Henny Penny SCR-8 Service Manual page 49

Henny Penny
7-17. TRANSFORMER
(continued)
Replacement :
698
The following checks are performed with the wall
circuit breaker closed and the main power switch in the
ON position. Extreme caution should be taken. Make
connections before applying power, take reading, and
remove power before removing meter leads, or
electrical shock could result.
3. With power reapplied, take voltage reading at terminals
of transformer where wires 11 and 12 plug in. The
meter should show 208 or 240 volts.
4. If the incoming voltage proves correct (above step),
take a voltage reading on transformer terminals where
wires 9 and 10 plug in. The meter should show 12 volts
+ 1.
5. If transformer proves bad, remove electrical power to
unit.
6. Unplug wires from transformer.
7. Unscrew the Phillips head screws securing the
transformer and remove transformer from unit.
SCR-6/8
7-13