Elliott E190, Operation And Maintenance Manual

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Four Section Boom Operation-aerial EEC-0081 V1.3
Four Section Boom Operation
Boom Disassembly Alternative
A. Gaining access through rear of boom, loosen capscrews retaining the keeper
plates holding the extend cable anchor and retract cables in the rear of the 3
rd
section, remove keeper plates.
B. Extend boom 24 inches (60 cm). Loosen and remove the nuts which secure the
extend cables to the cable anchor plate. Tag and disconnect hydraulic lines to
the extend cylinder.
C. Drape extend cables inside boom and slide cable anchor plate out of the side of
the winch mount if winch has been removed from boom.
D. Loosen and remove two capscrews, lockwashers and spacers which anchor the
extend cylinder rod butt plate to the rear of the 1
st
section.
E. Loosen and remove two capscrews and lockwashers securing spacer bar to the
inside top of the front of the 1
st
section. Remove spacer bar.
F. Loosen and remove four capscrews securing wear pads to the bottom of the 1
st
section. Removal of side wear pads is optional. Adequate clearance exists
between adjoining section side pads for boom disassembly. If side pad removal
is required, tag all pads, shims and corresponding locations for proper
reassembly.
G. Support 2
nd
-3
rd
-4
th
assembly at the front with an appropriate lifting method. Raise
the 2
nd
-3
rd
-4
th
assembly inside the 1
st
section to allow for front bottom pad
removal. Remove bottom wear pads.
H. With the 2
nd
-3
rd
-4
th
assembly supported, slide assembly out of the 1
st
. Relocation
of the sling point on the 2
nd
-3
rd
-4
th
assembly will be necessary for proper
balancing of the assembly as it slides out of the 1
st
section. Keep tension on
retract cables as the assembly is pulled out of the 1
st
to minimize the chance of
retract cable damage.
I. Place 2
nd
-3
rd
-4
th
assembly on a suitable horizontal surface. Take care not to
pinch or crush retract cables while lifting or supporting assembly.