The roda kelima atau meja putar ialah tempat yang disandarkan pada skidplate semitrailer, dan kingpin muat di dalam.
Sebuah lori artikulasi perlu mengartikulasikan, dan titik artikulasi ini berada di sekitar pin raja yang masuk ke tengah roda kelima.
Fifth wheels are usually at a fairly standard height of around 1250mm, but this doesn’t suit all trailers and loads. This is where a dual height fifth wheel comes in handy. On the lowest setting, assuming the semitrailer is compatible, a fifth wheel might give 100mm or more extra headroom for a load. This could be the difference between a large piece of machinery being legal height or terlalu tinggi.
Pada tetapan tertinggi, ini mungkin memberikan platform pemuatan yang lebih mendatar, sekali lagi, bergantung pada spesifikasi treler.
A dual height fifth wheel is controlled from a panel that’s usually behind the cab. This activates air rams which push a mechanism to lift the fifth wheel. These systems are vulnerable to tampering, so it’s important that a driver checks the settings after returning to the lorry.
Unit traktor mestilah pegun dengan brek taman digunakan dan tidak separa treler bersambung.
Pull the locking handle out to disengage the locking pin mechanism, or there may be a switch or button to control the locking – change this to unlocked.
Tekan butang kawalan mengangkat ke arah yang anda mahu gerakkan roda kelima (atas atau bawah). Roda kelima anda mungkin hanya mempunyai dua tetapan atau ia mungkin boleh dibiarkan dalam mana-mana kedudukan antara rendah dan tinggi.
If your fifth wheel has manual unlocking you may need to release a second stage lock and put the locking pins back into place – make sure they are all the way through and visible from the outside. If there’s a locking switch, activate it once you have finished. Then you can connect the trailer.