Austro Engine E4 Series - Page 605

E4 Series
Maintenance Manual
Reciprocating
Engine
E4.08.04
Rev. 29
Page 317
85-Maintenance Procedures
01-Jul-2020
Detail Steps/Work Items
Key Items/References
Refer to Fig. 85 - 140.
Because of the aircraft system structure, identify the TDC position with a
mirror or a torch light when the engine is installed on the aircraft.
(2)
Turn the propeller until you get the TDC
position.
Record the values at the dial gauge.
Turn the engine for one revolution to get the
second TDC position.
Because of the gearbox transmission,
the propeller must be turned for a 3/5
revolution to turn the engine for one
revolution.
(3)
Obey the indicator scale of the TCMT.
Refer to Fig. 85 - 139.
(4)
Turn the engine again and do the following check sequence:
 Turn the engine at the propeller two times and adjust it at the first TDC point.
 After 10 seconds (for balancing reasons), obey the indicator scale of the TCMT.
 Turn the engine at the propeller for one engine revolution (3/5 propeller
revolution)
 After 10 seconds (for balancing reasons), obey the indicator scale of the TCMT.
 Turn the engine at the propeller for one engine revolution (3/5 propeller
revolution).
 After 10 seconds (for balancing reasons), obey the indicator scale of the TCMT.
 Turn the engine at the propeller for one engine revolution (3/5 propeller
revolution).
 After 10 seconds (for balancing reasons), obey the indicator scale of the TCMT.
 Turn the engine at the propeller for one engine revolution (3/5 propeller
revolution).