Question about Hardware & Accessories
T104 is 208-277Volt timer.
Wiring is correct if timer worked fine before.
Click manual override and see if lights turn on-off.
If manual override clicks clean and crisp, and lights turn on-off, then timer mechanism is working.
If manual override is sluggish and hard to push, and timer mechanism is rusty or dirty, then timer needs to be replaced.
Buy another T-104, swap out insides without changing box. Put wires back as before.
If the dial stops moving, then replace clock motor.
T104 uses the t-100 series 208-277 clock motor that Grainger sells for around $20
If the dial operates fine, the trippers may be worn out.
Grainger also sells T104 tripper
Posted on Nov 13, 2010
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Posted on Jan 02, 2017
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