Assembling mast base on mast foundation

To assemble the mast base, you need:

Place mast tube 1 on the hex nuts on the foundation bolts.
- In the Northern Hemisphere, place the hinge on the West side (W) of the mast foundation.
- In the Southern Hemisphere, place the hinge on the East side (E) of the mast foundation.
1

Mast tube 1

2

Hex nut ISO4032 M20 (3 pcs)

3

Foundation bolt
Position the lower part of the base approximately 30 mm (1.18 in) from the foundation.
Use a spirit level to check the horizontal position of the mast base plate.
If necessary, adjust the nuts to achieve the correct horizontal position.
Attach the nuts and washers. Tightening torque 100 Nm.

1

Washer DIN125 A21 (6 pcs)

2

Thin hex nut ISO4035 M20 (6 pcs)
Lift mast tube 1 to a vertical position.

The hinge must be able to move (open and close) when erecting the mast.
If the hinge does not close (the foundation bolts are too high up) or if there is not enough room to fit the topmost nuts and washers, adjust the height of the plate with the nuts and washers.
Use a spirit level to check the horizontal position of the base hinge and the vertical position of the mast tube. If necessary, adjust the bolts and nuts.
Lower the mast tube.

Assembling mast base on mast foundation - DKE100