Electrical systems – 5000 LPE 240
Functional description
Order number
Date
Valid from serial number
T-code
225553-040
2005-05-11
723984-
660, 661, 662, 497
© BT Europe AB
Service Guide
LWE180, LWE200, LPE200, LPE240
10- 11
10.3 Functional description
10.3.1 Starting the truck
•
Battery connector plugged in.
•
S21 closed.
•
S17 on.
10.3.2 Driving without using platform and
gates, speed
≤
6 km/h
•
S59 open.
•
S10 closed.
•
L1 activated in any direction.
10.3.3 Driving from platform without using
gates,speed
≤
6 km/h
•
S 19 closed.
•
S10 closed.
•
L1 activated in any direction.
10.3.4 Driving from platform and using gates,
speed
≥
8 km/h
•
S 19 closed.
•
S 53 closed.
•
S10 closed.
•
L1 activated in any direction.
10.3.5 Neutral speed reduction
•
L1 to neutral position, motor starts to work as generator. Brake ener-
gy comes back to battery.
•
Load sensor P1 determines speed reduction force.
•
Y1 will be applied when the truck comes to a stand still even if the till-
er arm is in drive position.
•
Energy back to the battery, see picture.
•
The transistors (T2) for the generated brake current are not live.
T
M-
B+
S1
S2
K10
A
A1
A2
Sh
u
n
t
B-
+
-
A1
Ia
Ish
T1
T2
M-
B+
S1
S2
K10
A
A1
A2
Sh
u
n
t
B-
+
-
A1
Ia
Ish
T2
T1
