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Definition of rocker arm in English: rocker armnoun A rocking lever in an engine, especially one in an internal combustion engine which serves to work a valve and is operated by a pushrod from the camshaft. Example sentencesExamples - We had a really wild ride there when the left rear rocker arm snapped going over the crest of the hill.
- The rocker arm must have enough room to operate the valve in a smooth motion both up and down without causing excessive load to the valve guide.
- The system is activated via a two-piece rocker arm.
- A small treatment cup, operating from a rocker arm directly off the seed dump pan and out of a small reservoir, meters one cup of treatment with each dump of the seed pan.
- The engine's camshaft drives the pump pistons through a roll rocker arm.
Definition of rocker arm in US English: rocker armnounˈräkər ärm A rocking lever in an engine, especially one in an internal combustion engine which serves to work a valve and is operated by a pushrod from the camshaft. Example sentencesExamples - A small treatment cup, operating from a rocker arm directly off the seed dump pan and out of a small reservoir, meters one cup of treatment with each dump of the seed pan.
- The engine's camshaft drives the pump pistons through a roll rocker arm.
- We had a really wild ride there when the left rear rocker arm snapped going over the crest of the hill.
- The system is activated via a two-piece rocker arm.
- The rocker arm must have enough room to operate the valve in a smooth motion both up and down without causing excessive load to the valve guide.
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