Instruction Manual ScrubberGuard
Repair work
116
14830E/2
11
Repair work
11.1
Replacing the microfuses
The following describes the replacement of the microfuses on the AQ2Basi PCB:
WORKSTEP
ADDITIONAL INFO / IMAGES
1.
Interrupt the service voltage to the photo-
meter.
2.
Loosen the five screws (circles) with a 7 mm
key and remove the cover.
7 mm hex key
3.
Remove the old microfuses (circle) from the
motherboard (AQBasi PCB) and replace with
a new one (type T2A).
4.
Carefully mount the cover and fasten with
the five screws.
Damage to the threaded inserts in
the housing due to excessive tighten-
ing of the screws on the cover:
Use a hex key to tighten the screws of the
cover finger-tight (tightening torque 1Nm).
7 mm hex key
5.
Put the instrument into operation again.