Page 505 - Foton Workshop Manual - Auman EST-M

Diagnosis - Mechanical fault diagnosis DI - 451

IN
Failure phenomenon Possible reason Failure elimination

1. Steering column bearing (broken) Replace the broken bearing
DI
2. Steering column bearing (no
Fill in grease in the bearing
sufficient lubrication)
EG
3. Universal joint cross shaft has Fill in grease to the cross bearing of
insufficient lubrication. universal joint
TR
Replace the broken assembly of
4. Universal-joint cross shart (broken)
universal joint cross shaft
AX
5. Steering device (not adjusted well) Recheck and adjust

6. The parts of steering gear is damaged FR
Replace the steering device
Steering heavy or stuck.
7. Steering gear lubrication is ST
Add gear oil
insufficient.

8. The gap between king pin and bush is BR
Check and adjust the clearance
too large.
BW
9. Thrust ball bearing is worn. Adjust the assembly

10. Ball head connection (too tight or
Check and lubricate the ball stud EL
too loose)
11. Tire (underpressure or excessive Increase to the required pressure and
abrasion ) check the wearing of tyre

1. Cross bearing of steering driving
Check, repair or replace
universal joint (loose)

2.The free gap of steering wheel (too
Adjust the steering wheel free clearance
small)
3. Wheel dynamic balance Dynamic balance adjustment for wheels
Steerable wheel vibrating and
steering wheel shaking
4. Front wheel positioning angle (with
Adjust the front wheel positioning angle
maladjustment)
5. Absorber (invalid) Replace the absorber

6. Frame deformation (long-term
Adjust and repair
overload or crash)

DI-451