folks i have a grc9 with a dy105 power supply i will be installing in my m38a1 the set is in nice shape and has been in storage for over 20 years. any recommendations on firing it up - what i should do or not do? bias battery, dynamotor lubing, vibrator testing etc i am using a motorola variable 12/24 v power supply thanks. jeff kg2bz Sent from my iPhone