Section 5 – GENERAL MACHINE MAINTENANSE
Mini-Crawler Crane M A E D A
5-72 3/2019 MC305C-3
Adjustment of Boom Telescoping Wire Rope
CAUTION: The wire ropes must be adjusted to
the correct tightness.
A boom extending wire rope (1 piece) and
retracting wire rope (1 piece) are used in this
machine.
Adjustment of these wire ropes must conform to
the specified procedure. Use the following
procedure for wire rope adjustment.
1. With the booms retracted in a horizontal
position, extend the telescoping booms
approx. 2m.
Fig. 5-156
2. Retract the booms completely. Slow boom
stowing is required.
Measure clearance (a) to check the following
for proper adjustment.
• If 5mm or more clearance is formed,
adjust the retracting wire rope (5) of boom
No.5.
• If no clearance is formed, perform wire
rope adjustment from section 5
"Adjustment of boom No.5 extending wire
rope (8)".
Fig. 5-157
3. Remove the three mounting bolts (1) at the
boom end and remove the cover (1).
If sag is developed in the wire rope, adjust the
wire rope according to "Adjustment of wire
rope".
Fig. 5-158
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