Can I use olive oil on my trumpet valves?
Using WD-40, mineral oil, olive oil, or other oils found in your home are not recommended for oiling trumpet valves. Although it may be tempting to use these since they are typically easily accessible, it is wise to wait until you can buy proper valve oil. These home-remedies can severely damage a brass instrument.
What should I do if my valve is sticking?
If so, keep in mind that the “cheaters” may have damaged the stems and the valves may need new parts before an effective seal is even possible. 3. Consider an actuated valve that does not containa rising stem but is already contained inside the seal and has no exposed surfaces.
What causes a valve to stick to the floor?
If you are experiencing the Joules-Thompson effect, and moisture is present, you could be forming hydrates inside the valve over time, causing it to stick. Make sure the mixture is dry as a bone. From what I can picture, these valves are relatively slow-opening and your actuator could be limited in strength.
What happens when a valve on a process unit sticks?
Once in a while, one of these valves will stick, shutting down the process unit. The valves, which open and close about every two-and-a-half minutes, have 20 seconds to reach the positioner before going into alarm. Almost all of the valves in this section of the plant have been stuck at one time or another.
What causes a valve to get stuck in a plant?
A few things to consider: 1. Since you mentioned that valves around this area of the plant have gotten stuck, evaluate your torquing procedure as it relates to tightening packing in valves. You might be overtightening the packing, causing the valve to freeze up.
What causes a valve to stick on a car?
Lycoming Service Letter L197A, “Recommendations to Avoid Valve Sticking,” attributes sticking valves to oil contaminants and combustion residue. Both of these can build up on the valve stem and guide and interfere with the stem’s movement.
What happens when a valve is stuck in the closed position?
When a valve is stuck in the closed position, the damage most likely to occur is a bent pushrod, as something has got to give. The other way, which happened me, was the valve was stuck open. Lycoming Service Letter L197A, “Recommendations to Avoid Valve Sticking,” attributes sticking valves to oil contaminants and combustion residue.
Once in a while, one of these valves will stick, shutting down the process unit. The valves, which open and close about every two-and-a-half minutes, have 20 seconds to reach the positioner before going into alarm. Almost all of the valves in this section of the plant have been stuck at one time or another.
Why is my reversing valve in the wrong position?
They tend to leap to seemingly obvious conclusions. If the reversing valve doesn’t reverse, they assume it is faulty. If the reversing valve is in the wrong position, they assume it is faulty. In reality, these judgments usually are the result of faulty diagnosis, not faulty valves.