TM 5-3810-307-24-1-1
6.
Remove the hardware securing the electrical
NOTE
swivel cover and remove the cover.
If a lifting device capable of lifting the
7.
Disconnect the two pin lock-type electrical
entire superstructure is not available,
connectors.
superstructure weight may be reduced
by removing various components such
8.
Remove the attaching hardware from the two
as the hoist(s).
pin lock-type receptacles and remove them from the
mounting plate clear of the swivel.
14. Install spare pivot shafts or other suitable
material through the lower lift cylinder pivot bushings
9.
Disconnect the two power lock connectors.
and through the boom pivot bushings.
Pull the connects and wire clear of the swivel.
15. Attach a suitable lifting device to the spare
10. Install the electrical swivel cover and secure it
pivot shafts and take in cable or chain to remove
with the attaching hardware.
slack. Do not pull up on the superstructure.
11. Tag and disconnect all oil lines, above the
WARNING
carrier, from the swivel. Cap or plug all lines and
openings.
Ensure the superstructure
is
fully
supported before proceeding.
12. Disconnect
the
swivel
links
from
the
superstructure.
16. Remove the bolts and washers attaching the
turntable bearing to the superstructure.
NOTE
If the same bearing is to be used again,
WARNING
mark the pinion and bearing where the
Ensure that any blocking material used
teeth mesh (point of maximum
is capable of fully supporting the weight
eccentricity).
This will facilitate
of the superstructure and will not allow it
installation and checking the gear
to tilt or shift. Failure to do so may result
backlash.
in death or injury to personnel.
13. Remove the swing gearbox. Refer to SWING
17. Carefully lift the superstructure, guiding it over
GEARBOX - Removal in this section.
the swivel, and set it on blocking that will not allow
the superstructure to tilt or shift. Leave the lifting
WARNING
device attached.
Ensure the lifting device is capable of
NOTE
fully supporting the weight of the super-
structure. Ensure the super-structure will
If the same bearing is to be used again,
not tilt or slide during lifting and moving.
mark the position of the bearing on the
Failure to do so may result in death or
carrier so it can be installed in the exact
injury to personnel and damage to
position it was before removal.
equipment.
18. Remove the bolts and washers attaching the
CAUTION
turntable bearing to the carrier.
Use spare pivot shafts or other material
capable of supporting the weight of the
superstructure. Do not damage the pivot
shaft bushings.
2-9-15
