Juliano's
Jumbo Door Check How-to

Juliano's jumbo door checks are a safe way to route wires in and out of the doors for power windows, lights, speakers, etc., and to check the door travel. What you see pictured here is everything that comes in the kit. It's all the hardware needed when the original doorstop brackets are being used. The first thing to check is the gap between the original upper and lower doorstop brackets. There has to be a 5/16-inch gap between them. If there is, you're all set. Just make sure there's a hole drilled in-between them for the wires to pass through. If there isn't a 5/16-inch separation, you have two routes you can take. The first one is the easiest: modify the original doorstop brackets.

Take a flat pry-bar and spread the brackets apart.

Using a section of round stock or any other metal object with a 5/16-inch diameter as a spacer, take a pair of channel lock pliers and crimp the brackets around it.

It is possible to use the jumbo door check as a spacer for the final fit, but don't squeeze too hard. You might damage the door check.

Using the screw and lock nut provided in the kit, mount the door check in place with the hooked end turning out. If you are running wires through the door check, now is the time to push them through. You need to make sure that the wire hole between the brackets, is big enough to allow the wires to move freely without rubbing during the opening and closing operations of the door.

The next step is to pass the door check through the hole in the doorframe. Some filing may be necessary to enlarge the original hole. In this installation we had to drill out and remove the original doorframe bracket to get the door check to pass through. Once the door check is sliding freely within the doorframe, close the door half way and install the rubber bumper. To do that, slide the large rubber washer onto the portion of door check that is inside the door. Then slide the metal washer on, and finally, insert the cotter pin in the hole at the end of the door check to keep them all in place.

If the original doorstop brackets cannot be modified, or if some other type of bracket is being used, it will be necessary to purchase a Juliano "bracket kit" as shown here.

Then as shown in figure 1, mount two of the "L" brackets, facing each other, to the center of the cowl side of the jamb first. Keep in mind that their mounting area must also be in a good spot for the door check to pass through on the doorframe side. Mount them 5/16-inch apart and drill a wire pass-through hole between them. Mark the center of that hole on the door frame side of the jamb. To each side of that mark drill two 5/16-inch holes. They should be 3/8-inch apart (center to center) and horizontal. File out the center, to form an oval hole for the door check to pass through and repeat steps 4 and 5 to complete the installation.

For Technical Assistance or Questions Call
860-872-1932

This How-to is for use with
Juliano's
Jumbo Door Checks

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800-300-1932
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860-872-1932