What is the lever under the seat on a 8N?

The lever you are refering to is to disengage your pto shaft.

Do you have to cut new valve seats?

Valve seats should always be cut for new valves. A Serdi is the best way to do this, though an experienced machinist can do an alright job with a hand cutter like the Neway. You should never lap coated valves such as titanium valves or KW stainless steel valves, as it can ruin the coating.

Are valve seats replaceable?

Take the original valve seat to the store to get the right replacement part. Be aware, however, that not all valve seats are designed to be removed, so be sure to inspect inside the faucet body. If it has a square or hexagonal hole or a slot for a screwdriver, the seat can be replaced.

How do I know if my valves are seating?

So to test the seat, take a new valve–or one that you are certain is good–install it in the guide, give it a good push and see if it bounces back off the seat. A bad seat tends to damp the action, so the valve will feel like it sticks in the seat.

How do you use a 3 point hitch on a Ford 8n?

Operating the PTO and Three-Point Hitch Push in the clutch and engage the PTO lever. Look over your shoulder to check that the PTO is spinning. Press the hydraulic pump lever back to raise the three point hitch. Put the lever in “Neutral” to maintain the hitch’s position.

When should you recut a valve seat?

If the valves are worn at all, then the seats need to be re-cut for sure. If the guides are worn, you will want to replace them before installing your new valves or else the new valves will wear out fast.

Why are three angles cut into the valve seat?

It is to ease this direction change and to make high-speed flow fill more of the gap between valve and seat (whether the valve is lifting or closing) that production engines are usually delivered with a “three-angle valve job.” The three angles cut are 30, 45, and 60.

https://www.youtube.com/watch?v=mijcJ29OOAU