Page 20 - TPM Issue9

LIEBHERR LTR 1220 Telescopic Crawler Crane

Below:
Attaching the second track
frame to the undercarriage,
using the included lifting Above:
bracket. The six-section telescopic
boom can be extended and
locks in three different positions.

Once the track frames have been braked winches is that there is no
attached, the undercarriage ballast resistance, so it is not possible to show
can be installed, clipping into place. the crane lifting a heavy load, like the Left:
The jib can be set in one of
The four access ladders can either be track frames, which is a shame. three different angles, pinning
attached to the sides of the There is a two-section fold out lattice onto the tip of the boom with
undercarriage ballast, or to the outer jib supplied in the box which fits onto the included metal pins.
sides of the track frames depending the brackets on the side of the boom
on collector preference. With the track when not in use, pinning into place on
frames and undercarriage in place, the tip of the boom to extend the height
it is time to set up the main of the crane. The jib can be set at three
counterweight for the crane, with the different angles.
baseplate slotting into position on the The main 6-section telescopic boom
undercarriage ballast, where the can be extended and each section
individual ballast plates can be in- locks in one of three positions, 50%,
stalled, up to three on each side. Once 90% and 100% with printing used on
ready, the counterweight plate clips each boom section which is nice to
into place beneath the upper carriage see. The main lift hydraulic has a top
frame. section that can be rotated to lock the
There is a secondary winch that pins inner piston to prevent the boom from
into place behind the main winch for collapsing and this works well, with a
two hook operation and there are two special key included to tighten
hooks in the box, a three-pulley hook the cylinder. This appears
and a headache ball hook. The to be stable enough to
winches are operated by hand, with a hold the boom at any
ridged edge that can be turned by angle, even with the
thumb. The disadvantage to non- boom fully extended.

20 TPMMW Magazine - Winter 2021