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Sat, March 02 2024, 05:05Login ] [ Contact Forum Admin ] [ Main index ] [ Post a new message ] [ Search | Check update time | Archives: 12345678910 ]

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Date Posted: - Friday - 11/ 8/19 - 3:35pm
Author: Caleb Bloxham
Subject: Gearbox replacement

Gday team

Had a whoopsie with the gearbox heat exchanger zinc and she seized up.

The only guy in my country that deals with them has declared it stuffed.

I have a m31 with perkins 4.107 the gearbox was a borg warner velvet drive 71c 1:1 ratio.

Has anyone else replace this gearbox with something else? Any tips and tricks on getting something to fit with minimal hassle would be great.



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[> Gearbox replacement -- Caleb Bloxham, - Thursday - 05/28/20 - 7:45pm

Well in the end we had the gearbox rebuilt for $4.5k NZD.

Getting the engine out wasn't too much hassle but getting it back in was.

In the end I rigged up a shackle that connected the mizzen and main halyards, then tied it back to the mizzen, used to lifting blocks off the shackle. Once the engine was lifted i had my mate on a big stick levering the engine backwards from the front end as I slowly lowered it onto the mounts.

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