JLG 534D-10 - Manual (Page 58)

Boom
3.30 534D-9, 534D-10 & 544D
19. Loosen and remove the wear pads from the top rear
and one side of the fourth boom section. Note the
location of the wear pads, mounting bolts and
number of shims from each location.
Note: It may be necessary to pull the boom section(s)
out far enough to access the wear pads.
20. Slowly pull the fourth boom section out of the third
boom section. The extend chain will come out along
with the boom section. The retract chain will stay
with the second boom section.
21. Lift the fourth boom section free of the machine and
place on the ground or suitable supports.
3.11.2 Third Boom Section Removal
1. Loosen the jam nuts on the extend chains at the top
front of the first boom section. Disconnect the extend
chains (2) from the chain clevises.
2. Loosen the jam nuts on the retract chain at the
bottom rear of the third boom section. Disconnect
the retract chain (3) from the chain clevis.
3. Loosen and remove the wear pads from the front of
the second boom section. Note the location of the
wear pads, mounting bolts and number of shims
from each location.
4. Loosen and remove the wear pads from the top rear
and one side of the third boom section. Note the
location of the wear pads, mounting bolts and
number of shims from each location.
5. Slowly pull the third boom section out of the second
boom section. The extend chains will come out
along with the boom section. The retract chain will
stay with the first boom section.
6. Lift the third boom section free of the machine and
place on the ground or suitable supports.
3.11.3 Second Boom Section Removal
1. Remove the pin (4) from the rod end of the extend/
retract cylinder.
2. Loosen and remove the wear pads from the front of
the first boom section. Note the location of the wear
pads, mounting bolts and number of shims from
each location.
3. Loosen and remove the wear pads from the top rear
and one side of the second boom section. Note the
location of the wear pads, mounting bolts and
number of shims from each location.
MX1410
2
MX1420
3