BR/BD 55/60 WP Technical Features
Service Information International 02.2003 Page 2 / 25
Drive
– Powersuppliedby4maintenance-freeorlow-
maintenance 6-volt batteries.
– Drive by a DC motor with differential gear.
– 2 drive wheels at the front, 2 steering wheels
at the back.
– Complete base frame made of plastic.
Brush system
– Brush head with 2 brush rollers (BR version)
or 2 disc brushes (BD version).
– Brushrollers/discbrushersareconter-rotating.
– Thebrushheadisloweredwiththepedal.The
brush drive assembly is switched on at the
same time. Press the pedal down to raise the
brushheadandswitchthebrushdriveassem-
blyoff.Ifthedrivesystemisswitchedoffwhile
operating the machine (brush head lowered
andbrushesrotating),thebrushescontinueto
run on for approx. 2 - 5 seconds until they are
automatically switched off (after-running time
can be adjusted).
– Brush contact pressure can be adjusted with
the lever.
– The brushes can be changed without tools.
Water system
– Integrated fresh and waste water tank (tank-
in-tank system).
– Whenthewastewatertankisfull,themechan-
ical float closes the suction intake in the tank
lid.
– Thewatertankjustisrestingonthebaseframe
where it is held with 2 screws.
– No water pump, the water flows to the brush
head by the force of gravity.
– Thequantityoffreshwatercanbeadjustedby
a metering valve according to the amount of
dirt.
– When the machine comes to a standstill, a
waterstop valveinterrupts thesupply offresh
water to the brush head.
Suction system
– Suctionbeam leverislowered byalever.The
suction motor starts at the same time. If the
suction beam is raised, the suction motor
switchesoffagainautomatically(after-running
time approx. 10 seconds).
– Standard suction motor with carbon brushes
(option: long-life suction motor).
– Suction beam from BR/BD 750.
– Operation possible with straight and curved
suction beam.
– Suction beam can be adjusted in pivot angle
and inclination positions without any tools.
– Rubberstripcanberaplacedwithoutanytools.
Electric components
– The electric components are located behind
thebatterychargerorunderthecontrolpanel.
– IftheEMERGENCYSTOP buttonispressed,
themachineisbrakedandswitchedOFFcom-
pletely.
