Today's Message Index:
----------------------
 
     1. 11:47 AM - Refitting the fly wheel (=?utf-8?Q?J=C3=B3hann_Gestur_J=C3=B3hannsson?=)
     2. 04:39 PM - Re: Refitting the fly wheel (Roger Lee)
 
 
 

Message 1


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Time: 
11:47:34 AM PST US
Subject: 
Refitting the fly wheel
From: 
=?utf-8?Q?J=C3=B3hann_Gestur_J=C3=B3hannsson?= <joeing701@simnet.is>
      
      
      
      Hello Rotax owners.
      I am about to re-fit the fly wheel on my Rotax 912 uls engine after installing
      a new stator assy.
      The heavy maintenance manual states that it should be tightened to 45 Nm + 180
      deg. Angle to rotation. This should be around 1062 in/pounds. This is a lot for
      only one stop bolt on the crankshaft. Will this procedure be safe for the crankshaft
      not to twist under all this force?
      
      Regards,
      Johann G.
      
      Sent from my iPad
      
      

Message 2


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Time: 
04:39:39 PM PST US
Subject: 
Re: Refitting the fly wheel
From: 
"Roger Lee" <ssadiver1@yahoo.com>
      
      
      This is about 88 ft/lbs. The one on the PTO side inside the gearbox gets around
      149 ft/lbs. It isn't so bad when you compare. 45nm is 398 in/lbs or 33 ft/lbs.
      I'm not 100% sure what the extra 180 degree turn would yield, but is common
      on head bolts and the like to apply a certain torque followed by a certain amount
      of degree turn.
      
      --------
      Roger Lee
      Tucson, Az.
      Light Sport Repairman - Maintenance Rated
      Rotax Repair Center - Heavy Maint. Rated
      Home 520-574-1080  TRY HOME FIRST
      Cell 520-349-7056
      
      
      Read this topic online here:
      
      http://forums.matronics.com/viewtopic.php?p=418638#418638
      
      








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