Maeda CC423S-1, Operation Manual

Page: 224 / 278

216
[8] WIRE ROPE REPLACEMENT
Always put on thick leather work gloves when replacing the wire rope.
CAUTION
• The diameter of the wire rope is measured at points where the wire repeatedly runs through
the sheave. A mean value needs to be determined through 3 way measurement. (A
measurement should be performed not only at one point but at several points, spacing
between the points.)
• Do not use old wire rope regardless of the frequency of use.
NOTES
Refer to “Operation 4.1 Criteria for Wire Rope Replacement” on the replacement criteria for the
wire rope.
REMOVAL OF WINCH WIRE ROPE
Use the following procedure to remove the wire rope.
1. Place the machine on a level and firm surface.
2. Shift the right work equipment operation lever (3) into
“Raise” (pull to the left) to raise the boom slightly.
3. Shift the right control lever into “Down” (push it forward)
to lower the hook block near to the ground.
4. Shift the right control lever into “Lower” (push to the right)
to rest the hook block on the ground.
5. Remove the wedge socket fixing bolt (2), then remove
the wedge socket (3) by pulling out the wedge socket pin
(1).
6. Remove the wire clip (4).
7. Pull the wire rope (5) out of the wedge socket (3),
following the procedure provided below.
(1) Bring a 4 to 6 mm round bar (6) into contact with the
rope wedge (7).
(2) Remove the rope wedge (7) by lightly tapping the
round bar (6) with a hammer in the direction
indicated by the arrow (a).
8. Shift the right machine operation lever into “Down” (push
it forward) to wind up the wire rope (5) from the winch
drum.