Hyundai HL930A Operator's Manual page 232

21) 21) VIBRATION DAMPER VIBRATION DAMPER
(1) (1)
Rubber Rubber
①
Check the index lines (A) in the vibration damp-
er hub (B) and the inertia member (C). If the
lines are more than 1.59 mm (1/16 in) out of
alignment, replace the vibration damper.
②
Inspect the rubber member for deterioration. If
pieces of rubber are missing or if the elastic
member is more than 3.18 mm (1/8 in) below
the metal surface, replace the damper.
③
Look for forward movement of the damper ring
on the hub. Replace the vibration damper if any
movement is detected.
(2) (2) Viscous Viscous
※
The silicone fluid in the vibration damper will The silicone fluid in the vibration damper will
become solid after extended service and will become solid after extended service and will
make the damper inoperative. An inoperative make the damper inoperative. An inoperative
vibration damper can cause major engine or vibration damper can cause major engine or
drivetrain failures. drivetrain failures.
①
Check the vibration damper for evidence of fluid
loss, dents, and wobble. Inspect the vibration
damper thickness for any deformation or raising
of the damper cover plate.
②
If any of these conditions are identified, contact
your local Cummins authorized repair location
to replace the vibration damper.movement is
detected.
B
6-32
A
C
300A6MA103
300A6MA104
300A6MA105