Unified Brands Groen EE CE Series, Руководство оператора и сервисное руководство

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14 OM/SM-EE-CE
Maintenance
NOTICE: Contact Groen or an authorized representative when repairs are required.
1.
Periodic Maintenance
A Maintenance & Service Log is provided at the back of this manual with the
warranty information. Each time maintenance is performed on your Groen kettle,
enter the date on which the work was done, what was done, and who did it. Keep
this manual on file and available for operators to use.
Periodic inspection will minimize equipment down time and increase the efficiency of
operation. The following points should be checked:
a. Check the pressure/vacuum gauge every day. The gauge should show a vacuum
of 20 to 30 inches, when the kettle is cold. If it does not, see “Jacket Vacuum”
below.
b. Also check the jacket water level every day. It should be between the marks on
the gauge glass. If the level is low, see “Jacket Filling and Water Treatment” on
page 15.
c. Test the safety valve at least twice each month. Test the valve with the kettle
operating at 105 kPa (15 psi), by pulling up the test valve chain for at least 5
seconds. Then release lever and let the valve snap shut. If the valve does not
activate, or there is no evidence of discharge, or the valve leaks, stop using the
kettle and contact a qualified Groen service representative.
2.
Jacket Vacuum
Test the safety valve at least twice monthly. When the kettle is cold, a positive
pressure/ vacuum gauge reading or a reading near zero indicates that there is air
in the jacket. Air in the jacket slows kettle heating. To remove air:
a. Start the unit. (Be sure there is water or product in the kettle when heating).
b. Make sure that the elbow of the safety valve outlet is turned so that escaping
steam is directed toward the floor.
c. When the pressure/vacuum gauge reaches a positive pressure reading of 34 kPa
(5 psi), release the trapped air and steam by pulling up or out on the safety valve
lever or ring for about 1 second. Repeat this step, then let the pull ring or valve
lever snap back into the closed position.
WARNING
WHEN TESTING, AVOID ANY EXPOSURE
TO THE STEAM BLOWING OUT OF THE
SAFETY VALVE. DIRECT CONTACT
COULD RESULT IN SEVERE BURNS.
Be sure that the pressure/vacuum gauge
shows at least 20 inches of vacuum.