c. Precautions for differential lock operation:
The truck shall be stopped or running at low speed (less than
10 km/h) when the differential lock is latched to avoid
internal gear damage.
When the differential lock between axles is latched, the truck
shall not run for a long time on undulate road. The
differential lock shall be released in time after the truck has
passed the undulate road; otherwise, the internal parts of the
axle may be damaged or the tyre may be worn.
d.Precautions for wheel replacement:
● Do not damage threads of the wheel bolts, and keep the
mating surface between the brake drum and the rim, and the
clamping surfaces of the wheel nuts free from paint, grease
and other dirt; apply grease, oil, or other thread paste to the
threads of the wheel bolts and wheel nuts before installation.
● Before mounting the wheel, clean the outer circle between
the wheel rim positioning hole and the wheel rim reduction
shell firstly, and then apply little grease to it.
● Tighten the wheel nuts diagonally and evenly, and after
each re-assembling of the tire, the tire nut must be
re-tightened after 50 km of travel.
d. Precautions for operation of brake shoe friction plate:
① When the vehicle has run for the first 5,000km, check the
thickness of the brake shoe friction plate, which shall not to
be less than 8mm. The inspection period thereafter may be
shortened as appropriate to avoid other serious faults due to
excessive wear of the friction plate;
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