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TRUCK SERVICE MANUAL
TM 5-4210-230-14&P-1
PROPELLER SHAFT
CENTER BEARING
Fig. 46
GENERAL
Center bearings (Fig. 46) are provided to support the
propeller shaft assembly and to smooth out the power
delivered to the rear axle assembly.
Loose center bearing assembly mounting bolts
should be tightened. Deteriorated or oil soaked center bearing
insulators should be replaced. These conditions can cause
excessive drive line vibration if not corrected.
BALL BEARING TYPE
Description
The center bearing used on some vehicles utilizes a
ball bearing with the bearing housing enclosed in rubber.
No lubrication for 'this center bearing is provided as
the bearing is filled with a waterproof grease for life of
bearing. REMOVE
1.
Set parking brake.
2.
Disconnect rear propeller shaft assembly (universal
joint) at center bearing.
3.
Remove companion flange nut, then remove the
yoke assembly.
4.
Remove the center bearing bracket mounting bolts
and separate center bearing mounting bracket with
bearing from center bearing bracket (on frame
crossmember). 5. Remove center bearing assembly
and both slingers from stud shaft.
6.
The center bearing is serviced as a complete
assembly, therefore separating the "U" shape bracket
from rubber cushion is not required.
REASSEMBLY
The reassembly procedure is the reverse of the disassembly
procedure. Be sure to inspect the center bearing bracket (on
frame crossmember) for damage.
CTS-2730 Page 24
PRINTED IN UNITED STATES OF AMERICA
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