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Version 17.01, as of: 27-Jun-2017
08. Fitting the two-layer carrier system
8.1 General information
In contrast to single-layer carrier rails, this method additionally employs carrier rails as so-called roof hook
connecting rails before the actual carrier rail is fitted.
8.2 Type e.g. TF50+ roof hook connecting rails
L = (MB + 24 mm) × n + 32 mm
Carrier rail length =
(MB + 24 mm) × number of modules per row + 32 mm
L2 = (MH +20 mm) × n2 – 20 mm
Roof hook connecting rail length =
(MH + 20 mm) × number of module rows – 20 mm
TF50+/TF50m/TF60 roof hook connecting rails
Type TF50+/TF50m/TF60 carrier rail
Figure 98: Roof hook connecting rails and carrier rails as a unit
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