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Overview
A practical DIY walkthrough of the complete hydraulic fluid and filter service on a Branson 3520R, showing the actual drain plug removal, screen pull and cleaning, filter swap with ring lubrication, and refill using Traveler universal hydraulic fluid from Tractor Supply. The sight-glass fill level and vent check get real attention. Best for owners doing this job themselves for the first time and wanting to see the steps in sequence.
Posted by the DIY Video's channel, which appears to be an owner sharing their own hands-on maintenance experience.