Elliott E190, Operation And Maintenance Manual

Page: 214 / 358

Five Section Boom Operation-aerial EEC-0080 V1.3
Five Section Boom Operation
wear pads on 2
nd
section pad plate, raise 3
rd
/4
th
/5
th
and cylinder assembly high
enough in the 2
nd
to allow pad plat with pads to slide between the sections, place
retract cables in the grooves in the bottom pad plate, as the boom sections are slid
together, retract cables will pull through these grooves, use appropriate hardware
and fasten the pad plate to the bottom of the 2
nd
section.
JJ. Install nuts on the threaded ends of the 4/3/2 retract cables, to keep the cable
ends from pulling through the anchor as the sections are pushed together.
KK. Push the 3
rd
/4
th
/5
th
and cylinder assembly inside the 2
nd
section, until it is within
36 inches (90cm) of full insertion.
LL. Install side wear pads with appropriate shims on the front inside of the 2
nd
section, shim according to calibration instructions, or as pads were originally
removed and tagged. Assemble 1/2/3 extend cable sheaves and pins with the
appropriate hardware to the 2
nd
section top plate, assemble cable keeper/spacer bar
plates to 2
nd
section, install cable guide and wear pad to the top of the 2
nd
section.
MM. Slide the 3
rd
/4
th
/5
th
and cylinder assembly into the 2
nd
section until the extend
cylinder collar bottoms out in its anchor pocket in the rear of the 2nd section or the
3
rd
section side plates bottom out on the doubler plates on the rear of the 2
nd
section.
Use caution as the 4/3/2 retract cable threaded ends get close to the grooves in the
lower front pad plate, adjust as necessary to allow proper placement.
NN. Cylinder length adjustment may be necessary to properly position cylinder collar
in the anchor pocket with the 3
rd
section side plates bottoming out on the doublers in
the rear of the 2
nd
. A hydraulic power source may have to be utilized to adjust the
cylinder length. Install appropriate hardware fastening the extend cylinder collar to
the cylinder mounting channels in the rear of the 2
nd
section boom. A scribe mark on
the 3
rd
section at full retraction will aid in cable tensioning for proper boom sequence
later.
OO. Assemble top rear wear pads with the cam plates to the top of the 3
rd
section.
See step K for pad installation detail.
PP. Assemble 3/2/1 retract cable button ends into anchor points in the rear of the 3
rd
section. Install keeper plates and capscrews. Assemble with Loctite 242.