Steering System
ST-7
Trouble Analysis
Trouble
Cause
Method
Bothway heavey steer-
ing
1.Oil level in steering gear is not suffi-
cient
Add oil to the upper mark
2..The connecting part between the oil
outlet and the engine, and between the oil
inlet of the steering oil pump and the
engine, and between the oil pump and the
engine sucked air.
Tighten oil pipe fitting or replace the seal-
ing part
3.Too small flow of the steering oil pump
(flow control valve blocked)
Disassemble and wash the flow control
vavle
4.Strainer screen of the oil reservoir
damaged or blocked
Replace the filter cartridge and wash the
oil suction pipeline between oil reservoir
and oil pump
5.The movement between steering drive
shaft and universal joint connecting with
the steering gear is not flexible.
Move repeatedly until it becomes flexible,
otherwise you have to replace the univer-
sal joint
6.Rotary valve blocked
Repair the steering gear
7.Improper oil pressure in the oil pump
Replace oil pump
8.Vehicle overload too much
Reduce load
One-way heavey steer-
ing
1.Tire pressure of one side isn't enough.
Inflating
2.Only one direction of the steering gear
leak out too much.
Repair the steering gear
3.The rotary valve isn't in the nuetral
position.
4.The fixed pressure of left or right can,t
be set up.
Replace sealing part
Heavey steering when
quickly turning bothway
1.The connecting part between the oil
outlet of the steering oil reservoir and the
engine, and between the oil inlet of the
steering oil pump and the engine sucked
air.
2.Too small flow capacity of the steering
oil pump
Replace the steering oil pump
Too large free travel of
the steering wheel
1.Steering wheel and steering shaft fit is
loose
Tighten
2.Connecting part of the steering drive
device loosed
3.Fixed bolt of the steering gear and its
bracket loosed
4.Too big clearance between steering
screw arbor and nut
Repair the steering gear
5.Leaf spring bolt loosed
Tighten
6.Steering universal joint locking bolt
loosed
Tighten
7.Improper adjustment of the steering
gear
Adjust side cover adjusting bolt
Содержание DFA1063DJ10-301
Страница 1: ...DONGFENG DFA1063DJ10 14 301 303 SERVICE MANUAL DONGFENG AUTOMOBILE CO LTD September 2006 ...
Страница 108: ...Cab BF 7 Cab External Trims ...
Страница 110: ...Cab BF 9 Front and rear window Cab door seal strip ...
Страница 111: ...Cab BF 10 Door outside molding Foot step shield and mat ...
Страница 115: ...Cab BF 14 Cab body mounting Note Different model has different shape of cargo body ...
Страница 130: ...Electric System EL 12 Accessories Wiper motor Power 50 Revolution Low speed 40 High speed 60 6 2 3 ...
Страница 132: ...Electric System EL 14 Electric wiring diagram ...