Volvo Penta 75 Manual
38 Seawater system. Flush cleaning and corrosion inhibition When laying up during winter (or out of season), the seawater system must be flushed clean of all depos- its and salt crystals. It must also be treated to pro- tect against internal corrosion. Risk of water penetration. This work must be carried out with the boat on dry land.
Approaching or working on a running engine is dangerous. Watch out for rotating components and hot surfaces. Glycol is harmful to health (dangerous if ingested). Collect used and drained glycol and take it to a proper disposal site. Open the seawater cock (1). Disconnect the hose at the seawater cock (1) or on the outlet side of the sea water filter (2) (if the engine is equipped with such a filter).
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Place the free end of the hose in a bucket of fresh water. Fill the system. The impeller will be damaged if it runs dry.
Check that there is nobody close to the propeller and there is nothing that will get splashed behind the exhaust outlet. Set the control lever to neutral. Start the engine. Let the engine run at fast idle for a few minutes.
Stop the engine. Fill the bucket with an anti-freeze mixture (50% Volvo Penta glycol and 50% fresh water). Collect the mixture from the system in a suitable contai- ner. Start the engine and let it idle.
Stop the engine just before the mixture is finished. Repeat as necessary until the entire system has been flushed with the mixture. Reconnect the hose. This mixture prevents corrosion and protects against freezing. It must be left in the seawater system throughout the laying-up period.
Drain the mixture just before the boat is launched. 2 1 Maintenance: Seawater system 7742957 - Downloaded from www.volvopenta.com 11:33:23.
Volvo Penta Service Locations
Hello, I'm new to this forum so first of all 'hi' to everyone! I have a 13 ft boat with a Volvo Penta 75, 7.5 hp longtail outboard engine. It's my first one and I am checking it up for sailing it in autumn. The engine has been fixed by the previous owner (?) on a Honda mount, so I don't have more serial nr data. I think it might be 1980s. The engine works just fine but I would like to find a manual (or online links) for maintainance.
I have searched this board but couldn't find one, however, maybe I overlooked posts already answering this question. All info on this engine 'd be most welcome. Many thanks in advance! 82 mercury zephyr owners manual. /Kit Volvo Penta 75 (7.5 Hp) ouboard Manual.