Operation & Maintenance Manual 29
Cyclo® HBB
Cyclo® HBB
Grease Replenishment and Draining Procedure
Procedureforaddinggreasetogrease-lubricatedmodels(excludingmaintenance-freemodels)
1. Remove the grease discharge plug from the outside cover.
2. Add grease with a grease gun from the grease nipple in the inside cover section or motor connection cover.
3. Insert the grease discharge plug.
• Addgreaseduringoperationtoensureproper,uniformcirculation.
• Addgreaseslowly.
• DonotaddmoregreasethantheamountshowninTable 17 and 18. Adding too much grease may cause the grease
temperaturetorise,orgreasetoleakintothemotor.
Grease Replacement for Grease-Lubricated and Maintenance-Free Grease Models
•Theunitmaybesafelyoperatedforanextendedtimebecauseitissealedwithmaintenance-freegrease.However,Sumitomo
recommends overhauling every 20,000 hours or 3-5 years of operation to ensure long service life.
•Alwaysconsultourspecializedfactoryforoverhaulofgearmotorsandreducers.Experienceisnecessaryforoverhaul.
Fig. 5 Grease Fill/Drain Locations
Lubrication
Grease Replenishment / Draining
Y3 Y4
Y1 Y2
Y5 Y6
= Helical Gear Portion Oil Fill Location
= Helical Gear Portion Oil Sight Gauge Location
= Helical Gear Portion Oil Drain Location
= Cyclo® Portion Grease Fill Location
= Cyclo® Portion Grease Drain Location