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Thread: Riva washers split in half
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02-24-2011, 08:58 AM #1
Riva washers split in half
Has anyone had a riva washer split in half.it's the washer that is closest to the housing split.i am using a rude 3 and in a course of three months i have split 3 of them
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02-24-2011, 09:14 AM #2
Yes i have heard of Rivas splitting,BUT very few of them.What are you running/setting your slip to with the 3 Rude??
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02-24-2011, 09:25 AM #3
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02-24-2011, 11:48 AM #4
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02-24-2011, 12:16 PM #5
Mine did it. I blamed it on very old oil, and very rough water.
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02-24-2011, 12:55 PM #6
Had gold ones come apart from my shaft spinning placing the oil holes out of alignment. You can also consider changing over to the new rotax washers that come with all the new OEM kits. I know of no reports of anyone having issues with these yet. THey are a steel grey in color as pictured. Lets hope they are better
Attachment 230482Attachment 230483
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02-24-2011, 12:58 PM #7
The slip is at 20lbs and it's the 08 and up series.i have another friend who just called me with had the same problem. Question when i torque the small gold nut is it ok torque it to 20lbs or does it has to be 22lbs.and when you said check that the oil holes in the shaft line up.any pics please
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02-24-2011, 01:04 PM #8
the nut needs to be torqued to 22 ft lbs.
When you remove the gear there is an oil hole in the shaft. There is a sleeve pressed over the shaft and if that oil hole in the shaft doesn't line up with the hole in the sleeve then you will have clutch problems.
Another important tip.... ALWAYS torque the impeller nut down first when assembling a supercharger. If you torque the clutch side first you risk misaligning the oil hole
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02-24-2011, 01:59 PM #9
If you are setting the slip to 20 lbs you are walking a fine line and it is likely your shaft twisted and the holes dont line up. What rpm's do you turn? I always set big chargers up at about 18 ft lbs and have never had an issue with slip unless turning more than 9000 rpms. Whay year is the engine?
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02-24-2011, 01:59 PM #10
I donīt get it with that sleeve...
How can the oil hole be mis alligned ? The oil hole in the shaft is drilled driectyl into the shaft. As fare as I can see there is no sleeve between the shaft and the gear ? You think of that surface were the needle rollers drives on right ?
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