- 9 -
6. Operation
1. See “Outrigger Setting
in the MC-174C Operation Manual,
page 3-68
” and set the outrigger.
2. Fasten searcher bracket (3) to main-boom using 4 sets of M12
bolts and nuts. Tighten the bolts with torque wrench (B) then to
torque of 93Nm [
±
13Nm]
.
Torque Searcher Hook mounting plate bolts to 93Nm.
Use new nuts, bolts and washers every time mounting plate
is installed.
Refer to the Operation Manual for complete details.
3. Shift the wire falls selector switch on moment limiter display
unit to ”Searcher hook mode” (all LED ON).
Fall mode must be set as “Searcher hook mode” when
operating searcher hook. Using searcher hook other than
in “Searcher hook mode” may prevent issuance of the
pre-warnings and boom auto-stop even when the overload
is near happening, and thus may result in crane damage or
the machine tripping over and may result in a serious
accident.
4. Remove the snap pin (5) from the end of position pin (4) of
bracket (3), and remove the position pin (4).
5.
Move E boom (2) to the required angle for the work, and line
up the holes in the E boom (2) and bracket (3).