d02880.fm
MAINTENANCE MANUAL
BRP-Powertrain
Effectivity: 912 Series
Edition 2 / Rev. 0
12-20-00
page 59
October 01/2009
13) Flushing the oil circuit
General note
Oil lines Dismantle and flush oil lines as per instructions of the aircraft manufac-
turer.
Oil tank Clean the oil tank.
Temporary oil
lines
Temporary oil lines (only for flushing) must be fitted so that the oil cooler
is not connected. The return line is routed into a separate, clean recepta-
cle and not back to the oil tank.
NOTES: Otherwise, metal chips could penetrate the radiator or oil
tank during flushing.
Filling Fill the oil tank with approx. 3 l (0.8 gal (US)) of engine oil.
Procedure The following steps have to be carried out after refilling:
Reconnect negative terminal of aircraft battery.
Purging of the oil system, see chap. 12-20-00 section: 11.7).
Equipment
WARNUNG
WARNING
Risk of electric shock!
Switch off ignition and remove key! Disconnect nega-
tive terminal of aircraft battery.
WARNUNG
NOTICE
The oil level in the tank must not drop below the end of
suction pipe, otherwise air will be sucked in again.
Step Procedure
1 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.
2 Control the oil captured during the rinsing process. The rinsing process is
complete when no more contamination can be discovered.
3 Install cleaned oil lines and oil cooler according to the manufacturers instruc-
tion.
4 Install new oil filter and refill with oil.
WARNUNG
NOTICE
Inspect all the equipment in accordance with the Main-
tenance Manual of the aircraft manufacturer.
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