BT LWE130 - Electric Component Overview

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
Diagram ref. Picture ref.
Inf.
Energy and main power isolation
G1,
G2
Main electrical power source Traction battery 12 V Fig. 5 Fig. 2
S170 Start interlock Interlock device Fig. 6 Fig. 2
K10 Main contactor Contactor Fig. 5 Fig. 2
S171 Secondary interlock Auxiliary contactor
switch
Fig. 5 Fig. 2 2
PTC Temporary supply PTC resistor Fig. 5 Fig. 2
Equipment protection
F 1 Traction & pump motor protection Fuse 100 A Fig. 5 Fig. 2
F 50 Operating circuit protection A1 Fuse 5 A Fig. 5 Fig. 2
F 51 Battery charger protection A30 Fuse 10 A Fig. 5 Fig. 2
Control and Signal processing
A1 Traction & braking power control Transistor regulator Fig. 5, Fig. 6 Fig. 2
S17 Key switch on Switch Fig. 6 Fig. 2
H81 Battery status indication (BDI) LED Fig. 6 Fig. 2
Safety and braking
S21 Emergency switch-off Switch Fig. 6 Fig. 2
S10 Tiller in drive position Switch Fig. 6 Fig. 2
S20 Emergency reverse (belly button) Switch Fig. 6 Fig. 1
Y1 Mechanical brake Electromagnetic
brake
Fig. 5 Fig. 2
H1 Audible warning signal -Horn Horn Fig. 6 Fig. 2
S18 Horn activation Switch Fig. 6 Fig. 1
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