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 TM 55-1905-223-24-1
d. Install two 9/16-18 capscrews that have enough thread length to pass through the adapter (8) and
touch the front mount with approximately 3/8 inch (9 mm) of thread protruding from the adapter.
Turn the capscrews clockwise alternately and evenly to pull the adapter from the crankshaft.
e. Remove adapter (8). The roll pin (7) does not have to be removed unless it is damaged.
REPAIR
NOTE
Vibration damper must be replaced after 24,000 hours in service.
a. Check vibration damper for fluid leakage.
NOTE
The crack detection kit contains the necessary cleaner,
penetrant and developer to check for cracks using the dye
penetrant method.
(1) Spray rolled lip of vibration damper with crack detection developer.
(2) Preheat oven to 200 (93 ).
F
C
WARNING
Wear protective clothing to prevent personal injury from burns.
(3) Place vibration damper in oven with rolled lip toward the bottom of the oven. Heat damper for 2
hours.
(4) Remove damper. Check for fluid leakage around the rolled lip. Replace damper if leakage is found.
b. Visually inspect the damper front cover plate for signs of raising or deforming. If variations are noted
or suspected, proceed as follows:
(1) Using a paint solvent and fine emery cloth, remove the paint and accumulated dirt and grime from
both the front and rear surfaces of the damper in four equally-spaced areas (avoid the area with
stamped lettering). This will allow for precise measurement of the damper's thickness.
(2) Measure and record the thickness of these four areas approximately 1/8 inch from the outside edge
of the front cover plate. Ensure the measurement is on a flat surface.
4-38
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