5冤Finished the third maintenance,
disassemble the back cover .Then
clean cavity and main reducer axle .
To tight the fore moment nut and
blot.
渊V冤Frame
The brief of structure :This kind of
truck's chassis is across structure
Use & Maintenance :Using longitudi鄄
nal beam and cross beam is to fixed
the frame .Using weld and screw
thread to connecting .So ,keep all the
parts well to exerting the advantage
of the frame .When doing the third
maintenance checking , if the screws
are lax that should be tight it. If the
cross beam have something wrong ,
should be mend it .
The reason of damage the frame is
overweight , parking position and
road and so on. .So ,must following
the request to driving .
渊遇冤Suspension set
General Structure: The suspension of
this series of trucks is composed of
multiply variable leaf spring 尧bidirec鄄
tional hydraulic telescopic shock ab鄄
sorber and transverse stabilizer. Rear
leaf spring is composed of main
spring and secondary spring, its
stiffness changes little by little, so
that vehicle is more comfortable for
ride.
38
1. Front leaf spring 2. Front U bolt
3. bumper
4. Front shackle
5. Upper bracket of front suspension
6. Front absorber
7.nut
front suspension assembly
1尧Frame
2尧Rear leaf spring
3尧Rear center bolt 4尧Rear absorber
5尧Secondary spring bracket
6尧Rear shackle clamp
rear suspension assembly
HFC1048
series trucks
39
2. Use & Maintain leaf spring
1)At the beginning of running-in pe鄄
riod, check the nut on U -type fas鄄
tening bolt and tighten it with speci鄄
fied torque when trochometer points
to 200km and 500km.
2)After running-in period, tighten the
nut on U -type fastening bolt with
specified torque (with vehicle fully
loaded). Do it also when leaf spring
is replaced or reset.
3)Tighten the nut on U-type fasten鄄
ing bolt with specified torque (with
vehicle fully loaded) every 2000 ~
3000km.
4) The first maintenance袁Check and
tighten bolts and nuts in your touch
on suspension. Check the rubber
parts on the suspension and replace
if too much wear.
5冤At the second maintenance, doing
the first maintenance items .Then
disassemble and lubricant the spring
of plate , at the same time to check鄄
ing anti-roll stabilizer .
6冤At the third maintenance, doing
the second maintenance items . Then
disassemble all of the rubber to
changing the news.
7)Take notice of the orientation when
replace leaf spring or operate on the
center bolt. Tighten each nut first,
then tighten nuts on front U -type
fastening bolt with specified torque
before tighten the rear ones.
3. Use & Check absorber
1冤 Check the absorber for tempera鄄
ture after running a length on bad
road surface (commonly more than
10km). Absorber don't have resis鄄
tance if the temperature lower than
condition temperature; if one ab鄄
sorber have much lower temperature
than the symmetrical one, the lower
one's resistance is much more
smaller. Lower resistance result from
lack in oil or from damage of some
important part, and the absorber that
lack in resistance should be removed
to inspect.
2冤 Check the absorber for oil leak if
continuous abnormal vibration is de鄄
tected. Oil leak should be dealt with
on time, so that the absorber can
work normally.
3冤 Check absorber when maintaining
vehicle. To check absorber, stick up