Manitou AETJ 43 - Rotation Cylinder (3 D - Jib) - Removal

HYDRAULIC
68
70
547379EN
70 (08/03/2017)
ROTATION CYLINDER 3D  JIB  REMOVAL
- Decompression of the tilting cylinder circuit (6COMPENSATION/
TILTING CYLINDER REMOVAL, 5 64).
- Move the telescope extension by 1 m (39.37 in)
- Switch o the power supply.
- Open the right-hand turret cover.
- Decompress:
⇒ the jib lifting line
⇒ the 3D rotation cylinder line.
- Secure the basket/jib assembly with a hoist and a sling (see
gure, 070  67).
3 - 267 kg (589 lbs).
- Remove and plug the hoses from the 3D rotation cylinder (2, 070  68).
- Remove the basket/jib assembly (1, 070  67), if necessary remove
the harnesses and the hoses of the jib cylinder (6JIB CYLINDER 
REMOVAL, 5 66).
- Remove the 3D rotation cylinder pivot pin (1, 070  68).
- Secure the 3D rotation cylinder assembly with a hoist and a sling
(see gure, 070  69).
3 - 37 kg (82 lbs)
- Démonter l’axe d’articulation du vérin d’inclinaison (3, 070  68),
et l’axe d’articulation du bras (4, 070  68).
Remove the 3D rotation cylinder.
REFIT
- Follow the removal operations in reverse order.
- Purge the compensation/tilting circuit by repeating steps I to
VII several times (I & II, 070  59), (III & IV, 070  62), (V & VI, 070  61),
(VII, 070  60).
- Purge the 3D rotation cylinder, if it rebounds excessively after
being connected. Perform at least 5 rotations to its maximum extent.
70 - 67
1 m (39.37 in)
70 - 68
1
2
3
4
70 - 69