INSTALLATION, OPERATION and MAINTENANCE MANUAL | 9
d. Never remove “Warning” tags displayed on the heat exchanger. Torn or worn
labels should be replaced.
e. Do not start the heat exchanger until all personnel in the area have been
advised and have moved outside the operating zone.
f. Remove any tools or other foreign objects from the operating zone before
starting.
g. Keep the operating zone free of obstacles that could cause a person to trip or
fall.
h. Never sit or stand on anything that might cause you to fall against the heat
exchanger.
i. “Horseplay” around a heat exchanger at any time is dangerous and prohibited.
j. Never operate the GPHE above specified capacity, pressures, or temperatures.
k. Do not operate faulty or damaged equipment. Ensure correct service and
maintenance procedures have been performed.
l. A safe work surface should be provided around the heat exchanger, including
correct guarding of elevated platforms and the design and use of ladders.
3.6. Service and Maintenance Safety
a. Do not service a heat exchanger until you are thoroughly qualified and familiar
with the tasks to be performed.
b. Follow your organization’s safety policies and lock out tag out procedures.
Never operate any valves, pumps, or controls while personnel are performing
maintenance on the heat exchanger.
c. Do not bypass safety devices.
d. Always use the correct tool for the job.
e. Do not enter a confined space. Follow your organization’s safety policies and
procedures regarding confined space entries.
3.7. Safe Cleaning Procedures
Manual Cleaning Procedures
a. Do not use toxic or flammable solvents to clean a heat exchanger.
b. Always clean spills around the heat exchanger as soon as possible.
c. Never clean a heat exchanger while it is operating.
d. The customer is responsible to ensure that the cleaning chemicals are
compatible with the plate and gasket materials.
Cleaning In-Place Procedures
a. Ensure all connections in the cleaning circuit are tight to avoid contact with hot
water or cleaning solutions.
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