DongFeng DFA1101GZ5AD6J-907, Service Manual

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Steering System
ST-8
Steering gear overheat
(its temperature is over
65 ° C of the environ-
ment temperature)
1.Too much flow of the oil pump Replace the oil pump
2.The bending radius of the oil pipe is
too small or the inner part is blocked and
cause oil flowing difficult and heated
Replace the oil pump
3.Steering to the limit position need more
than 5 seconds.
Avoid to turn to the limited position
Steering control is not
flexible
1.Parts of steering system loose or wear Tighten or replace
2.Steering gear is loose Tighten
3.Improper adjusting of the steering gear Adjust the side cover bolt
4.Oil level of the oil reservoir is lower
than the lowest mark
Add oil
5.Front axle leaf spring fixed bolt loosed Tighten
6.Steering universal joint locking bolt
loosed
Tighten
Steering wheel return
failed
1.Insufficient tyre pressure Inflating
2.Too tight fit of the front axle parts
Adjust
3.Improper alignment of the front wheel
Steering wheel return
too quick
1.Insufficient oil in the steering oil reser-
voir
Add oil
2.Air in the steering oil pipe Exhaust
3.Clearance between steering drive shaft
and the steering universal joint
Replace the steering universal joint
4.The input torque of the steering gear
when idling is smaller than 40~60N.cm
that the mesh of the nut and arm shaft
loosed.
Adjust clearance