Bosch e-GoKart PowerTrain Young Star Manual page 39

Overall Integration Requirements of e-GoKart System Components into the Superior Vehicle Context | 5
# Maximum allowed shear force Fmax on point A during assembly and screwing is limited
by Fmax =180 N.
Illustration 31: Fixation A, Specification isolation bushings
# It is not allowed to place transportation appliance inside bushings for transportation of
the Power Unit PU 5-10 out of package to assembly line in the plant.
# The screws are turned into the screwing bushes at slip ring end shield (screws are Power
Unit PU 5-10-ground). The screws are in responsibility of the CUSTOMER. A dielectric
strength of 1 kV is recommended.
# The CUSTOMER side of the contact surface of the isolation bushes shall be considered
with a diameter of at least 19 mm. Furthermore, the contact surface must be even, free
from burrs and free of prints.
# Screws to connect the wiring harness to the Power Unit PU 5-10 are in the responsibility
of the CUSTOMER.
# At assembly or disassembly of the wiring harness to or from the B+/B- bolts of the
Power Unit PU 5-10, the used tightening torque shall not exceed the maximum allowed
torque, according to VDA specification.
# The screw connection for the assembly of the cable lug to the B+/B-bolt has to be de-
signed by the OEM so that an autonomous loosening is not possible over the whole life-
time of the Power Unit PU 5-10.
# The CUSTOMER shall ensure that this force limitation in considered by field service (ser-
vice installations, etc.).
# Furthermore the design of the B+/B- cable and cable lug shall consider a permissible
force application onto B+/B- connection <100 N.
5.3.5 Display Unit DDU 18
The Display Unit DDU 18 can be mounted as stand-alone display to the handlebar or as
an integrated display in the dashboard. The readability is depending on the mounting
situation, especially the mounting angle.
For mounting, there are 4 fixing points with M4 thread available.
Bosch Motorsport e-GoKart_Powertrain__Young_Star__Manual 39 / 60