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

د اپریل ۲۵، ۲۰۲۴ ۱۵:۲۷ بیرته لیست ته

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

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 پنځم څرخ 37C ترمیم کټونه ټریلر برخې

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

 

که تاسو سلایډ لرئ پنځم څرخ, 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.

که ستاسو د ټراکټور واحد پنځم څرخ ولري، نو د ټکسي شاته به یو سویچ وي چې خلاص یې کړي.

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

د سلایډینګ پنځم څرخ څنګه حرکت وکړو

  1. ډاډ ترلاسه کړئ چې د ټریلر بریکونه لګول شوي او نیم ټریلر په خوندي ډول وصل دی.
  2. The trailer must be in line with the tractor unit – you can cause damage if it isn’t
  3. د سویچ په کارولو سره پنځم څرخ خلاص کړئ
  4. د وزن توازن د ډرایو ویلونو باندې ډیر بدلولو لپاره پرائم موور مخ په وړاندې حرکت وکړئ، او برعکس
  5. د ټراکټور په واحد کې د پارکینګ بریک تطبیق کړئ
  6. راووځه او پنځم څرخ بند کړه
  7. په وزني پل کې یې بیا وګورئ

کله چې تاسو له ټریلر څخه ښکته شئ، خپل پنځم څرخ بیرته خپل عادي حالت ته راوړئ.

څه باید وګورئ

  • 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
  • وګورئ چې واحد په منظم ډول خدمت کیږي او کافي غوړ لري.
  • 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.

آیا تاسو کولی شئ خپل پنځم څرخ حرکت ورکړئ؟

ټول پنځم څرخونه د ټریلر سره د نښلولو پرمهال حرکت نشي کولی. دا پنځم څرخ حرکت کیدی شي، مګر یوازې د بولټونو خلاصولو او مخکې یا شاته سلایډ کولو سره.

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