Elliott E190, Operation And Maintenance Manual

Page: 206 / 358

Five Section Boom Operation-aerial EEC-0080 V1.3
Five Section Boom Operation
I. Remove lower L-pads, retract cables and retract cable retaining capscrews from rear
of 2
nd
section. Remove retract cable retaining plates from the rear of the 3
rd
section.
Remove 3/2/1 retract cables from anchor pocket in 3
rd
section.
J. Remove retaining capscrews from cylinder anchor channels in the rear of the 2
nd
section. Remove upper top wear pads and cam plates from upper rear of the 3
rd
section.
K. Remove cable guide and upper spacer bar/cable retainers from the front top of the
2
nd
section. Attach a sling or chain to the tip of the 3
rd
section boom and pull the 3
rd
-
4
th
-5
th
assembly out of the 2nd approximately 12 inches (30cm). Suspend the 3
rd
section off of the lower wear pads.
L. Remove capscrews retaining 1/2/3 extend sheaves to the top plate of the 2
nd
section, this will allow the sheaves, pins and extend cables to lie on the top plate of
the 3
rd
section.
M. Remove 4 capscrews which retain the lower front pad plate to the 2
nd
section.
Remove pad plate. Remove and tag four side wear pads with shims from front of 2
nd
section. Pull the retract cables out and keep retract cables taut while pulling the 3
rd
-
4
th
-5
th
assembly out of the 2
nd
section. Support the base end of the 3
rd
as it exits the
2
nd
section boom.
N. Place 3
rd
-4
th
-5
th
assembly on a suitable horizontal surface. Take care not to damage
the retract cables while lifting or supporting the 3
rd
-4
th
-5
th
assembly. Remove 1/2/3
extend cables from the top of the 3
rd
section by removing the anchor plates and
capscrews at the rear of the section, place cables in an area to avoid damage.
O. Remove lower L-pads, retract cables and retract cable retaining capscrews from rear
of 3
rd
section. Remove retract cable retaining plates from the rear of the 4
th
section.
Remove 4/3/2 retract cables from the anchor pocket in the 4
th
section.
P. Remove lock bar and hardware from extend cylinder collar anchor pocket in the 3
rd
section. Lifting the butt plate end of the cylinder up will disengage the cylinder from
its anchor pockets in the 3
rd
section. Slowly pull cylinder out of the 3/4/5 assembly.
Keep 2/3/4 extend cables taut and in position to avoid damage as cylinder exits