Section 7. Maintenance Procedures
Belarus 80.1/80.2/82.1/82.2/82
Р — Operation and Service Manual
89
7.6.17. Adjustment of Bevel Roller-
Bearings in the FDA Planetary-and-
Spur Reductions Gears (Belarus 82.2)
(see Fig. 77)
Check and adjust, if required, the bevel
roller-bearings (3, 5), proceeding with op-
erations as follows:
1. Screw out bolts and remove cover (2);
2. Tighten nut (1) to a torque of 180...200
N
•
m
(18...20 kgf
•
cm), and, then, back it
off some 15-20°;
3. Prick-punch the nut at two slots in
flange (4). Refit the cover (2) back in
place.
7.6.18. Adjustment of Kingpin Bear-
ings in the FDA Equipped with Plane-
tary-and-Spur Reduction Gears (see
Fig. 78)
Check and adjust, if required, bearing
preload.
•
The preload in bearings should be
such that the turn force of the steering
knuckle applied to flange (5) is within
60...80 N (6...8 kgf). If it is necessary,
proceed with the adjustment, as follows:
•
Unscrew four bolts (2) and screw in
two dismantling bolts (1) into the pro-
cess holes provided;
•
Remove, as required, a number of ad-
justing shims (4) from under the flange
of the upper axle of kingpin (3);
•
Screw out dismantling bolts and uni-
formly tighten the bolts (2) to a torque of
120...140 N
•
m
(12...14 kgf
•
m).
Fig. 77
Fig. 78
