Replacing the dosage plug/O-ring on the dosage volume
- Unscrew the existing dosage plug 88 348-951.
Dosage plug position
- Remove and discard the O-ring, 51 015-9512, on the dosage plug.
- If the dosage plug is to be refitted, clean with a lint-free cloth.
- Lubricate the new O-ring with Krytox and fit the dosage plug.
- Screw the dosage plug back on.