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metalmick
metalmick

Posted: Mon Oct 20, 2008 10:04am

Post Subject: borg warner gearbox

i have this gearbox fitted to a perkins 4108. gears sometimes stop the engine when engaged.oil over heated in gearbox and came out the top of gearbox please can you advise what to do .

Tony-B
Tony-B

Posted: Mon Oct 20, 2008 10:21am

Post Subject: borg warner gearbox

Unless you have something around the prop or a shaft/gland/bearing that is seizing up this sounds like a bad case of gearbox slipping - but unless the heat was sufficient to seize the box I have no idea why the engine was stalled. I assume that you are using automatic transmission fluid in it and NOT engine oil. It would be a good idea to make sure the gearbox oil cooler is not blocked. Check both the water side and the oil side. If it has a reduction box fitted to the back I think this might need a cold water feed through an internal water jacket. If one of the internal brake bands has disintegrated loose chunks of friction material may cause the box to jamb and/or create excess friction and overheating. Unless you are an experienced DY engineer I think it would be better to leave any box overhaul to professionals. Look in the back of the magazine for advertisers. Tony Brooks

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