How do you check a holding down bolt?
Hold the tip of the thumb on one side of the nut face and strike the nut on the opposite side. If the nut is slack, the nut and stud spring against the thumb and then retract. the movement can be felt against the thumb. If a holding down bolt is of the fitted type, this test cannot be used, and a hydraulic jack must be used.
How can I tell if my electric fan is still working?
If you don’t hear anything, put your ear up to the middle of the case behind the blades. Press the button to turn the fan off and on again, this time listening closely for the motor. If you hear it humming or buzzing, your motor is likely still functioning. Check the fan in multiple outlets.
What can I do to keep bolts from falling off?
While these devices do prevent the nut from falling off the bolt, they generally do not help the joint maintain the specified clamp force. Prevailing torque nuts. Nylon or metal inserts inside a nut (sometimes called a “lock nut”) can add extra friction to prevent loosening.
What causes holding down nuts to seize on Studs?
Due to the presence of bilge water on the tank top at various times, the holding down bolt nuts may rust and seize on the studs. In this case, the seized condition makes it seam as if the nut is tight. The hammer testing method, however, can be used in finding slack nuts, even when they are seized on a stud.
How to tell if an existing outlet box will support a fan?
The best way to confirm that a box is securely attached is to inspect from above. Crawling through the attic to locate the box allows you to confirm that all supports are adequate. However, if you are installing a fan between stories where there is no attic space, you will have to determine from below. Look for the attachment points of the box.
Are there any screws in the ceiling fan box?
There are no screws available in the box. Am I supposed to use the screws through the box ears and then into holes at the end? The holes at the end only seem to have 2-3 threads, would they be enough to hold the weight of fan? The fan I’m trying to install needs at least 35 lbs weight (actual weight of fan is around 15 lbs).
Can a 70 pound fan be attached to a joist?
You can see a partially painted over label there that says it can handle a 70-pound fan or fixture when attached to joists that are 24″ on center, so yeah, it’s a fan rated box alright. However, it appears to use a metal hanger bar running across a joist bay (instead of mounting to a joist directly in the fashion a pancake or saddle box does).
What is universal fan clutch water pump holding tool?
Universal Fan Clutch Water Pump Pulley Holding ToolThis unique tool is a specially designed contoured water pump holder that is exceptionally easy to use on vehicles using bolt on pulleys on the water pump. The new water pump holding tool replaces all designs of water pump holding tools for “bolt on type pulleys”.