Tektronix CSA7404B - Page 227

Maintenance
CSA7404B, TDS7704B, TDS7404B, TDS7254B & TDS7154B Service Manual
6-7
8. Dry all components and assemblies in an oven or drying compartment using
low-temperature (125 _F to 150 _F) circulating air.
Lubrication. There is no periodic lubrication required for this instrument.