Chapter 6: Replacements
ABL77 Service Manual
Valve Board,
Continued
Valve board
diagram
The following diagram shows the wiring connections of the current design valve
board.
41449 / B
41477
SERVICE BOARD ABL70-77
ASSY REV :
K1
J5
R2
R18
REVISION
J
1
0
P
N
90
2-
81
1
J1
J9
SENSOR BOSS
SENSOR
LUER
J6
J4
J8
J7
J3
12
1
13
24
J2
2587
J6
J5
J4
J9
J8
J7
L2
L1
L3
J10
L3
COM N.C.
N.O.
L1
COM N.C.
N.O.
L2
COM N.C.
N.O.
J5
↑
J4
J6
J7
J8
J9
J10
Figure 6-8
Items and
descriptions
The following table describes the cable connections in figure 6-8.
Item Function
J4
Waste pump cable connection
J5
Roller pump cable connection
J6
Opto-sensor cable connection
J7
Former valve L3 connection
J8
Valve L1 connection
J9
Valve L2 connection
J10
New valve L3 connection
Continued on next page
6-16
Rev.
F