Are they local?
LMSC One silly question is, is it safer to remove part AM 321 (two bolts holding the cam and its’ element together) to take a closer look? My concern is the cam + parts breaking under pressure (after removing 321) and hitting the ceiling! 😁
I’ve searched and searched can’t find it, on the parts diagrams. But if it what I “think” you mean…NO the spring is under tension.
LMSC Thx for the parts diagram Dave. I think we require at least one more parts diagram for the cam / swing elements.
Don’t have one
LMSC I think a safe practice is mounting on bench vice.
Why? Wait for instructions on how to replace, but it’s done by removing the top lever assmbly from the lower one (the 4 domed nuts), then unscrewing the piston, then unscrewing the spring retaining nut below to release the spring tension. Only then is it safe to work on removing the cam it bits at the very top of the group to replace the roller bearing.
LMSC That would be great! Thx Dave. Probably, one can get additional parts - SM 326, SM 231, SM 124, and a spare of SM 99, considering my luck!
Probably, but I will only be bringing back the agreed parts, my Wiz Air cabin bag is only tiny!
LMSC How do we isolate this actually is the problem please? IMO, it is probably not possible without replacing them.
I don’t know
LMSC I can confirm that the lever was never released even accidentally. I always hold with 2 hands to lock and release.
I’m only saying the various ways it can happen (for the information of others)….not that you released the lever. It’s probably just one of those things…so rare, no one is really sure, but sounds most likely cause
Loonster You could also disassemble it and see if it has any flats on the bearing surface and can rotate freely.
A part like will fail by being lubed. The lube is for diagnostic purposes only. If the friction gets too low, it will slide instead of roll. The sliding overtime will create a flat on the bearing and make it non functional.
Don’t disassemble it until you get the spare
Yes, it’s not a part that should need lubrication….although as it’s most likely gone bad…lubricating will help in the interim to prevent any concomitant wear.
