Husqvarna DM 370 Manuel D'utilisation page 15

• Make sure that there is no vibration in the drill
bit. If there is vibration in the drill bit, the diamond
segments can come loose.
• Make sure that the diamond segments are
sufficiently larger than the inner and outer diameter
of the drill bit tube.
• Lubricate the drill bit thread with water resistant
grease. This makes it easy to loosen the tool.
• Make sure that the radial run out at the diamond
segments of the drill bit is not more than 1 mm.
To replace the gear oil
CAUTION:
stop the product and speak to an approved
service center. The gear becomes damaged
if the gear oil level is not sufficient.
• Let an approved Husqvarna service center replace
the gear oil.
Troubleshooting schedule
If you cannot find a solution to your problems in this
operator's manual, speak to your Husqvarna service
agent.
1188 - 010 - 30.11.2022
If there is gear oil leakage,
Troubleshooting
To examine the water connection
CAUTION:
from the water connection ring, the shaft
seals must be replaced immediately.
• Let an approved Husqvarna service center repair the
water connection.
To examine the carbon brushes
1. Remove the 4 screws that hold the cover for the
carbon brushes. Use a flat wide screwdriver. (Fig.
28)
2. Examine the carbon brushes. The area of wear must
be smooth and not damaged.
3. If it is necessary, let an approved Husqvarna service
center replace the carbon brushes.
If there is a leakage of water
15