Turn off the circulator (this will be near the boiler) and find the
bleed valve. Place a screwdriver in the
bleed valve and have a cloth ready to catch the water that will be released when the air lock is released.
This job can be messy, so protect the flooring underneath the
bleed valve and have a cloth to hand.
has released the following FAA PMA replacement parts to aid in your cost reduction programs when maintaining your High Stage
Bleed Valves.
I decided that it was very unlikely that both engine anti-ice/start
bleed valves were malfunctioning simultaneously.
Your support needs to follow the procedures from IETM 9-1055-1646-13&P for removing the old air
bleed valve and installing the 90-degree pipe fitting.
Before you open the
bleed valve, cover the floor underneath to protect it and hold a cloth underneath the valve to catch any drips.
Find the
bleed valve, which will be at the top of one end of the radiator
This problem was eventually solved by--and here my memory gets a little hazy--a
bleed valve on the second stage engine compressor.
It's an Air-Force hand pump that injects air on the upstroke and downstroke, has its own pressure gauge,
bleed valve and attaches to the Talon refill adapter/ tank combination just like the refill clamp housing.
The flight was among the first to leave after the UK ban on air traffic was lifted, and experts fear that ash may have clogged up the engine
bleed valve. (ANI)
If the top of the radiator is cool and the bottom warm, open the
bleed valve to release trapped air.
Double isolation is achieved by closing both isolation valves, with the
bleed valve being left open to ensure that the downstream pipeline remains isolated during maintenance work.