User's Manual

GM085_ENG_rev.docx www.loadsystems.com 4
Figure 5: Jib, rooster or other extension: anti-two-block
switch placement for single part of line operation only
For fast line weight installation place the
anti-twoblock switch mounting bracket
directly below the sheave center as low
and as close to the edge of the sheave as
possible. Place the fast line weight
mounting bracket on the opposite side of
the sheave with the chain hole pointing
down and lined up opposite the pivot of
the anti-two-block switch mounting
bracket.
Figure 6: Fast line weight installation
3. GS085 Installation
Install the GS085 on the LB011 (switch
bracket) already installed on the crane
boom(step 2), with the battery cover
pointing away from the boom.
Install a weight and chain assembly to the
eye nut. The weight and chain assembly
can either be supplied by LSI (as an
option) or the original assembly supplied
with the crane. If the original assembly is
to be used, its total weight must not be
more than 13lb and the chain weight
must not exceed 2lb.
4. Chain length adjustment
Chain length adjustment No.1 – minimum
boom angle
a. At minimum boom angle, with no
additional weight on the hook
block and one part of line only, lift
the boom just enough to have the
hook block off the ground and
clear the sensor chain and weight.
Figure 7: Chain length adjustment - Minimum boom
angle
b. Hoist slowly until the buzzer
sounds. Note the hoisting distance
remaining; this distance must be
great enough to allow the
operator and the lockout system,
if installed, to prevent a two-block
event. If necessary, add chain
between the sensor and weight to
increase warning distance. If still
insufficient, contact your service
representative.
Chain length adjustment No.2 – maximum
boom angle
a. Raise the boom to the maximum
angle.
b. Hoist slowly as described in Step
1.b. Verify that the warning
distance is equal to or greater than