How do you drain raw water from a closed cooled engine?

How do you drain raw water from a closed cooled engine?

Draining the Raw Water Fully drain the raw-water side of a closed-cooled engine, including the manifolds, seawater pump and heat exchanger. Drain-plug locations vary by engine, so check your manual. Disconnect the raw-water inlet hose, then remove the drain plugs. Use a stiff wire to clear any sediment blocking the drain.

How do you drain a MerCruiser 350 MAG engine?

Engines like the MerCruiser 350 MAG MPI offer air-activated drainage using a supplied hand pump. Lock it onto the actuator fitting and pressurize the system until the green indicators extend. (No need to remove drain plugs; the air should purge the water.

Which is the correct valve to stop an air cylinder in mid stroke?

A two position, single solenoid, spring return valve is sufficient for this operation. About 90% of air circuits use this type of valve. To stop an air cylinder in mid-stroke, use the 3-position valve shown in Figures 8-19 through 8-21.

Where is the plug to drain the engine block?

Don’t bother trying to drain the block. Put the hose back on, fill it with hose water, run the engine to mix it up and drain it. Do that a couple of times to flush the old coolant out. When your ready to fill the system, pour in the required amount of straight antifreeze. Top off with distilled water and it will mix in the engine.

What to do if coolant is draining out of engine block?

Straighten a paper clip and gently poke into the engine through the drain bolt hole to make sure that no sludge or debris has blocked the hole and prevented the rest of the coolant from draining. When you are certain that there is no more coolant to be drained, replace the engine block drain bolt.

Where are the drains located on a car?

Your engine may have one drain or two, it will depend on the engine model and most likely will not be listed in the documentation included with your vehicle. You will have to look for the drains. The drains will be located, one on each side of the engine, in mirror locations.

How can I get fluid out of my engine block?

Place a drain pan under the drain bolt and remove the blot with a socket wrench. Let the fluid drain until it is not running out of the block anymore. Straighten a paper clip and gently poke into the engine through the drain bolt hole to make sure that no sludge or debris has blocked the hole and prevented the rest…