M A E D A Mini-Crawler Crane Section 5 – AUXILIARY WINCH INSPECTION AND MAINTENANCE
1/2019 MC285C-3 5-81
7. Push the winch lever forward to DOWN and
remove the wire rope (5) from winch drum.
8. When you have removed the wire rope,
remove the end of the wire rope (5) that was
attached to the winch drum (8) using the
following procedure:
Fig. 5-169
• Have a piece of round bar (6) with a
diameter of 4 to 6 mm ready and apply it to
rope wedge (9).
• Lightly tap round bar with hammer in the
direction indicated by the arrow (b) to
remove the rope wedge.
9. Wind up the remaining wire rope (5)
completely.
Removal of the winch wire rope is completed.
Winch Wire Rope - Installation
WARNING! The following safety messages
address a potential Lift Hazard:
• Always attach the rope wedge securely to
the wire rope.
• Avoid irregular winding of the wire rope in
the winch drum.
• Always hoist an object 2.9 to 4.9 kN (300 to
500 kg) with the boom extended and raised
fully immediately after attaching a new rope.
Repeat raising and lowering the hook
several times until the new rope conforms.
• Do not kink the rope when winding up.
Always unwind by the rope by pulling it off
the winch drum.
Use the following procedure to attach the wire
rope.
1. With the end of the wire rope held, draw the
wire rope (6) through the weight of the over
winding detector (1), the load sheave (2) at
the boom end, the wire guide (3) of No. 2
boom, the guide sheave (4) of No.1 boom,
and also the idler sheave (5) of No.1 boom.
Fig. 5-170
2. Draw the wire rope (6) through the
attachment hole of the winch drum (8).
Secure the wire rope to the winch drum,
following the procedure provided below.
Fig. 5-171
a. Draw the slackened wire rope (6) through
the winch drum.
b. The rope wedge (9) should be in position
(a). Pass the wire rope (6) around the rope
wedge and pull the rope in the direction
indicated by the arrow.
Adjust the length of the wire rope (6) to
keep the end of the wire rope from
protruding from the narrow hole in the
winch drum.
3. Slowly move the winch lever to the UP
position (pull it toward you) to wind up the
wire rope in the winch drum.
To Next Page
Loading...
