ENGINE MANUAL
IAE50R – AA
E1.01.05 – E
Issue date: 25.Jan.2018
Page: 11-2
Revision no: 9
11.2.2
MAP Hoses
Remove all MAP hoses and clips and clean out any oil. Make sure that they are dry before
placing them back onto the engine.
11.2.3
Checking & Setting Fan Belt Tension
Fig. 11: Belt tension
The silicon rubber tube and the tie wraps are left in place
during the test.
1)
Slacken the three attachments numbered 1, 2 and 3 above.
2)
Attach a loop of suitable material around the fan outlet duct.
3)
Using a suitable spring balance, apply a force to the loop of 6 – 7 Kilograms.
4)
With this force still applied, tighten the 3 housing attachments (with 8 lbft/11 Nm).
5)
Confirm the attachments are not at the end of their adjustment slots.
6)
If a new belt is required, see Section 13.5.2
11.2.4
Adjusting engine idle speed
For adjusting procedure, and precautions, see the aircraft manufacturer’s instructions.
