Brake housing drain plug delete? Jinma 284 2007

The plugs should be left in to prevent ingress of dust, moisture, and dirt. I have similar plugs in dry compartments on my dozer and include inspecting them as a regular maintenance item every 50 hours. You could also install a wire gauze filter, but that would run the risk of being knocked off.

Bob could a small enough hole be drilled in the plug as a easy visual aid to tell if oil was present?

I see now(dummy) that this is a 284 tractor , I assume it has dry brakes . Does this tractor use a band brake or a shoe?

DavidPrivett wrote:

Bob could a small enough hole be drilled in the plug as a easy visual aid to tell if oil was present?

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A hole that small will plug up with the first hint of 80w/90 gear oil and a little bit of dust. It’s just sound practice to pull the plugs periodically for inspection, and while you’re under there do a visual inspection for loose nuts and bolts. It’s responsible ownership.