Nilfisk-Advance SW900, Service Manual

Page: 118 / 137

Side Broom System 118 Service Manual – SW900
Side Broom System
Functional Description
The right/left lever on the handle determines the de -
scent of right/left side broom which is released by a
metal cable connected to its support plate
The broom is fastened to the reduction unit shaft with
an axial threaded knob
Battery Version
The electromagnetic switch (K0) directly drives the
main motor (M0) and the side broom motors (M2) and
(M3*), while the relay (K1*) turns on the filter shaker
motor (M1)
On the circuit of the side broom motors (M2) and
(M3*) there are microswitches (SW2) and (SW3*)
respectively, which deactivate the relevant motors
when the brooms are lifted from the ground by means
of the manual levers on the handlebar
The side broom motors (M2) and (M3*) are protected
by 5A circuit breakers (FB) and (FC*) respectively
Petrol Version
The dynamotor (G) provides the current necessary
for the activation of the side broom motors (M2) and
(M3*)
When the engine is turned on, the current generat -
ed by the dynamotor (G) directly activates the side
broom motors (M2) and (M3*)
On the circuit of the side broom motors (M2) and
(M3*) there are microswitches (SW2) and (SW3*)
respectively, which deactivate the relevant motors
when the brooms are lifted from the ground by means
of the manual levers on the handlebar
The side broom motors (M2) and (M3*) are protected
by 5A circuit breakers (FB) and (FC*) respectively
* : when the left broom is equipped