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Ex-200 w/ conversion kit stalls when boom is lowered

danielDND

New Member
Joined
Nov 4, 2023
Messages
1
Location
Philippines
Guys please help. I have an hitachi ex200-2 that has conversion kit and no electronics. Every thing works fine except when i lower the boom. The engine almost stalls even though the pressure is only 150-180 at the shuttle valve. What may be the cause of the problem?
 
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