PRONAR T683P, User Manual

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CHAPTER 5 Pronar T683P
5.7
Loosen the wheel nuts according to the order given in figure (5.3).
Place the jack and raise the trailer.
Remove the wheel.
Wheel mounting
Clean the axle pins and nuts from contamination.
Do not lubricate the threads of the nut and stud.
Check the condition of the pins and nuts, replace if necessary.
Mount the wheel on the hub, tighten the nuts so that the rim fits snugly to the
hub.
Lower the trailer, tighten the nuts according to the recommended torque and
the given order.
Tightening the nuts
The nuts should be tightened gradually diagonally (in several stages until the required
tightening torque is achieved), using a torque wrench. In the absence of a torque wrench, you
can use a regular wrench. The wrench arm (L), figure (5.3), should be selected according to
the weight of the person (F) tightening the nut. It should be remembered that this method of
tightening is not as accurate as when using a torque wrench.
ADVICE
Wheel nuts should be tightened to 450 Nm - M22x1.5 nuts.