Checking The Air Intake System; Cleaning The Dry Air Filter - Rotax 912 iSc Maintenance Manual

9.2) Checking air intake system
General note
Carry out visual inspection of dry air filter after prescribed maintenance
interval. Clean dirty air filter as described in aircraft manufacturers Mainte-
nance Manual.
To check the air intake system the following steps are necessary:
Instruction
Step
1
2
3
4
5
9.3)

Cleaning the dry air filter

General note
To clean the dry filter the following steps are necessary:
Cleaning
See
Step
1
2
3
Effectivity: 912 i Series
Edition 1/Rev. 0
BRP-Powertrain
MAINTENANCE MANUAL
In the event of dust formation, clean air filter at corre-
NOTICE
WARNUNG
spondingly shorter intervals. If filter mat is damaged,
replace air filter.
A dirty filter insert will not only reduce the engine per-
NOTICE
WARNUNG
formance but might also promote premature wear of
the engine.
Visual inspection of the air filter.
Visual inspection of the airbox for mechanical damage, cracks, leaks, contam-
ination and secure attachment.
Inspect the intake hoses and molded hoses for damage, cracks, breaks, chaf-
ing and wear.
Check the gaskets.
Check both pressure sensors and their plugs.
Never use gasoline, steam, caustic liquids, strong de-
NOTICE
WARNUNG
tergents, particle cleaning agents or high pressure
cleaners during this step.
Do not dry over open flame, with compressed air or
NOTICE
WARNUNG
with hot air gun.
Fig. 10 and Fig. 11.
Lightly tap and brush off surface dirt (A).
Spray K&N filter cleaner onto filter surface and leave to soak for approx. 10 min.
(B).
Rinse air filter with low pressure water from inside to outside and let element
dry naturally (C).
Procedure
Procedure
12-20-00
page 22
January 01/2012