© Cesab 4 – 5 T Code(s): 841, 842, 843
Repair manual: Operation and connection sequencesModel(s): S210, S212, S212S, S212L, S214, S214L, S220D
Publication Number: 7588857-040 Date: 2018-05-01 Applies from serial number: 6384351-
4.5 Driving in the drive wheel direction
4.6 Neutral position braking
Event Driving in the drive wheel direction
Preceding event
Tiller arm is lowered to the drive position.
Action(s)
Turn the speed control in the drive wheel direction.
Influencing
elements
Speed control with Hall sensor [A5:S300-308]
Settings of operator parameters 4, 5 and 6
determine truck travel performance.
Resulting
conditions
The main contactor output voltage goes {low}
[T1:OUT. MAIN CONTACTOR]
The main contactor closes [Q10].
[T1:OUT. BRAKE RELEASE] goes {low}.
Brake coil [Q1] is activated, and the mechanical
brake is released.
The current feed to the drive motor field winding (S2
-ve and S1 +ve).
Pulsed current feed to drive motor rotor is
proportional to speed control actuation.
Event Neutral braking
Preceding event
Truck travels in fork or drive wheel direction.
Action(s)
Allow the speed control to return to the neutral
position.
Influencing
elements
Setting of operator parameter 5.
Resulting
conditions
The drive motor [M1] works as a generator and via
the transistor regulator [T1] it converts the truck's
kinetic energy into electricity, thus reducing the
truck’s speed. The excess energy, in the form of
electricity, is fed back to the battery [G1] helping to
recharge it. The mechanical brake [Q1] is applied
when the truck stops. [T1:OUT.BRAKE RELEASE]
goes {high}.
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