Page 1075 - Foton Workshop Manual - Auman EST-M

Steering system- Steering Mechanism ST-7

Failure phenomenon list IN

Use the list below to help you find the reasons of failures. The number represents the order of failure reason
possibility Check each part according to the order. Replace the parts if ncessary. DI
Failure phenomenon Possible reason Failure elimination

EG
1. Steering column bearing (broken) Replace the broken bearing

2. Steering column bearing (not lubricated well) Fill into the bearing
TR
Fill into the cross bearing of the universal
3. Universal joint cross shaft has insufficient lubrication
joint
AX
Replace the broken assembly of universal
4. Universal-joint cross shaft (broken)
joint cross shaft
5. Steering device (not adjusted well) Recheck and adjust FR
Steering heavy
6. The parts of steering gear is damaged or stuck. Replace the steering device
ST
7. Steering gear lubrication is insufficient. Apply lubricating grease

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

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

2. Steering wheel (spline abrasion) Replace the steering wheel

3. Steering inner articulated shaft spline (excessive abrasion) Replace the steering drive shaft
The steering wheel free
Replace the broken assembly of universal
gap is too much 4. Universal-joint cross shaft (broken)
joint cross shaft

5. Steering device (not adjusted well) Recheck and adjust

6. Steering link (ball head abrasion) Replace the steering tie rod ball

1. Steering column bearing (broken) Replace the broken bearing

Abnormal noise in 2. Steering column bearing (not lubricated well) Fill in grease in the bearing

steering or stuck
3. Expansion joint of steering inner articulated shaft
Fill inlubricating grease
(insufficient lubrication)

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

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

5. Absorber (invalid) Replace the absorber

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

ST-007