Zerk Locking AssemblyHard-to-reach lubrication fittings present a major maintenance problem for the proper care of all types of machinery. Hidden or guarded lubrication fittings can mean production downtime, higher operating and maintenance costs and risk of personal injury to operators and employees - all directly traceable to poor lubrication fitting access. How do you eliminate these problems? Lincoln's Remote Lube Fitting Systems benefit you by providing easy access to lubrication fittings; lubrication is easier, quicker and safer; assures all bearings will be lubricated - and can be safely lubricated while machine is operating; and finally, it's possible to reach hidden. inaccessible or hazardous bearings.