Service Manual for Proofer Oven with Touch Screen Controls (TSC)
34
CLEANING THE OPTIMIST NOZZLE
Note: It is not necessary to disconnect the unit from
its power source for this procedure.
Also see Duke Publication 512419 for this procedure.
1. Turn power to the Proofer off by using the Touch
Screen Display. It is not necessary to turn off water
supply to the unit.
2. Remove necessary racks and the Proofer Floor Panel
to gain access to the Optimist Nozzle assembly.
3. Use quick disconnect lever to remove the coupling
and nozzle assembly by pushing the lever down and
sliding assembly straight out.
Quick Disconnect
Coupling Insert
Optimist Housing
Optimist
Nozzle
Figure 44: Optimist Nozzle Quick Disconnect
4. Use 3/4" and 5/8" wrenches to remove the nozzle
from its body, remove, clean and re-install the filter.
Optimist
Housing
Optimist
Nozzle
Optimist
Filter Screen
Figure 45: Optimist Nozzle Disassembled
5. Soak nozzle in vinegar for 4-8 hours. Wipe residue
from nozzle and rinse in clean water. Do not insert
objects into nozzle outlet as this can change the
water spray performance. Replace nozzle assembly
if mineral deposits from hard water cannot be
removed.
6. Reinstall nozzle by inserting into quick-connect
fitting until fully seated.
7. Using the Touch Screen Display, turn the Proofer
on, allow the water system to purge and check for
proper Optimist Nozzle spray.
8. Using the Touch Screen Display, turn the Proofer
off and wait for the fan to stop turning. Reattach
the Proofer Floor Panel and slide in all of the racks
removed earlier.
