Husqvarna PG820 - Manual (Page 25)

English - 27
Maintenance schedule
Item Action Frequency
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
IMOPRTANT!
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.
Maintenance schedule