Labconco Protecto Ech Filtered Fume Hoods 183 Series 8' - Manuel (Page 82)

Chapter 6: Maintaining the Protector Echo
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Original instructions
(M3) Fan #3
Move your ladder to the right so you will be in front of fan #3. Disconnect the air
tube that is on fan #3 and place the air tube on the control module.
Fan #3 should now be free. Proceed to the next step.
(M4, M5) Fan #3
Move your ladder to the right so you will be in front of fan #3. Leave the wire to
the right that extends to fan #4 connected to fan #3. Unplug the other end from
fan #4.
Disconnect the air tube from the “T” that went to fan #2 and place the tube on top
of the control module. Now pull the air tube off fan #3.
Fan #3 should now be free.
(M4) Fan #4
Move your ladder to the right so you will be in front of fan #4. Disconnect the air
tube that is on fan #4 and place the air tube on the control module.
Fan #4 should now be free. Proceed to the next step
(M5) Fan #4
Move your ladder to the right so you will be in front of fan #4. Leave the wire to
the right that extends to fan #5 connected to fan #4. Unplug the other end from
fan #5.
Disconnect the air tube from the “T” that went to fan #3 and place the tube on top
of the control module. Now pull the air tube off fan #4.
Fan #4 should now be free.
(M5) Fan #5
Move your ladder to the right so you will be in front of fan #5. Disconnect the air
tube that is on fan #5 and place the air tube on the control module.
Fan #5 should now be free. Proceed to the next step.
Step 8 – Remove the fans
*** Be very careful not to chip the plastic sealing edge of the fan boxes.***
Ideally, store them so that the back edge down is on the floor with the circuit
board facing up. *** Place them out of the way.***