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Aircraft Service Manual
Jabiru Aircraft
Pty Ltd
JTM001-1
J120, J160, J170, J200/J400, J230/J430, J250/J450 Variants
REVISION
1
Dated: Nov 2011
Issued By: SW
Page: 225 of 233
20
FAIRINGS
20.1 DESCRIPTION
Jabiru Aircraft are fitted with fairings around the wing roots, wing struts, under the fuselage and
wheel spats. The ventral fin under the tail is also considered a fairing.
These fairings are attached using screws. In some cases self-tapping screws are used to attach the
fairing directly to the airframe. In other cases threaded inserts are glued into the fuselage and the
fairing screws fit into these inserts - Figure 56 shows these inserts as used to fit the inspection hatch
to the wing. Finally, in some cases anchor nuts are fitted to the aircraft or to a fairing section and the
remaining fairing attached to the anchor nuts using machine screws.
Due to space constraints not all different variations are shown herein. When ordering spare parts
provide as must detail as possible
– part description, aircraft model, serial number etc to Jabiru to
ensure accurate part identification.
20.1.1 REMOVAL AND INSTALLATION
Remove screws holding fairing to aircraft.
NOTE: some fairings
– usually the engine cowls or the ventral fin – may be fitted with lead
ballast. Care must be taken when removing fairings containing lead to ensure that they are
adequately supported while the screws are being removed to ensure no damage is inflicted to the
aircraft or fairing.
The fairings can be removed once these screws have been taken out. When removing the wing strut
fairings care should be take to avoid scratching the strut.
Installation is the opposite of removal. Care should be taken when tightening self tapping screws as
when screwing into fibreglass
it very easy to strip the hole so that it doesn’t tighten.
20.1.2 REPAIR
The fairings on Jabiru Aircraft are made from 2-3 layers of 300gram/m2 twill weave fibreglass and
epoxy resin. When damaged they may be repaired using an equivalent layup across the damage and
normal fibreglass repair techniques. Once repaired refer for repainting and filling techniques.
Self tapper holes that become stripped may be repaired using be using the next size up self tapper
(from 6 gauge to 8 gauge) however it is not recommended to go any larger.
The hole may be filled using 5-minute Araldite and redrilled again to the original, smaller size again.
If the hole has been exposed to oil or similar it will need to be cleaned with a solvent such as acetone
prior to application of the filler.
Threaded Inserts: some fairings are attached using threaded inserts (P/No. 5A048A1D) rather than
self-tapping screws. The threaded insert requires a larger drilled hole, and is bonded in using 5-
minute Araldite. This then provides a secure threaded hole for removable fairings to be attached. In
the case that a threaded insert has become loose or fallen out, it can be repaired by bonding it back
into the hole with 5-minute Araldite. If the hole has suffered damage and is too large, fill the hole in
with Araldite and re-drill, then bond the insert.