September 2016
Part No. 1272852
GTH-5519
3-5
Section 3 • Repair Procedures
BOOM COMPONENTS
3
3 Remove the hydraulic hoses from inside the
Remove the hydraulic hoses from inside the
boom.
boom. Refer to Repair Procedure 1-5,
How to
How to
Replace the Fork Tilt Cylinder Hoses
Replace the Fork Tilt Cylinder Hoses
..
4
4 Remove the extend cylinder from inside the
Remove the extend cylinder from inside the
boom.
boom. Refer to Repair Procedure 1-3,
How to
How to
Remove the Extend Cylinder
Remove the Extend Cylinder
..
5
5 Remove the fork tilt cylinder.
Remove the fork tilt cylinder. Refer to Repair
Procedure 1-5,
How to Remove the Fork Tilt
How to Remove the Fork Tilt
Cylinder
Cylinder
..
6
6 Attach a lifting strap to the front of section "
Attach a lifting strap to the front of section "
b
b
",
",
raise it slightly from section "
raise it slightly from section "
aa
" then extend it
" then extend it
by 8-12 in / 20-30 cm.
by 8-12 in / 20-30 cm.
7
7 Remove the bottom pads "
Remove the bottom pads "
cc
" and the pad
" and the pad
supports "
supports "
d
d
" from the first boom section.
" from the first boom section.
8
8 Release the lifting strap to lay the second
Release the lifting strap to lay the second
section "
section "
b
b
" on the first section "
" on the first section "
aa
".
".
9
9 Remove the lateral pads "
Remove the lateral pads "
ee
" and the top pads
" and the top pads
""
ff
" from the first section.
" from the first section.
10
10 Raise again the second section and pull it out
Raise again the second section and pull it out
slowly from the first one; be careful not to make
slowly from the first one; be careful not to make
it come out completely.
it come out completely.
DANGER
Ensure that the second section
remains inside the first one and
does not come out.
11
11 Attach another lifting straps to the second
Attach another lifting straps to the second
boom section. Pull the section out and handle
boom section. Pull the section out and handle
very slowly, paying attention to the position of
very slowly, paying attention to the position of
the straps to make sure the section is always
the straps to make sure the section is always
horizontal.
horizontal.
12
12 Once removed, place the second boom
Once removed, place the second boom
sections on a stand suitably positioned.
sections on a stand suitably positioned.
13
13 Remove all pads "
Remove all pads "
g
g
" from the second section
" from the second section
""
b
b
".
".
14
14 Remove the pipes from the first boom section
Remove the pipes from the first boom section
""
aa
".
".