When required
When scratched
Tools required
Wrench 1/4 inch
4-mm hexagonal key
Parts required
Plunger 5063-6586

  1. Disassemble the Pump head assembly.
  2. Check the plunger surface and remove any deposits or layers. Cleaning can be done with alcohol or tooth paste. Replace plunger if scratched.
  3. Reassemble the Pump head assembly.