Schindler 3100/3300/6300 J 43402603 / 01 190/269
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STM Monitoring
Device
In case that the maintenance is performed by a company other than Schindler, this
maintenance company has two possibilities to handle the STM monitoring:
– either procure the STM-MD from Schindler and perform STM monitoring according
to relevant instructions or
– replace all STM at the specified intervals: 3 000 000 trips or 15 years (if 3 000 000
trips has not been reached).
If the monitoring frequency is not respected or if the monitoring is not done at all, then
the STM must be replaced upon reaching the indicated number of trips.
Check of Slack STM
Detection
Check of Slack STM Detection [18592; 27.11.2008]
No Step
1 This step applies to Schindler 3100/3300/6300 only.
Check:
– That the mounting bracket (1) is in the fully upright position.
– That the gaps between the swing lever (3) and the bushes (4) are equal.
– That the slack STM switch is actuated when the movement of the swing
lever (3) reaches the line of deflection (2) as shown below.
Adjust where necessary.
When the slack STM switch is actuated, the safety circuit must open and the
car must not move by Inspection Control (REC) commands.
1 Mounting bracket
2 Line of deflection
3 Swing lever (of actuator assembly)
4Bush
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