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6. Front and rear shock absorbers
Replace these parts if the bonded parts are separated or if there are cracks in the
rubber part.
8 GUIDE BAR AND CHAIN MAINTENANCE CHAIN
WARNING!
For safety reasons and for proper unit operation, it is extremely important that
the teeth are consistently well sharpened. Teeth need sharpening
When the sawdust looks like dust.
When greater force than usual is required to start cutting.
When the cutting path is not straight.
When the vibration increases.
When the fuel consumption of the unit increases.
Rules for setting teeth
WARNING!
Be sure to wear protective gloves for this job.
Before you start sharpening your teeth:
- Check that the chain is properly secured.
- Check that the engine is off.
- Only use a round file of suitable dimensions according to the size of the chain.
Place the file on the tooth to be sharpened and push it straight forward. Keep the file
in the indicated position maintaining an angle of 30º with respect to the back.
After sharpening each tooth, measure the depth with a caliper and file to the correct
level as shown in the illustration.
WARNING!
Be sure to round the leading edge to reduce the risk of kickback or chain binding. Check
that the length and edge angle of all teeth are the same as shown in the illustration.
GUIDE BAR
In order to avoid uneven bar wear, periodically invert the bar. The guide bar rail must
always be square. Check the wear of the rail with a ruler
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