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Manitowoc GROVE GMK 4100 - Boom Extension

Manitowoc GROVE GMK 4100
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Lattice extension operating instructions 3 112 441 en
GMK 4100/4100-L/5095
4
11.01.2008
4 Boom extension
4.1 Rigging work checklists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 1
4.1.1 CHECKLIST: Rigging the 22 / 27 m (72 / 89 ft) boom extension . . . . . . . . . . . . . 4 - 1
4.1.2 CHECKLIST: Unrigging the 22 / 27 m (72 / 89 ft) boom extension . . . . . . . . . . . 4 - 5
4.2 Description of the rigging work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 9
4.2.1 Installing / removing section 3 and section 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 9
4.2.2 Installing / removing the swing-away lattice for the boom extension . . . . . . . . 4 - 11
4.2.3 Hydraulic connection at the boom extension. . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 12
4.2.4 Electrical connection on the boom extension . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 15
4.2.5 Fold in / out the deflection sheave on section 3. . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 18
4.2.6 Applying / removing the hoist rope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 19
4.3 Operation with boom extension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 21
4.3.1 Setting the SLI. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 21
4.3.2 Derricking the main boom . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 22
4.3.3 Telescoping with rigged boom extension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 22
4.3.4 Notes on the SLI shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 23
4.3.5 Procedure if permissible wind speed is exceeded. . . . . . . . . . . . . . . . . . . . . . . . 4 - 23
4.3.6 Notes on two-hook operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 23

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