1.
Check the tightness of the engine support fasten-
ers at the rear of the engine. Tighten the fasten-
ers 241 lbf·ft (460 N·m).
2.
Check the tightness of the engine support fasten-
ers at the front of the engine. Tighten the fasten-
ers 136 lbf·ft (327 N·m).
NOTE: When the engine is removed, inspect
the lower and upper isolators for wear. Replace
the isolators if necessary.
f150010b
07/12/2001
1
2
3
4
5
6
1.
Glazing
2.
Tensile Break
3.
Separating Layers
4.
Uneven Ribs
5.
Streaked Sidewalls
6.
Cracks
Fig. 1, Drive Belt Replacement Conditions
07/12/2001
f011990
Fig. 2, Belt Tensioner on Caterpillar 3126 Engine
Engine
01
Business Class M2 Maintenance Manual, August 2015
01/2
Property of American Airlines