OM-DEE/4
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The pressure gauge should show a vacuum
of 20 to 30 inches when the kettle is cold.
Test the safety valve at least twice
monthly.
Maintenance
NOTICE: Contact Groen or an authorized Groen 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:
[BY OPERATOR]
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” on page 13.
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 13.
c. Test the safety
valve at least twice each month. Test the valve
with the kettle operating at 15 psi (105 kPa), by
holding the test lever for at least 5 seconds.
Then release the lever and let the valve snap
shut. If the lever 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.
WARNING
WHEN TESTING, AVOID ANY EXPOSURE
TO THE STEAM BLOWING OUT OF THE
SAFETY VALVE. DIRECT CONTACT
COULD RESULT IN SEVERE BURNS.
[BY SERVICE TECHNICIAN]
d. Electrical wiring should be kept securely
connected and in good condition.
e. The inside of the support housing
should be kept clean.
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