Maeda MC405C-3 - Winch Wire Rope - Removal

Mini-Crawler Crane M A E D A Section 5 – GENERAL MACHINE MAINTENANCE
1/2019 MC405C-3 5-67
4. Remove the wedge socket pin securing bolt
(1) to remove the wedge socket (2).
Fig. 5-159
5. Force to twist the end of the wire for "n"
(number of wire falls) times of the number
hook is twisted for in the opposite direction
from the direction the hook block is twisted
to and which you checked in the step 1
(opposite direction from the one the wire
rope tries to go back to naturally when you
release your hand from the wedge socket)
and install the wire rope.
6. Start the engine and operate the boom
derricking lever to the "RAISE" (pull toward
you) side to increase the boom angle to its
maximum.
7. Operate the boom telescoping lever to the
"EXTEND" (push forward) side to extend the
boom to its maximum.
Fig. 5-160
8. Operate the winch lever to repeat
raising/lowering the hook block for several
times.
9. Tidily spool up the wire rope into the winch
drum with some tension applied to the rope.
10. Repeat the above procedure until the hook is
no more twisted.
If the wire rope is still twisted after performing the
procedure above, change with a new wire rope.
Winch Wire Rope - Removal
Use the following procedure to remove the wire
rope.
1. Place the machine on a level and firm
surface.
2. Place the boom telescoping lever in the
"Extend" position (push it toward the front) to
extend the boom slightly.
3. Place the winch lever in the "Down" position
(push it toward the front) to lift down the
hook block on the ground.
4. Undo the wedge socket fixing bolt (2).
Remove the wedge socket pin (1) and
remove the wedge socket (3).
Fig. 5-161
5. Remove the wire clip (4).
6. Pull the wire rope (5) out of the wedge
socket (3), following the procedure provided
below.
(1) Bring a 4 to 6mm round bar (6) into
contact with the rope wedge (7).
(2) Remove the rope wedge (7), lightly
tapping the round bar (6) with a hammer
in the direction indicated by the arrow
(a).
Fig. 5-162
7. Place the winch lever in the "Down" position
(push it toward the front) to wind up the wire
rope (5) from the winch drum.