TH350 rebuild tech

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If the piston is too low, the bottom flat steel plate can drop below the grooves in the drum and bind up the piston. You can leave out center cushion seal if dual feed is used.  
 
If the piston is too low, the bottom flat steel plate can drop below the grooves in the drum and bind up the piston. You can leave out center cushion seal if dual feed is used.  
 
   
 
   
[[file:TH350directpistons.jpg]]
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[[file:T-350_direct_piston.jpg]]
  
  
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An even heavier duty direct drum/sprag assembly is available. It uses a 36 element sprag and a machined drum, it will withstand more torque than a stock unit or one w/just a hardened race. These units can cost upwards of $300.00.
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An even heavier duty direct drum/sprag assembly is available. It uses a 36 element sprag and a machined drum, it will withstand more torque than a stock unit or one w/just a hardened race. These units can cost $300.00 or more. Several companies offer these HD direct drums.
  
[[File:ATI direct drum and sprag.jpg|thumb|300px|left|ATI TH350 direct clutch drum with HD 36 element sprag]] <br style="clear:both"/>
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[[File:T-350_HD_drum_sprag.jpg|thumb|300px|left|T-350 direct clutch drum with HD 36 element sprag]] <br style="clear:both"/>
 
   
 
   
  
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The parts go on the direct drum.
 
The parts go on the direct drum.
  
[[file:TH350directdrumnsprag.jpg]]
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[[File:T-350_HD_drum_sprag.jpg|thumb|300px|left|T-350 direct clutch drum with sprag, race, retainer]] <br style="clear:both"/>|thumb|300px|left|T-350 direct clutch drum with HD 36 element sprag]] <br style="clear:both"/>
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Assembled direct drum sprag and race with retainer.
 
Assembled direct drum sprag and race with retainer.
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[[file:TH350intspragassemb.jpg]]
 
[[file:TH350intspragassemb.jpg]]
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[[File:TH350directpistonseals1.jpg|thumb|400px|left]] <br style="clear:both"/>
 
[[File:TH350directpistonseals1.jpg|thumb|400px|left]] <br style="clear:both"/>
 
  
 
==Dual feeding==
 
==Dual feeding==

Revision as of 09:42, 29 March 2012

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