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This guide will walk you through the process of replacing the Power entry Module in a Bear 1000 Ventilator. Found on page 88 in the full service manual.
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Remove the ribbon cable at the connection on the oxygen blender control board.
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Mark the plastic hoses attached to the oxygen blender (so you can put them back on the same way) and then remove.
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The air/oxygen blender has two screws close to the control board. Remove them and remove the unit.
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Remove the pneumatic and electrical connections labeled.
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Remove the water trap bowls on the rear of the unit.
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Remove the four screws and remove the manifold.
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Remove the two screws holding the power supply to the manifold.
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Mark or label the 6 faston connections as to position and remove
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Mark or label the two wires going to the power switch and remove at the power switch end
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Using an allen wrench, remove the power cord retaining bracket.
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Using an allen wrench, remove the mounting screwa and nuts from the Power Entry Module.
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After removing the heat shrink tubing, unsolder the two lower wires from the Power Entry Module, noting locations.
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Solder the wires to the replacement module, covering the joints with heat shrink tubing.
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Transfer the voltage selector drum from the original module to the replacement and reinstall.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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Cal Poly, Team S7-G12, Paton Fall 2020 crwdns2935289:0Cal Poly, Team S7-G12, Paton Fall 2020crwdne2935289:0
CPSU-PATON-F20S7G12
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