TM-5-5420-279-10
Overload Safety Feature
2.6.9.1
If the maximum load capacity is exceeded, all working movements that increase the
load moment and `lower boom' are switched off.
2.6.9.2
Shortly before the maximum load is reached, the crane overload warning lamp (1) on
the crane column illuminates.
NOTE
The crane overload warning lamp (1) will flash once when the crane is switched on, this
indicates that the crane overload safety circuits are operating correctly.
1
A LAS
T
POWER
OVERLOAD
STABILIZER
LM +
ON
CRANE
EXTENDED
SYSTEM
FLOOD LIGHT
LIGHTING
LM +
ON
ON
HAND LEVER
OFF
SYSTEM
DIMMER
OFF
EMERGENCY STOP
686A386
Figure 2. 33 Crane Overload Warning Light
2.6.9.3
The crane load is reduced by working movements that decrease the load moment,
once this is done the full working functions are restored.