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Parker Brake Torque Plate

 
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garyvanremortel(at)gmail.
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PostPosted: Wed Feb 19, 2025 5:12 pm    Post subject: Parker Brake Torque Plate Reply with quote
I can't believe I haven't seen others having a problem similar to mine.  Parker-Cleveland part 075-00800 Torque Plate is cold rolled steel that deforms over a period of time because it is not hardened or is just too weak for the application. I replaced a badly bent one some years back and  they are getting pricey new $600, and used $200.  I straightened mine this time and had doublers TIG welded on to triple their rigidity in the weak region. Original left, modified right. 

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sharkey(at)sover.net
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PostPosted: Thu Feb 20, 2025 4:41 am    Post subject: Parker Brake Torque Plate Reply with quote
Just curious - in what way was it deforming? Not clear from the pictures. What should we be looking for at the Condition Inspection?

Best regards
Jim Sharkey

Quote:
On Feb 19, 2025, at 8:11 PM, Gary VanRemortel <garyvanremortel(at)gmail.com> wrote:

I can't believe I haven't seen others having a problem similar to mine. Parker-Cleveland part 075-00800 Torque Plate is cold rolled steel that deforms over a period of time because it is not hardened or is just too weak for the application. I replaced a badly bent one some years back and they are getting pricey new $600, and used $200. I straightened mine this time and had doublers TIG welded on to triple their rigidity in the weak region. Original left, modified right.
<IMG_20250219_170339944.jpg><IMG_20250219_170316749.jpg>


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garyvanremortel(at)gmail.
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PostPosted: Thu Feb 20, 2025 7:46 am    Post subject: Parker Brake Torque Plate Reply with quote
Deformation of the plate in the area of the caliper pin ferrules.  This causes the plate to twist and keep the pads engaged with the disk.  The plate must remain flat and the ferrules parallel to one another so the caliper pins can move freely.  You can see in the modified plate that I have tripled the thickness of the plate in the critical area by welding steel doublers. 

On Thu, Feb 20, 2025, 4:42 AM Jim Sharkey <sharkey(at)sover.net (sharkey(at)sover.net)> wrote:

Quote:
--> RV6-List message posted by: Jim Sharkey <sharkey(at)sover.net (sharkey(at)sover.net)>

Just curious - in what way was it deforming?  Not clear from the pictures.  What should we be looking for at the Condition Inspection?

Best regards
Jim Sharkey

> On Feb 19, 2025, at 8:11 PM, Gary VanRemortel <garyvanremortel(at)gmail.com (garyvanremortel(at)gmail.com)> wrote:
>
> I can't believe I haven't seen others having a problem similar to mine.  Parker-Cleveland part 075-00800 Torque Plate is cold rolled steel that deforms over a period of time because it is not hardened or is just too weak for the application. I replaced a badly bent one some years back and  they are getting pricey new $600, and used $200.  I straightened mine this time and had doublers TIG welded on to triple their rigidity in the weak region. Original left, modified right.
> <IMG_20250219_170339944.jpg><IMG_20250219_170316749.jpg>




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sharkey(at)sover.net
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PostPosted: Thu Feb 20, 2025 8:29 am    Post subject: Parker Brake Torque Plate Reply with quote
…..many thanks!
Quote:
On Feb 20, 2025, at 10:45 AM, Gary VanRemortel <garyvanremortel(at)gmail.com> wrote:
Deformation of the plate in the area of the caliper pin ferrules. This causes the plate to twist and keep the pads engaged with the disk. The plate must remain flat and the ferrules parallel to one another so the caliper pins can move freely. You can see in the modified plate that I have tripled the thickness of the plate in the critical area by welding steel doublers.

On Thu, Feb 20, 2025, 4:42 AM Jim Sharkey <sharkey(at)sover.net (sharkey(at)sover.net)> wrote:

Quote:
--> RV6-List message posted by: Jim Sharkey <sharkey(at)sover.net (sharkey(at)sover.net)>

Just curious - in what way was it deforming? Not clear from the pictures. What should we be looking for at the Condition Inspection?

Best regards
Jim Sharkey

> On Feb 19, 2025, at 8:11 PM, Gary VanRemortel <garyvanremortel(at)gmail.com (garyvanremortel(at)gmail.com)> wrote:
>
> I can't believe I haven't seen others having a problem similar to mine. Parker-Cleveland part 075-00800 Torque Plate is cold rolled steel that deforms over a period of time because it is not hardened or is just too weak for the application. I replaced a badly bent one some years back and they are getting pricey new $600, and used $200. I straightened mine this time and had doublers TIG welded on to triple their rigidity in the weak region. Original left, modified right.
> <IMG_20250219_170339944.jpg><IMG_20250219_170316749.jpg>




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