63
well. Don't drive in high speed when
the temp is below the normal temp
(between 80oC and 90oC).
5) Regularly check the engine cylin-
der cover, wheel nuts, car body, and
the U-bolt of leaf spring for tighten.
Check the steering system, brake
system, and clutch for normal oper-
ation. Check steering wheel for free
play. Check the brake pedal and
clutch pedal for operating stroke and
free play.
Note: Cylinder cover bolts should be
tightened twice when the cylinder is
cool,according to diagonal sequence
from the center to sides.
6) The oil should be replaced after
500km尧1000km尧 2500km (do it when
engine is hot), then it will be repl -
aced again in second -class main -
tenance.
3. After running-in period
1) Replace engine oil and oil filter
core. Replace oil in transmission
case and rear axle, and replace
lubrication in steering gear, also hub
bearing grease.
2) Check all external bolts and nuts
with specified torque.
3) Apply grease on all points where
should be lubricated.
4) Do items of first -class mainten -
ance.
渊域冤Daily maintename
When you find out some mistakes
about the trucks, you must check
and resolve it at the first time. It is
very important to do periodical
service for the truck. As a result of
the area and periodical service are
different, so you should be take care
of the truck to periodical service.
The following references is how to
take good care of the chassis. Does
not introduce about the season
service.User can follow the basis
about area to do season service.
Everyday routine maintenance
Everyday you do not use the truck ,
you may check about it, in order to
having a good technology.
1.To checking the engine and fill with
rust prevention and antifreeze oolant.
In winter,let out water from the
engine.If you want to using antifreeze
coolant that you must follow the air
temperature.
渊I冤 Notice during running -
in period
To improve vehicle's reliability and
economical efficiency and also to use
it longer, follow these during running-
in period which is specified as about
2500km.
1. Before running-in period
1) Wa sh vehicle with water, and
check all bolts and nuts for tighten.
2) Check the radiator for enough
water,and check the engine,transmi-
ssion, rear axle, and steering gear
box for enough lubrication,also check
battery and reservoir for liquid level.
3冤check brake system尧drive system,
and steering system for correct
operation.
4) Check electrical equipments and
lamp
instruments
for
correct
operation, and check brake system
for normal air pressure.
5) Check the shift gears for right; the
control parts for normality, transm -
ission for shifting smoothly, and the
indicator should works correctly.
6) Check tires for proper air pres -
sure.
7) Check that if driver tools and
accessories are taken.
2. During the running-in period
1) The new truck should run on
smooth road, and don't make it load
more than 50% of its rated load
before it traveled 800km and don't
load more than 75% before 1500km,
or it will shorten truck's life and bring
driver danger.
1)Put so many goods in the trucks ,it
will be curtail the car's life and also
influence your safety.
2) Don't run faster than the follow
speed.
First gear
7km/h
Second gear
14km/h
Third gear
26km/h
Forth gear
40km/h
Fifth gear
56km/h
3) At the beginning, check the rear
axle, transmission case, driveshaft,
and brake drum for temperature.
Give ear to the sound of chassis
when driving and stop to inspect if
abnormal noise is heard, then shoot
trouble before drive again.
4) Both the cooling water temp and
oil pressure should be noticed very
62
HFC1048
series trucks