I just bought an oc12 track loader I have the manual but I'm a little confused about lubricating the bearings for the tracks. Do I just  just pump sae30  Into them  if so what type of pump are most people using and where is a good place to buy a 5gal pail of sae30. Also as far as the grease fittings on the arms do they require bearing grease or do they also get sae30

Thank you in advance for your help