Husqvarna PG820 Grinder User Manual


 
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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 “ 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