Repeat this procedure for the opposite boom angle.
Tighten all mounting bolts and recheck the
ohmic value. Connect the transducer cable to the
(b) Depress the push-to-test and push-to-set
angle transducer and tighten.
buttons for either the low or high boom angle warning.
Turn the console switch to the "35 check"
The alarm bell should sound when these buttons are
position. Set the boom at a 35 angle, using the angle
depressed. Repeat this procedure with the other push-
meter as a check. Lay hook blocks on the ground. The
percent capacity meter will read 100% 10%. This
(c) Lock the adjusting knobs in position with the
value varies with boom variations, manufacturing
tolerances, reeving, boom point sheave arrangement,
(d) When the angle settings are exceeded, the red
etc. Booming on either side of the 35 position may
Cap/Angle Warning light will be lit and the alarm bell will
make the percent capacity meter decrease, depending
on the computer programming.
(15)The best way to check the performance of the
Turn the console switch to the" run" position.
system is to pick up a known weight and compare it to
The load computer is now ready for operation. Set the
the rating plate. A reading which is reasonably close
low and high boom angle warnings as follows (see fig.
should be acceptable since many times it is difficult to
get an accurately known weight.
(16)As a safety precaution, it is recommended that
Depress and hold the low or high boom angle
warning push-to-set button. Unlock the low and high
prior to making critical lifts. Procedures indicated in
angle adjusting knobs. Turn the adjusting knob for the
push-to-set button being depressed until the desired