780 Final Drives.

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davidbrown880
Posts: 67
Joined: Fri Mar 30, 2012 8:05 pm
Location: Eire

780 Final Drives.

Post by davidbrown880 » Fri Jul 24, 2020 5:10 pm

Evening all.Could somebody tell me what the holes on top of the 780 final drives are for?They have a plastic bung fitted.The 880 hasn't got them! Cheers.

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db2d
Posts: 2406
Joined: Fri Feb 24, 2012 10:01 pm
Location: Monmouthshire

Re: 780 Final Drives.

Post by db2d » Fri Jul 24, 2020 9:22 pm

Without actually seeing the location of the holes I think they are for the stabiliser bars. The reduction housings are identical and can be assembled to suit either side.

tomryall
Posts: 195
Joined: Sun Jun 03, 2007 4:53 am
Location: canada

Re: 780 Final Drives.

Post by tomryall » Sat Jul 25, 2020 1:10 am

if you look underneath you should see another hole , it is a drain hole for any oil that might leak into the brake drums . the reason for the top hole is ,left and right housings are the same , the side that is top on the left would be on the bottom on the right.

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cobbadog
Posts: 1106
Joined: Tue Oct 11, 2011 6:18 am
Location: beautiful Coopernook NSW. near Taree. NSW. Australia

Re: 780 Final Drives.

Post by cobbadog » Sat Jul 25, 2020 12:25 pm

It would help to see a picture of what you are describing. Yes there should be a drain hole at the bottom of the housing below where the brakes are but there should be the same hole on both sides.
Hols on the top of the housing could be anywhere so a pic is best.

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ollek
Posts: 4459
Joined: Tue Apr 10, 2012 1:20 pm
Location: South West Finland

Re: 780 Final Drives.

Post by ollek » Sat Jul 25, 2020 12:39 pm

cobbadog, read what tomryall wrote. There is a drain hole on top and in the bottom of the wheel reductiuon on a 780 when the reduction is in place. This is because the 780 redaction housing can be used on both the right and the left hand side. The 880 reduction housing is different to the 780 housing. The hole that ends up at the top when the 780 reduction is fitted, is plugged with a plastic plug to prevent dirt from getting in. No pictures is needed, the system is clear to most.

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davidbrown880
Posts: 67
Joined: Fri Mar 30, 2012 8:05 pm
Location: Eire

Re: 780 Final Drives.

Post by davidbrown880 » Sat Jul 25, 2020 5:02 pm

Thanks fellas,that explains that!

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