Sprayer does not operate.

  • Remove valve by disconnecting swivel unions.
  • Connect hose directly to air motor.
  • Operate motor directly with air regulator.
  • Clear air line; increase air supply.
  • Check that valves are open.
  • Clean the hose or applicator.
  • Clean rod. Always stop pump at bottom of stroke; keep wet cup filled with TSL. 
  • Be sure the inlet ball moves freely.
  • Clean or repair air motor.
  • See motor manual.