Maintenance - Husqvarna 120i Operator's Manual

Introduction
WARNING: Read and understand the safety
chapter before you do maintenance on the
product.
Maintenance schedule
WARNING: Remove the battery before you
do maintenance.

Maintenance

Clean the external parts of the product.
Make sure that the power trigger and the power trigger lockout function correctly
from a safety point of view.
Clean the chain brake and make sure that it operates safely. Make sure that the
chain catcher is not damaged. Replace it if necessary.
Turn the guide bar for more equal wear. Make sure that the lubrication hole in
the guide bar is not clogged. Clean the bar groove.
Make sure that the cutter and cutter guard have no cracks and that they are not
damaged. Replace the cutter or cutter guard if they have cracks or if they have
been exposed to impact.
Make sure that the guide bar and saw chain have sufficient oil.
Do a check of the saw chain. Look for cracks and make sure that the saw chain
is not rigid or unusually worn. Replace if necessary.
Sharpen the saw chain. Do a check of its tension and condition. Do a check for
wear on the drive sprocket and replace is necessary.
Clean the air inlet on the product.
Make sure that the screws and nuts are tight.
Make sure that the keypad works correctly and that it is not damaged.
Use a file to remove burrs from the edges of the guide bar.
Do a check of the connections between the battery and the product. Do a check
of the connection between the battery and the battery charger.
Empty and clean the oil tank.
Blow through the product and battery cooling slots gently with compressed air.
Maintenance and checks of the safety
devices on the product
To do a check of the front hand guard
Regularly do a check of the front hand guard and the
inertia brake release.
20
Maintenance
The following is a list of the maintenance steps that you
must do on the product. See
for more information.
1. Make sure that the front hand guard is not damaged
and that there are no defects, such as cracks. (Fig.
94)
2. Make sure that the front hand guard moves freely
and that it is attached safely to the product. (Fig. 95)
Maintenance on page 20
Before
Weekly Monthly
use
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