Maeda CC1485S-1 - Checking;Adjusting Main Boom Telescoping Wire Rope

247
[2] CHECKING/ADJUSTING MAIN BOOM TELESCOPING WIRE ROPE
・ Always put on thick leather work gloves when replacing the wire rope.
・
Do not fail to follow the procedure to adjust securely the for boom telescoping wire
rope. Omitting procedural steps or leaving faulty adjustment increases the risk of fall
of the boom or load.
[CHECKING THE BOOM TELESCOPING WIRE ROPE]
When the boom extending wire rope shows a following
condition, adjust it accordingly.
1. After allowing the boom to be horizontal, repeat the
telescoping operation for several times, and then fully
retract it.
2. Measure the gap between booms No. 4 (2) and 5 (gap
(a) in the figure at the right).
NOTES
• When the gap (a) is 2mm or less, the wire rope does not
need to be adjusted.
• When the gap (a) is 2 to 4mm, conduct the adjustment by
referring to the item "
Adjusting the main boom
extending/contracting wire ropes".
• When the gap (a) exceeds 4mm, adjustment of the boom
telescoping cylinder is needed. Thus, consult with us or
our sales agency.
[ADJUSTING THE BOOM TELESCOPING WIRE ROPE]
If the gap (a) is found to be 2 to 4 mm as a result of the
wire rope inspection, adjust the wire rope by using the
following procedure:
1. Remove the mounting bolts (4) (4 bolts) and then
remove the inspection cover (3).
2. Remove the (two) mounting bolts (6), (two) washers,
and the support (5).
3. Loosen all the wire rope adjusting bolts (7) on both of
left and right side for one turn.
4. Remove the (two) mounting bolts (9), (two) washers,
and the support (8).
5. Tighten the wire rope boom telescoping wire rope
adjustment bolt (10) to set the gap (a) to 2mm or less.
6. After adjustment, mount each of the supports (5) and
(8), mounting bolts (6) and (9), and washers to the
respectively original positions and tighten the
mounting bolts of left and right evenly.
7. Attach the cover (3) at the end of boom and tighten the
mounting bolts (4).