Manley Amp is humming - troubleshoot :(

Yikes! Other than a quick peak inside. You’ll probably see something..

UNPLUG first, remove the valves and flip it over..

Just be careful, don’t be touching things if you don’t know how to discharge the caps.. LOL Can get a little noisy.. discharging sometimes..

LOOK.. you’ll see something wrong I bet.. Maybe something loose.

A wooden dowel is easy to use and see if things are tight.. Be careful with pencils graphite is very conductive.. LOL fun to watch though..

Doesn’t cost to look..

Regards

Most common problems can be found by careful visual observation.  Look at all of the electrolytic caps to see if there is any bulging (most evident at the caps on the end of the capacitor) or leaking.  You can tell if they are bulging by comparing them visually with others.  Look to see if any resistors look like they have heat damage (looks dark or singed).  Sometimes a resistor will vaporize and simply not be there--you will see only the leads of the resistor left on the board or in the circuit.  

If you are lucky, and a bit handy, you can replace parts yourself.  As someone mentioned above, discharge capacitors before sticking anything conductive (particularly your fingers) into the amp.  Anything more and you are best off sending it to a technician.  The good thing about tube gear is that almost anything is repairable.

thanks for the help! I opened it up , didnt seeing any glaring issues , I'll check more closely...