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
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.