page 35
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OPERA
TOR
INS
TALLATION
S
ECTION
6
FIGURE 62
FIGURE 63
FIGURE 64
Position the
SDO4
again, as shown
in Figure 60, and measure the
length needed from the ceiling to the
underside of the drive rail, marked
as ‘Value Xmm’ in Figure 62.
Mounted punched
angle iron
Ceiling
Value Xmm
SDO4
Drive rail
Remove the two drive rail hanger
nuts from the gutter bolts, and
locate the two lengths of punched
angle iron into position as shown in
Figure 64. Secure them in position
with the two drive rail hanger nuts.
Two equal
lengths
of punched
angle iron
Value Xmm
Value Xmm
Drive rail
hanger nut
Drive rail
hanger bolt
SDO4
Drive rail hanger
bracket
Punched
angle iron
Using an angle grinder or hack saw,
cut two lengths of punched angle
iron to the measurement taken for
‘Value Xmm’.
Snip off the four corners of
the punched angle iron to
add a degree of safety and
neatness to the installation.