Schaller Automation Visatron VN2020 - Page 143

Operating manual  VISATRON® Oil Mist Detector  VN2020 / VN2020 EX
Part number 183001  Version 3.0
143
MAINTENANCE AND REPAIR
1: (New) VN2020 measuring head
3: Neck collar bolts
2: (New) measuring head seal, VN2020
 Place the new seal (supplied) on the back of the new measuring head. Secure
the seal by inserting two of the eight pre-assembled screws through the four
outer holes.
1: VN2020 measuring head
3: Allen key, size 4
2: 8x neck collar bolts
5
6