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Husqvarna PG 680 Operator's Manual Page 26

Floor grinder/polisher.
Hide thumbs


Remove the bolts.
Lift off the motor/gear unit.
Inspect for dust build up here. If the planetary seal is
working effectively, there should be a very minimal
amount of dust observed under the cover of the
machine. If there is a build-up of 5-6mm (1/4 inch),
then it is more than likely it is time to remove the
machine cover and check the condition of the
planetary seal.
Remove the bolts.
NOTICE! Prior to removing belt tensioner
cover plate, ensure cover plate and area
surrounding cover plate are totally clean.
Avoid debris from entering into inside of
Lift off machine cover to reveal chain ring and
planetary seal.
If planetary seal is worn or needs replacement,
contact your Husqvarna Construction Products
distributor for a new planetary seal replacement kit.
26 – English
Grinding Heads Drive System
As the grinding discs are driven by the large motor via an
internal belt, and because the belt is sealed inside the
machine, there is no maintenance regarding this drive
system until a major service (belt and bearing
replacement) is due. This is typically following 12-36
months of operation.
It needs to be considered that some applications are more
demanding than others. This will in turn influence the
operation time before an internal service is required. Take
the equipment to an authorized service shop.
CAUTION! All types of repairs may only
be carried out by authorised repairmen.
This is so that the operators are not
exposed to great risks.



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