Other than changing the engine’s oil and watching for drips of it on the hangar floor, you may not pay much attention to the engine’s lubrication system as a whole. It is a major system with critical hoses, fittings, oil cooler and pump, to name a few components.
While you might leave the maintenance of those items up to your shop or mechanic, there are specific things you should do and understand about the engine’s oil circulation system. Here’s a technician’s overview.