AE50R, AE50RA
AE50RAB
Engine Manual
Doc. No. E1.01.0-E
Rev. 6 10-March-2011
Page 13-3
13.5.2 Fan Belt Replacement
1)
Drain off the coolant & remove connections to the water pump.
2)
Disconnect alternator leads and oil pipes.
3)
Remove the fan assembly and check bearings for play / roughness.
4)
Remove the water pump housing along with the alternator stator assembly and check
the water pump bearings for play.
NOTE !
Care should be taken in withdrawing the assemblies due to the loose internal
tufnol drive coupling!
5)
Fit the new Fan Belt (using Austro Engine GmbH “Fan Belt Kit”).
6)
Reassemble using the reverse procedure for items (2) to (5) inclusive, above, and
tension the belt as in 11.3 Fig. 8
NOTE !
Replace tufnol drive coupling from the fan belt kit and assemble with the
reduced diameter towards the water pump!
Fit the new O–Rings in the water pump housing with those from the fan belt kit
using compatible grease to hold in place!
Use Loctite 242 on all fixings!
IF IN DOUBT PLEASE CONTACT Austro Engine GmbH!
7)
Connect services, as appropriate and fill with coolant.
8)
Ensure that the coolant lines and oil lines are bled.
9)
If necessary, pressure test the coolant system as per aircraft manual or chapter
above, and check for leaks.
10)
Test run the engine to verify satisfactory operation before flight.
13.5.3 Air
Filters
The two air filters, induction and rotor cooling air, should be visually inspected at the specified
intervals for contamination, large pieces of debris and cracks. Both filters may be cleaned and
re–used, although great care must be taken to correctly follow the manufacturer’s instructions.
Damaged filters should be replaced.
Summary of Contents for AE50R
Page 49: ......
