Eftirvagnsarmurinn

Trailer arm is one of the trailer tools, usually at the end of the connection on trailers, trailer arm at the other end is equipped with and trailer ball spherical head match ball, when fault vehicle trailer will be dragged off site, workers need to be installed on the vehicle chassis beforehand trailer ball spherical head card tight inside the ball in a trailer with a fault in the process of the vehicle, The spherical head will swing from side to side or back and forth in the ball socket according to the different road conditions (such as uneven road surface). Due to the trailer ball spherical head in the vehicle before failure occurs, it is usually exposed in the external, long naked spherical head will inevitably touch ー some dust and sand on the surface, therefore, when the spherical head around inside the ball and socket or vulnerable to swing to and fro the surface dust and sand abrasion, scratch in the spherical head surface is broken, If the time is too long, there will even be the phenomenon of the spherical head stuck in the ball and socket.

Eftirvagnsarmurinn ætti ekki að vera of hár eða of lágur, því of hár eða of lágur leiðir til óstöðugs togs, sem er mjög auðvelt að falla af þegar farið er yfir hraðahindranir eða holur.

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