Results 1 to 6 of 6

Thread: NP200 bearing preload?

  1. #1
    Join Date
    Jan 2004
    Location
    New Haven, CT
    Posts
    1,954

    Default NP200 bearing preload?

    Hello,
    I'm replacing the seals in my NP200 and I'm wondering what the best way is to set the bearing preload.
    Thanks,
    MIkel

  2. #2
    Join Date
    Sep 1998
    Location
    North Central Wisconsin
    Posts
    11,520

    Default

    The manual lists some of the yokes seperately but the procedure for all is the same, as follows:

    (5) Adjust pre-load on bearings (fig 12-7) as follows:
    (6) Place bearing retainer on a suitable stand or in the open jaw of a vise, in a vertical position, so that the output shaft is free to rotate.
    (7) Turn shaft with a torque wrench until bearings roll smoothly.
    (8) Check pre-load on bearings with the wrench in motion. If the pre-load on bearings is not within 15 to 30 inch-pounds limit, (without oil seal) add or remove shims, as required, to obtain correct preload.

    NOTE
    Correct bearing pre-load is very important. It will assure quiet operation, prevent oil seal leakage and provide proper bearing life.



    Figure 12-7. Checking pre-load on output shaft bearings.

    1 Torque wrench
    2 Companion yoke
    3 Bearing retainer
    4 Vise

  3. #3
    Join Date
    Jan 2004
    Location
    New Haven, CT
    Posts
    1,954

    Default

    Thank you Jon. I'm replacing one of the yokes with a 1350 one, so the shim depth will be different. Where do I get shims from?

  4. #4
    Join Date
    Sep 1998
    Location
    North Central Wisconsin
    Posts
    11,520

    Default

    Dont know on that bt they might be like some of the other parts in the NP200...they might interchange with the NP205 ones...

    Hopefully someone who knows will be along soon...

  5. #5
    Join Date
    Jul 2007
    Location
    Rhoadesville, Virginia (five miles from no place)
    Posts
    5,125

    Default

    If you are just changing the yoke, there shouldn't be any need to touch the shims, unless you are just doing it as a matter of course. If you are also replacing the bearings, then you will have to reset the bearing preload.

    The shims are located between the bearings on top of the spacer in there on the shaft. When I did my transfer case, I used pinion shims from a Dana 44 I had left over from a previous job. They were the same I.D. but I had to trim the O.D. slightly.
    "Free advice is worth what you pay for it."™

  6. #6
    Join Date
    Jan 2004
    Location
    New Haven, CT
    Posts
    1,954

    Default

    Thank you guys.

Similar Threads

  1. ron : NP200 Preload Setting
    By PseudoZone in forum PseudoZone - Open Archive
    Replies: 5
    Last Post: November 11th, 2009, 05:45 AM
  2. looking for pto bearing source
    By Duane in forum Stock Tech
    Replies: 3
    Last Post: July 17th, 2009, 10:27 PM
  3. PTO shaft bearing
    By Duane in forum Stock Tech
    Replies: 3
    Last Post: April 26th, 2009, 09:10 PM
  4. PTO shaft bearing
    By airborne in forum Open Discussion
    Replies: 6
    Last Post: April 11th, 2009, 07:56 AM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  


Site Upgrade, Design Modifications & Administrative Support by:
Palm River Enterprises LLC, IT Solutions
President: Tom King, User ID=teking
This site is owned and operated by:
M715 Zone, LLC
President: Jon Schmidt, User ID=brute4c


If you have any suggestions, comments, problems or questions, contact:  brute4c@m715zone.com
Use of this site means you understand and agree to our TERMS OF USE

Copyright Notice:
This web site is subject to the protection of the copyright laws of the United States and other countries. Except for Personal Use Only, you may not modify, copy, distribute, transmit, display, perform, reproduce, publish, license, create derivative works from, transfer, or sell any information obtained from any part of the M715 Zone website without the prior written permission of M715 Zone, LLC. Written permission can only be obtained by contacting brute4c@m715zone.com

Copyright 1998-2024