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SECTION 6: PREVENTATIVE MAINTENANCE AND
TROUBLESHOOTING
A. MAINTENANCE
Maintenance on the steamer must be performed on a regular basis to keep the unit running properly. By
following the maintenance instructions in this Section and in the separate Installation Manual, problems
with the steamer will be kept to a minimum. As with any preventative maintenance schedule, the
frequency of steamer maintenance may need to be increased, depending on equipment usage and
water quality. If problems do occur, refer to the Troubleshooting Guide in this Section. For more
information on product and services, contact your sales representative.
(1) Maintenance Records
Make a file solely for maintenance records. Keep a written record of daily, weekly, monthly, and yearly
maintenance. These records will protect warranty coverage, help personnel to know when to perform
various maintenance procedures, and assist service personnel.
(2) Daily Maintenance
a. Blowdown Steam Generator
Blowdown each steam generator at least every four hours according to the steam generator
blowdown instructions in Section 5.
b. Clean the Steamer
Clean interior and exterior of the steamer according to the shutdown instructions in Section 5.
(3) Weekly Maintenance
Clean Drain
This steamer is equipped with a drain screen in the back of each cooking compartment. Never operate
the steamer without the screens in place. The screen prevents large food particles from entering and
blocking the drain line. Any blockage of the drain line can cause a pressure buildup in the compartment,
resulting in steam leaks around the door gasket. Drain line blockage also adversely affects convection
action of the steam in the compartment, which is necessary for optimum performance.
a. Inspect the drain screen and drain line for blockage. Rotate the drain screen 90 degrees to
inspect the drain opening. Clean the opening and restore the screen to its operating position.
b. Clean drain with an USDA approved drain cleaner, once a week. Follow the instructions of the
manufacturer of the cleaner.
c. Flush drain with clean water.
CAUTION
Steam leaks, pressure buildup in the cooking compartment
and poor steaming performance can be caused by a blocked
drain line or screen. Blocked or slow drains are dangerous
because hot water can collect in the compartment and spill out
when opening the compartment door.