Other Additional Information
13.9
13.7.4 Creating an Opening in the
Roof
When creating an opening in a Sprinter roof, reinforce the
opening using a profiled frame. If utilizing a profiled frame
is not feasible, additional roof bows must be installed.
Height of roof Moment of inertia IX for each roof bow
250 mm 40,000 mm
4
400 mm 65,000 mm
4
550 mm 86,000 mm
4
Above specifications are based on a plastic roof
with an elasticity modulus of 7,000 N/mm
2
/psi and
a wall thickness of 4 mm/inches.
Plastic roofs have limited suitability for installing
roof hatches. The size of the roof hatch must be
limited when utilizing a plastic roof to avoid roof
crush, serious injury or death in case of an
accident.
If a pop up roof is installed, at least two thirds of the
original roof area must be retained. Do not remove
struts or other load-bearing components when
installing a pop up roof.
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