Blakeslee F-20 mixer restore… sort of…
Hello. This my first post here. I was quite excited to find a forum that houses some knowledge on food processing equipment. I have several beautiful older machines that I inherited. I plan to care for them as best I can.
I recently uncovered an old Blakeslee model F-20 mixer that I plan to bring back into service. The unit has been in the family for a very long time but it has sat idle for at least 20 years. I recall years ago it always ran perfectly. Upon picking it up a few days ago I ran the power very briefly in first gear and it sounded as smooth as ever.
I was lucky enough to find this old manual which details the maintenance and parts quite well. The first thing I plan to do is to replace the gear oil…. run it for a few minutes and then replace the oil again. I imagine after all these years sitting idle it must be pretty gunked up in there.
If you look at page 3 it recommends using the following oil:
“When adding or changing transmission oil use #50 heavy duty oil (Hydrol Master 500 or equivalent) “
3 pints — M-5-3330 Trans.
4 pints — M-5-1505 Trans.
I’m a bit confused by this. I’m hoping someone can clarify:
Why would it recommend 3 pints of one type of oil vs 4 pints of another? Would the capacities not be the same regardless?
Is it possible there is a second location where oil needs to be replaced in addition to the one illustrated on page 14?
I’m also not familiar with these types of oil. M-5-3330 and M-5-1505. I’ve worked with other types of gear boxes. Do these recommended oils have equivalents or can I simply use a standard EP 80w90 such as this?
I’m also curious… I imagine that parts for a machine like this are long gone out of circulation. In the event I ever require something like a seal (or something)… Is anyone here aware of a source for such parts?
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