Bifold Door Installation Guide


These illustrations are to be used as an overview guide. Fully detailed instruction manuals are shipped with each hydraulic door with step-by-step instructions.

Step 1 - Preparing the door for installation

Position the door near the building opening.
Schweiss Bifold Door frame shown in two pieces

Schweiss Bifold door frame shown in two pieces

Step 2 - Assemble the door frame

Slide top half and bottom half together
Make sure the top half and bottom half of the door frame line up with each other.
Install the hinge pins into each hinge location.
Door sections are now connected together.

Schweiss Bifold door frame having hinge pins put in
Hinge Pin

Step 3 - Positioning the door

Attach straps and safety shield to lift drums. Route the straps up and around the top attachments and secure to the strap tighteners.

Install the electrical system to the door frame.

Top Attachments
Strap Tighteners
Schweiss Bifold Door Frame with Straps

Step 4 - Positioning the door

Close up of Schweiss Bifold Door Frame.

Position the door squarely in front of the rough opening on your building.

Bifold door in position to lift into door frame.

Step 5 - Installing the door into your building opening

Special Note: Building Sheeting

New Construction: Leave the building sheeting off around the doors opening, until the door had been completely installed.

Existing Structure: Remove the building sheeting off around the doors opening, until the door had been completely installed.

Use the proper sized forklift to elevate your door into position.
The door will weigh roughly 5 lbs. per square foot plus any options added to the door.

Safety First:
Be sure that your fork lift is rated to lift the full weight of the door.
Always carry the loads within the forklifts manufacturer recommended capacity.
Secure the door to the forklift with chains to make sure the door will not fall.

Keep the door secure to the forklift with chains until the door has been securely fastened to the building structure.

Schweiss BiFold Door on Forklift

With crane lifting Schweiss Bifold Door into place, lift and move the door forward into the opening until the door frame is in the door opening.

Maintain a 3" space between the finished floor and the bottom of your door frame. Use blocking to maintain a 3" space. Lower the door onto the blocks.

Square both sides of the door and flush within the face of the building.

Secure the top half and bottom of the door to the building structure.
The top of the door frame must be square and level.
Secure the top attachment (Hinges) to the building with a through bolt.

Step 6 - Fastening the door to your building

Schweiss Bifold Door is mounted in place.

Fastening Schweiss Bifold Door into place

Step 7 - Check over the door

Take time to check the door over.
Make sure all bolts and through bolts and cotter keys are all in place.

Step 8 - Cycle the door

It is time to cycle the door.

The door will open or close by pressing the button on the control station. Set the up/down limit switches.

Bifold door being cycled

Step 9 - Weather stripping

Apply the self adhesive foam weather stripping to the side and top of the door frame.

About this installation guide

These instructions are to be used as an overview guide. Fully detailed instruction manuals are shipped with each door with step-by-step instructions.