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I lol'd
k so first, there's no such thing as gear alignment, everything is "timed" off of one gear, so it doesn't matter what rotation the other two are at.
Second, the air nozzle moves back and forth during normal operation. Sometimes it will stay in the back position because that's where the sector gear stopped.
However, if the nozzle is in the FORWARD position, and it requires quite a bit of force to move it back with your finger, and it doesn't snap back to the forward position freely, then you have a problem. Most likely the sector gear was shimmed too close to it, and it's being pinched between that gear and the mechbox shell.
Don't worry about springs, they only wear when they are in use. You can leave them compressed or stretched for 7 months and they won't lose more than 3% of their strength
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