Superior spx 960, Instruction Manual For Operating And Maintenance

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Istruction Manual for Operation and Maintenance
SPX-960
:
Fig. 50
1) Correct cable unwinding. - 2) Incorrect cable unwinding. - 3) Correct cable unwinding. - 4) Incorrect cable
unwinding. - 5) Wire rope stop plate. - 6) Wire rope tightening screw.
1 2
3 4
5
6
4.9 WIRE ROPES
4.9.1 WIRE ROPE SPECIFICATIONS
Nominal diameter .................................................................................................................... 19mm / 3/4”
Max. guaranteed breaking strength. .............................................................................................32000 kg
Breaking strength per sq.mm ..................................................................................................220 kg/mmq
Winding................................................................................................................................ crociata destra
Composition.....................................................................................................N°6 strands, 36 wires each
Core type ....................................................................................................................... 49-wire metal core
Nominal mass per linear meter........................................................................................................1.52 kg
Length (upper winch - boom)...............................................................................................................70 m
Length (lower winch - hook). .............................................................................................................120 m
4.9.2 WIRE ROPE INSTALLATION
The wire rope must be installed with the boom at approx. one meter from ground level (Fig. 47).
Unwind the rope as illustrated in Fig. 50. Put one end of the wire rope in the drum hole and secure it in
place with a plate (5 in Fig. 50). Turn the bolt (6 in Fig. 50) until the tightening torque is 26 daNm.
4
4-33
MACHINE OPERATION