Weinmann ACCUVAC Basic Service And Repair Instructions page 19

4. Unscrew circuit board (3 screws
5. Insert the new circuit board in reverse order.
Important!
The lengths of tubes WM 10766 and WM 10765 are not compatible with all circuit boards. The over-
view below shows you the cases in which you will have to adapt the length of the tubes:
Old circuit board
WM 10780 Index ≤ C
WM 10780 Index ≤ C
WM 10780 Index > C
Carefully connect electronic power pack con-
nector . Then route connecting cable so
X101
it does not come into contact with the pump.
Important:
• Do not connect electrical power pack
connector yet.
X100
• Wait half a minute to allow the capacitors on the
circuit board to discharge.
6. Carefully connect the electrical power pack
connector .
X100
7. Close the device (see "8.3 Closing the de-
vice" on page 13).
8. Perform a functional check (see "6.2 Perform-
ing the functional check" on page 8).
).
52
New circuit board
WM 10780 Index ≤ C
WM 10780 Index > C
WM 10780 Index > C
Action
No modification required
Use tubes with new lengths:
– WM 10766 Index > a (42 mm instead of 50 mm)
– WM 10765 Index > a (208 mm instead of
200 mm)
No modification required
Repairs: Information and Instructions
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