TM 5-3805-280-24-2
Crankshaft, Main Bearings and Flywheel
15
5. Check vibration damper wobble using a dial indicator.
11
Measure wobble at the outer edges of damper face
(A).
6. Rotate crankshaft one complete revolution using
engine rotation tool, and note total dial indicator
movement. Compare readings with specifications
below.
Damper Pulley Outer Ring--Specification
Wobble (Maximum) ................................................... 1.50 mm (0.060 in.)
Damper Pulley Inner Ring--Specification
A--Vibration Damper Wobble
Wobble (Maximum) ...................................................... 0.5 mm (0.020 in.)
RG,15,DT7460 1914NOV973/3
REMOVE PULLEY OR VIBRATION DAMPER
AND PULLEY
FOUR OR FIVE CAP SCREW MOUNTED DAMPERS
IMPORTANT: Never apply thrust on outer ring of
damper. Do not drop or hammer on
damper.
1. Remove four cap screws (A) from vibration damper.
2. On 6068H Engines (air-to-air), remove center cap
screw (B).
A--Cap Screws
B--Center Cap Screw
3. Grasp damper and remove from crankshaft.
RG,15,DT7459 1914NOV971/4
4. Remove belt pulley (C).
Continued on next page
RG,15,DT7459 1914NOV972/4
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