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Old 30-12-2010, 16:42   #1
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Hurth 630A

My Hurth 630a gearbox filled with sea water and lost all pressure whilst under load. I have stripped it down and reassembled. now, when started it builds pressure (21 bar) and then, with a wooshing noise, it loses pressure completely (in neutral) after about 30 sec of running. i have changed the control block and the syptoms are still the same.
Anyone have any ideas?
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Old 31-12-2010, 10:26   #2
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I didn’t see anything helpful, but here’s an Owner’s Manual. Could it be a plugged filtre?
Gord May
"If you didn't have the time or money to do it right in the first place, when will you get the time/$ to fix it?"

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Old 07-01-2011, 15:46   #3
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Aloha and welcome aboard!
Good to have you here. Good luck on the trans repair.
kind regards,
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