Operation No. 1 - Inspection Of Wheel Axle Bearings - PRONAR T740 Manual

5.2.1 OPERATION NO. 1 - INSPECTION OF WHEEL AXLE BEARINGS

In a newly purchased trailer, after the first week of use or covering a distance of 100 km,
while during further use – after 6 months of vehicle use check and regulate wheel axle
bearings when needed. Worn or damaged bearing should be replaced.
Required service actions
•
Hitch trans-shipment trailer to tractor, braking tractor with parking brake. Place
blocking wedges or other objects without sharp edges under the trans-shipment
trailer wheels and raise wheels in succession using the appropriate lifting jack.
The lifting jack should be placed under the axle between U bolts fixing shock
absorber leaf springs to the axle. Make certain that the trans-shipment trailer
will not move during inspection of the bearings.
•
Turning the wheel slowly in both directions check that movement is smooth and
that the wheel rotates without excessive resistance.
FIGURE 5.1
(1) hub cover, (2) castellated nut, (3) securing split cotter pin
•
Turn the wheel so that it rotates very quickly, check that the bearing does not
make any unusual sounds.
REGULATION OF ROAD WHEEL AXLE BEARINGS
5.5