One of the most common problems about heavy equipment that uses hydraulic pumps is when its hydraulic oil begins to leak. This happens when the hose would burst or would have a small hole on it. Replacing the hose can be a dirty task but it can be done by anyone as long as he follows the proper instructions. After identifying the cause of the leak, it is important that the right type of parker hydraulic hose is bought. The correct length, size and vacuum ratings should be considered to ensure that the equipment will function properly after the hydraulic hose has been replaced.