Section 4 – SEARCHER HOOK OPERATION Mini-Crawler Crane M A E D A
4-124 9/2020 MC285CB-3
SEARCHER HOOK
OPERATION
WARNING! The over winding detector must be
turned off if the searcher hook is used with the
hook block detached. To change the setting,
contact us or our sales service agency.
However, if the over winding detector is
turned off when using the searcher hook with
the hook block attached, the over winding
detector will not operate. In such case, the
hook block is in danger of falling off.
1. See “OUTRIGGER SETTING” on page 4-43
and set the outrigger.
Fig.4-307
2. Install bracket (1) using M12 bolts with
washers (strength 10.9), nuts, and washers
to main boom, and install bracket (2) using
M8 bolts with washers (strength 10.9) to main
boom.
Using torque wrench, tighten M12 bolts at
93 N・m (±14 N・m) and M8 bolts at 27 N・m
(±8 N・m).
Fig.4-308
DANGER! Crash Hazard. Make sure to torque
searcher hook mounting plate bolts to the
designated tightening torque.
To install searcher hook, always use new
genuine Maeda bolts, nuts, and washers.
3. Remove the lynch pin (4) from the end of
position pin (3), and remove the position pin.
Fig.4-309
4. Line up the hole (6) in E-boom (5) tip and hole
(7) in bracket.
Fig.4-310
5. Insert the removed position pin (3) (in
procedure 3.) through the hole of bracket,
and secure with lynch pin (4) to the tip of
position pin (3).
Fig.4-311
DANGER! Always secure the position pin with
the lynch pin. If the position pin falls out
during operations, serious injury or damage
to the machine may result.