Servo locked up? - Page 2 - RCCanada - Canada Radio Controlled Hobby Forum
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Old 07-09-2015, 09:53 AM   #11
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I am: Cliff S
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Re: Servo locked up?

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You will probably find one of the plastic gears with a bent or missing tooth. New gears are available from the larger hobby shops. When buying new servos always go for the ones with metal gears, designated usually "MG" in the identifying code. There are also some with carbon fibre gears. Grab the output arm and gently move it in both directions from lock to lock. If it is smooth with no bumps or skips, it is probably ok. If you do this too violently you can bend one of those plastic gears.

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Old 07-09-2015, 10:55 AM   #12
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Re: Servo locked up?

Most servos have the output shaft connected directly to the feedback pot. Unless the relationship between the output shaft and the feedback pot is disturbed, it is not likely a stripped/broken gear driving the output will alter the neutral. The problem described can only be caused by the servo arm slipping on the output shaft or the feedback pot being moved on the out put shaft(unlikely) or a fault in the electronics (again not likely considering the servo works normally now).
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