Husqvarna 3120K manual Maintenance, Adjusting the drive belt Belt pulley and clutch

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MAINTENANCE

Adjusting the drive belt

Belt pulley and clutch

The drive belt is fully enclosed and well protected from dust, dirt and mechanical effects during the cutting process.

To tension the drive belt, slightly loosen the bolts (A), which secure the cutting head and belt guard.

Turn the tensioning screw so that the nut (B) is located directly under the arrow on the cover. Shake the head to ensure the spring can tension the belt. The belt now automatically has the right tension.

Tighten the bolts that hold the cutting head.

A

B

Never start the engine when the belt pulley and clutch are removed for maintenance.

IMPORTANT INFORMATION! A new drive belt should be tensioned after using one or two tanks of fuel.

Changing the drive belt

Loosen the two bolts (A).

Turn the tensioning screw(B) until the tension has been released.

Remove the two bolts (A).

Remove the front belt cover

(C).

Remove the belt from the pulley.

Dismantle the cutting head.

Remove the nut (D). Remove the side cover.

Replace the drive belt.

To assemble reverse the procedure for dismantling.

Check the blade guard for signs of cracking or other damage. Replace it if damaged.

A

 

B

C

D

 

!WARNING! Never use a power cutter without a blade guard over the cutting blade.

16 – English

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Contents 3120K 101 91Symbols on the power cutter Symbol ExplanationSymbols in the Operators Manual Contents Safety Instructions Power CUTTER’S Safety EquipmentStop switch Personal Protective EquipmentMuffler Blade guard for the cutting bladeTransport and storage General Safety InstructionsImportant Information Fuel safety Basic safety precautionsGeneral Working Instructions CuttingKickback Water coolingCare and storage GeneralCutting Blades Abrasive bladesHigh speed portable tools Special bladesUsing diamond blades Cutting bladesDiamond blades Dry diamond bladesWhat is WHAT? What is what on the power cutter? Assembly Fitting the cutting head Checking the drive shaft and flanges Blade guardFuelmix Fuel HandlingFuelling Start and Stop Start and stopAdjusting the drive belt Belt pulley and clutch MaintenanceChanging the drive belt Functioning, Final setting Operation Final setting of the idling speed TCarburetor High speed jetFuel filter Air filterStarter Replacing a broken or worn starter cordTensioning the recoil spring Replacing a broken recoil springCooling system MufflerSpark plug Weekly maintenance Daily maintenanceMonthly maintenance Technical Data Cutting equipmentFederal and California Emission Control Warranty Statement Your Warranty Rights Obligations´*31¶5¨ 2000W51