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How does a Hourmeter work?
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Posted by Marcus on March 02, 2003 at 15:08:11 from (208.58.201.150):
I recently had to replace the "Proofmeter" on my IH 2424. As with most tractors, it includes the tachometer and Hourmeter in one unit. Until now, I had always thought that there was some sort of electrical connection for the hourmeter to measure the time the engine was on. Instead, all there was is a single mechanical connection for the tachometer cable. This got me thinking that the hourmeter doesn't measure actual time. The hourmeter must move faster when I'm at full throttle, and much slower when I'm at idle. Can anybody explain or confirm? Thanks, Marcus.
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