by other system components and proper lubrication normal maintenance procedures can ... installation of sprockets and/or shafts if shafts are out of parallel or not in ... off kerosene and soak in oil to restore lubrication drain off excessive lubrication by ... conditions sprockets remaining on shafts should be covered with heavy grease ... corrections inspect sprockets and shafts for proper alignment or looseness ... reverse a worn sprocket on the shaft to present a new set of working tooth ... or missing parts check alignment of shafts and/or sprockets warning use care to ... slack loose or misaligned sprockets or shafts inspect chain and drive equipment ... replace or readjust as needed improper lubrication light or dark brown discoloration of ... not dipping into the oil reservoir or drip lubricator or spray is plugged ...