Replacing The Sprocket; Storing The Tool; Instructions For Periodic Maintenance - Makita DUC303 Instruction Manual

Replacing the sprocket

CAUTION:
A worn sprocket will damage a
new saw chain. Have the sprocket replaced in this
case.
Before fitting a new saw chain, check the condition of
the sprocket.
► Fig.41: 1. Sprocket 2. Areas to be worn out
Always fit a new locking ring when replacing the
sprocket.
► Fig.42: 1. Locking ring 2. Sprocket
NOTICE:
Make sure that the sprocket is installed
as shown in the figure.

Instructions for periodic maintenance

To ensure long life, prevent damage and ensure the full functioning of the safety features, the following maintenance
must be performed regularly. Warranty claims can be recognized only if this work is performed regularly and prop-
erly. Failure to perform the prescribed maintenance work can lead to accidents! The user of the chain saw must not
perform maintenance work which is not described in the instruction manual. All such work must be carried out by our
authorized service center.
Check item / Operating time
Chain saw Inspection.
Cleaning.
Check at
authorized
service center.
Saw chain Inspection.
Sharpening if
necessary.
Guide bar Inspection.
Remove from
the chain saw.
Chain brake Check the
function.
Have it
inspected
regularly at
authorized
service center.
Chain Check the oil
lubrication feed rate.
Switch trigger Inspection.
Lock-off lever Inspection.
Oil tank cap Check
tightness.
Chain catcher Inspection.
Screws and Inspection.
nuts
To maintain product SAFETY and RELIABILITY,
repairs, any other maintenance or adjustment should
be performed by Makita Authorized or Factory Service
Centers, always using Makita replacement parts.
Before Everyday
operation
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18 ENGLISH

Storing the tool

1. Clean the tool before storing. Remove any chips
and sawdust from the tool after removing the sprocket
cover.
2.
After cleaning the tool, run it under no load to lubri-
cate the saw chain and guide bar.
3. Cover the guide bar with the guide bar cover.
4. Empty the oil tank.
Every week Every 3
month
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Annually Before
storage
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