Some of the steps of the restoration of JD1490 are shown in the following photographs


As can be seen, the sump oil was not too good!



The oil filter had also seen better days too....



As replacement felt filters were impossible to obtain it was decided  to switch to a paper element



However, in the end a new base was machined to take a screw on canister oil filter. This is completely hidden by the original felt oil filter cover.

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