Schaller Automation Visatron VN2020 User Manual

148
Operating manual  VISATRON® Oil Mist Detector  VN2020 / VN2020 EX
Part number 183001  Version 3.0
MAINTENANCE AND REPAIR
9.3.5 Replacing the inspection cover screw plug
The screw plug has to be replaced if there is clearly visible wear on the fitted O-ring []:
Inspection cover screw plug, VN2020
1: Screw plug
2: O-ring
The screw plug is a spare part and can be ordered separately from Schaller Automation
as follows:
VN2020 measuring head: Part number 290044 / VN2020 EX: Part number 290045
 “Inspection cover” screw plug: 366604
NOTE
Maintenance work on the oil mist detector
 Comply with the safety instructions for this in Section 6.5.3  Section 6.5.3. Setting
the negative pressure at the measuring head of the VN2020 / VN2020 EX
To replace the screw plug, carry out the following installation steps:
1: Inspection cover
3: Allen key, size 6
2: Screw plug (old)
(Torque spanner for up to 5 Nm)
1

Schaller Automation Visatron VN2020 Specifications

General

Brand	Schaller Automation
Model	Visatron VN2020
Category	Security Sensors
Language	English