79-00-40 Oil Sump
79-00-41 Removal of the Oil Sump
1. Remove the engine - refer to the applicable Aircraft Maintenance Manual.
2. Remove the gearbox - refer to Chapter 85-10-11.
3. Remove the belt tensioner - refer to Chapter 85-40-21.
4. Drain the engine oil from the oil sump - refer to Chapter 79-00-20.
5. Remove the oil return line - refer to Chapter 79-00-11.
6. Remove the oil filter housing drain line - refer to Chapter 79-00-111.
7. Remove the screws from the oil sump [11], [12], [13] and [14].
8. Remove carefully the oil sump [1].
9. Remove the crankshaft sensor - refer to Chapter 76-00-31.
10. Remove the oil dipstick.
11. Remove the oil level sensor – refer to Chapter 79-00-121.
12. Replace the oil drain plug to the new oil sump according to chapter 79-00-20 and refill
the engine oil according to Chapter 79-00-30.
13. Remove the engine bracket – refer to the applicable Aircraft Maintenance Manual.
14. Remove the screws [3] and the washers.
The washers are not shown in Fig. 79 – 3. Some oil baffle panels have
washers already soldered onto the oil baffle panel. In this case no additional
washers have to be removed.
15. Remove the oil baffle panel [2].
79-00-42 Installation of the Oil Sump
1. Install the oil oil baffle panel [2]
2. Place between [2] and [3] a single washer and fix the oil baffle panel screws with 5
Nm ± 0,5 (use Loctite 243).
The washers are not shown in Fig. 79 – 3. Some oil baffle panels have
washers already soldered onto the oil baffle panel. In this case no additional
washers have to be mounted.
When using Loctite, make sure, that the thread is free of grease and apply only a thin
film of Loctite.
3. Install the engine bracket – refer to the applicable Aircraft Maintenance Manual.
4. Install the oil drain plug – refer to Chapter 79-00-30.
5. Install the oil level sensor – refer to Chapter 79-00-120.
6. Install the oil dipstick.
7. Install the crankshaft sensor - refer to Chapter 76-00-32.
8. Put on carefully a new gasket [15] on the oil sump [1] and then put the oil sump on the
engine.
Use a small amount of sealant near the joint of the crankshaft cover.
9. Screw down the oil sump according to the tightening diagram:
(Figure 74) 1
st
step: 6 Nm , 2
nd
step 13 Nm.
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