61
61
Fig5.4 Steering cylinder
Fig5.4 Steering cylinder
1.
1. Piston
Piston rod
rod assy
assy
4.
4. Yx-ring
Yx-ring
7.
7. Supporting
Supporting ring
ring
2.
2. Cylinder
Cylinder cover
cover
5.
5. O-ring
O-ring
8.
8. Cylinder
Cylinder body
body
3.
3. Dust
Dust ring
ring
6.
6. O-ring
O-ring
5.5.2 Rear wheel bearing pre-load adjustment
5.5.2 Rear wheel bearing pre-load adjustment
(1) As shown in Fig5.5, f
(1) As shown in Fig5.5, fill up the chamber formed by wheel
ill up the chamber formed by wheel hubs, wheel hub bearing
hubs, wheel hub bearing
and wheel hub covers with lubricating grease. Coat the lips of
and wheel hub covers with lubricating grease. Coat the lips of the oil seals with lubricating
the oil seals with lubricating
grease.
grease.
(2) Press the hub bearing into
(2) Press the hub bearing into the hub and fit the
the hub and fit the hub on the knuckle shaft.
hub on the knuckle shaft.
(3) Fit a flat
(3) Fit a flat washer and tighten a castle nut with torque of 206
washer and tighten a castle nut with torque of 206
~
~
235N.m and loosen it
235N.m and loosen it
and then tighten it again with torque of 9.8N.m.
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
(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
and in the meantime, rotate the hub for 3
~
~
4 turns.
4 turns.
(5) Tighten the castle nut and align one of its notches with a hole drilled in the
(5) Tighten the castle nut and align one of its notches with a hole drilled in the
steering knuckle.
steering knuckle.
(6) Again slightly knock at the hub with a wooden hammer and in this time, rotate
(6) Again slightly knock at the hub with a wooden hammer and in this time, rotate
manually the hub for 3
manually the hub for 3
~
~
4 turns to ensure its smooth rotation with a specified torque of
4 turns to ensure its smooth rotation with a specified torque of
2.94
2.94
~
~
7.8N.m.
7.8N.m.
(7) If the torque value necessary to rotate the hub is more than the specified one
(7) If the torque value necessary to rotate the hub is more than the specified one
above-mentioned, screw out the castle nut for 1/6 turn and measure the torque value
above-mentioned, screw out the castle nut for 1/6 turn and measure the torque value
then.
then.
(8) When the torque value measured is up to the specified one, lock the castle nut
(8) When the torque value measured is up to the specified one, lock the castle nut
with a cotter pin.
with a cotter pin.
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