Disassembly and assembly

KENR6226-01 45
Disassembly and Assembly Section
g01326595
Illustration 76
Typical example
1. Ensure that the mating surfaces of flywheel
housing (2) are clean and free from damage.
Inspect the crankshaft rear seal (3) for leaks.
If necessary, replace the crankshaft rear seal.
Refer to Disassembly and Assembly, “Crankshaft
Rear Seal - Remove and Install” for the correct
procedure. Inspect dowels (4) for damage. If
the dowels are damaged, use new parts for
replacement.
2. Use a suitable lifting device to align flywheel
housing (2) to dowels (5) and install the flywheel
housing. The weight of the flywheel housing is
approximately 30 kg (66 lb).
3. Install bolts (1).
For 402D-05 and 403D-07 engines, tighten the
boltstoatorqueof15N·m(11lbft).
For 403D-11 and 404D-15 engines, tighten the
boltstoatorqueof50N·m(37lbft).
For 403D-15, 403D-15T and 403D-17 engines,
tighten the bolts to a torque of 25 N·m (19 lb ft).
4. Remove the lifting device from the flywheel
housing.
End By:
a. Install the flywheel. Refer to Disassembly and
Assembly, “Flywheel - Install”.
i02645702
Flywheel Housing - Remove
and Install
(Engines with F
lywheel
Housing and Back Plate)
Removal Proce
dure
Start By:
a. Remove the flywheel. Refer to Disassembly and
Assembly, “Flywheel - Remove”.
NOTICE
Keep all parts clean from contaminants.
Contaminants
may cause rapid wear and shortened
component life.
1. Support the engine.
2. Install a suitable lifting device to the flywheel
housing. Support the weight of the housing. The
weight of the flywheel housing is approximately
30 kg (66 lb).
g01326591
Illustration 77
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