Operating manual VISATRON® Oil Mist Detector VN2020 / VN2020 EX
Part number 183001 Version 3.0
9.1.4 Function test of the oil mist detector using smoke tube (4,000 hours)
To ensure reliable operation of the VN2020 / VN2020 EX oil mist detector, a function
test with a smoke tube mist test must be carried out every six months or after 4,000
operating hours at the latest. To carry out the function test, you will need either the Tool
Box VN301plus (151781) or the Smoke Test Box VN (151780)
Engine is switched off
Before a function test, the operator must make sure that the oil mist detector
has been properly maintained first.
For the function test, the safety instructions for handling the oil mist detector
must be always observed.
Section 2.4 Basic safety instructions
If the oil mist detector is operated in explosion-proof areas, the additional
safety instructions must be observed.
Section 2.4.1 Safety instructions for potentially
explosive atmospheres
Assembling the smoke tube
See the Smoke Test Box manual for how to assemble the smoke tube with the
hand pump.
Smoke tube with hand pump (assembled) from Smoke Test Box (151780)
1: Hand pump
2: Smoke tube
5: Push-in fitting
3: Adapter
4: Flexible hose
The function test is carried out according to the following steps:
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