Crown EL-25 Installation & Operation Manual page 19

SELF GENERATING STEAM JACKETED KETTLES, MODELS EL AND EP
NOTICE: Draw-off valve has a vulcanized rubber coated stem for better
sealing. Do not over tighten. This may cause the rubber to pull away from
stem and permanently damage it. This is not covered under warranty.
9.5 VENTING INSTRUCTIONS
Check vacuum/pressure gauge when the kettle is cold. Gauge should be in the green vacuum
zone. If not, air must be vented (removed) for proper heating. Use the following procedures to
vent air.
1. With the kettle empty, place power switch in ON position.
2. Set temperature control thermostat to '10'. Heat kettle until indicator light goes off.
3. Using a 7/16" wrench, open bleed vent one full turn for 10 seconds and then close.
WARNING: SCALD HAZARD. Live steam will escape the bleed nut
when opened. Stay clear of live steam when performing this
operation.
4. Cool kettle. Check for proper vacuum in green vacuum zone. If reading is not low
enough, repeat entire procedure, steps 1 - 4.
NOTICE: Contact the factory, the factory representative or local service
company to perform maintenance and repairs.
Part No. 10068R6
INSTALLATION AND OPERATION MANUAL,
19 2018-06-21