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2 INSTALLATION
If possible, assemble the chopper with its base on a flat metal surface that has not been
painted or cleaned. It is advisable to spread a layer of thermo-conductive grease
between the two surfaces to improve the transmission of heat.
Although the chopper is protected against external agents, the connector contacts may
become oxidised due to the presence of corrosive substances. This factor should be
taken into consideration when choosing where to install the chopper on the vehicle.
Secure the chopper using the pre-drilled holes on the aluminium fixing plate. Check to
make sure that the cable terminals and connectors are wired correctly. Remember to
install a snubber circuit on the horn, relays, solenoid valves and electromagnetic
switches not connected to the chopper, such as the motor pump contactor.
2.1 CHOICE OF CONNECTING CABLES
Use cables with a cross section of 0.5mm
2
for auxiliary circuits.
Use 6mm
2
cables for power connections to the motor and to the battery.
The cables connecting the chopper to the battery should be laid side-by-side and be as
short as possible.
2.2 FUSES
- Use a 6A fuse to protect auxiliary circuits.
- Use a 50A fuse to protect the power unit.
The values given are the maximum permitted values and can be reduced for special
applications or requirements.
For safety purposes is it advisable to use shielded fuses to prevent molten particles
being scattered in the event of a blowout.
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