TM 9-4940-568-34
3-102
3-29. TURNTABLE BEARING REPLACEMENT (Continued)
b.
Installation
WARNING
To prevent personal injury,
extreme care must be taken to
properly
handle
heavy
overhead objects. Make sure
all slings and straps are safe to
use and are secured properly.
Make sure there are no
obstacles in the way. Keep
clear of all suspended loads.
(1) Install lifting chain on turntable bearing
(3) with three washers (5) and screws
(4).
(2) With help from assistant, lift turntable
bearing (3) in position over subframe
(8).
(3) With help from assistant, feed hoses (6)
and electrical connector (7) through
turntable bearing (3).
(4) Position turntable bearing (3) on
subframe (8) with screw holes aligned.
(5) Remove three screws (4), washers (5),
and lifting chain from turntable bearing
(3).
(6) Install 23 washers (5) and screws (4) on
turntable bearing (3).
(7) Tighten 23 screws (4) to 355-385 lb-ft
(481-522 N.m).
(8) Install four elbows (2) and hoses (1) on
turntable bearing (3).
END OF TASK
Follow-On Maintenance
Install turntable
(para 3-30).
Load test crane
(para 3-5).
Check crane for proper
operation and hydraulic
leaks, (TM 9-4940-568-10).
7
8
6
5
3
4
2
1
3
