Husqvarna 525 LST, 524 L Sharpening grass knifes and grass blades, Trimmer head, General rules

Models: 525 RJD 525 RS 966781601 525 LST 524 L

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General rules

GENERAL SAFETY PRECAUTIONS

General rules

Only use cutting attachments with the guards we recommend! See the chapter on Technical data.

Keep the teeth of the blade correctly sharpened! Follow our instructions and use the recommended file gauge. An incorrectly sharpened or damaged blade increases the risk of accidents.

Check the cutting attachment for damage or cracks. A damaged cutting attachment should always be replaced.

Sharpening grass knifes and grass blades

See the cutting attachment packaging for correct sharpening instructions. Sharpen blades and knifes using a single-cut flat file.

Sharpen all edges equally to maintain the balance of the blade.

!

WARNING! Always discard a blade that is

bent, twisted, cracked, broken or

 

 

damaged in any other way. Never attempt

 

to straighten a twisted blade so that it

 

can be reused. Only use original blades

 

of the specified type.

Trimmer head

IMPORTANT!

Always ensure the trimmer cord is wound tightly and evenly around the drum, otherwise the machine will generate harmful vibration.

Only use the recommended trimmer heads and trimmer cords. These have been tested by the manufacturer to suit a particular engine size. This is especially important when a fully automatic trimmer head is used. Only use the recommended cutting attachment. See the chapter on Technical data.

Smaller machines generally require small trimmer heads and vice versa. This is because when clearing using a cord the engine must throw out the cord radially from the trimmer head and overcome the resistance of the grass being cleared.

The length of the cord is also important. A longer cord requires greater engine power than a shorter cord of the same diameter.

Make sure that the cutter on the trimmer guard is intact. This is used to cut the cord to the correct length.

To increase the life of the cord it can be soaked in water for a couple of days. This will make the line tougher so that it lasts longer.

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Husqvarna 525 LST, 524 L Sharpening grass knifes and grass blades, Trimmer head, General Safety Precautions, General rules