TM 5-3810-307-24-1-1
1.
Using an appropriate lifting device, set the
NOTE
turntable bearing in position on the carrier. If the
The bearing weighs approximately 387
same bearing is being used, position it as marked
lbs (175 kg). Ensure the bearing lifting
prior to removal.
device is capable of supporting the
weight.
2.
Install the bolts and washers securing the
bearing to the carrier. Refer to Outer Race Torquing
19. Using the lifting device, remove the turntable
in this sub-section.
bearing from the carrier.
NOTE
INSPECTION.
Installation is in the travel position.
Check the bearing teeth for chipping or cracking. If
Ensure the swing lock is disengaged
any evidence of these is found, replace the bearing.
before
attempting
to
mate
the
Ensure the bolt holes are free of dirt, oil, or foreign
superstructure to the bearing.
material.
3.
Using an appropriate lifting device, align the
superstructure over the bearing on the carrier.
INSTALLATION.
Carefully lower the superstructure over the swivel
WARNING
assembly into position on the bearing.
Anytime a Grade 8 turntable bolt has
4.
Install the bolts and washers. Refer to Inner
been removed, it must be replaced with
Race Torquing in this sub-section.
a new Grade 8 bolt and nut.
NOTE
If a new bearing is being installed, a new
pinion gear must also be used.
Figure 2-9-6. Backlash Adjusting Shim
