Jabiru J450 Constructors Manual
Pre-Paint>Fuselage>Interior>Fit seatbelt anchors
Tuesday, April 6, 2010
141 of 343
Pre-Paint>Fuselage>Interior>Fit seatbelt anchors
Objectives of this task:
This task shows how to fit the seatbelt anchors. While this is quite a simple task it is also an
extremely important one – the seat belts
must
be anchored correctly because if you ever
really
need your seat belt (and here‟s hoping that you never do) it has to be attached to the airframe
in the designed manner for maximum safety.
Materials required:
Card # J9 „
Seatbelts
‟
Bottom anchor brackets: front seat
Both bottom anchor brackets are attached to the main beam that runs behind the seats.
Start by marking a horizontal line 100mm up from the base of the main beam on each side of
each seat, and then mark a vertical line 50mm out from each side of the centre console. Mark
another vertical line 50mm in from the fuselage skin.
Hold a bottom bracket inside and below where each pair of lines meet and drill a 3/16” hole
through the top hole and slip a bolt through and then check each anchor bracket for square and
drill the bottom hole.
Fix each anchor bracket in place with AN3 bolts through the bracket, the beam, the
rectangular backing plate, a washer and a Nyloc nut. Tighten firmly.
50mm
50mm
Base of
main beam
Fuselage
skin
Console
Main
beam
Pilot‟s seat
back
Lower
anchors
100mm