
1100 Series DAD and MWD Reference Manual 133
Repairing the Detector 4
2
Carefully slide the lens assembly to the right into the
deuterium lamp area by pushing it from the tungsten lamp
side with the hex key.
3 Remove the lens assembly completely.
4 The assembly may be disassembled using a pair of pliers
to remove the retainer ring.
5 The lens may be cleaned or the complete assembly must
be exchanged.
Retainer ring
Lens
Lens holder
Lens support
Washer
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