Routine Inspection Of Signal Equipment; Routine Inspection And Electrical Testing Of Controller - Siemens ST950 Handbook

If for any reason the power is switched off to the controller, a total installation
megger test should be carried out as defined in the Installation and Commissioning
Handbook - Installation Testing (General) (667/HE/20664/000).
9.1

Routine Inspection of Signal Equipment

•
Check all signal heads/aspects for damage and take any necessary corrective
action.
•
Check all signal heads for correct alignment with their respective approaches.
•
Check all pole top cable connections; ensure that they are sound, secure and
not seriously corroded.
•
Check that all top caps are fitted and are not damaged.
•
Check that all poles are secure in the ground and are not leaning or damaged.
9.2

Routine Inspection and Electrical Testing of Controller

It is suggested that these procedures be performed in the order listed.
Examine the outercase for serious damage. The outercase would normally only be
replaced if it has been damaged to the extent that its security has been breached or
that water or dirt is entering.
Open the main door and the Manual Panel door, check that the screw-locks, lock
and hinges operate freely. Inspect the door and lock, and check the lock and catch-
plate for security. Replace or tighten as necessary. Lubricate as necessary with
good quality penetrating type oil.
Inspect the main door seal and Manual Panel gasket, ensuring they are intact and
in the correct position. Replace as necessary ensuring that the surface is clean
before fitting.
Check the termination panel(s) and master switch panel within the controller and
ensure that there are no loose fixings, or damage to these panels. Tighten any
loose fixings and carry out any repairs that are necessary.
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All power to the controller must be disconnected before any attempt is
made to remove the internal components of the controller.
Any change of lamp monitoring data will trigger an automatic relearn.
After such a change all relevant safety checks (all lamps working and
so correctly learnt, etc.) needs to be performed.
The key lock must not be operated unless the screw locks are tight, i.e.
Unlock the case before undoing the screw lock and only lock the case
after tightening the screw locks.
Unrestricted
5
Neil Atkinson
ST950 ICM Handbook
Intelligent Traffic Systems
Sopers Lane, Poole, Dorset, BH17 7ER
Page 84 of 125
Status Issued
Date 18-Dec-2018
Document No. 667/HE/46950/000