BKI COq Convection Oven - Manual (Page 31)

Convection Oven Component Replacement
29
High Limit Thermostat
1. Disconnect the oven power supply by turning OFF the circuit breaker in the power supply service panel.
2. Remove the Back Panel and Fan Cover from the oven.
3. Remove the Clamp securing the excess capillary of the failed Thermostat on the back of the oven. Then
remove the Nut from the Thermostat stem with a 12 mm wrench.
4. Loosen the Nut on the capillary retaining Screw from the outside of the oven. Place a piece of tape over the
head of the capillary retaining Screw on the inside of the oven then remove the Nut from the outside.
Remove the tape and capillary retaining Screw from inside of the oven.
5. Remove the (2) Screws securing the
thermostat capillary bulb Mounts.
6. Carefully slide the capillary bulb out
of the holes in the Mounts. Feed the
Thermostat capillary and bulb
through the large portion of the
capillary keyhole in the back of the
oven.
7. Mount the replacement Thermostat
on the back of the oven with the nut
provided. Orient replacement
Thermostat in the same orientation
as the original. Secure nut on
Thermostat stem with 12 mm
wrench.
8. Insert the bulb and capillary of the
replacement Thermostat into the
oven from the back through the large
portion of the capillary keyhole in the
oven back.
9. Insert the Thermostat bulb and
capillary into the Mounts on the
Heating Element. Be careful not to
kink or pinch the capillary tube.
10. Secure the thermostat bulb Mounts
to their standoffs with the two phillips
Screws.
11. Carefully slide the excess
Thermostat capillary through the
keyhole in the oven back. Move the
capillary into the smaller portion of
the keyhole and insert the retaining
Screw into the larger portion.
12. Place a piece of tape over the head of the capillary retaining Screw inside of the oven. Thread the Nut onto
the capillary retaining Screw from the back of the oven. Remove the tape from the head of the capillary
retaining screw and tighten the Screw.
13. Carefully coil the excess capillary on the back of the oven and secure it with the Clamp and Screw. Do not
bend the capillary in a radius smaller than ½” [12 mm].
14. Reattach the back panel and fan cover to the oven and turn the power supply to the oven ON.