42 GTH-4016SR • GTH-4018SR Part No. 57.4400.9203
March 2010
Section 4 • Repair Procedures
REV A
1-4 How to Disassemble the GTH-
4018 SR Boom
WARNING
Bodily injury hazard. This
procedure requires specific repair
skills, lifting equipment and a
suitable workshop. Attempting
this procedure without these skills
and tools could result in death
or serious injury and significant
component damage. Dealer
service is strongly recommended.
NOTICE
When removing a hose assembly
or fitting, the O-ring on the fitting
and/or hose end must be replaced
and then torqued to specification
during installation.Refer to
paragraph “
Hydraulic Hose and
Fitting Torque Specifications”
into
Specification Section
NOTICE
Place the telehandler with enought
room for stabilizing the machine
and totally extended the boom.
1. Using a punch and a hammer, remove the rod
end pivot pin from the tilting cylinder. Keep
attention to choose a punch smaller than the
pivot pin!
2. Remove the bottom end carter of the boom.
3. Tag, disconnect and plug the four hydraulic
hoses from bracket
3.
4. Remove the two brackets
2
with the relative
pulleys.
5. Extend the boom for making accesible the
inspection holes on inner section of boom.
6. Inserting a spanner through the inspection
holes, remove the screws which fix the hoses
holder block and disconnect the hydraulic
hoses on the upper boom side.
7. Completely retract the boom.
8. Pull-out the internal steel hoses assembly.
9. Using a punch and a hammer, remove the
rod end pivot pin from the extension cylinder.
Keep attention to choose a punch smaller
than the pivot pin!
10. In the lower part of the boom, tag and
disconnect the chains from the chain
tensioner.
11. Same for the upper part.
12. Tag and disconnect the chains placed in the
rear part of the boom
13. Remove all the pads present inside the boom
but the ones in the lower side
14. With a textile bridle connected to the bridge
crane, sling the second, the third and fourth
boom out of the first one.
15. Laying those boom sections on trestles.
16. Let the third boom section slide out of the
second one.
17. Laying those boom sections on trestles.
18. Let the fourth boom section slide out of the
third one.
BOOM COMPONENTS
