ARMY TM 9-2815-260-24
AIR FORCE TO 38G1-126-2
MARINE CORPS TM 09244A/09245A-24
Rotate engine 360 ° (1 complete revolution) using flywheel rotation tool while observing
dial indicator. If wobble exceeds 0.020 in. (0.5 mm) replace torsional damper, refer to
Remove fan drive belt and fan, refer to TM 9-6115-672-14.
Torsional damper is sensitive to impact damage. Do not drop or hammer
Remove bolts (3, Figure 4-60).
FIGURE 4-60. CRANKSHAFT PULLEY
Grasp torsional damper (2, Figure 4-60) and remove from crankshaft.
Inspect torsional damper, refer to 4.8.1.a. Replace if damaged.
Remove torsional damper, refer to 4.8.1.b.
For installation, refer to 4.8.1.d.