TM 9-4940-568-34
3-104
3-30. TURNTABLE 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) With help from assistant, attach lifting
device to turntable (4) and position
turntable (4) over ring gear (5).
(2) Route hydraulic hoses (10) and
electrical cable (11) through center of
turntable (4).
(3) Lower turntable (4) on ring gear (5) with
matchmarks aligned.
(4) Position four washers (8) and socket
head screws (9) on turntable (4) at
marked locations.
(5) Position eight washers (7), four washers
(8) and 12 screws (6) in turntable (4).
(6) Tighten four socket head screws (9) and
12 screws (6) to 355-385 lb-ft (481-522
N.m).
(7) Install two bulkhead fittings (3),
preformed packing (2) and connect four
hoses (1).
END OF TASK
Follow-On Maintenance
Install erection cylinder
(para 3-19).
Install tension link cylinder
(para 3-20).
Install mast
(para 3-21).
Load test crane
(para 3-5).
Check crane for proper
operation and hydraulic
leaks, (TM 9-4940-568-10).
1, 2
1, 2
3
4
5
6
6
7
8
8
9
10
