Instructions For Periodic Maintenance - Makita DUC252 Instruction Manual

to be installed so that it always faces as shown in the
figure.
Always fit a new locking ring when replacing the sprocket.
(Fig. 43)
Replacing carbon brushes (Fig. 44)
Remove and check the carbon brushes regularly. Replace
when they wear down to the limit mark. Keep the carbon
brushes clean and free to slip in the holders. Both carbon
brushes should be replaced at the same time. Use only
identical carbon brushes. (Fig. 45)
Use a screwdriver to remove the brush holder caps. Take
out the worn carbon brushes, insert the new ones and
secure the brush holder caps.
Storing tool
Clean the tool before storing. Remove any chips and
sawdust from the tool after removing the sprocket cover.
After cleaning the tool, run it under no load to lubricate the
saw chain and guide bar.
Operating
time
Item
Inspection.
Cleaning.
Chain saw
Check at authorized service
center.
Inspection.
Saw chain
Sharpening if necessary.
Inspection.
Guide bar
Remove from the chain saw.
Check the function.
Chain brake
Have it inspected regularly at
authorized service center.
Chain lubrication Check the oil feed rate.
Switch trigger Inspection.
Lock-off button Inspection.
Oil tank cap Check tightness.
Chain catcher Inspection.
Screws and nuts Inspection.
014804
Cover the guide bar with the guide bar cover.
Remove oil from the oil tank to empty it and place the
chain saw.
To maintain product SAFETY and RELIABILITY, repairs,
any other maintenance or adjustment should be
performed by Makita Authorized Service Centers, always
using Makita replacement parts.

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 properly. 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 authorized service
centre.
Before
Everyday
operation
Every Every
Annually
week 3 month
Before
storage
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