Nederman 920/1500, Installation And Service Manual

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Trolley Return Unit 920/1500 EN
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5. Fit the limit switch SL4 on the rear of the drive unit as illustrated, see Figure 6.
6. Adjust the sensor so that the measurement ‘X2’ is 30 mm.
RH: Reposition fork.
7. Fit the guide pulley on the rail’s centre most mounting bracket, see Figure 7. If there
is a structure immediately above the guide pulley (a structure which can obstruct the
balls on the wire) a new hole for the guide pulley attachment must be drilled below
the existing hole in the bracket.
8. Fit the driving slot on the suction trolley, see Figure 8 item ‘a’.
(RH) Disassemble the driving slot first and reassemble it according to Figure 8 item
‘b’.
NOTE!
The supplied spacer washer must be used between suction trolley and angle
bracket.
Caution! Risk of equipment damage.
If the overload release screw is adjusted to contact with steel springs it will cause the
system to malfunction (due to a limit switch signal short circuit).
9. Check the adjustment of the overload release screw. The screw tip shall protrude 15
mm from plastic, but it can be adjusted if necessary, see Figure 8 item ‘b’.
Figure 6
SL4
X2
Vehicle travel direction
Figure 7
Figure 8
Driving slot
Spacer
Vehicle travel direction
a
Overload release screw
Spacer
b
b
a