my!
WIND
Ltd.
Soola 1a
51013 Tartu, Estonia
Email: [email protected]
Website: www.mywind.ee
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P a g e 2 6 / 0 7 / 2 0 1 9
4. Push the yaw system flange against the tower 2
nd
segment top by moving the transportation
box. Make sure that holes in the yaw system flange align with the holes in the tower 2
nd
segment top and that the flanges are approximately parallel to each other. If necessary adjust
the height of the transportation box or the tower according to the tower erection sequence.
5. Fit six M16 x 40 bolts with a spring washer and then a regular washer and place the bolts to
join the yaw system flange to tower 2
nd
segment top (see Figure 16). Use WD-40 oil to
lubricate the bolts before placing them into the threaded holes. Fix the bolts cross wise with a
torque of 222 Nm, going first 50% and then 100%.
Figure 16
– Fixing the generator
Step 2: Repositioning the tower
1. Use the lifting equipment according to the tower erection chapter to lift the generator out of
the transportation box and remove the box.
2. Place the mast tripod or wooden pallets with a height of 1,3 m underneath the 2
nd
segment
approximately 4,5 m from the foundation edge (see Figure 17).
3. Lower the tower 2
nd
segment onto the tripod or pallets.
! IMPORTANT:
Make sure that the
segment is securely supported and shall not fall over.
4. Keep enough pressure on the lifting cable to prevent the gin-pole from falling down.
