Jonsered 2159 manual Chain brake and front hand guard

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SAFETY INSTRUCTIONS

1 Chain brake and front hand guard

YOUR chain saw is equipped with a chain brake that is desig- ned to stop the chain immediately if you get a kickback.

The chain brake reduces the risk of accidents, but only You can prevent them.

Take care when using your saw and make sure the kickback zone of the bar never touches any object.

3a Starting

The chain brake should be activated when starting.

bYou can also use the chain brake as a temporary brake when you change position or if you put the saw down for a short time. You should also apply the chain brake manually if there is a risk of the chain accidentally hitting anyone or anything close by.

1The chain brake (A) can either be activated manually (by your left hand) or automatically by the inertia release mechanism (a free- swinging pendulum). On most of our models the front hand guard acts as a counterweight in case of kickback.

The brake is applied when the front hand guard (B) is pushed forwards.

This movement activates a spring-loaded mechanism that tightens the Brake Band (C) around the engine drive system (D) (Clutch Drum).

B

A

B

C

D

4To release the chain brake pull the front hand guard backwards, towards the front handle.

5 As mentioned in section A,

kickback can be very

sudden and violent.

Most kickbacks are

minor and do not always

2The front hand guard is not designed solely to activate the chain brake. Another important safety feature is that it prevents the chain from hitting your left hand if you lose your grip on the front handle.

activate the chain brake.

If this happens you

should hold the chain

saw firmly and not let

go.

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Contents Operator´s manual EPA Symbols KEY to SymbolsContents Personal Protective Equipment Safety InstructionsChain brake and front hand guard Right hand guard Throttle lockChain catcher Muffler Stop switchVibration damping system Checking the front hand guard Checking brake band wearChecking the inertia brake release Checking the brake triggerThrottle lock 5 basic rules Cutting EquipmentBar Cutting equipment designed to minimise kickbackSaw chain Some terms that describe the bar and chainGeneral information on sharpening cutting teeth Sharpening your chain and adjusting raker clearanceSharpening cutting teeth Risk of kickback is increased with a badly sharpened chainTensioning the chain General advice on setting raker clearanceSetting the raker clearance Chain oil Lubricating cutting equipmentFilling with chain oil Never use waste oilChecking chain lubrication Needle bearing maintenanceChecking wear on cutting equipment Lubricating the bar tip sprocketWhat is kickback? HOW to Avoid KickbackNever use the saw one- handed General rulesDo not let go of the handles 10 ft Min mGeneral Working Instructions Basic safety rulesGeneral Basic cutting techniqueTerms CuttingSafe distance Tree felling techniqueLimbing Felling directionFelling Clearing the trunk and preparing your retreatFreeing a tree that has fallen badly = high accident risk General adviceCutting the trunk into logs Freeing a Trapped treeWhat is what? What is WHAT?Mounting guide bar and chain AssemblyFuelmix Fuel HandlingChain oil FuellingMin 3 m 10ftStart and stop Start and StopStart StopCarburetor MaintenanceStarter device Starter device assemblyChanging a broken or worn starter cord Tensioning the recoil springAir filter Needle bearing maintenance Spark plugMuffler IMPORTANT! a damaged air filter must always be replacedCentrifugal cleaning Turbo Adjustment of the oil pump Heated handles 2159WCooling system Electrically heated carburetor 2159WMonthly maintenance Weekly maintenance Daily maintenance2159 Technical Data+ 46 36 14 65 Emission Control Warranty Statement2001W38 108 87