Austro Engine E4 Series - Page 73

E4 Series
Maintenance Manual
Time Limits and
Maintenance
Check
E4.08.04
Rev. 29
Page 203
05-Maintenance Check
20-Jul-2020
Activities/Service Interval
100 h
300 h
COOLING SYSTEM
29.
Visually examine the Cooling System.
– Look especially for signs of wear and leakage.
– Make sure that the connections are tight fitted and the hoses
are not damaged.
X
X
OIL SEPARATOR
30.
Examine the outlet of the Breather Line for abnormal quantity of oil (oil
dust has to be expected).
– In case of oil detection, clean the Breather Outlet and do an
engine ground run according to Section 71-00-01.
– After the ground run examine the breather outlet again for
obvious oil accumulation.
– Examine and replace the breather line according to the
applicable Aircraft Maintenance Manual.
X
X
ENGINE
31.
Disconnect Cylinder Head Drain Line from cylinder head below the high
pressure fuel pump.
Carefully blow compressed air through the drain hole.
Blow compressed air through the Cylinder Head Drain Line to make
sure that the line is not clogged.
Connect the Drain Line.
X
X
32.
Remove the Injector Cover according to Section 85-10-00 Paragraph
3.A.
X
33.
Visually examine the high pressure fuel lines for signs of wear, leakage
and poor condition.
X
34.
Visually examine the Injectors for:
- fuel/oil leakage at injectors attachment
- fuel leakage at common rail
- fuel leakage at fuel return line
Do a check of the nuts torque at common rail side.
Do a check of the nuts torque at fuel line. Refer to Chapter 73 for
torque values.
NOTE: Any leakage must be documented and reported to Austro
Engine GmbH.
X
35.
Examine the Oil Separator hoses for damage.
X
36.
Examine the Oil Separator for signs of leakage.
X
37.
Visually examine for coolant loss at the cylinder head.
X
38.
Clean the area below the injector cover using cleaning agent. Make
sure that the cylinder head drain is not clogged:
The cleaning agent must drain off through the cylinder head drain line.
- Do not apply cleaning agent on opened sensor connections.
X