Check the chassis mounted fuse holder and replace fuses with the correct
rating and type. Never run a fuse with a higher rating than what is specified.
Check the condition of the power cord and replace if worn, cracked, or
Flush all the controls, contacts and switches with contact
cleaner (Cramolin R-5) followed by a spray of DeOxIt. This procedure will clean
the accumulation of dirt out of the component, and also leave a protective
deoxidizing coating on the contacts in the component. Also do this to the tube
sockets. Re-tension the tube sockets with a dental pick.
Wipe up any excess spray that ends up on the chassis with a an
old soft cotton T-shirt.
Removing heavy oxidation or pitting from the chassis is
probably not a good idea at this stage. If you find it necessary to clean the
chassis or faceplate !USE CAUT!ON!
not to rub off tube legends, faceplate or tuning dial lettering/numbering.
Avoid scratching and rubbing by using compressed air and/or a soft brush. Remember. While cleaning
makes the amp or receiver look nice, it is not necessary for the amp or receiver
to actually function.