12- 4
Service Manual
LWE130
© BT Europe AB
Electrical system – 5000
Electrical equipment overview
T-code
Valid from serial number
Date
Order number
675
914369-
2005-09-23
226057-040
12.3.1 Electric component overview
The following table shows a summary of the major electric components
of this truck.
Table 4: Component designation overview
Designation
Function
Component
type
Diag
ram ref.
Pictu
re ref.
Inf.
Energy and main power isolation
G1,
G2
Main electrical power source
Traction battery 12 V
S170
Start interlock
Interlock device
K10
Main contactor
Contactor
S171
Secondary interlock
Auxiliary contactor
switch
2
PTC
Temporary supply
PTC resistor
Equipment protection
F 1
Traction & pump motor protection
Fuse 100 A
F 50
Operating circuit protection A1
Fuse 5 A
F 51
Battery charger protection A30
Fuse 10 A
Control and Signal processing
A1
Traction & braking power control
Transistor regulator
S17
Key switch on
Switch
H81
Battery status indication (BDI)
LED
Safety and braking
S21
Emergency switch-off
Switch
S10
Tiller in drive position
Switch
S20
Emergency reverse (belly button)
Switch
Y1
Mechanical brake
Electromagnetic
brake
H1
Audible warning signal -Horn
Horn
S18
Horn activation
Switch
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