Nordson BM 200 - Replacing Sealing Ring

Repair
7‐2
P/N 397189E
E 2006 Nordson Corporation
BM200_EASY_GEAR
Replacing Sealing Ring
WARNING: Hot! Risk of burns. Wear heat‐protective gloves.
NOTE: Models for cardboard drums have only the lower sealing ring on the
heating punch (configuration code: box 12 = J).
1. Heat heating punch to operating temperature.
2. Aerate drum.
3. Set pneumatic switch to Raise until the heating punch exits the drum.
4. Set pneumatic switch to 0/Stop.
5. Place a clean, hard, heat‐resistant surface (e.g. metal plate) on the drum
under the melting plate.
6. Set pneumatic switch to Lower until the melting plate reaches the resting
surface.
7. Set pneumatic switch to 0/Stop.
8. Cut old sealing rings with a knife and dispose of properly.
CAUTION: Do not damage release coating.
9. Heat solid rubber or PTFE‐coated sealing rings in an oven.
10. Clean and lubricate grooves. Refer to Processing Materials in section
Technical Data for lubricant.
11. Put heated sealing rings into place on heated punch with two people.
180 ‐ 200 ° C
(356 ‐ 392 °F)
Fig. 7‐1