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06-20-2014, 04:24 PM
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#21
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Senior Member
Join Date: Jun 2013
Posts: 10,833
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The issue I saw with my replaced dome was he torque of the amazing working hands of assembly personal over tightening and warping the dome causing stress cracks. Or just a air powered screw driver running all out and over tightening warping and cracking. Long term I am thinking of getting a piece of flat lexan and replaced the done entirely on my 8289 WS when it cracks.
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B and B
2022 Venture RV SportTrek STT 302 VRB Travel Trailer
2018 Heartland Landmark 365 Louisville 5th Wheel
2015 Heartland Bighorn 5th Wheel
2013 FR Rockwood 8289WS 5th Wheel
2012 FR Rockwood 2703 SS Travel Trailer
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06-20-2014, 04:27 PM
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#22
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Cyber Phrenologist
Join Date: Jun 2007
Location: Southern Crescent
Posts: 1,806
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A piece of eternabond tape will keep the water out longer and better than most silicone sealants. Experience speaking.
I always thought mine was cracked from a hail storm. Now, maybe not.
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KU4OJ
2008 (or is it 2009?) Rockwood 8280SS - 2022 F-250 7.3L
Lot's of mostly Kenwood radios
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06-20-2014, 05:32 PM
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#23
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Senior Member
Join Date: Sep 2011
Location: Komoka Ontario
Posts: 2,680
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Quote:
Originally Posted by B and B
The issue I saw with my replaced dome was he torque of the amazing working hands of assembly personal over tightening and warping the dome causing stress cracks. Or just a air powered screw driver running all out and over tightening warping and cracking. Long term I am thinking of getting a piece of flat lexan and replaced the done entirely on my 8289 WS when it cracks.
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I never gave a thought to just replacing it with a piece of flat lexan or acrylic could even go quarter inch thick and not have to worry about cracking because of over tightening. 
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"Well that didn't go as expected"
2015 Chev 2500HD Highcountry Duramax
Cedar Creek Silverback 33IK
Donald&Casey cairn terrier
Rest in Peace Mary my darling wife.
Scottish by birth Canadian by time.
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06-20-2014, 05:37 PM
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#24
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Senior Member
Join Date: Jan 2014
Location: Chantilly, VA
Posts: 1,075
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Quote:
Originally Posted by DDC
I never gave a thought to just replacing it with a piece of flat lexan or acrylic could even go quarter inch thick and not have to worry about cracking because of over tightening. |
What type of material is the oem dome?
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Lee and Anne
2016 F250 2WD CC SB XLT 6.2 3,295 lb payload cap.
2014 Salem Hemisphere 282RK 8k lbs loaded, Equal-i-zer WDH, TST 507 TPMS
2021: 35 nights already booked so far
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06-20-2014, 05:43 PM
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#25
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Senior Member
Join Date: Sep 2011
Location: Komoka Ontario
Posts: 2,680
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Quote:
Originally Posted by Teamfour
What type of material is the oem dome?
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Thermoformed polycarbonate, is the only ones I can find says it is OEM.
__________________
"Well that didn't go as expected"
2015 Chev 2500HD Highcountry Duramax
Cedar Creek Silverback 33IK
Donald&Casey cairn terrier
Rest in Peace Mary my darling wife.
Scottish by birth Canadian by time.
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06-20-2014, 06:00 PM
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#26
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Mod free 5er
Join Date: Mar 2008
Location: Concord, NC
Posts: 24,702
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Quote:
Originally Posted by DDC
Thermoformed polycarbonate, is the only ones I can find says it is OEM.
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Which is what Lexan is. Plexiglas even 1/4" will crack and break easier than polycarbonate and is not uv resistant. Best thing to do is get a replacement and put a 1/8" x 1" alum strip on top of the flange and not tighten the screws so much.
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06-20-2014, 06:35 PM
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#27
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Senior Member
Join Date: Jun 2013
Posts: 10,833
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You could head down to the Coors Light rink at the Komoka Area and see if they have a piece of old rink glass, that would not break with hail for sure! We had massive Hail in Chalk River 2 weeks ago while driving thru, thought for sure the dome was cracked after that.
__________________
B and B
2022 Venture RV SportTrek STT 302 VRB Travel Trailer
2018 Heartland Landmark 365 Louisville 5th Wheel
2015 Heartland Bighorn 5th Wheel
2013 FR Rockwood 8289WS 5th Wheel
2012 FR Rockwood 2703 SS Travel Trailer
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06-20-2014, 06:59 PM
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#28
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Senior Member
Join Date: Sep 2011
Location: Komoka Ontario
Posts: 2,680
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Quote:
Originally Posted by B and B
You could head down to the Coors Light rink at the Komoka Area and see if they have a piece of old rink glass, that would not break with hail for sure! We had massive Hail in Chalk River 2 weeks ago while driving thru, thought for sure the dome was cracked after that.
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That arena is brand new, but I need to walk down there to renew my library card next week so maybe I'll ask, that stuff is pretty strong.
__________________
"Well that didn't go as expected"
2015 Chev 2500HD Highcountry Duramax
Cedar Creek Silverback 33IK
Donald&Casey cairn terrier
Rest in Peace Mary my darling wife.
Scottish by birth Canadian by time.
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06-20-2014, 07:02 PM
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#29
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Senior Member
Join Date: Sep 2011
Location: Komoka Ontario
Posts: 2,680
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Quote:
Originally Posted by OldCoot
Which is what Lexan is. Plexiglas even 1/4" will crack and break easier than polycarbonate and is not uv resistant. Best thing to do is get a replacement and put a 1/8" x 1" alum strip on top of the flange and not tighten the screws so much.
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I could not believe that they put those plastic pieces on without using a sandwich strip even out the pressure.
__________________
"Well that didn't go as expected"
2015 Chev 2500HD Highcountry Duramax
Cedar Creek Silverback 33IK
Donald&Casey cairn terrier
Rest in Peace Mary my darling wife.
Scottish by birth Canadian by time.
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06-20-2014, 07:19 PM
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#30
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Senior Member
Join Date: Apr 2012
Location: Weatherford, TX
Posts: 977
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I turned the torque down to pretty low when I installed mine... but I'll still get up there and look...
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J & D in Lovely Weatherford, TX
2016 Jayco White Hawk 28DSBH TT
2014 Ram 2500 Crew Cab 4X4 6.7L Cummins
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