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Carrying out maintenance
NOTE
12
Replacing the motor block in a Testomat
To replace the gear motor you need a gear motor for dosing pump of
®
Testomat
808 (Art. no. 100494).
Disassemble the gear motor
For disassembling, please proceed as follows:
Switch off the device and disconnect it from the power supply.
Close the water supply from the supply line to the Testomat
Open the cover.
Open the door of the terminal box.
Pull off the plug connections
®
tomat
808 (from socket J4 pump on motherboard).
Now remove the pump head. Begin with pulling off the tubes from
the dosing needle and the indicator bottle.
Loosen the 2 fastening screws of the pump head.
Pull off the pump head from the motor shaft.
Loosen and remove the 2 screws of the motor block.
Remove the gear motor.
Assemble the new gear motor
Assemble the new gear motor in reverse order.
Insert the motor block and tighten the 2 fastening screws
Mount the pump head onto the shaft. Observe the anti-twist guard.
Anti-twist guard
Please observe the anti-twist guard on the motor shaft and the pump
head during installation! The drill hole and the shaft each have a flat
surface and only fit together in one position. Carefully turn the pump
head into the correct position until the snap-in noses snap into the
provided drill holes in the housing.
for the power supply of the Tes-
®
808
®
808.
.
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