TM 9-4940-568-34
3-34
3-10. OUTRIGGER BEAM MAINTENANCE (Continued)
WARNING
Outrigger beams are heavy
and coated with grease. Use
extreme care to avoid
personal injury.
NOTE
This paragraph applies to both
the right and the left outrigger
beams.
Tag and mark hoses and tubes
prior to removal.
Note positions of elbows prior to
removal.
Cap and plug hoses, tubes, and
fittings upon removal to ensure
proper installation.
(3) With help from assistant, pull inner
beam (4) out of outer beam (5) to allow
access to pin (6).
(4) Remove screw (7), washer (8), and pin
(6) from extension cylinder (9).
(5) Remove screw (10) and washer (11)
from pin (6).
(6) Pull inner beam (4) out 18 inches (46
cm).
(7) Disconnect two hoses (12 and 13) and
preformed packings (14) from adapters
(15 and 16). Discard preformed
packings.
(8) Disconnect two hoses (17 and 18) and
remove preformed packings (19) from
adapters (15 and 16). Discard
preformed packings.
(9) Remove two adapters (15 and 16) from
inner beam (4).
(10) Remove screw (20), clamp cover (21),
hoses (17 and 18) and clamp base (22).
(11) Attach lifting device to inner beam (4)
and remove all slack from lifting device.
NOTE
Note positions of plates. Plates
differ in thickness and need to be
installed in original locations.
(12) Remove eight screws (23) and two
plates (24) from outer beam (5).
NOTE
Ensure hoses remain with crane.
(13) With help from assistant, remove inner
beam (4) from outer beam (5) and lower
onto wooden block.
14
9
7
8
6
11
10
23
24
4
13
19
18
16
17
19
15
14
12
20
18
21, 22
17
