c)
Loosen set screw on stop collar and screw
adjusting shaft out to remove insulator.
d)
Insert new insulator and screw the shaft in part
way. (Recalibration is necessary—refer to recali-
bration instructions on page 10.)
e)
Replace bottom cover.
f)
Turn hot plate upright and reconnect to power
supply.
To Replace Heater Coil
a)
Disconnect hot plate from power supply.
b)
Turn hot plate upside down and remove bottom
cover.
c)
Remove two nuts that hold heater coil to termi-
nals and slide heater coil off.
d)
Install new heater coil and secure with two nuts.
e)
Replace bottom cover.
f)
Turn hot plate upright and reconnect to power
supply.
To Replace Cycle Light
a)
Disconnect hot plate from power supply.
b)
Turn hot plate upside down and remove bottom
cover. (Note placement and connection of wires
to cycle light.)
c)
Disconnect two leads from cycle light.
d)
Push in two clips on pilot light and remove by
pulling the cycle light out from the front.
e)
Insert new cycle light through the front.
12
M
AINTENANCE AND
S
ERVICING
Note
Distance between coil and control
should be approximately 1/8” with con-
trol at maximum setting.
Summary of Contents for HPA2230M
Page 17: ...17 Exploded View ...
Page 18: ...18 Wiring Diagram ...
