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Product Service 1-800-522-765
Chapter 6: Maintaining Your Protector Fume Hood
Monthly (or more often as required)
• Determine the actual face velocity through the sash opening
of the hood where the average reading should be at the
specified velocity. (Use calibrated thermal anemometer or
other approved apparatus).
• Using a damp cloth, clean the exterior surfaces of the hood,
particularly the front of the hood, to remove any
accumulated dust.
• Check all service valves, if so equipped, for proper
operation.
• The hood baffles should be checked for blockages behind
them to ensure that the hood is maintaining proper airflow.
• All weekly activities.
Annually
• Replace the fluorescent lamps.
• Have the fume hood recertified by a qualified certification
technician. See Certifying the Protector XStream Fume
Hood in Chapter 3.
• All monthly activities.
Biannually
• The sash assembly should be checked to ensure proper
operation and to make sure there are no signs of abnormal
wear on the sash pulleys, cables and clamps.
Routine Service Operations
Front Panel Removal:
1. Simply lift the front panel up and then away from the hood to
provide access to the top.
Changing the Fluorescent Lamp:
1. Turn light switch to “OFF”.
2. Remove the front panel as noted earlier.
3. Reach over the front header of the hood and loosen screws to
the light reflector and remove light reflector.
4. Remove the fluorescent lamp by pushing it out of the spring-
loaded lamp socket and swinging it out of the other lamp
socket.
5. Install the new lamp by reversing the removal procedure.
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