My guess is that this has been placed there while working on the engine so as not to damage the core. I do the same with corrogated cardboard as it is easy for a spanner to slip.
I learnt the hard way after putting a screwdriver through a rebuilt rad on my bus, had to go cap in hand back to the repair shop and get it soldered up and re pressure tested.
1914 Dennis Lorry
in Pre WW2 vehicles
Posted
I learnt the hard way after putting a screwdriver through a rebuilt rad on my bus, had to go cap in hand back to the repair shop and get it soldered up and re pressure tested.