Hydraulic vs. Bifold
Position the door near the building opening.
Schweiss Bifold Door frame shown in two pieces.
Slide top half and bottom half together
Make sure the top half and bottom half of the doorframe line up with each other.
Install the hinge pins into each hinge location
Door sections are now connected together.
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 doorframe.
Closeup of Schweiss Bifold Door Frame.
Position the door squarely in front of the rough opening on your building.
Special Note: Building Sheeting
New Construction: Leave the building sheeting off around the doors opening, until the door had been
Existing Structure: Remove the building sheeting off around the doors opening, until the door had been
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.
Be sure that your forklift 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
With crane lifting Schweiss Bifold Door into place, lift and move the door forward into the opening until the doorframe is in the door opening.
Maintain a 3" space between the finished floor and the bottom of your doorframe. 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 doorframe must be square and level.
Secure the top attachment (Hinges) to the building with a through bolt.
Schweiss Bifold Door is mounted in place.
Take time to check the door over.
Make sure all bolts and through bolts and cotter keys are all in place.
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.
Apply the self adhesive foam weather stripping to the side and top of the doorframe.
These instructions are to be used as an overview guide. Fully detailed instruction manuals are shipped with
each door with step-by-step instructions.