Injecter pump oil?

On my 74 240d there is a red cap on the injecter pump. When i unscrewed this cap it appears that there is room for oil in there. Is there supposed to be oil in the pump and if so what kind of oil?? Is it bad to drive it without oil? It runs like a top so I'm kind of curious about this. Thanks

Forums

Diesel Engine Specific Aid

Chassis Model Number

W115

Yes

Yes there is a place,check the net for info,or join yahoo groups diesel mercedes.Someone with a 240 will help.

Injector pump oil

I would strongly advise you to purchase any or all of the following: 1) an original owners manual for your 240D 2) A Haynes repair manual 3) The Factory Service Manual CD set The MBZ items can be purchased through The Classic Center in Irvine, CA Yes, oil goes in there. However, the quantity and viscosity will be outlined in your manual. I have an OM621 motor in a 1960 190Db. The owners manual calls for SAE 30 oil. The quantity I can't remember offhand. Good Luck, Eric.