In the following steps, the crane girder of the EHB-I is pre-installed on the ground.

The connected profile rail sections must be able to be raised and brought underneath the suspensions safely and without posing additional hazards.

    The profile rail sections must be laid out on the building floor the way they are to be later installed.

The specified dimensions, positions and clearances must be followed exactly.

The profile rail sections are laminated at the sides. The protective film is removed before further assembly.

    Pull off the protective film at a sharp angle from the side lamination.

At each profile joint:

    Turn the profile rail sections so that the arrows on all of them point in the same direction.

    Place the profile rail sections flush to one another.

The profile rail sections can be directly flush to one another. The must not be more than 2 mm apart.

    Raise the profile rail sections just in front of the profile joint by about 5 cm (e.g. on the floor with a wooden beam or, with suspended assembly, by slightly lowering the unassembled profile rail section).

●   In this way, the profile rail sections join at a slight angle to one another. This ensures that despite the camber (the profile rail sections are arched upward slightly) the distance at the bottom between the profile rails is as small as possible.

    Insert spacer parts from above in the left and right profile rail sections and, if necessary, knock them slightly into place.

●   The spacer parts are clamped in the profile head but can still slide back and forth.

    Tilt the clamping plate slightly and insert it below in the profile rail section.

When doing this, insert the bottom of the clamping plate behind the edge on the profile rail section.

    Position the clamping plate so that it is exactly centred between the two profile rail sections.

    Press the top of the clamping plate against the profile rail section.

An assembly aid can now be bolted on at the top. It will make it easier to screw the clamping plates together.

On the clamping plate:

    Bolt the assembly aid on the outer lug with an M12 rib nut.

●   The clamping plate is held by the assembly aid and can no longer fall down.

    Insert the second clamping plate as described above on the opposite side and secure it with the assembly aid.

The assembly screw (which is longer than the actual screws) is used to pull the clamping plates to the HB profile rail so that the actual screws can be inserted.

    Check the spacing of the profile rail sections again.

The profile rail sections can be directly flush to one another. The must not be more than 2 mm apart.

    Insert the M12x95 assembly screw through two opposite-lying brackets of the clamping plate.

    Screw a hexagonal nut onto the assembly screw.

    Continue screwing the assembly screw and hexagonal nut together to pull the clamping plates to the HB profile rail from both sides.

    Once the assembly screw is screwed on: remove the assembly aids (2x).

On all spacer parts:

    Push the cup square bolts through the clamping plates and the spacer parts.

●   The square end of the cup square bolt locks in the clamping plate and therefore cannot turn.

    Insert spring washer.

    Loosely screw the M12 hexagonal nut onto the cup square bolt.

    Screw the hexagonal nuts on. 120 Nm.

The U-shaped plates included do not have to be installed yet. They are only required if the travel gap is too wide.

After the assembly of the clamping plates, check whether the profile rail sections have bent apart.

    Check the travel gap in the area of the profile joint:

─     The travel gap is permitted to be maximally 25 mm wide.

─     The travel gap must be at least 19 mm wide.

    If the travel gap is too wide or too narrow: press the profile rail section together with a screw clamp or use a suitable lever to press it apart.

    Check the spacing of the profile rail sections.

The profile rail sections can be directly flush to one another. The must not be more than 2 mm apart.