Elliott E190, Operation And Maintenance Manual

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Four Section Boom Operation-aerial EEC-0081 V1.3
Four Section Boom Operation
boom sections then add jam nuts to all cables. All threaded cable ends must be
equipped with retainer nuts and jam nuts.
Boom Removal
A. Extend and set machine outriggers. Boom must be completely retracted and
stowed in the boom rest.
B. If equipped, remove swing around jib according to procedures outlined in the
“Safety & Operation” section.
C. Remove hook block or downhaul weight, wind up rope on winch drum and stow
wedge socket on pegs provided on 1
st
section. Shut down truck engine.
D. Attach a lifting device to rod end of lift cylinder, remove boom lift cylinder pin
keeper and pin from bottom of the 1
st
section boom. Lower lift cylinder to a
suitable support.
E. Tag and disconnect extend cylinder lines and winch hydraulic lines. Cap all open
lines and ports.
F. Attach a lifting device to provide even weight distribution and raise the boom until
weight is removed from the boom pivot pin. Remove boom pivot pin keeper and
boom pivot pin. Lift boom free of turret.
Boom Disassembly
A. For reference, the front of the boom refers to the sheave case end, the rear of
the boom is the winch mount end. Left and right are viewed from rear to front.
B. If the boom is to be unpinned from the turret of the aerial device structure, please
refer to the Boom Removal Procedure section in this book. If the required service
procedure is to be performed on the boom while still pinned to the turret, please
follow these directions.
C. Do not, under any circumstances, work at an elevated height without using
proper fall protection as required by local, state or federal regulations.
D. Extend and set all outriggers and SFO.
E. Fully retract the boom and place in a horizontal position.
F. Winch removal optional.