robodrill leaking dirty oil. I can't determine where it's leaking from(02)

robodrill leaking dirty oil. I can't determine where it's leaking from(02)

Image gallery: Dymodrill Water Leak

MILWAUKEE 2 IN. DYMODRILL CORE DRILL WITH ATTACHMENTS IN BUCKET MILWAUKEE 4004 DYMODRILL WITH COREBORE DIAMOND DRILL BIT robodrill leaking dirty oil. I can't determine where it's leaking from