Ranger 21 EC, 2013, ENGINE FLUSH

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Ranger 21 EC, 2013, ENGINE FLUSH

Postby Stewartn on Sun Jul 14, 2019 8:25 am

Would like to use the Fresh Water flush T for back flushing the raw water intake. With the engine Off and sea cock open, may I attach garden hose to clear any debris in the raw water intake? Pls confirm this will not damage the raw water pump or impeller. As always, Thx.
stewartn@optonline.net
Stewartn
 
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Re: Ranger 21 EC, 2013, ENGINE FLUSH

Postby bob daily on Sun Jul 14, 2019 8:47 am

Don't do it! Unless you have a way to isolate the engine, you have a possibility the water pressure might hydro locking your motor!
A better way is to disconnect line at the T , and block with a fitting you can get at any hardware store.
This will eliminate any chance of water damage to your motor,
You could also put a valve in line for future use.
Bob
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Re: Ranger 21 EC, 2013, ENGINE FLUSH

Postby Capt'nKarl on Sun Jul 14, 2019 6:06 pm

Ditto Bobs response! DO NOT FLUSH THE RAW WATER COOLING SYSTEM WITH GARDEN HOSE PRESSURE! Use my 5 gallon raw water flush method. It’s safe effective and does the job.
Cheers!
Karl
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