[DeTomaso] Torque on ZF pan

[Tomas Gunnarsson]

I interpret this as a misprint. 1.5 kpm is appr. 14.6 Nm and 1.7 kpm is appr. 16.6 Nm.

Tomas

----- Original Message ----- 
From: "Asa Jay Laughton" <asajay at asajay.com>
To: <detomaso at realbig.com>
Sent: Sunday, August 31, 2008 6:59 AM
Subject: [DeTomaso] Torque on ZF pan


> So I have the new ring gear bolts installed and safety wire.  My Dad 
> used to work on airframes and powerplants for a few different airlines 
> so I had him come over and make sure I was doing things in the best 
> manner possible.  I also had a copy of Jack DeRyke's last article on the 
> subject.  Between the two, I no have the job all done.  Now to put the 
> cover back on.
> 
> With my trusty electronic copy of the ZF manual, I open to page 27 and 
> just get confused.  There are two sets of bolts that need to be 
> installed: the long tension bolts and the pan bolts proper.  Paragraph 3 
> talks about securing the cover, but doesn't have a torque spec.  In 
> paragraph 4, it talks about the tension bolts and lists two specs:
> 
> Mt = 1,5 - 1,7 kpm,  Nm = 14,6 - 16,6 kpm
> 
> So what does Mt mean versus Nm?  I ask because if I've done my math 
> right, it's the difference between 12 ft.lbs and 120 ft.lbs.  I know the 
> cover bolts won't withstand 120 without stripping the threads, but the 
> tension bolts might.  But then what is the Mt spec?  At 12 ft.lbs it 
> would seem that is a good spec for the cover bolts.
> 
> Anyone care to un-confuse me?
> 
> Thanks,
> Asa Jay
> 
> 
> 
> Asa Jay Laughton, MSgt, USAFR, Retired
> 
> & Shelley Marie
> Spokane, WA
> 
> 1973 Pantera L 5533
> [ASASCAT]
>    
> ******************************     
> http://www.asajay.com
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>  
> 
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