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Apr. U 25 di u 2024 15:27 Torna à a lista

Perchè si move una quinta rota quandu si traina un semirimorchiu ? Quinta Rota

You’ve hooked up your trailer and you’ve headed to a weighbridge and the bad news is that your front (steering) axle is overloaded. An overloaded axle is both illegal and dangerous. It can overheat your tyres, make your braking performance much worse, affect your steering and even cause a jackknife if it’s bad enough.

Whoever loaded the trailer has put too much weight at the front, but you don’t have any ability to change that, so what can you do?

 

JOST TAPE Kit di riparazione di quinta rota 37C pezzi di rimorchi

Why would you move a fifth wheel when towing a semitrailer? Fifth Wheel

 

Sì avete un sliding quinta rota, you can move the load backwards so that more weight is over the tractor unit’s drive axles.

Why would you move a fifth wheel when towing a semitrailer? Fifth Wheel

It’s common for drivers to move the fifth wheel, not only for weight distribution, but also to get the best aerodynamic performance from the vehicle. A smaller distance between the cab and the trailer makes for better fuel economy, but it’s not always possible to do this if the front of the trailer is heavy because too much weight will be over the steering axles.

Add to this the complication of full vs empty fuel tanks (diesel weighs around 8 pounds per gallon) and you’ll see it’s difficult to calculate an exact weight distribution.

Se a vostra unità di trattore hà una quinta rota mobile, ci sarà un interruttore daretu à a cabina per sbloccallu.

Why would you move a fifth wheel when towing a semitrailer? Fifth Wheel

When the fifth wheel is unlocked, it can slide on this notched rail. Each notch represents a certain percentage of weight distribution forwards and backwards – you’d need to check the manufacturer’s documentation to know just how much.

Why would you move a fifth wheel when towing a semitrailer? Fifth Wheel

Why would you move a fifth wheel when towing a semitrailer? Fifth Wheel

Cumu si move a quinta rota scorrevule

  1. Assicuratevi chì i freni di a rimorca sò appiicati è chì a semirimorca hè cunnessa in modu sicuru
  2. The trailer must be in line with the tractor unit – you can cause damage if it isn’t
  3. Sblocca a quinta rota cù l'interruttore
  4. Move u primu mutore in avanti per cambià u bilanciu di pesu più nantu à e roti di trasmissione, è vice versa
  5. Applica u frenu di stazionamentu nantu à u trattore
  6. Esce è chjude a quinta rota
  7. Verificate dinò nantu à a bascula

Quandu avete abbandunatu u trailer, torna a vostra quinta rota à a so pusizione regulare.

Cosa à verificà

  • Before you try to move the trailer, check both slider plunger pins are out (there’s one either side)
  • Once you’ve moved the trailer, ensure that both slide plunger pins have moved back in. If they won’t go back in, move the tractor unit forwards or backwards slightly to take any pressure off the connection
  • Verificate chì l'unità hè servita regularmente è hà abbastanza grassu
  • Do a tug test before you drive away – if the pins are unlocked, the first time you brake, the trailer will slide forward and break the coupling.

Pudete move a vostra quinta rota ?

Ùn sò micca tutte e quinte roti ponu esse spustate mentre accumpagnate à un rimorca. Questa quinta rota pò esse spustata, ma solu per svià i bulloni è sbulicendu in avanti o in daretu.

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