Husqvarna 420EL [25/28] Maintenance

English – 25

MAINTENANCE

Maintenance schedule

The following is a list of the maintenance steps that must be performed on the machine. Most of the items are described

in the Maintenance section.

Each use Frequent Occasional

Clean the outside of the machine.

File off any burrs from the edges of

the bar.

it operates safely. Make sure that the

chain catcher is undamaged, and

replace it if necessary.

Blow through the product and battery

cooling slots gently with compressed

air.

The bar should be turned daily for

more even wear. Check the

lubrication hole in the bar, to be sure it

is not clogged. Clean the bar groove.

abnormally worn. Replace if

necessary.

Sharpen the chain and check its

tension and condition. Check the

drive sprocket for excessive wear and

replace if necessary.

Clean the machine’s air inlet.

Check that nuts and screws are tight.