PRONAR T679/3, Руководство оператора, Страница: 81 / 117

SECTION 5 PRONAR T679/3 PRONAR T679/4
5.7
The lifting jack must be positioned on a level and hard surface so as to prevent
sinking into the ground or relocating the jack during lifting.
If necessary, use proper backing plates in order to prevent the lifting jack from
sinking into the ground.
Confirm that the lifting jack is positioned in rocker rotation point.
Dismount wheel.
Wheel mounting
Clean axle pins and nuts of contamination.
Do not grease thread of nuts and pins.
Check condition of pins and nuts, if necessary replace.
Place wheel on hub, tighten nuts so that wheel rim tightly fits the hub.
Lower trailer, tighten nuts according to recommended torque and given sequence.
Tightening nuts
Nuts should be tightened gradually diagonally, (in several stages, until obtaining the required
tightening torque) using a torque spanner. Tightening of nuts should be checked with the
frequency given in the below table. The activities should be repeated after each removal of a
wheel from the wheel axle.
INSPECTION
Checking wheel tightening:
•
After the first use of trailer (one-time inspection).
•
Every 2 – 3 hours of trailer travel (during the first month of trailer
use).
•
Every 30 hours of trailer travel.
•
The above actions should be repeated individually if a wheel has
been removed from the wheel axle.