Periodically By The Operator; Checklist - Periodically By The Operator - Leuze electronic MLC 520 EX Series Original Operating Instructions

 Observe the nationally applicable regulations and the time periods specified therein.
 As preparation, observe the checklist (see chapter 9.1 "Before the initial start-up and following modifi-
cations").
9.3

Periodically by the operator

The function of the safety sensor must be checked periodically depending on the given risk (e.g.: daily or
on change of shifts) according to the following checklist so that damages or prohibited tampering can be
detected.
Due to complex machines and processes, it may be necessary under certain circumstances to check some
points at longer time intervals. Therefore, observe the classification in Test at least and Test when
possible .
For larger distances between transmitter and receiver and when using deflecting mirrors, a sec-
ond person may be necessary.
WARNING
Unpredictable machine behavior during the test may result in serious injury!
 Make certain that there are no people in the danger zone.
 Before they begin work, train the operators on their respective tasks and provide suitable test objects
and an appropriate test instruction.
9.3.1 Checklist – periodically by the operator
NOTICE
 If you answer one of the items on the checklist (see table 9.1) with
operated.
Leuze electronic MLC 520 EX
no
, the machine must no longer be
Test
42