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Old 12-12-2017, 22:26   #1
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Join Date: Dec 2012
Location: Campbell River BC
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How to judge gearbox condition?

Hello. I have a ZF250MA, installed new 4yrs ago, now has 1700hrs. Shifts & drives well, has own oil cooler, runs just barely warm to touch. When Iíve changed itís oil, always clear and had no burnt smell. My concern is that Iíve done 1/2 a circumnavigation, with my feathering prop frequently not feathered(different story)......so letís say 10,000nm of rotating undriven.

Iím going to haul soon, and pull the motor for maintenance.....and Iím wondering how to judge the condition of the gearbox without sending it away.

Any simple, proven techniques from someone that knows transmissions?

Norm Facey
SV DreamCatcher
Presently Port Elizabeth, South Africa
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Old 13-12-2017, 05:47   #2
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Re: How to judge gearbox condition?

Just like an engine, an oil sample test can give some indication (provided it is used oil.)
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