AOC 15 user manual Kea

6.0 Tower and Wind Turbine Generator Installation 47

before hoisting the wind turbine generator will make alignment with the tower easier. The timing of yaw lock release should be determined by trained personnel.

Photo Courtesy of

KEA

Figure 6-12 Lifting of tilt down tower at Kotzebue Electric Association

The large crane should lift the wind turbine generator using two slings as shown in Figure 6-13. The weight of the wind turbine is approximately 2,480 kg (5,450 lbs.). Any straps should be on the inside of the conduit. THE HOIST RINGS SHOULD NOT BE USED FOR LIFTING

THE WIND TURBINE GENERATOR!

CAUTION

ALL LIFTING DEVICES SHOULD BE INSPECTED FOR

INTEGRITY, SUITABILITY FOR PURPOSE AND CORRECT

ATTACHMENT BEFORE LIFTING.

The wind turbine generator should be lifted slightly to see whether it sits level in its slings. If it does it should be lowered back to the ground and its slings readjusted.

The wind turbine generator should be lifted slowly to a height of approximately 4 m (13 feet), while the blade closest to the ground is held steady and rotate until it is directly vertical. The parking brake needs to be released. The third blade can now be mounted to the hub with the

NOTICE: Use of the material contained in this document is subject to the warning on page Iv and the disclaimer on page v of this document.

DOC012R02 AOC 15/50 User Manual Nov 2001