Transcription of Signalling Revision Questions: Points - …
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Signalling Revision Questions: Points - …
Signalling Revision Questions: Points (with answers). 1. The HW4000 is the next generation of the HW range, what is the main change from the other HW's? THIS MODEL IS POWERED AT 110V AC. 2. Which part of a HW machine is the throw-bar'? MAIN BAR WHICH GOES THROUGH CENTRE OF MACHINE, THIS UNLOCKS AND LOCKS. THE LOCKING SLIDE. 3. Which part of the HW machine is the lock-dog'? THE SQUARE STEEL BLOCK ATTACHED TO THE LOCKING SLIDE THAT ACTUALLY GOES. THROUGH THE LOCK BLADES AND LOCKS THE Points . 4. Would loss of detection in a HW cause the motor to drive (like clamplocks)? YES, NOT ALL THE TIME, THIS WOULD ONLY HAPPEN ON MTCE, WHEN BOTH THE. MOTOR CONTACTS MAKE AT THE SAME TIME & PROVIDE A PATH, HOWEVER. THE MOTOR MUST NEVER TRY & DRIVE THE OPPOSITE WAY.
Signalling Revision Questions: Points (with answers) 1. The HW4000 is the next generation of the HW range, what is the main change from the other HW’s? THIS MODEL IS POWERED AT 110V AC
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