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Troubleshooting - Crown DL-20F Installation & Operation Manual

Full jacket direct steam stationary kettles

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Full Jacket Direct Steam Stationary Kettles

Troubleshooting

Draw-Off Valve Leaks
If a leak occurs through the valve stem, replace the "O" ring.
If the leak can be attributed to faulty sealing occurring between the stem disc and valve seat, then this problem may be
corrected by cleaning off the dried-on food residue with extremely fine emery cloth. If the vulcanized rubber stem piece
has been damaged, it must be replaced.
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.
Extremely Slow Cooking Time
If the cooking time is abnormally slow, it may be due to insufficient steam pressure and/or volume.
First determine that pressure on incoming steam line at kettle is within 5 p.s.i. of rated kettle pressure.
Pressures approaching the rated kettle pressure are liable to set off the safety relief valve.
If required pressure is available to kettle, then possibly volume of steam is not sufficient.
Minimum 3/4" pipe size is required to the kettle but if the steam generating source is at a great distance from the kettle,
larger supply pipe will be required.
Finally, the core of the steam supply pipe may have debris or scalants that impede steam flow and will require
disassembly and inspection.
INSTALLATION & OPERATION MANUAL 10218 REV 3 (10/22)
NOTICE
NOTICE
Troubleshooting
11
PAGE
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