Husqvarna PG820 User Manual

English -

 27

Check that head locks 
are tight.

Tighten head locks and re-set in thread-locking com-
pound if required (Suggested thread-locking compound 
Loctite 680)

Daily

Inspect heads for slop/ 
broken “fi ngers” if using 
spring steel heads.

Examine machine heads while machine tipped back. 
Disconnect Planetary Drive motor (small motor) and run 
discs at lowest speed. Check to see how concentric/true 
grinding heads are running.

Daily

Check effectiveness of 
planetary seal.

Remove planetary head motor/gearbox system and 
check for presence of dust under machine cover .

Weekly

Check condition of 
chain ring.

Remove planetary head motor/gearbox system and in-
spect chain links in chain ring. Ensure links are clean and 
free from build-up.

Weekly with Planetary Seal

Check condition of 
Drive Sprocket.

Remove planetary head motor/gearbox system and 
inspect condition of planetary drive sprocket.

Weekly with Planetary Seal

Inspect internal compo-
nents of machine.

Remove belt tensioner cover plate and check inside 
machine for dust, moisture or belt fragments. Ensure to 
re-seal cover plate with silicone sealant.

6 monthly

Clean contents of elec-
trical cabinet.

Blow out inside of electrical cabinet and variable speed 
drives or frequency converters with DRY compressed air.

Every 2 months

Prior to removing belt tensioner cover plate, 
ensure cover plate and area surrounding cover 
plate are totally clean. Avoid debris from enter-
ing into inside of machine.