Specifications

54
6.6.1 Steering cylinder (Fig6.4)
The steering cylinder is of double-action piston type. The seal unit consists of the
supporting ring and O-ring, Yx-ring seal is adopted between the cylinder cover and the
piston rod. The cylinder is fitted on the steering axle through two sides cylinder
covers.
Fig6.4 Steering cylinder
1.
Piston rod assy
4.
Yx-ring
7.
Supporting ring
2.
Cylinder cover
5.
O-ring
8.
Cylinder body
3.
Dust ring
6.
O-ring
6.6.2 Rear wheel bearing pre-load adjustment
(1) As shown in Fig6.5, fill up the chamber formed by wheel hubs, wheel hub
bearing 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 with torque of 206235N.m and
loosen it and then tighten it again with torque of 9.8N.m.
(4) To ensure firm installation of the hub, slightly knock at it with a wooden
hammer and in the meantime, rotate the hub for 34 turns.
(5) Tighten the castle nut and align one of its notches with a hole drilled in the
steering knuckle.