Manitowoc RT9150E Service Maintenance Manual page 162

BOOM
17. Slide sections 2, 3, 4, and 5 out the front of the base
section.
18. Remove the two top corner outer wear pad assemblies
from the outside top corners of section 1.
19. Remove the two bottom corner outer wear pads from the
outside bottom corners of section 1.
20. Rest the pinned-together sections on an appropriate
fixture.
21. Verify the cylinder pins are not connected to any
telescope section and the butterfly arms are retracted.
22. Disconnect the 24 VDC supply and hydraulic hoses
attached to the rod end valve block.
23. Remove the capscrews (3) (Figure 4-15) securing the
hose brackets (4) to the rear of the section and route the
brackets through the cutouts in the base section so the
tele-cylinder can be removed.
24. Use appropriate lifting device to remove telescope
cylinder assembly from telescope sections. Slowly
remove the cylinder from the sections; take care not to
damage any hydraulic or electrical parts, or mechanical
parts while removing the cylinder. Ensure proper
clearance for the pinning valve, the tubes, the wiring
harness, the pinning head, and other attached parts of
the cylinder assembly. Adjust and secure all parts as
needed to ensure clearance.
25. Place cylinder assembly on a suitable fixture. Tag and
remove hoses from cylinder assembly. Tag and remove
wear pads from cylinder assembly as needed.
Remove Sections 2, 3, 4, and 5 from Section 1
1. Have fixtures in place for resting disassembled boom
sections.
2. Unlock section 2's section pins using set screws (1)
(Figure 4-17) to release them from the cutouts in section
1.
4-12
P1060055
3. Slide section 2 and the other sections until section pins
of section 2 are well away from the cutouts in section 1.
4. Remove top and bottom retainer plates from front of
section 1.
5. Remove bottom corner inner wear pads and bottom
inner wear pad and shims from between bottom inner
walls of section 1 and bottom outer walls of section 2.
6. Remove the side inner wear pads and plates from
section 1. Remove side inner wear pads and shims from
between side inner walls of section 1 and side outer
walls of section 2.
7. Remove top corner inner wear pads and shims from
section 1.
8. Slide sections 2, 3, 4, and 5 out the front of section 1.
Remove the two top corner outer wear pad assemblies
from the outside top corners of section 2.
9. Remove the two bottom corner outer wear pads from the
outside bottom corners of section 2.
10. Place boom sections on suitable fixtures for further
teardown.
Remove Sections 3, 4, and 5 from Section 2
1. Have fixtures in place for resting disassembled boom
sections.
2. Unlock section 3's section pins using set screws to
release them from the cutouts in section 2 (Figure 4-17).
3. Slide section 3 and the other sections until section pins
of section 3 are well away from the cutouts in section 2.
4. Remove the top and bottom retainer plates from front of
section 2.
Published 1-16-2017 Control # 343-07
RT9150E SERVICE MANUAL
1
FIGURE 4-17