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6.4.3
Replacing circuit boards
G 5
G 6
G 19
Fig. 67: Replacing the circuit board HMR 0403 (1)
◗
Remove the three head socket screws shown above (DIN 912 M3x6 / allen key size 2.5 mm), including
washers (DIN 125 A 3.2).
Warning: The circuit board cannot be removed completely, because the connections between pump
head and circuit boards must be disconnected first!
◗
Disconnect the connector G 19 from the circuit board Motor power amplifier MRP85 G 6.
SM-5811-0000.01 ENG
S5 System • Replacing components
6.35
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