General Notes Concerning The Exhaust System - Rotax 914 series Installation Manual

back pressure at high performance:
(both ignition circuits switched on)
max. ........................................................................ ..... 0,15 bar (2.17 PSI)
The measurement should be taken in a distance of about 15 mm (0.6 in.) away from
the exhaust flange. See Fig. 13/1. There is no standard connection provided to
measure the back pressure.
Reading of the back pressure has to be taken for certification to the latest
requirements such as FAR or EASA has to be conducted by the aircraft manufac-
turer.

11.2) General notes concerning the exhaust system

The ball joints should be greased with heat resistant lubricant (ie.: LOCTITE
ANTISEIZE) to avoid jams and locks of the ball joint.
■ CAUTION:
Effectivity: 914 Series
Edition 2 / Rev. 0
BRP-Rotax
INSTALLATION MANUAL
Vibrations due to improper installation and maintenance are a
common source for errors of the exhaust system.
page 41
July 01/2008