ATLET A-Ergo, Service Manual

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ATLET SERVICE MANUAL A-ERGO ATLET SERVICE MANUAL A-ERGO
Br Brak ake a e an nd s d sp pe ee ed s d sys ystte em / D m / De esi sig gn a n an nd f d fu un nct ctio ion / E n / Ele lect ctrriic b c bra rak ke e 1 11 1.3 .3
Edition 2007A Edition 2007A
1 11 1 Brake Brake and and speed speed system system
Design and function Design and function
Electric brake Electric brake
A-Ergo is fitted with a A-Ergo is fitted with an electric brake. The electric brake is a n electric brake. The electric brake is a safety brake with two fric- safety brake with two fric-
tion surfaces. The brake torque that can be tion surfaces. The brake torque that can be adjusted using an adjuster screw on the older adjusted using an adjuster screw on the older
model (–2006w46), is generated by spring pressure. The brake is activated when the volt- model (–2006w46), is generated by spring pressure. The brake is activated when the volt-
age across the coil is cut, i.e. the tr
age across the coil is cut, i.e. the truck brakes when it has no power supply uck brakes when it has no power supply..
When the brake is actuated the springs press on the plate, which is pressed axially to When the brake is actuated the springs press on the plate, which is pressed axially to
the
the rotor rotor. When the brake is to be released the coil is su . When the brake is to be released the coil is supplied with battery voltage. pplied with battery voltage.
The The magnetic field created betwee magnetic field created between the plate and the magnetic part allows the ro n the plate and the magnetic part allows the rotor to tor to
rotate freely. rotate freely.
The brake is actuated in four different ways (see also the wiring diagram):
The brake is actuated in four different ways (see also the wiring diagram):
1. 1. Vi Via the a the driv drive moto e motor reg r regulato ulator whe r when th n the regu e regulator lator indic indicates ates a se a serious rious faul fault. t.
2. 2. Vi Via the s a the steerin teering se g servo re rvo regula gulatorn, w torn, which hich disco disconnec nnects the ts the brake brake coil coil suppl supply to y to the the
plus terminal of the battery if plus terminal of the battery if a serious fault is indicated. a serious fault is indicated.
3. 3. Vi Via the f a the foot pe oot pedal, w dal, which d hich disco isconnec nnects the ts the brake brake coil s coil suppl upply to th y to the pl e plus term us terminal inal of of
the battery when the driver is not the battery when the driver is not longer actuating it. longer actuating it.
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