34.9
INSTALLATION OF RING GEAR
34.9 INSTALLATION OF RING GEAR
Install the ring gear as follows:
1. Support the
fl
ywheel, ring gear side up, on a solid
fl
at surface.
BURNS
To avoid injury from burning, use lifting tools and
heat-resistant gloves when handling heated components.
NOTICE:
Do not, under any circumstances, heat the gear over 204°C
(399°F). Excessive heat may destroy the original heat treatment.
Heat treating “crayons” which are placed on the ring gear and
melt at a predetermined temperature, may be obtained from
most tool vendors. Use of these “crayons” will ensure against
overheating the gear.
2. Rest the gear on a
fl
at metal surface. Heat the gear uniformly with an acetylene torch,
keeping the torch moving around the gear to avoid hot spots.
3. Use a pair of tongs to place the gear on the
fl
ywheel with the chamfer, if any, facing the
same direction as on the gear just removed.
4. Tap the gear in place against the shoulder of the
fl
ywheel. If the gear cannot be tapped into
place readily so that it is seated all the way around, remove it, and apply additional heat.
5. Once the ring gear is installed, install the
fl
ywheel.
6. Install the transmission.
All information subject to change without notice.
34-14
DDC-SVC-MAN-0081 2010
Copyright © 2010 DETROIT DIESEL CORPORATION
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