Page 8 - September 2020 Newsletter
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                                           Tech Corner-continued


       When  the  operating  switch  is  open,  the  voltmeter should register battery voltage,  but when the operating switch
       is closed the voltmeter reading should be noted.



















                                         Figure 3 Voltage Drop on the Insulated Line



       TE ST 5. Checking the Voltage Drop across the solenoid Contacts
       The  solenoid  contacts  can  be  checked  for  voltage drop  by  c o n n e c t i n g   a  voltmeter  across  the  two  main
       terminals  as  shown  in  Fig.  4.  When  the  operating switch  is  open,  the  voltmeter  should  register  battery
       voltage.  When the  operating switch is closed,  the  volt- meter reading should be noted.













                                        Figure 4 Voltage Drop across the Solenoid
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