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Old November 11th, 2009, 02:45 AM
PseudoZone PseudoZone is offline
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Default ron : NP200 Preload Setting

NP200 Preload Setting
Post by ron on Aug 2, 2006, 6:14pm


I recently stripped out my transfer case to change the final drive to
> the brake output shaft position, I changed all the bearings in the
> transfer case and now I'm having great difficulties in setting the
> preload on the brake output shaft and rear axle output shaft.
> I have tried to follow the procedure in the manual that I downloaded
> from your website, and I'm obviously doing something wrong, do you
> have any added advice?. So, that I can set this preload.
>
> Thanks & regards,
> Ron
>
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Old November 11th, 2009, 02:45 AM
teking teking is offline
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Re: NP200 Preload Setting
Post by teking on Aug 3, 2006, 12:38pm

Just curious..... when I moved my final drive all I did was .... move the final drive by installing the yoke on the Ebrake drum. Why did you have to do all that other
"stuff". Or did you do it NOT in relation to the final drive move?

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Old November 11th, 2009, 02:45 AM
PseudoZone PseudoZone is offline
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Re: NP200 Preload Setting
Post by ron on Aug 3, 2006, 5:53pm

, I completely sstripped out my transfer case cos the bearings, seals, etc needed to be changed.
I dont neeed the handbrake because I've changed theengine and gearbox on my truck to Mitsubishi. My problem is when I'm assembling the brake output shaft/Rear Axle shaft I cannot for some reason preload the bearings??Hint: Direct Support and General Support Maintenance Manual chapter 12 fig.12-7, checking preload on output shaft bearings.
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Old November 11th, 2009, 02:45 AM
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Re: NP200 Preload Setting
Post by jeepistdougiowa on Aug 3, 2006, 6:09pm

Did you read step 8 outlined below figure 12-7?

You're just trying to tighten the assembly until you have 15-30 inch pounds of drag as it turns.
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Old November 11th, 2009, 02:45 AM
teking teking is offline
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Re: NP200 Preload Setting
Post by teking on Aug 3, 2006, 7:41pm


Quote:
, I completely sstripped out my transfer case cos the bearings, seals, etc needed to be changed.
I dont neeed the handbrake because I've changed theengine and gearbox on my truck to Mitsubishi. My problem is when I'm assembling the brake output shaft/Rear Axle shaft I cannot for some reason preload the bearings??Hint: Direct Support and General Support Maintenance Manual chapter 12 fig.12-7, checking preload on output shaft bearings.



Oh now I understand I could have sworn you said ....


Quote:

I recently stripped out my transfer case to change the final drive to
> the brake output shaft position,
  #6  
Old November 11th, 2009, 02:45 AM
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Re: NP200 Preload Setting
Post by hiker on Aug 3, 2006, 9:15pm

The preload is checked WITHOUT the oil seal installed. The yoke nut must be torqued to spec. Also, the spacer, and various shims that are on the shaft between the bearings are what determines the preload. More shims allows the the shaft to be "looser" , less preload; conversely, less shims or thinner shims puts more of a preload on the bearings. the force to rotate the shaft should be in the inch pound range. Once you get the proper preload, remove the U joint flange and install the seal, reinstall the flange and torque the nut to spec.

Robert-CA
 

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