Nilfisk-Advance SW900, Service Manual

Page: 136 / 137

Wheel System, Traction 136 Service Manual – SW900
Drive belt, check/replacement
Check
1 Drive the machine on a level floor and ensure
that it cannot move
2 Turn the ignition key to “0”
3 Remove the hopper by using its transport handle
and wheels
4 Disengage the front fastener and open the
battery/engine compartment hood.
5 Remove the screws (A) and the right side panel
(B) from the machine
6 Visually inspect the entire length of the drive
belt (C) to make sure it is intact and shows no
signs of cuts, tears or cracks, if necessary replace
it. If necessary, replace the belt.
7 Check that the flexible tensioner (D) is working
and that it operates correctly on the drive belt
(C) Check that the rotation pulleys of the
belt (C) rotate freely and are free from dirt
and foreign materials (ropes clothes, etc. )
accidentally rolled up on their rotation shafts
Replacement
8 Move the flexible tensioner (D) away from the
belt (C), then release the belt from the pulley
(E)
9 Remove the belt (C) by disengaging it from the
lower pulley and from the drive wheel (F), by
gently lifting the wheel itself
10 Install the new belt (C) by performing the steps
3 to 9 in the reverse order
11 Check the drive system control cable (see the
procedure in the relevant paragraph)
P200357