SK599-AT5
Driving
Truck
SPIERINGS MOBILE CRANES USER MANUAL V 0.1
4-57
D
ec
2
01
6
C
h
an
ges
an
d t
y
po
gr
ap
hi
c
al
er
ro
rs
res
er
v
ed.
©
20
1
6
S
pi
er
ings
M
obi
le
C
ran
es
–
A
ll r
ight
s
re
se
rve
d
.
4.16.2.
Instructions for driving with an erected tower
Check the roadway and the new working site
1. Check if the roadway is levelled:
-
The maximum permissible tilt of the truck is 2°;
2. Check if there are no sharp turns along the driving path;
3. Check if the load capacity of the soil is sufficient:
-
Are there no cavities or pipes such as sewage systems, embankments, wells, cellars?
-
Is the soil hardened or are there suitable drive plates available?
-
Are there transitions from hard to soft soil?
4. Check if there is enough space to drive with an erected tower:
-
Mind the width of the vehicle with extended outriggers.
Check the position / status of the crane
1. Check the current wind force on the
touch screen
:
-
The maximum permissible wind force is 3 Bft (5.4 m/s);
-
Compare the current value with the weather forecast;
-
The wind force may fluctuate during time. Take this into account;
2. Check if the tyre pressure of all tyres is in the range of 9.0 – 9.2 bar (measured at cold tyres)
(see
§ 11.5.2. Tyre
pressure
);
3. Check if the crane is build at
half height
(NOT at full height):
-
Only the intermediate tower is extended;
4. Check if the jib is in
horizontal position
(NOT 30° topped):
-
If not, top the crane to
horizontal jib
;
5. Check if there is no load in the hoisting hook;
6. Let the trolley travel in or out till it is positioned 5 meters away from the tower:
-
Lift or lower the hoisting block till it is situated 5 meters away from the jib;
-
The upper frame is locked, with the jib over the front of the truck:
•
Check if the upper frame is correctly locked;
7. Turn off the
diesel engine crane
;
8. Check if the outrigger beams are all fully protracted (
full outrigger base
);
9. Operate switch
all axles up / down
to create a ground clearance of approx. 10 cm of the
outrigger plates.
CAUTION!
•
Driving with an erected tower is a risky act, which is exclusively carried out
by the own responsibility of the driver.
•
The instructions are just meant to help the driver in his preparations for
driving with an erected tower.
•
Spierings Mobile Cranes is NOT responsible for missing instructions or
unforeseen situations, which may occur during driving with an erected tower.
