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Figure 3-2 Electric steering axle
(1) Steering motor (2) controller (3) redactor (4) hub assembly
3.5 Adjustment and Maintenance
3.5.1 Rear wheel bearig pre-load adjustment
(1) As shown in Fig. 3-3, fill up the chamber formed by wheel hubs, wheel hub bearings
and wheel hub covers with lubricating grease. Coat the lips of the oil seals with
lubricating grease.
(2) Press the hub bearing into the hub and fit the hub on the knuckle shaft.
(3) Fit a flat washer and tighten a castle nut to a torque of 206-235Nm (21-24kgm) and
loosen it, and then tighten it again to a torque of 9.8Nm (1kgm).
(4) To ensure firm installation of the hub, slightly knock at it with a wooden hammer and
in the meantime, rotate the hub for 3-4turns.
(5) Tighten the castle nut and align one of its notches with a cotter pin hole drilled in the
steering knuckle.
(6) Again slightly knock at the hub with a wooden hammer and in this time, rotate
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