Maintenance; Changing The Drill Bit; Maintenance Of The Drill Motor - Husqvarna DMS 240 Operator's Manual

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Changing the drill bit

WARNING! Always pull out the plug from the
outlet socket before cleaning, maintenance
or assembly.
1 Pull out the plug.
2 Get:
- The new drill bit.
- Open-ended spanners.
- Water-resistant grease.
3 Remove the old drill bit using the open-ended spanners.
4 Apply water-resistant grease to the thread of the new drill
5 Attach the drill bit using the open-ended spanners.

Maintenance of the drill motor

WARNING! Inspection and/or maintenance
should be carried out with the motor
switched off and the plug disconnected.
The lifetime of your machine can be extended considerably if
it is used, cared for and maintained in the proper manner.
Keep the machine and drill bit clean in order for drilling to
be carried out safely.
In order for the machine to always be cooled sufficiently
the cooling air openings must be kept clear and clean.
Blow down the machine regularly with compressed air.
WARNING! Do not wash the machine with
water, as water can enter the electrical
system or the engine and cause damage to
the machine or short circuit.


Electrical Feed
Check that the cord and extension cord are intact and in good
condition. Never use the machine if the cord is damaged,
hand it in to an authorized service workshop for repair.
IMPORTANT! All types of repairs may only be carried out by
authorised repairmen. This is so that the operators are not
exposed to great risks.
Clutch disc
If transmitted torque is lowered, clutch disc requires
adjustments. Entrust this to an authorized service center.
Replacing the carbon brushes
The carbon brushes must be removed and checked regularly.
Weekly if the machine is used daily or at longer intervals if the
machine is used more seldom. The area of wear should be
even and undamaged.
Both carbon brushes must always be replaced as a pair, but
one at a time. Do as follows:
1 Remove the cover for the carbon brushes using a flat wide
2 Carefully remove the carbon brushes. The carbon
brushes must be replaced if there is less than 6 mm
remaining on the brushes.
3 Fit new carbon brushes.
4 Screw on the brush cover.
5 Let the machine idle for 10 minutes to run in the new
carbon brushes.
Daily maintenance
1 Check that nuts and screws are tight.
2 Check that the power switch unit works smoothly.
3 Clean the outside of the machine.
4 Check and clean the cooling air openings.
5 Check that the cord and extension cord are intact and in
good condition.
WARNING! Never use damaged cables. They
can cause serious, even fatal, personal
– 13

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This manual is also suitable for:

Dms 180