The model AF-3A is a heavy duty spot welder, with a simple rugged lower arm support. These rugged high speed machines are designed to make high quality welds on a continuous production basis. The AF-3A is fitted with 3" solid copper arms, drilled 90° at one end, 2 standard type water cooled electrode holders 1 1?" diameter with a number 2 Morse taper, 10" vertical adjustment of lower knee, heavy duty water cooled welding transformer, 8 point heat selector switch, 3 circuit water manifolds for input and output water cooling, 5" x 4" stroke double acting air cylinder, 4 way solenoid operated air valve, air line filter, pressure regulator, and a hydraulic jack for the lower knee.
Cylinder speed control exhaust mufflers.
Filter, Regulator and Lubricator.
Shut off valve for tip dressing.
Single Stage Foot Switch.
Point opening easily adjusted.
Roller bearing pivot on rocker arm.
Universal copper arms drilled 90° and 30°.
Water cooled transformer for trouble free continuous production.
Water cooled electrode holders.
8 position tap switch for precise transformer output.
8 welding heats.