Storch 009ST Traduction Des Instructions D'origine page 70

NOTE:
The needle is adjusted correctly if the trigger is freely movable.
6. Attach the hose. Install tip guard. Vent sprayer.
7. Aim the gun into the pail and trigger until the spray fluid flows out of the gun.
8. Release the trigger lock. The fluid flow should stop immediately.
9. Lock gun safety latch. Try to trigger the gun. No fluid should escape now.
10. If the gun does not pass the test, repeat steps 1 - 9.
Original instruction 70