3. Pull the connecting hose [17] over the hose connector at the gearbox.
4. Fix the connecting with the spring band clamp [20].
5. Put the second spring band clamp [16] for installation purposes on the connecting
hose as near as possible towards the previously installed spring band clamp.
6. Pull the connecting hose [17] over the hose connector at the air intake manifold.
It is absolute necessary to pull the connecting hose [17] over the hose connector at the air
intake manifold before the gearbox is moved to its end position. A later installation of the
connecting hose will be not possible due to lack of space.
7. Put the gearbox [10] in place in front of the engine.
8. Insert the 11 screws [09] on the gearbox and equally torque the screws with 22 Nm.
Four different types of screws are used. Make sure that the correct screws according to the
marking during removal are used.
9. Fix the connecting hose [17] at the air intake manifold hose connector with the spring
band clamp [16].
10. Install the two forward engine mounts [07] and [08] to the gearbox - refer to the
applicable Aircraft Maintenance Manual.
11. Remove the forward lifting eyelet [06].
12. Install the starter on the engine - refer to Maintenance Manual E4.Aug.Apr.
13. Connect the pressure line [13] to the governor (if pressure line is installed)- refer to
the applicable Aircraft Maintenance Manual
14. Connect the electrical connector [03] “GOV/M55” to the governor solenoid.
15. Connect the electrical connector [05] of the gearbox temperature sensor marked with
“GBTS/B50)”.
16. Connect the electrical connector “CTS_GPC” to the CTS_GPC sensor [15] at the
gearbox (only “-A” engine configuration)
17. Install the gearbox magnetic drain plug [02] – refer to Maintenance Manual
E4.Aug.Apr.
18. Fill the gearbox according to Maintenance Manual E4.Aug.Apr.
19. Install the filling plug [01] with 12 Nm and apply safety wire according to the standard
practices.
20. Install the coolant hoses – refer to the applicable Aircraft Maintenance Manual.
21. Fill engine with coolant and bleed the cooling system – refer to the applicable Aircraft
Maintenance Manual.
22. Install the adequate propeller - refer to the applicable Aircraft Maintenance Manual.
23. Perform an engine ground run according to Maintenance Manual E4.Aug.Apr.
24. After the ground run check gearbox oil and coolant system for leakage.
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