ENGINE MANUAL
IAE50R – AA
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.
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