Disassembly and Replacement Procedures
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6-3-20. Replacing the Oxygen Controller Assembly
(1) Remove the rear panel of the main body.
See (1) ~ (3) in “6-1-1. Removing the Main Body
from the HL Stand.”
(2) Remove the connectors from the control board (for
the Dual Incu i).
Remove the connectors (JA4 and JA9) from the con-
trol board (for the Dual Incu i).
For details, see “[8] Wiring Diagram.”
JA9
JA4
Pipe of the oxygen
supply valve
Double sems screw (M4x10)
(3) Remove the pipe of the oxygen supply valve.
(4) Remove the screws fixing the oxygen controller as-
sembly.
Remove the two double sems screws (M4 x 10) with
a Phillips screwdriver.
(5) Reassembly: Reassemble in the reverse order of dis-
assembly.
6-3-21. Replacing the Mass Flow Valve
(1) Remove the oxygen controller assembly.
See (1) ~ (4) in “6-3-20. Replacing the Oxygen Con-
troller Assembly.”
(2) Remove the cover.
Remove the two double sems screws (M3 x 8) with
a Phillips screwdriver.
Double sems screw (M3x8)
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