Published 4-22-15, Control # 556-00 4-19
RT530E-2 SERVICE MANUAL BOOM
Boom Installation
NOTE: The following procedure applies to a boom totally
removed from the crane.
1. If the lift cylinder was removed from the crane, refer to
installation procedures in LIFT CYLINDER
INSTALLATION in this section.
2. Extend and set the outriggers to level the crane and
position superstructure toward front of crane.
3. Attach an adequate lifting device to the boom and
suspend the boom over the machine.
4. Lower the boom into position and align the boom pivot
shaft mounting holes for installation of the pivot shaft to
the superstructure assembly.
5. Lubricate and install the boom pivot shaft. Secure in
place with the retaining pin and clip pin Install the grease
fitting in each end of the shaft.
6. Block the boom in place.
7. Attach a suitable lifting device to the lift cylinder.
8. Using the lifting device attached to the boom, lower the
boom onto the lift cylinder rod end and extend the lift
cylinder as necessary to align rod with attach fitting on
boom.
9. Lubricate and install the upper lift cylinder shaft. Secure
in place with the bolt and washer. Refer to LIFT
CIRCUIT INSTALLATION in this section.
10. Remove the boom lifting device.
11. Activate the hydraulic system to remove the boom and
lift cylinder blocking devices. Lower the boom to
horizontal. Shut down the crane.
12. Connect the hydraulic lines to the telescope cylinder as
tagged prior to removal.
13. Connect any electrical wires as tagged prior to removal.
14. Refer to BOOM EXTENSION AND RETRACTION
CABLE ADJUSTMENT in this section for cable
adjustments.
Functional Check
1. Activate the hydraulic system and check for proper
operation and any leaks.
2. Ensure the boom will extend and retract properly.
3. Ensure the lift cylinder will not allow the boom to drift
down until the operator lowers it.
4. Ensure all electrical components disconnected during
removal are operating properly.
Inspection
Visually inspect telescoping sections for adequate lubrication
of all wear surfaces. Observe extended sections for
evidence of cracks, warping, or other damage. Periodically
check security of boom wear pads. Check boom nose
sheaves for security and freedom of movement.
Boom Alignment And Servicing
Boom alignment is achieved by adjustment of the wear pads
located at various points in the boom assembly. Adjustment
of the wear pads is as follows:
1. Fully extend the boom horizontally.
2. Lubricate the boom bottom plates (sides and bottom).
3. Shim the front lower side wear pads to within 1.52 mm
(0.06 in) from side plate of next inner boom section, then
shim the front upper wear pads in the same manner. Use
equal number of shims on each side.
DANGER
Ensure blocking and lifting devices are capable of
supporting the boom assembly.
DANGER
Block the boom before doing any work under the boom.
DANGER
Failure to properly support the boom lift cylinder may
result in death or injury to personnel.
DANGER
If the hydraulic system must be activated to extend or
retract the lift cylinder, ensure the rod end is properly
aligned with the lift cylinder attach fitting.
CAUTION
When extending and retracting the boom during
alignment, movement should be stopped if a restriction is
encountered, and wear pads re-shimmed as necessary to
provide free travel of the affected boom section(s).
Reference Only
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