TM 9-4940-568-34
3-70
3-19. ERECTION CYLINDER REPLACEMENT
THIS TASK COVERS:
a. Removal
b. Installation
INITIAL SETUP
Tools
Tool Kit, General Mechanic’s
(Item 67, Appendix F)
Materials/Parts
Sealing compound (Item 29, Appendix B)
Personnel Required
1 Assistant
Equipment Condition
FRS unloaded, crane in operating position
(TM 9-4940-568-10).
General Safety Instructions
Ensure boom is supported during this task.
a.
Removal
NOTE
Place a container to catch
hydraulic oil during hose removal.
Plug all hoses after removal to
prevent dirt from entering
hydraulic system.
(1) Remove two screws (1), washers (2),
and bushings (3) from rivet eyebolts (4).
(2) Remove two rivet eyebolts (4) from pivot
shaft (5).
WARNING
Remove pivot shaft only far
enough to release tension link
cylinder and erection cylinder.
Failure to comply may result in
injury to personnel or damage to
equipment.
(3) Remove pivot shaft (5) from tension link
cylinder (6).
(4) Disconnect two hoses (7) from erection
cylinder (8). Discard preformed
packings (9).
