Flushing The Oil Circuit - Rotax 914 series Maintenance Manual

15) Flushing the oil circuit

General note
Dismantle and flush oil lines as per instructions of the aircraft manufac-
Oil lines
turer.
Clean the oil tank.
Oil tank
Temporary oil lines (only for flushing) must be fitted so that the oil cooler
Temporary oil
lines is not connected. The return line is routed into a separate, clean recepta-
cle and not back to the oil tank.
NOTES:
Fill the oil tank with approx. 3 l (0.8 gal (US)) of engine oil.
Filling
The following steps have to be carried out after refilling:
Procedure
Step
1
2
3
4
Reconnect negative terminal of aircraft battery.
Purging of the oil system, see chap. 12-20-00 section: 13.7).
Equipment
Effectivity: 914 Series
Edition 2 / Rev. 0
BRP-Powertrain
MAINTENANCE MANUAL
Risk of electric shock!
WARNING WARNUNG
Switch off ignition and remove key! Disconnect nega-
tive terminal of aircraft battery.
Otherwise, metal chips could penetrate the radiator or oil
tank during flushing.
The oil level in the tank must not drop below the end of
NOTICE
WARNUNG
suction pipe, otherwise air will be sucked in again.
Turn engine by hand in direction of engine rotation to return the oil from the
oil from the oil tank into the engine and into the collection container. The pro-
cedure is complete when no more contamination can be discovered.
Control the oil captured during the rinsing process. The rinsing process is
complete when no more contamination can be discovered.
Install cleaned oil lines and oil cooler according to the manufacturers instruc-
tion.
Install new oil filter and refill with oil.
Inspect all the equipment in accordance with the Main-
NOTICE
WARNUNG
tenance Manual of the aircraft manufacturer.
Procedure
12-20-00
page 65
January 01/2010