ABL77 Service Manual Chapter 6: Replacements
Valve Board, Continued
Valve Board
Diagrams
(continued)
Step Action
9.
Unscrew the two screws securing each valve to the valve board. Lift
the valves from the valve board and set aside to be re-installed on the
new valve board.
10.
Using the 5/16" nut driver, remove the hex nut from the sensor
cassette fitting luer while holding the cassette fitting luer by hand in
the front of the lower module.
NOTE: Hold the sensor luer fitting by hand. DO NOT use pliers or
similar tool to hold the fitting as this may damage the surface and
cause leakage. A sensor cassette may be used to hold the fitting in
place.
11.
Using a 1/16" Allen wrench or a Phillips head screwdriver as
appropriate, remove the two screws from the upper left and right
corners of the valve board.
12.
Using a 5/64" Allen wrench or a Phillips head screwdriver as
appropriate, while holding the alignment boss from the front of the
module, remove the support screw from the center of the valve board.
13.
Lift out the old valve board.
Continued on next page
Rev. F 6-13
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