Nilfisk-Advance America RS 501 Manuel D’Utilisation
SERVICE MANUAL
ENGLISH
RS 501
33015500(3)2008-02
61
BRAKE SYSTEM
BRAKE SYSTEM BLEEDING
WARNING!
Brake system bleeding must be always performed with the system opened.
It must also be performed on both front wheels.
Brake system bleeding must be always performed with the system opened.
It must also be performed on both front wheels.
Check the brake fl uid level (see the procedure in the relevant paragraph).
Remove one of the front wheels (see the procedure in the relevant paragraph).
Place safety stands under the machine side sill, on the side where the wheel has been removed.
Remove the brake system bleed valve plug (A) and connect the pipe (B) to bleed the fl uid.
Press the brake pedal (57) until the pedal resistance increases. In this condition, keep the pedal pressed and unscrew the
valve (A) slightly. Let the oil and air bleed from the pipe (B) into the container (C) until no more air comes out, but oil only. Then
screw down the valve (A) and release the brake pedal (57).
Perform steps 2 to 4 in the reverse order.
Bleed the brake system also on the other front wheel, by performing steps from 2 to 6 again.
Remove one of the front wheels (see the procedure in the relevant paragraph).
Place safety stands under the machine side sill, on the side where the wheel has been removed.
Remove the brake system bleed valve plug (A) and connect the pipe (B) to bleed the fl uid.
Press the brake pedal (57) until the pedal resistance increases. In this condition, keep the pedal pressed and unscrew the
valve (A) slightly. Let the oil and air bleed from the pipe (B) into the container (C) until no more air comes out, but oil only. Then
screw down the valve (A) and release the brake pedal (57).
Perform steps 2 to 4 in the reverse order.
Bleed the brake system also on the other front wheel, by performing steps from 2 to 6 again.
B
A
C
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