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10.4.2 Replace needle packing
Objectives
Procedure to be carried out within the framework of maintenance.
Ensure tightness between the needle and the body of the gun.
Intervening staff
Qualified personnel.
Step 1
- Check that there is no more product in the cup and in the gun.
- Rinse the gun and the cup.
- Dry the gun and the cup.
Step 2
Loose the nut.
Unscrew and remove the needle stop. Remove the needle spring and
the needle.
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