Pump Plunger

  • Is used to force air into the fount/tank and to turn the air stem.
  • Consists of (left to right) a knurled knob attached to a hollow tube, a cap used to attach it to the fount or tank, a spring, a backing plate, a leather or neoprene pump cup and a nut or clip to hold the pump cup in place.
  • P/N for the pump is 242M5201, the pump cup (leather) is 216-5091.