Goodyear 5.00 X 5 Wheel Assembly Torque?

Discussion in 'Maintenance Bay' started by farmrjohn, Jan 11, 2019.

  1. farmrjohn

    farmrjohn Pre-Flight

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    It's time to replace the nose tire mounted on a Goodyear 5.00 X 5 wheel (pn 9532926). I don't have a manual for the wheel assembly itself and the airplane maintenance manual doesn't list the torque for the three bolts holding the halves together. Anyone know the torque setting?
     
  2. Dan Thomas

    Dan Thomas Final Approach

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  3. wilkersk

    wilkersk Cleared for Takeoff

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    Honest question here. It looks like those are AN-4 bolts with AN363 nuts. Why wouldn't that be standard torque (50-70in/lbs + run-on)?
     
  4. Dan Thomas

    Dan Thomas Final Approach

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    I suppose they have their reasons. The bolt is in tension and they might have found that with the pressure in the tire ahgainst all those square inches, the wheel halves would fret if the bolts were set at standard torques. AC 43.13-1B lists the maximum torque for those bolts and nuts as 100 inch-pounds for the 1/4" and 225 in-lb for the 5/16. Table 7-1 on Page 7-9.

    Cleveland's manual is here: https://www.google.com/url?sa=t&rct...M0001-12.pdf&usg=AOvVaw3jiJvNhzHhCs5LJVolTJjZ

    Go to Appendix A and start at page A-8.

    I often found those bolts WAY overtorqued and would replace them. Looking at them under a magnifier you'd see the threads pulled and distorted, and the bolt stretched so much that it was necked at the thread/shank junction.
     
  5. weirdjim

    weirdjim En-Route

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    I personally use the TFAR test.

    (That Feels About Right).

    :cheers:

    Jim
     
  6. farmrjohn

    farmrjohn Pre-Flight

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    Closely related to the TLAR method (That Looks About Right).

    The wheels call for 83 inch pounds-I'd looked at the wrong place on the rims.
     
  7. Tom-D

    Tom-D Taxi to Parking PoA Supporter

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    It's written on the wheel.
     
  8. SoCal RV Flyer

    SoCal RV Flyer Pattern Altitude

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    And the German specification: Gutenteit
     
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