AGCO Power 49 - Fitting the Crankshaft Hub

11.
Fit the protective plate into the front cover
seal location.
12.
Fit the crankshaft front seal with drift.
13.
Check and clean carefully the conical
surfaces on the crankshaft and the hub.
14.
Lubricate the parts.
a) Lubricate both the seal and the sealing
surface.
b) Lubricate the hub nut thread, rear surface
and outer surface (the surfaces affecting
nut friction) with vaseline.
NOTE: If the hub piece is worn out at the
sealing surface, a 3 mm spacer ring can be
fitted under the crankshaft rear oil seal (33 -
84 engines).
NOTE: Do not use oil, the oil can run into the
conical surfaces.
15.
98 engine: Fit the crankshaft hub.
See for additional information.
16.
33-84 engines: Fit the crankshaft hub.
17.
33-84 engines: Install the hub nut onto the
crankshaft thread.
18.
33-49 engines: Tighten the hub nut to 600
±100 Nm.
19.
66-84 engines: Tighten the hub nut to 1000
±100 Nm.
20.
Fit the other removed parts.
Fig. 68
(1) 33-84 engines: Drift 9103 94600
(1) 98 engine: Drift 9235 17520
3.9.3 Fitting the crankshaft hub
98 engines
The crankshaft hub is attached to the crankshaft with a separate conical sleeve.
When installing the hub must the conical surfaces be absolutely clean.
Procedure
1.
Check and clean carefully the conical
surfaces on the crankshaft and the hub.
2.
Lubricate the O-ring lightly with Vaseline and
install it into the groove in the hub.
3. Maintenance
3-42 4th Generation Engines
8370 79492