Labconco Protecto Ech Filtered Fume Hoods 183 Series 8' - Manuel (Page 81)

Chapter 6: Maintaining the Protector Echo
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Original instructions
CAUTION: Do not contact fan wheel while still in motion.
PRUDENCE: Ne pas contacter roue du ventilateur tout en en
mouvement.
Now follow through the procedure with your specific model (M2, M3, M4, or
M5). Once you have all of your fans disconnected continue to the next step.
(M2, M3, M4, M5) Fan #1
On fan #1, on the left side of the fan box, unplug the power supply that comes
from the control module.
Leave the other wire to the right that extends to fan #2 connected to fan #1.
Unplug the other end from fan #2.
Look for the clear air tube that is coming up from the control module and remove
it from the “T” connector. Pull the other side of the “T” off fan #1.
Fan #1 should now be free.
(M2) Fan #2
Move your ladder to the right so you will be in front of fan #2. Disconnect the air
tube that is on fan #2 and place the air tube on the control module.
Fan #2 should now be free. Proceed to the next step.
(M3, M4, M5) Fan #2
Move your ladder to the right so you will be in front of fan #2. Leave the wire to
the right that extends to fan #3 connected to fan #2. Unplug the other end from
fan #3.
Disconnect the air tube from the “T” that went to fan #1 and place the tubing on
top of the control module. Now pull the air tube off fan #2.
Fan #2 should now be free.
!