Скачать или смотреть Diesel maintenance part 1/3 - the valve

When restoring an old diesel appliance, the valve is going to require special attention. If you're working on getting an old Dickinson appliance running again, cleaning the valve is unavoidable. An older valve is highly unlikely to maintain an oil level or meter fuel at the correct rate unless it has been cleaned. This is the first and most important step to take when putting an unused appliance back into operation. Not all of the valve must be cleaned - follow the cleaning steps as demonstrated to restore proper metering function.

DO NOT use solvents that could damage hidden seals.
DO NOT turn or remove the needle seat, it's height is crucial.
DO NOT assume the valve is clean even if it appears to be clean to the naked eye.