TM 9-4940-568-34
3-130
3-40. BOOM ASSEMBLY REPLACEMENT
THIS TASK COVERS:
a. Removal
b. Installation
INITIAL SETUP
Tools
Tool Kit, General Mechanics
(Item 67, Appendix F)
Materials/Parts
Sealing compound (Item 29, Appendix B)
Packing, preformed (4) (Item 114, Appendix E)
Packing, preformed (Item 121, Appendix E)
Personnel Required
1 Assistant
Equipment Condition
FRS unloaded, crane unstowed
(TM 9-4940-568-10).
Hoist cable removed (para 5-5).
a.
Removal
NOTE
To aid in later installation, be sure
to plug all lines as necessary,
and tag all lines and their
connection points.
Place a container to catch
hydraulic oil during removal of
hydraulic lines.
(1) Disconnect top electrical connector (1)
from overload shutdown box (2).
NOTE
Remove plastic cable ties and
cable clamps as required.
(2) Pull electrical connector (1) clear of
boom assembly (3).
NOTE
Two outer hydraulic hoses are
accessed
from
underneath
boom.
(3) Disconnect
four
hoses
(4)
and
preformed packings (5) from boom
assembly (3). Discard preformed
packings.
(4) Disconnect hose (6) and preformed
packing (7) from boom assembly (3).
Discard preformed packing.