Chapter 7: Re-Assembly
ABL77 Service Manual
Valve Board Assembly,
Continued
Connecting the
valve board
Follow these steps to re-connect the valve board and manifold assembly.
NOTE:
Do not alter the length of the tubing. It has been precut to the optimal
length. Alterations could affect the fluid draw performance causing errors.
Step Action
1.
Connect the opto-sensor cable to J6 of the valve board with the green
wire in the top position, as shown below.
2.
Connect the roller pump cable to J5 of the valve board with the red
wire in the top or right position, depending on the board configuration,
as shown below.
3.
Connect the waste pump cable to J4 of the valve board with the green
wire in the top position, as shown below.
Pre-Surface Mount Valve Board (902-790)
Surface Mount Valve Board (902-812)
Tubing pieces
Figure 7-11 identifies the different pieces of tubing for the check-valve fluidics.
Figure 7-11
Continued on next page
7-22
Rev.
F