Maintenance - Husqvarna DM 200 Operator's Manual

To operate the product
WARNING: If the PRCD engages, remove
the drill bit from the hole before you push
"RESET".
WARNING: Dangerous accidents can occur
if the concrete core stays in the drill bit when
you remove the drill bit from the hole.
CAUTION: Make sure that no objects hit the
drill bit.
CAUTION: Do not use more force than
necessary. This only makes the operation
slow and causes overload to the motor.
1. Start the motor. Refer to
page 11 .
2. Let the motor speed increase to the maximum speed
before the drill bit touches the surface.
3. If you drill through iron reinforcements, use more
initial pressure and a lower gear than if there were
no iron reinforcements.
4. Use very small pressure initially to keep the drill bit in
correct position.
5. If wet drilling, make sure that the water removes all
waste material from the drill hole. Adjust the water
pressure if it is necessary.
6. If dry drilling, make sure that the dust extractor
removes all dust.
7. Stop the motor. Refer to
12 .
To stop the product
WARNING: The drill bit continues to rotate
for some time after the motor stops. Do not
Introduction
WARNING: Read and understand the safety
chapter before you do maintenance on the
product.
WARNING: To prevent injury, disconnect the
power cord before you do maintenance.
12
To start the product on
To stop the product on page

Maintenance

stop the drill bit with your hands. Injuries can
occur.
1. To stop the product, release the power switch. (Fig.
22)
2. Wait until the drill bit has fully stopped.
To reset the motor overload protection
1. Stop the product. Refer to
page 12 .
2. Remove the blockage from the drill bit.
3. Start the product. Refer to
page 11 .
To replace the drill bit
WARNING: Pull out the plug from the power
outlet before you replace the drill bit.
WARNING: Use protective gloves. Let the
product become cool before you remove the
drill bit. The drill bit and the adjacent area
are very hot after operation.
WARNING: Only use diamond drill bits that
are approved for your product. Speak to
your Husqvarna dealer for more information.
1. Make sure that you have got a new drill bit, the
supplied wrench and water resistant grease.
2. Lock the spindle axle with the wrench.
3. Turn the drill bit clockwise to remove it. (Fig. 23)
CAUTION: Do not hit the product to
remove the drill bit. There is a risk of
damage to the gearbox.
4. Lubricate the spindle shaft thread with water
resistant grease.
5. Turn the drill bit counterclockwise to install it. Tighten
fully. (Fig. 24)
Maintenance schedule
* = General maintenance done by the operator. The
instructions are not given in this operator's manual.
X = The instructions are given in this operator's manual.
O = Speak to a Husqvarna service agent.
To stop the product on
To start the product on
1416 - 004 - 02.07.2020