Part No. 57.4400.9203 GTH-4016SR • GTH-4018SR
43
March 2010
REV A
Section 4 • Repair Procedures
BOOM COMPONENTS
1-5 How to Assemble the GTH-
4018 SR Boom
1. Fit the two brackets with the relative pulleys (
7
)
in the boom rear part;
2. Fit the chain bracket (
6
) with the relative chains
(
4
) in the rear upper part of the fourth boom
section; hook up a rope to the end of the chain
for pulling it inside the boom;
3. Fit the chain bracket (
2
) with the relative chains
(
5
) in the rear lower part of the fourth boom
section;
4. Fit the rear lateral paths of the fourth boom
section and the two lower ones;
5. Slide in the fourth boom section into the third
boom section, pull the rope hooked up to the
chains and make them pass on the pulley (
7
);
6. Fit the rear upper paths of the fourth boom
section and all the ones of the third boom
section;
7. Fit the pulley with the relative bracket (
8
);
8. Fit the two brackets with the relative pulleys
(
11
);
9. Fit the chain bracket (
10
) with the relative
chains (
3
) in the rear upper part of the third
boom section; hook up a rope to the end of the
chain for pulling it inside the boom;
10. Fit the chain bracket (
9
) with the relative
chains (
11
) in the rear lower part of the third
boom section;
11. Fit the rear lateral paths of the third boom
section;
12. Slide in the third boom section into the second
boom section, pull the rope hooked up to the
chains (
3
) and make them pass on the pulley
(
11
);
13. Fit the rear upper paths of the third boom
section and all the ones of the second boom
section;
14. Fit the rear lower paths of the second boom
section and the rear lateral ones;
15. Fit the chain bracket (
12
) with the relative pin
make the chains pass on the pulley;
16. Slide in the second boom section into the first
boom section;
17. Fit all the paths of the first boom section;
18. Install the extension cylinder (
16
);
19. Install the boom on the machine and connect
the hoses of the boom controls;
20. Retract the boom up to when chains (
3
) reach
their anchoring point (
17
) and then fix them
with the screws;
21. Fix the chains to the dedicated chain
tentionairs (
13
), (
14
), (
15
)
22. Fit the steel pipes between the first and the
second boom sections (
18
);
23. Fit internal steel hoses assembly (
19
) and the
two lateral pulleys with the relative brackets
(
20
);
24. Extend the boom for making accesible the
inspection holes on the fourth boom section;
2
14
8
12
1
13
18
15
4
17
3
16
21
6
19
7
10
20
11
5
9
