Nederman 920/1500, Installation And Service Manual

Page: 15 / 44

Trolley Return Unit 920/1500
15
EN
a
b
g) While the idler pulley unit is not fixed to the rail, push the idler pulley unit as far
as possible towards the end of the rail and fix the idler pulley unit to the rail.
28. Tighten the wire further by adjusting the screw and nuts on the end of the idler
pulley unit until the spring is compressed to a 50 mm (2’’) length, see Figure 16.
29. Check the wire tension, see also Section ‘5.5 Installation checking’.
30. Check that the wire is running in the centre of the driving slot spring fork (on the
suction trolley). Adjustments can be made by laterally pressing the idler pulley unit
panel slightly. See Figure 19.
31. Mount the supplied stop balls on the wire directly before each knot (with regard to
wire travel direction). See Figure 20 item ‘a’.
NOTE!
The hexagon socket screw must be tightened against the wire protection
sheet according to the picture. See Figure 20 item ‘b’.
Figure 19
Figure 20
Wire protection sheet
Vehicle departure Vehicle arrival
Vehicle arrval Vehicle departure
LH wire travel direction
RH wire travel direction
LH installation
RH installation