Sinoboom AB16EJ Plus - Articulated Boom Assembly

© Mar. 2023 52 AB16EJ Plus Maintenance Manual
BOOM AND PLATFORM ASSEMBLY
3. Reliably support the main boom and upper connec-
tor with suitable lifting equipment to prevent the
boom tube from falling during disassembly.
4. Mark and disconnect the hydraulic pipelines on the
articulated boom lift cylinder and collect the hydraul-
ic oil in the pipelines with a suitable vessel. Then
seal the pipelines and ports.
5. Support the two ends of the articulated boom lift cyl-
inder with suitable lifting equipment.
6. Remove the screw at the pivot pin #1 connecting
the articulated boom lift cylinder with the lower con-
nector, and knock out the pivot pin #1 with a brass
rod and mallet.
7. Remove the bolt at the pivot pin #2 connecting the
articulated boom lift cylinder with the lower articu-
lated boom, and knock out the pivot pin #2 with a
brass rod and mallet.
8. Slowly remove the articulated boom lift cylinder with
the aid of the lifting equipment.
9. Slowly lower the boom tube to stowed position with
the aid of the lifting equipment.
When disassembling the cylinder, take care to
prevent damage caused by the cylinder falling
and impacting, and also prevent the high-
pressure oil leakage due to impacting.
Installation
Follow the reverse order of the disassembly procedures.
Articulated Boom Assembly
Fig 7 Articulated boom assembly
Table 6-2 Articulated boom assembly
No.
Description
A
Upper connector
B
Upper articulated boom
C
Upper linkage
D Lower connector
E Pull rod
F
Lower linkage
G Lower articulated boom
H
Articulated boom lift cylinder
I Turntable
1
2
A
B
C
6
F
H
G
3
5
D
7
9
8
4
E
I