Flat Face Hydraulic Coupling Leak Fix. VMC Mower flat face coupler developed a leak when unhooked from the Sany SY35U excavator. Replacement of the coupler solves the problem. #youtubechannel #youtube #youtuber #youtubers #subscribe #youtubevideos #excavator #sany #repair 00:00 Intro 00:19 Coupler Problem 00:44 VMC Flat Face Leak 01:25 Moving Excavator for Repair 03:39 Bucket Removal 04:10 Attaching the cutter 05:16 Transport to Shop 06:56 Leaking Coupler 07:23 New Coupler 08:06 Coupler Removal 08:26 Coupler Install 10:09 Coupler Hookup 10:53 Leak Test 12:23 Final Check of Fittings