Mounting And Dismounting Wheel, Inspection Of - PRONAR T669 Operator's Manual

Pronar T669
Unscrew nut (not less than1/3 rotation) to cover the nearest thread groove
with alignment to opening in wheel stub axle. Wheel should rotate with
insignificant resistance.
Secure castellated nut with cotter pin and mount hub cap.
Delicately tap hub cap with rubber or wooden hammer.
The wheel should turn smoothly without stiffness or detectable resistance not originating from
abrasion of brake shoes in brake drum. Adjustment of bearing looseness may only be
conducted, when the trailer is hitched to a tractor, and the load box is empty.
TIP
If the wheel is dismounted, bearing looseness is easy to check and adjust.
5.2.6 MOUNTING AND DISMOUNTING WHEEL, INSPECTION OF WHEEL NUT
TIGHTENING
Dismounting wheel
Immobilise trailer with parking brake.
Place the wheel chocks under the wheel opposite to the dismantled wheel.
Ensure that trailer shall not move during wheel dismounting.
Loosen wheel nuts according to sequence given in figure (5.4).
Place a lift and raise the trailer to a sufficient height so that the wheel to be
replaced does not touch the ground.
Dismount wheel.
Mount wheel
Clean axle pins and nuts of dirt contamination.
Wheel should rotate with insignificant resistance.
Nut may not be excessively tightened. Do not apply excessive
pressure with regard for deterioration of bearing working conditions.
5.8
SECTION 5