Safety Section
-23-
Lift Truck Stability Base
For the lift truck to be stable (not tip over forward or to the
side), the CG must stay within the area of the lift truck
stability base - a triangular area between the front wheels
and the pivot of the steer wheels. If the CG moves
forward of the front axle, the lift truck will tip forward. If the
CG moves outside of the line on either side of the stability
base, the lift truck will tip to the side.
WARNING
Dynamic forces (braking, acceleration, turning) also
affect stability and can produce tipover even when
the CG is within the stability triangle.
Capacity Load (Weight and Load Center)
The capacity load of the lift truck is shown on the
capacity/nameplate riveted to the truck. It is determined
by the weight and load center. The load center is
determined by the location of the CG of the load.
The load center shown on the nameplate is the horizontal
distance from the front face of the forks, or the load face
of an attachment, to the CG of the load.
The location of the CG in the vertical direction is the same
as the horizontal dimension.
Remember that, unless otherwise indicated, the capacity
load shown on the nameplate is for a standard lift truck
with standard backrest, forks and mast, and having no
special-purpose attachment. In addition, the capacity
load assumes that the load center is no further from the
top of the forks than it is from the face of the backrest. If
these conditions do not exist, the operator may have to
reduce the safe operating load because the truck stability
may be reduced. The lift truck should not be operated if
its capacity/nameplate does not indicate capacity load.
NOTE: If the load is not uniform, the heaviest portion
should be placed closer to the backrest and
centered on the forks.
NOTICE
1. Capacity/Nameplates originally attached to
forklifts sold by DOOSAN shall not be removed,
altered or replaced without DOOSAN's approval.
2. DOOSAN assumes no responsibility for lift trucks
placed in service without a valid DOOSAN
Nameplate.
3. If necessary to change your specification,
contact your DOOSAN lift truck dealer.
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