[Ducati] Removing Crankshaft

[Barry]

 I'm going shopping tomorrow for the puller and dial indicators. I'll use
your advise when extracting this gear. I'm a music teacher and I need my
fingers. I'll give it a go tomorrow night.

Barry


On 1/1/08 4:06 PM, "Rich Roberts" <bigredxrunner at yahoo.com> wrote:

> Good point on right side timing gears. Friend actually broke finger trying to
> get that gear off when puller and gear went flying once. I think what works
> well is to put on puller, and it may take 10-12 ton puller, lube profusely
> with something like PB Blaster, put tension on gear, wrap well with a heavy
> cloth, leave it and come back in the morning. I have had this work a couple of
> times, using a shipping blanket to catch all when it finally lets go. I think
> the idea of steady tension over time is what works. It is a major bite in the
> butt for most and I have an assrotment of gear pullers to use. it took the
> biggest three jaw I had to do it. Pullers bought at Sears. Rich
> 
> ducati5555 at aol.com wrote:
> I removed the crank on my 94 M900 about 5 years ago, right after I bought the
> bike.? It only had 4,000 miles on it and I found bits and pieces of the
> plastic bearing cage in my oil when I changed it.? I was new to ducati and am
> grateful to Alex who diagnosed the problem immediately.? I didnt know what the
> pieces were initially when I changed the oil.
> 
> I proceeded to pull the engine out of the bike and split the cases.? Its been
> awhile but I remember needing a?gear puller to remove some of the gears.? The
> one on the right side of the engine was especially difficult as it was held on
> with a keyway and a taper.? The taper had locked and it took a few days to get
> the gear off.? 
> 
> To get the preload on the bearings correct when installing, I used a long
> piece of ground flat stock with a hole drilled through it.? I placed the flat
> stock across the? edge of each case and measured down to where the bearing
> seats.? I used a long depth?micrometer to take?these measurements.? ?I then
> got a large caliper to measure from shoulder to shoulder on the crank shaft.?
> I then knew how much to shim the crankshaft to get the correct preload.? (The
> preload is calculated by the amount of interference).?
> 
> I then heated up the cases and pressed in the bearings and then assembled the
> cases around the crank shaft.? It was my first time doing this on a Ducati,
> although I had done once before on a dirt bike.? Its lasted over 37,000 miles
> since then and still running strong, ?so I am pleased with how it all turned
> out.
> 
> Mike
> 94 M944
> 97 916
> 99 ST4
> 
> 
> 
> 
> 
> 
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