By-Passing; Load Centre Limitation - Kalmar DRF420-60S5 Maintenance Manual

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8 Control system – 8.2.2 By-passing
8.2.2
By-passing, description
When the overloading system is activated and turns off the hydrau-
lics it may be in a situation where it is necessary to by-pass the safe-
ty system.
By-pass is activated with a switch, there is one to three switches de-
pending on the machine's equipment:
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•
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By-passing the safety system makes it possible to:
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•
•
•
•
•
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•
By-passing the safety systems results in risk of tip-
ping forward, use at your own risk.
8.2.3
Load centre limitation, description
Load centre limitation prevents the load from coming too close to
the machine. The load centre limitation is controlled by the control
system with signals from Sensor boom angle and Sensor boom
length. For example, this is used in connection with cab lift to pre-
vent that the container damages the cab.
For details about lift, lower and extension, see section 7 Load han-
dling.
Maintenance manual DRF 400–450
https://www.forkliftpdfmanuals.com/

By-passing

Switch by-pass
Switch by-pass of load centre and height limitation
Switch rotation stop
lowering of load in case of overloading
locking and opening twistlocks without full alignment
Spreading 20'-40' with locked twistlocks
bottom lift without full alignment
manual control of recirculation damper for ECC or EHC
release of parking brake in case of malfunction of switch parking
brake
lift above height limitation
rotation past rotation stop
load handling past limitation for load centre limitation.
lifting, lowering and extension with active error on overloading
system
D AN GE R

Load centre limitation

11
UDRF01.04GB