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MAINTENANCE MANUAL
BRP-Powertrain
Effectivity: 914 Series
Edition 2 / Rev. 0
12-20-00
page 65
January 01/2010
15) 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:
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.
Summary of Contents for 914 series
Page 183: ......
