Mini-Crawler Crane M A E D A Section 5 – GENERAL MACHINE MAINTENANCE
1/2019 MC405C-3 5-71
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. 5-176
2. Retract the booms completely. Boom
stowing is required.
Measure clearance (a) to check the following
for proper adjustment.
• If 5-mm 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. 5-177
3. Remove the three mounting bolts (1) at the
boom end and remove the cover (2).
If sag is developed in the wire rope, adjust
the wire rope according to "Adjustment of
Boom Telescoping Wire Rope" on page 5-
71.
Fig. 5-178