TM 5-3805-280-24-1
Tests
INSPECT TORSIONAL DAMPENER
SPECIFICATIONS
Torsional Dampener Radial
1.50 mm (0.060 in.) maximum
Runout
Torsional Dampener Axial Runout
1.50 mm (0.060 in.) maximum
(Wobble)
ESSENTIAL TOOLS
JDG820 Flywheel Turning Tool
9010
25
SERVICE EQUIPMENT AND TOOLS
11
D17526CI Dial Indicator
IMPORTANT: Do not immerse the torsional dampener
in cleaning solvent or any petroleum
product. Rubber portion of dampener
may be damaged. Never apply thrust on
outer ring. Dampener is sensitive to
impact damage, such as being dropped
or struck with a hammer. The dampener
is not repairable. Replace dampener
whenever crankshaft is replaced or after
major engine overhaul.
1. Grasp outer ring of torsional dampener and attempt to
turn it in both directions. If rotation is felt, replace
dampener. Also, if rubber is separated, partially
missing, or displaced, replace dampener.
Continued on next page
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