1973 PETTER AA1 Restoration Part 1

this is the first part of my petter aa1 diesel engine restoration , ill start by telling you a bit about this engine , it was made in august 1973 and used on a centrifugal water pump on a farm , i brought it at a sale in Devon with a reconditioned injector pump , this model is the less common variable speed , but it is rated at (3Hp @ 3000RPM well enjoy.