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Old 26-10-2020, 10:00 PM   #1
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Country: FRANCE
Interests: speed on water/technics
Boat make: INVADER
Engines: MERC 250XS/SM 1.62
Cruising area: south Britany

Join Date: May 2007
Posts: 563
BERNICO trim tab cylinders disasembly

Does anyone already succeed to disassemble old Bernico trim tab cylinder ?
these are old ones, aluminum flanges and stainless steel cylinder liners are stuck. So if anyone can show me a picture of the inside elements removed, I'll appreciate. Trying to save them , and replace, built new aluminum flanges and install new seals.
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Old 23-12-2020, 02:54 PM   #2
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Country: FRANCE
Interests: speed on water/technics
Boat make: INVADER
Engines: MERC 250XS/SM 1.62
Cruising area: south Britany

Join Date: May 2007
Posts: 563
how it's made

after dismantling
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Old 23-12-2020, 02:57 PM   #3
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Country: FRANCE
Interests: speed on water/technics
Boat make: INVADER
Engines: MERC 250XS/SM 1.62
Cruising area: south Britany

Join Date: May 2007
Posts: 563
bernico cylinders Upgrade for marine use

new SS316 flange
new 309 hard chrome rod
new seal
pressure test
ready for use
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Old 23-12-2020, 04:23 PM   #4
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Country: Netherlands
Boat make: Piranha Espada 16ft
Engines: Merc 135 V6

Join Date: Jun 2013
Posts: 58
Thanks for sharing and nice work
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