Functional Inspection; General Inspection; Grinding Discs; Planetary Drive System - Husqvarna PG820 RC Manual De Instrucciones

Functional inspection

General inspection

• Check that the cord and extension cord are intact and
in good condition.
• Check that nuts and screws are tight.
• Check that head locks are tight. Tighten head locks
and re-set in thread-locking compound if required
(Suggested thread-locking compound Loctite 680).

Grinding discs

As the machine is used, the spring steel spring will
become fatigued and the spring steel 'fingers' will break.
This will cause uncontrolled movement of the grinding
discs and vibration when the machine is in operation.
Regular inspections of the spring steel head fingers are
recommended. The expected service life of the grinding
discs varies between 6 and 12 months depending on how
much the machine is used.
The spring steel springs are available as spare parts and
can be changed without having to scrap the whole
grinding disc.
The spring steel heads can also be made less flexible by
the addition of a second spring steel spring.
36 – English
MAINTENANCE AND SERVICE

Planetary drive system

Drivmekanismen för planetdrivsystemet utgörs av
kedjedrevet (som driver kedjeringen) och kedjeringen.
This system is a dry system (i.e. it is not required for there
to be lubrication between the planetary drive sprocket and
chain ring), to allow any dust that may come into contact
with the chain ring to fall back out again.
NOTICE! Lubrication of this system will cause dust to
build up in chain ring and drastically shorten the life of
both the chain ring and planetary drive sprocket.
As the chain ring and planetary drive sprocket are located
beneath the cover of the machine, yet on the outside of
the machine, there lies the potential that they can be
exposed to dust and other debris created during the
grinding process.
To prevent this as much as possible, a planetary seal has
been installed to stop dust and other particles from
coming into contact with the planetary drive mechanism.
Checking the planetary seal
• Unplug the power cable for the planetary motor and
the grinding motor.
• Dismantle the support wheel. For more information,
please see the 'Support wheel' section.
• Pull out the locking pin (1) and the locking bolt (2)
holding the chassis on the grinding unit.
2
1