Avanti CF103 User Manual download pdf (Page 52)

52 AVANTI Work Cage for Wind Turbines

The drive wire is fastened as described in point

2.6.1 beneath and the safety wire is fastened

in one of three ways described in point 2.6.2,

2.6.3, or 2.6.4.

IMPORTANT!

Before fastening the safety wire carry

out the safety brake test (See Installation

Manual section 4.2) e) page 48).

Fig. 13a Method 2: safety brake safety wire.

Left wire on work cage viewed from the front

Safety wire

Wire lock,

2 pieces

Thimble

Spring

Rigging screw

fork/fork

Eye bolt

Wall anchor

2.6 Securing the drive and safety wire

Fig. 13 Method1: Drive wire contra weight

2.6.1 Drive wire contra weight

An 11 kg weight is mounted approximately

300mm above the ﬂoor on the drive wire. Excess

wire is coiled with at least 3 strips (See Fig. 13).

2.6.2 Safety wire

– wedge anchor with spring

Like in point 2.3.1 above the wire is fastened

using a rigging screw with spring (See Fig. 13a).

Mounting safety wire without spring will cause

the safety brake block often. Excess wire is

coiled with at least 3 strips.

• Atwirelengthof60m,tightentherigging

screw so the wire stretches 9 mm.

• Atwirelengthsof100m,tightentherigging

screw so the wire stretches 15 mm.

This will tighten the wire to approximately

400-500 N (88-100 Lbs).

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Avanti CF103 User Manual Page 52