SK375-AT3
Steering system
Truck
12-4
SPIERINGS MOBILE CRANES USER MANUAL V 0.0
Nov
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The oil pump on het diesel engine provides the control valve with pressure for the operation of the
steering cylinder on het rear axle.
If the steering system fails, symbol
Malfunction steering system
appears on the main screen.
In some cases, the
yellow warning light
becomes active. The error code(s) appear(s) on the display of
the
control panel steering system
on the control panel.
Please write down this error code(s) and contact Spierings Mobile Cranes.
If an electrical malfunction occurs while driving the vehicle, it remains steerable. The steering system
ensures that the main steering cylinder of the rear axle will centre and rigid itself. The mechanically
steered axles remain normally steerable.
Stop as soon as possible to restore the failure.
For more information, see
Chapter 8. Hydraulic system.
12.4.
Maintenance steering system
12.4.1.
Checking steering system
Check the steering system with two people!
Secure the crane to its
transport position
.
While one person moves the steering wheel slightly to the left and to the right, the other one must
check the steering arms and steering ball joints, steering box (bolts) and steering rods for play and
wear.
12.4.2.
Aligning
Before aligning the vehicle, play of the steering arms and steering rods must be checked.
Since the vehicle is equipped with electronic centre position signalling, before aligning it is
recommended to contact Spierings Mobile Cranes.
CHECK / TEST!
Check every 2 months if there is no play in the steering arms, steering ball joints,
steering box(bolts) and steering rods of the steering system.
THREAD TO CIRCULATION!
Make effective arrangements with each other in order to prevent entrapment!
CHECK / TEST!
To prevent excessive tyre wear, the truck must be aligned once a year.
