older 15sf flushing question

503ben

Recruit
Joined
Jun 5, 2015
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1
Just got older 15sf.
The flushing puzzles me.
The normal rectangular inlet is NOT present.
There ARE 2 small holes about the size of a bb on each side just above the cave plate. Am I missing something?
I can't imagine this is the source if cooling.
Any ideas?? Thanks
 
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