6-17
(3) Connect the harness connector (34), as extracted in (1) above, to the harness connector (36) and
then close the cover.
• Arrange the harness connector (34) to pass through the notch
hole under the harness connection part (20: Main boom side)
after removing it from harness connection part (Fly-jib side).
• When you close the cover, take care that the harness
connectors (34 and 36) and storage connector (35) are within
the harness connection part.
13. Remove the wire rope from the hook block as shown below:
• Take care to avoid the wire rope winding randomly.
• Avoid unwinding after the hook is grounded; that will
make the wire rope wind randomly around the winch drum.
(1) Retract the boom fully and set the boom angle to approx. 20
degrees.
(2) Lower the hook so that it almost touches the ground.
(3) Lower the boom to allow the hook to ground.
(4) Remove bolt (39) and extract a wedge socket pin (38), then
remove the wire socket (37) from the Main boom.
(5) Remove the wire clip (40).
(6) Using a bar (A) with a diameter of 6 to 8mm and apply to the
rope wedge (41) and hammer it lightly; so that the rope wedge
(41) is removed.
(7) Remove the wire rope (12) from the hook.
(8) Remove the wire rope (12) from the over-hoist detector
weight (42).
(9) Pull out the wire rope (12) to a sheave in the Main boom tip.
(10) Hook the over-hoist detector weight (42) to the weight
hanger (43) below the main boom.
14. Start the engine and wind up the removed wire rope in
accordance with 13, above by winch operation.
• Take care to avoid the wire rope winding randomly.
• The wire rope should not be wound to the end, so stop
winding to allowing 7m to 8m excess from sheave (44) of
the boom tip.
After harness exchange;
the Main boom side: