Depending on the amount of use the Ferris mower gets will dictate the amount of grease you will need. The spindles and caster wheels are generally the most often greased. The spindles and castor wheels should be done around once a month because of the moving interior parts. Commercial mowers that put hundreds of hours on their Ferris mower would be looking at greasing the mower everyday depending on usage. FYI: the spindles have a large cavity in them for the grease to set into. You will find that it takes a larger amount of grease than everything else on the mower. Spindles should be greased until you confirm grease is pushing out of the weep hole located on the bottom section of the spindle.
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