1.5
DETROIT DIESEL 53
FLYWHEEL H O U S I N G
5. Remove the clutch housing, if used.
The flywheel housing is a one-piece casting, mounted
against the rear cylinder block end plate, which
6. Remove the fuel pump, if it is mounted on the
provides a cover for the gear train and the flywheel. It
also serves as a support for the starting motor and the
flywheel housing.
transmission.
The crankshaft rear oil seal, which is pressed into the
housing, may be removed or installed without
removing the housing (Section 1.3.2).
Remove Flywheel Housing
9. Remove all of the bolts from the flywheel housing.
1. Mount the engine on an overhaul stand as outlined
Don t forget the blower-to-flywheel housing bolts on
in Section 1.1.
3-53 engines.
the
2. Remove the starting motor from the flywheel
NOTE: When removing the flywheel housing
housing or the clutch housing.
bolts, note the location of the various size bolts,
lock washers, flat washers and copper washers
3. Remove the flywheel.
so they may be reinstalled in their proper
location.
4. Remove the oil pan.
10. To guide the flywheel housing until it clears the
end of the crankshaft, thread two pilot studs J 7540
into the cylinder block (Fig. 1).
11. Thread eyebolts into the tapped holes in the pads
(if provided) on the top or sides of the flywheel
housing and attach a chain hoist with a suitable sling
to the eyebolts. Then strike the front face of the
housing alternately on each side with a soft hammer to
loosen and work it off the dowel pins.
Inspection
Clean the flywheel housing and inspect it for cracks or
any other damage.
Fig. 1 - Removing or Installing Flywheel
Fig. 2 - Location of Shim
Housing
SEC. 1.5 Page 1
November, 1973
