3-10
GTH-1544
Part No. 1272857
September 2016
Section 3 • Repair Procedures
DANGER
Ensure that the third section
remains inside the second one
and does not come out.
20 Once removed, place the second and
third boom sections on two stands suitably
positioned.
21 Remove the retaining screws from brackets
"
m
" and "
n
" positioned at the pivot end of the
boom, on top of it, and pull out the boom retract
and extend chains.
22 Remove the 6 screws “
o
” securing the extend
cylinder to the second boom section, and pull
it out completely, by following the procedure
described under “
How to remove the extend
cylinder
”.
23 At the fork end of the boom, attach lifting straps
from an overhead crane to pull the third boom
section out of the second by approximately 16-
19 in / 40-50 cm.
24 Remove all the front pads in the second boom
section.
25 Attach lifting straps to the third boom section.
Pull the section out and handle very slowly,
paying attention to the position of the straps to
make sure the section is always horizontal.
BOOM COMPONENTS
m
n
p
q
r
s
26 Once removed, place the third section on two
stands suitably positioned.
27 Remove the fork level cylinder by following the
procedure described under “
How to remove the
fork level cylinder
”.
28 Remove the lifting fork frame by following the
procedure described under “
How to remove the
lifting fork frame
”.
29 Remove all remaining pads from their
housings.
30 Remove the pulley “
p
” mounted on top of the
second boom section, at the back of it.