has three adjusting screws L Low speed needle H High speed needle T Throttle adjusting screw A Basic setting Clean the air filter Check the spark plug and its electrodes Check that the fuel filter is...

Page 5: ...r Avoid cleaning them in chain saw petrol Dry the filter with compressed air Reassemble the filter and make sure that it lies close to the carburetor Use two air filters alternately Clean the filter each day Changing starter cord and return spring I Ig 73 Loosen the four screws that retain the starter Remove the starter Pull out the cord approx 30 cm and lift it up into the notch in the periphery ...

Page 6: ...erature of the handles 5 Thermostat closed all the time Winter use In winter extreme cold and powdery snow can cause running problems The oil pump is adjustable for four different capacities Adjustment is to be done after removal of chain guide bar clutch cover centri fugal clutch and clutch drum The cylinder cover is prepared for extreme cold working conditions In the artition wall of the cover t...

Page 7: ...sion 8 Check the oiling system for the chain and the guide bar 9 Clean the chain brake Make it a habit to lock the chain brake during pauses and transports Weekly maintenance 10 Check the starter its cord and return spring 11 Clean the spark plug from the outside and check the gap Adjust the gap or change the plug If necessary 12 File off burrs if any on the sides of the guide bar 13 Lubricate the...

Page 8: ...round always stand 5 Nobody is allowed to be within the swing area of the saw above the tree 6 Always stop the engine before checking and adjusting the 4 Be calm and collected when working eliminate the risk of chain tension or exchanging the chain injury to other persons Personal safety equipment 1 To protect the hearing organ wear protective wad plugs or 2 When cutting wear gloves of chrome leat...

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