A way to diagnose a car malfunction

Electric sanitation garbage truck has become the main force of the sanitation department, in the daily sanitation work occupies a great part, sometimes in driving electric sanitation garbage truck will appear when the steering is not flexible, the operation is not stable, how is this going on?

1, first look at the electric sanitation garbage truck steering wheel free turning momentum, if the momentum is too large, may be the steering system clearance is too large

2. After eliminating 1, the reasons for the failure may be: the front hub bearing clearance is too large, the kingpin and the steering knuckle bushing hole clearance is too large, the kingpin and the steering knuckle axial clearance is too large, and the front beam is too large, etc.

3. After excluding 1 and 2, one person can turn the steering wheel in situ and the other person can observe the swing of the hanging arm. If this is the automatic rotation momentum of the steering wheel or normal, it may be the looseness of the steering gear or the steering gear.

At ordinary times the use of electric sanitation garbage truck before the need for a general inspection of the car, see if there is a different, found that the problem should be repaired in time, to ensure the normal work.