05-20-18 Cooling System
Conduct a visual inspection of the Cooling System.
Inspect especially for signs of wear and leakage.
If leakage is detected the affected connections have to be inspected for tight fit or damaged hoses
must be replaced.
05-20-19 Breather Line
Inspect 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 conduct an engine ground run according to
Chapter 71-00-03.
After the ground run inspect the breather outlet again for obvious oil accumulation.
For inspection and replace of the breather line refer to the applicable Aircraft Maintenance Manual.
05-20-20 Zonal Inspection
Conduct a visual inspection of the whole engine surface using a flashlight and mirror.
Look especially for signs of wear and leakage at the oil sump gasket and the cylinder head gasket.
Inspect for loose parts or foreign objects.
05-20-21 Injector Cover
Remove Injector Cover according to 85-00-11.
ï‚· Conduct a visual inspection of the high pressure fuel lines. Inspect especially for signs of
wear and leakage.
ï‚· Carry out a visual inspection of the wiring harness for signs of wear or damage. Inspect
the cam shaft sensor connection and the injector connections for tight fit.
ï‚· Inspect the Oil Separator hoses for damage.
ï‚· Inspect the Oil Separator for signs of leakage.
ï‚· Clean the area below the injector cover using cleaning agent. To assure an unobstructed
cylinder head drain the cleaning agent should drain off through the cylinder head drain
line.
Do not apply cleaning agent on opened sensor connections.
Install Injector Cover according to Chapter 85-00-12.
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